CN113681228A - Automatic chuck device for pipes - Google Patents

Automatic chuck device for pipes Download PDF

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Publication number
CN113681228A
CN113681228A CN202111237147.9A CN202111237147A CN113681228A CN 113681228 A CN113681228 A CN 113681228A CN 202111237147 A CN202111237147 A CN 202111237147A CN 113681228 A CN113681228 A CN 113681228A
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CN
China
Prior art keywords
groove
block
piston
push rod
hydraulic
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Granted
Application number
CN202111237147.9A
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Chinese (zh)
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CN113681228B (en
Inventor
高立桥
高立军
张允喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Mingde Bearing Co ltd
Original Assignee
Xuzhou Mingde Bearing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202111237147.9A priority Critical patent/CN113681228B/en
Publication of CN113681228A publication Critical patent/CN113681228A/en
Application granted granted Critical
Publication of CN113681228B publication Critical patent/CN113681228B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses an automatic pipe clamping disc device which comprises a fixed disc, wherein a central groove and a radial groove are formed in the center of the fixed disc, the radial groove is formed in the radial direction of the fixed disc, the radial groove is communicated with the central groove, and a first hydraulic cavity is formed in the fixed disc; the clamping assembly comprises a bottom block, an outer clamping piece and an inner clamping piece, the bottom block is embedded in the radial groove, a sliding groove is formed in the bottom block, a first push rod is arranged on the outer side of one end of the bottom block, a first piston is arranged at the end of the first push rod, and the first piston is arranged in the first hydraulic cavity; the device can clamp the inner side and the outer side of the pipe so as to balance the stress of the pipe, and the outer clamping piece and the inner clamping piece clamp the pipe simultaneously after the outer clamping piece contacts the pipe.

Description

Automatic chuck device for pipes
Technical Field
The invention relates to the technical field of pipe chucks, in particular to an automatic pipe chuck device.
Background
The laser cutting device utilizes high-power-density laser beams to irradiate cut materials, so that the materials are heated to a gasification temperature and are evaporated to form cavities, and the cavities continuously form narrow slits along with the movement of the light beams to the materials to finish the cutting of the materials.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the existing clamping device is easy to cause the deformation of the pipe.
In order to solve the technical problems, the invention provides the following technical scheme: an automatic pipe clamping disc device comprises a fixed disc, wherein a central groove and a radial groove are formed in the center of the fixed disc, the radial groove is formed in the radial direction of the fixed disc, the radial groove is communicated with the central groove, and a first hydraulic cavity is formed in the fixed disc;
the clamping assembly comprises a bottom block, an outer clamping piece and an inner clamping piece, the bottom block is embedded in the radial groove, a sliding groove is formed in the bottom block, a first push rod is arranged on the outer side of one end of the bottom block, a first piston is arranged at the end of the first push rod, and the first piston is arranged in the first hydraulic cavity;
the outer clamping piece comprises a first clamping block, a second push rod and a second piston, a through groove penetrates through the first push rod, the second push rod is arranged in the through groove, the second piston is arranged in the first hydraulic cavity, an embedding block is arranged on the first piston, and an embedding hole is formed in the second piston.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the first hydraulic cavity is communicated with the radial groove through a first through groove, and the first push rod is arranged in the first through groove in a penetrating mode.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: and a second hydraulic cavity is further arranged in the bottom block, and the second hydraulic cavity is communicated with the sliding groove through a second through groove.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the inner clamping piece comprises a second clamping block, a third push rod and a third piston, the second clamping block is arranged in the sliding groove, the third push rod penetrates through the second through groove, and the third piston is arranged in the second hydraulic cavity.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the bottom block is provided with a channel, the channel is communicated with the first hydraulic cavity through a first opening, and the first opening is arranged on the side face of the first piston.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the channel is communicated with the second hydraulic cavity through a second opening, and the second opening is arranged at one end, far away from the second through groove, of the second hydraulic cavity.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the bottom block is provided with a vertical plate, the side face of the vertical plate is provided with a pressure groove, the first through groove is communicated with the pressure groove, and the second clamping block is embedded in the pressure groove.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the driving part is arranged in the radial groove and comprises a fixed block and a hydraulic pump, the first hydraulic cavity is arranged in the fixed block, and the hydraulic pump is communicated with the first hydraulic cavity.
As a preferable scheme of the automatic pipe chucking device of the present invention, wherein: the side of the sliding groove is provided with a side groove, the side of the bottom block is provided with a side block, and the side block is embedded in the side groove.
The invention has the beneficial effects that: the device can clamp the inner side and the outer side of the pipe so as to balance the stress of the pipe, and the outer clamping piece and the inner clamping piece clamp the pipe simultaneously after the outer clamping piece contacts the pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic overall structural diagram of an automatic pipe chucking apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first hydraulic chamber in the automatic pipe chuck device according to an embodiment of the present invention.
Fig. 3 is a schematic partial sectional view of an automatic pipe chucking apparatus according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3 of the automatic pipe chuck device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a bottom block in the automatic pipe chuck device according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an outer clamp and an inner clamp in the automatic pipe chucking apparatus according to an embodiment of the present invention.
Wherein: the hydraulic clamping device comprises a fixed disc 100, a central groove 101, a radial groove 102, a first hydraulic cavity 103, a clamping assembly 200, a bottom block 201, an outer clamping piece 202, an inner clamping piece 203, a sliding groove 204, a first push rod 201a, a first piston 201b, a first clamping block 202a, a second push rod 202b, a second piston 202c, a penetrating groove 201e, an embedded block 201b-1, an embedded hole 202c-1, a first through groove 103a, a second hydraulic cavity 201c, a second through groove 201d, a second clamping block 203a, a third push rod 203b, a third piston 203c, a channel 201f, a first opening 201f-1, a second opening 201f-2, a vertical plate 201g, a pressure groove 201h, a driving piece 104, a fixed block 104a, a hydraulic pump 104b, a side groove 204a and a side block 201 j.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
Referring to fig. 1, the present embodiment provides an automatic pipe clamping device, which can simultaneously clamp the inner and outer walls of a pipe to prevent deformation of the pipe caused by uneven internal and external forces at the clamping position, and specifically, the device includes a fixed disk 100 and clamping assemblies 200, wherein the fixed disk 100 is not provided with a bearing member, and the clamping assemblies 200 are arranged on the fixed disk 100, it should be noted that the clamping assemblies 200 are uniformly distributed on the fixed disk 100 to uniformly clamp the pipe, and preferably, four clamping assemblies 200 are provided.
Further, a central groove 101 and a radial groove 102 arranged along the radial direction of the fixed disc 100 are arranged at the center of the fixed disc 100, the radial groove 102 is communicated with the central groove 101, and a first hydraulic chamber 103 is arranged on the fixed disc 100; the clamping assembly 200 comprises a bottom block 201, an outer clamping piece 202 and an inner clamping piece 203, the bottom block 201 is embedded in the radial groove 102, a sliding groove 204 is formed in the bottom block 201, a first push rod 201a is arranged on the outer side of one end of the bottom block 201, a first piston 201b is arranged at the end of the first push rod 201a, and the first piston 201b is arranged in the first hydraulic cavity 103; the outer clamping piece 202 comprises a first clamping block 202a, a second push rod 202b and a second piston 202c, a through groove 201e is formed in the first push rod 201a in a penetrating mode, the second push rod 202b is arranged in the through groove 201e, the second piston 202c is arranged in the first hydraulic cavity 103, an embedded block 201b-1 is arranged on the first piston 201b, and an embedded hole 202c-1 is formed in the second piston 202 c.
It should be noted that the radial groove 102 is provided with a driving member 104, the driving member 104 includes a fixed block 104a and a hydraulic pump 104b, the first hydraulic chamber 104c is provided in the fixed block 104a, the hydraulic pump 104b is communicated with the first hydraulic chamber 104c, and the hydraulic pump 104b is communicated with the first hydraulic chamber 103 through an oil inlet.
It should be noted that the drive member 103 is disposed in the radial slot 102 near the edge of the stationary disk 100.
The bottom block 201 is provided with a vertical plate 201g, the side surface of the vertical plate 201g is provided with a pressure groove 201h, the first through groove 103a is communicated with the pressure groove 201h, and the second clamping block 203a is embedded in the pressure groove 201 h.
It should be noted that, the thickness of the second clamping block 203a is greater than the depth of the pressing groove 201h, and preferably, the first push rod 201a is disposed on the side of the vertical plate 201 g.
It should be noted that four radial grooves 102 are uniformly distributed on one side of the fixed disk 100, the first piston 201b and the second piston 202c can only move along the length direction of the first hydraulic chamber 103, that is, move along the left-right direction in fig. 3, so as to adjust the distance between the vertical plate 201g and the first clamping block 202a from the center of the fixed disk 100, further, the second piston 202c is disposed between the first piston 201b and the oil inlet, referring to fig. 1, in an initial state, the insert block 201b-1 is embedded in the insert hole 202c-1, the thickness of the insert block 201b-1 is smaller than the depth of the insert hole 202c-1, that is, when the insert block 201b-1 is embedded in the insert hole 202c-1, a part of space is still left in the insert hole 202 c-1.
At this time, the second piston 202c is in contact with the side wall of the first hydraulic cavity 103, most of the oil inlet is blocked by the second piston 202c, and a small part of the area is communicated with the embedding hole 202c-1, at this time, the distance between the first clamping block 202a and the second clamping block 203a is the farthest distance, and at this time, a certain distance is reserved between the first clamping block 202a and the vertical plate 201 g.
Referring to fig. 1 and 3, a pipe is placed between a first clamping block 202a and a vertical plate 201g, oil is injected into a first hydraulic cavity 103 by synchronously driving each hydraulic pump 104b, hydraulic oil firstly pushes a second piston 202c away, the second piston 202c drives a first piston 201b and the clamping assembly 200 to integrally move towards the left side of fig. 3, when the first clamping block 202a contacts the outer wall of the pipe, the hydraulic oil cannot further move, the pressure of the hydraulic oil on an embedded block 201b-1 in an embedded hole 202c-1 is increased, the embedded block 201b-1 is further pushed out of the embedded hole 202c-1, the first clamping block 202a is embedded into a pressing groove 201h, and at the moment, the distance between the second piston 202c and the first piston 201b is pulled.
Then, after the inner clamping piece 203 is driven by the hydraulic oil to contact the inner wall of the pipe, the first clamping block 202a and the inner clamping piece 203 clamp the inner wall and the outer wall of the pipe simultaneously, so that the deformation of the pipe is avoided.
Referring to fig. 2 and 5, the side surface of the sliding groove 204 is provided with a side groove 204a, the side surface of the bottom block 201 is provided with a side block 201j, and the side block 201j is embedded in the side groove 204 a.
Example 2
The difference between this embodiment and the previous embodiment is that this embodiment provides a driving scheme for the inner clamp 203, specifically, the first hydraulic chamber 103 communicates with the radial groove 102 through the first through groove 103a, and the first push rod 201a is penetratingly disposed in the first through groove 103 a.
Referring to fig. 5 and 6, a second hydraulic cavity 201c is further disposed in the bottom block 201, the second hydraulic cavity 201c is communicated with the chute 204 through a second through slot 201d, the inner clamp 203 includes a second clamp block 203a, a third push rod 203b and a third piston 203c, the second clamp block 203a is disposed in the chute 204, the third push rod 203b is disposed in the second through slot 201d in a penetrating manner, and the third piston 203c is disposed in the second hydraulic cavity 201 c.
A channel 201f is arranged in the bottom block 201, the channel 201f is communicated with the first hydraulic cavity 103 through a first opening 201f-1, and the first opening 201f-1 is arranged on the side surface of the first piston 201 b; the channel 201f is communicated with the second hydraulic chamber 201c through a second opening 201f-2, and the second opening 201f-2 is disposed at one end of the second hydraulic chamber 201c far from the second through groove 201 d.
Referring to fig. 3 and 4, when the first clamping block 202a contacts the outer wall of the pipe and is embedded in the pressing groove 201h, the distance between the second piston 202c and the first piston 201b is increased, hydraulic oil can enter the channel 201f from the first opening 201f-1 and can be injected into the second hydraulic cavity 201c from the second opening 201f-2, and then the third piston 203c is pushed to move, so that the second clamping block 203a moves towards the first clamping block 202a, and the distance between the first clamping block and the second clamping block is shortened.
When the second clamping block 203a moves to contact with the inner wall of the pipe, the first hydraulic cavity 103 and the second hydraulic cavity 201c jointly form a closed space, and oil is injected again to increase the clamping force of the second clamping block 203a and the first clamping block 202a on the pipe at the same time, so that the stress is uniform and the clamping is stable.
When the hydraulic pump 104b is driven to pump oil during disassembly, firstly, the hydraulic oil in the second hydraulic chamber 201c is pumped out, the third piston 203c is returned, and secondly, the second piston 202c and the first piston 201b are returned in sequence.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (9)

1. A kind of tubular product automatic chuck device, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the hydraulic pressure regulating device comprises a fixed disc (100), wherein a central groove (101) and a radial groove (102) which is radially arranged along the fixed disc (100) are formed in the center of the fixed disc (100), the radial groove (102) is communicated with the central groove (101), and a first hydraulic pressure cavity (103) is formed in the fixed disc (100);
the clamping assembly (200) comprises a bottom block (201), an outer clamping piece (202) and an inner clamping piece (203), the bottom block (201) is embedded in the radial groove (102), a sliding groove (204) is formed in the bottom block (201), a first push rod (201 a) is arranged on the outer side of one end of the bottom block (201), a first piston (201 b) is arranged at the end of the first push rod (201 a), and the first piston (201 b) is arranged in the first hydraulic cavity (103);
the outer clamping piece (202) comprises a first clamping block (202 a), a second push rod (202 b) and a second piston (202 c), a through groove (201 e) penetrates through the first push rod (201 a), the second push rod (202 b) is arranged in the through groove (201 e), the second piston (202 c) is arranged in the first hydraulic cavity (103), an embedded block (201 b-1) is arranged on the first piston (201 b), and an embedded hole (202 c-1) is arranged on the second piston (202 c).
2. The automatic pipe chucking device according to claim 1, characterized in that: the first hydraulic cavity (103) is communicated with the radial groove (102) through a first through groove (103 a), and the first push rod (201 a) is arranged in the first through groove (103 a) in a penetrating mode.
3. The automatic pipe chucking device according to claim 2, characterized in that: still be provided with second hydraulic pressure chamber (201 c) in bottom piece (201), second hydraulic pressure chamber (201 c) with spout (204) are through second logical groove (201 d) intercommunication.
4. The automatic pipe chucking device according to claim 3, characterized in that: the inner clamping piece (203) comprises a second clamping block (203 a), a third push rod (203 b) and a third piston (203 c), the second clamping block (203 a) is arranged in the sliding groove (204), the third push rod (203 b) is arranged in the second through groove (201 d) in a penetrating mode, and the third piston (203 c) is arranged in the second hydraulic cavity (201 c).
5. The automatic pipe chucking device according to claim 4, characterized in that: a channel (201 f) is arranged in the bottom block (201), the channel (201 f) is communicated with the first hydraulic cavity (103) through a first opening (201 f-1), and the first opening (201 f-1) is arranged on the side surface of the first piston (201 b).
6. The automatic pipe chucking device as claimed in claim 5, characterized in that: the channel (201 f) is communicated with the second hydraulic cavity (201 c) through a second opening (201 f-2), and the second opening (201 f-2) is arranged at one end, far away from the second through groove (201 d), in the second hydraulic cavity (201 c).
7. The automatic pipe chucking device of claim 6, wherein: the bottom block (201) is provided with a vertical plate (201 g), the side face of the vertical plate (201 g) is provided with a pressing groove (201 h), the first through groove (103 a) is communicated with the pressing groove (201 h), and the second clamping block (203 a) is embedded in the pressing groove (201 h).
8. The automatic pipe chucking device as claimed in claim 7, characterized in that: a driving part (104) is arranged in the radial groove (102), the driving part (104) comprises a fixed block (104 a) and a hydraulic pump (104 b), the first hydraulic cavity (104 c) is arranged in the fixed block (104 a), and the hydraulic pump (104 b) is communicated with the first hydraulic cavity (104 c).
9. The automatic pipe chucking device of claim 8, wherein: the side surface of the sliding groove (204) is provided with a side groove (204 a), the side surface of the bottom block (201) is provided with a side block (201 j), and the side block (201 j) is embedded in the side groove (204 a).
CN202111237147.9A 2021-10-25 2021-10-25 Automatic chuck device for pipes Active CN113681228B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111237147.9A CN113681228B (en) 2021-10-25 2021-10-25 Automatic chuck device for pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111237147.9A CN113681228B (en) 2021-10-25 2021-10-25 Automatic chuck device for pipes

Publications (2)

Publication Number Publication Date
CN113681228A true CN113681228A (en) 2021-11-23
CN113681228B CN113681228B (en) 2022-05-17

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CN202111237147.9A Active CN113681228B (en) 2021-10-25 2021-10-25 Automatic chuck device for pipes

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116690022A (en) * 2023-08-08 2023-09-05 佛山市顺德区杰峰工业自动化有限公司 Welding equipment for production of water heater liner and operation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204934659U (en) * 2015-09-23 2016-01-06 山东豪迈机械科技股份有限公司 A kind of compound claw and chuck
CN107138999A (en) * 2017-06-28 2017-09-08 十堰市神针工贸有限公司 A kind of machine spindle class pipe fitting automatic fixture fixture
CN207840185U (en) * 2017-11-21 2018-09-11 重庆交通职业学院 A kind of thin-wall pipe clamp for machining
CN110102919A (en) * 2019-05-31 2019-08-09 中原工学院 A kind of novel pneumatic chuck
CN210937202U (en) * 2019-09-24 2020-07-07 重庆萨博途斯机器人工具有限公司 Pneumatic clamp
CN213888903U (en) * 2020-09-30 2021-08-06 武汉元新科技有限公司 Chuck clamp for laser pipe cutting machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204934659U (en) * 2015-09-23 2016-01-06 山东豪迈机械科技股份有限公司 A kind of compound claw and chuck
CN107138999A (en) * 2017-06-28 2017-09-08 十堰市神针工贸有限公司 A kind of machine spindle class pipe fitting automatic fixture fixture
CN207840185U (en) * 2017-11-21 2018-09-11 重庆交通职业学院 A kind of thin-wall pipe clamp for machining
CN110102919A (en) * 2019-05-31 2019-08-09 中原工学院 A kind of novel pneumatic chuck
CN210937202U (en) * 2019-09-24 2020-07-07 重庆萨博途斯机器人工具有限公司 Pneumatic clamp
CN213888903U (en) * 2020-09-30 2021-08-06 武汉元新科技有限公司 Chuck clamp for laser pipe cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116690022A (en) * 2023-08-08 2023-09-05 佛山市顺德区杰峰工业自动化有限公司 Welding equipment for production of water heater liner and operation method thereof
CN116690022B (en) * 2023-08-08 2023-09-29 佛山市顺德区杰峰工业自动化有限公司 Welding equipment for production of water heater liner and operation method thereof

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