WO2020186940A1 - 夹钳和锯切装置 - Google Patents

夹钳和锯切装置 Download PDF

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Publication number
WO2020186940A1
WO2020186940A1 PCT/CN2020/074989 CN2020074989W WO2020186940A1 WO 2020186940 A1 WO2020186940 A1 WO 2020186940A1 CN 2020074989 W CN2020074989 W CN 2020074989W WO 2020186940 A1 WO2020186940 A1 WO 2020186940A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamp
clamps
clamping
half body
connecting rod
Prior art date
Application number
PCT/CN2020/074989
Other languages
English (en)
French (fr)
Inventor
高国武
Original Assignee
大连富地重工机械制造有限公司
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.)
Filing date
Publication date
Application filed by 大连富地重工机械制造有限公司 filed Critical 大连富地重工机械制造有限公司
Priority to EP20774512.6A priority Critical patent/EP3928930B1/en
Publication of WO2020186940A1 publication Critical patent/WO2020186940A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive
    • B25B5/064—Arrangements for positively actuating jaws with fluid drive with clamping means pivoting around an axis perpendicular to the pressing direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/10—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a plurality of circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/18—Machines with circular saw blades for sawing stock while the latter is travelling otherwise than in the direction of the cut
    • B23D45/20—Flying sawing machines, the saw carrier of which is reciprocated in a guide and moves with the travelling stock during sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/14—Clamps for work of special profile
    • B25B5/147—Clamps for work of special profile for pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes

Definitions

  • the invention belongs to the technical field of pipe sawing, and particularly relates to a clamp and a sawing device.
  • the existing sawing system no longer uses a single mode of single saw blade cutting operation, but adopts a high-efficiency production mode of multiple saw blade alternate cutting operations.
  • the mode is that one sawing machine and the pipe move and cut at the same speed, while the other sawing machine returns to the starting point and waits.
  • the two sawing machines alternately perform Cutting.
  • the pipe is unstable and easy to shake during the cutting process, which affects the cutting quality. Therefore, it is necessary to equip the sawing machine with clamps to maintain the stability of the cutting process.
  • the existing clamps used in the sawing system usually have one clamp arm fixed and the other clamp arm rotating, and the clamp opening is small. , During the alternate cutting process, the two clamps are prone to collision in the staggered position, and damage to the clamps will cause system failure.
  • the embodiment of the present invention provides a clamp and a sawing device, which can increase the opening angle of the clamp, thereby avoiding collision of the clamp at the staggered position.
  • the present invention provides a clamp including: a base; a clamp body connected to the base, the clamp body including a first clamp half body and a second clamp half body, the first clamp half body and the second clamp body
  • the two clamp halves are both rotatably connected to the base, and the first clamp half and the second clamp half cooperate with each other for clamping materials;
  • the driving component is connected to the first clamping half body and the second clamping half body through the connecting member, and the first clamping half body and the second clamping half body are driven by the connecting member to move closer or apart from each other.
  • the connecting member includes a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected to the first clamp half, and one end of the second connecting rod is rotatably connected to the second clamp half.
  • the driving assembly includes a driving part and a pushing part, the other end of the first connecting rod and the other end of the second connecting rod are both rotatably connected to the pushing part, and the driving part can drive the pushing part to reciprocate along an axial direction perpendicular to the material to The first connecting rod and the second connecting rod drive the first clamp half body and the second clamp half body to move closer to or separate from each other.
  • the pushing part includes a first push rod, one end of the first push rod is connected to the driving part; the first connecting rod and the second connecting rod are both rotatably connected to the other end of the first push rod.
  • the pushing part includes a second push rod and a U-shaped frame.
  • the U-shaped frame has a bottom side and two sides respectively connected to the bottom side.
  • One end of the second push rod is connected to the driving part and the other end is connected At the bottom of the U-shaped frame; the other end of the first connecting rod is rotatably connected to one side of the U-shaped frame, and the other end of the second connecting rod is rotatably connected to the other side of the U-shaped frame.
  • the first clamping half body and the second clamping half body are symmetrically arranged, and the second push rod is arranged along the symmetry axis of the first clamping half body and the second clamping half body, and is vertically connected to At the midpoint of the bottom edge, the distance between the two sides is greater than the width of the clamp in the closed state.
  • it further comprises a sliding rail, the sliding rail is arranged on the base along a direction parallel to the symmetry axis, a sliding block is arranged on the U-shaped frame, and the sliding block is sleeved on the sliding rail and can slide along the sliding rail.
  • the first half body of the clamp and the second half body of the clamp are both rotatably connected to the base through the first pin; or the first half of the clamp is rotatably connected to the base through the second pin, and the second The clamp half body is rotatably connected to the base through a third pin shaft, and the second pin shaft and the third pin shaft are symmetrically arranged with respect to the symmetry axis of the first clamp half body and the second clamp half body.
  • the first clamping half body and the second clamping half body both include a clamping arm and a clamping piece with a clamping opening, the clamping piece and the clamping arm are detachably connected, and the clamping piece is used for clamping materials.
  • the clamp arm includes a first connecting section and a second connecting section, the first connecting section and the second connecting section are connected at a predetermined angle, the first connecting section is rotatably connected to the base, and the clip is arranged on the second Connect the segment.
  • the drive assembly has a first drive speed and a second drive speed, the first drive speed is greater than the second drive speed, and the drive assembly can drive the first clamp half and the The two clamping halves approach each other to a preset distance from the opened state, and then the first clamping half and the second clamping half are driven to close by the second driving speed through the connecting member.
  • the embodiment of the present invention provides a sawing device, including: a clamp assembly, including two or more clamps distributed independently of each other, the two or more clamps can be distributed on the peripheral side of the material, and The peripheral sides are staggered with each other, each clamp can clamp the material, and each clamp can be reciprocated along an axis parallel to the material.
  • a clamp assembly including two or more clamps distributed independently of each other, the two or more clamps can be distributed on the peripheral side of the material, and The peripheral sides are staggered with each other, each clamp can clamp the material, and each clamp can be reciprocated along an axis parallel to the material.
  • the pliers are in an open state at the staggered position to avoid the pliers holding the material.
  • Each pliers is any one of the above pliers; the sawing component is used to cut the material.
  • the sawing component includes mutually independent Two or more sawing machines, the sawing machine and the tongs are matched, and the matched tongs and the sawing machine can move
  • it further includes: a plurality of rails that can be arranged on the peripheral side of the material in a direction parallel to the axial direction; a plurality of moving assemblies that can be arranged on different tracks, and the plurality of moving assemblies can reciprocate along the tracks
  • a plurality of rails that can be arranged on the peripheral side of the material in a direction parallel to the axial direction
  • a plurality of moving assemblies that can be arranged on different tracks, and the plurality of moving assemblies can reciprocate along the tracks
  • the first clamp half body and the second clamp half body are both rotatably connected to the base, and the driving assembly is connected to the first clamp half body and the second clamp half body through the connecting member, and passes
  • the connecting piece drives the first clamp half body and the second clamp half body to rotate on the base to move closer to or separate from each other.
  • the two clamp halves rotate at the same time, which can increase the opening angle of the clamp.
  • the clamp body in the closed state passes through, and the clamp has a simple structure, which is convenient for disassembly, assembly and maintenance.
  • Figure 1 is a schematic structural diagram of a first clamp provided by an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a second clamp provided by an embodiment of the present invention in an opened state
  • Figure 3 is a schematic structural diagram of a second clamp provided by an embodiment of the present invention in a closed state
  • FIG. 4 is a schematic structural diagram of a third type of clamp provided by an embodiment of the present invention.
  • Figure 5 is a schematic structural diagram of a fourth type of clamp provided by an embodiment of the present invention.
  • Figure 6 is a schematic structural diagram of a sawing device provided by an embodiment of the present invention.
  • Fig. 7 is a schematic structural diagram of two clamps in staggered positions provided by an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of a first clamp provided by an embodiment of the present invention.
  • the clamp 10 includes a base 11, a clamp body, and a driving member.
  • the clamp body is connected to the base 11, and the clamp body includes a first clamp half 121 and a second clamp half 122.
  • the first clamp half 121 and the second clamp half 122 are both rotatably connected to the base 11,
  • the clamp body is rotated on the base 11 through the first clamp half 121 and the second clamp half 122 to cooperate with each other to clamp the material 20.
  • the first clamp half 121 and the second clamp half 122 may be the same or different, as long as they can rotate and cooperate to clamp the material 20.
  • the first clamp The half body 121 is the same as the second clamp half body 122 and is arranged symmetrically.
  • the driving assembly 13 is used to provide rotational driving force for the clamp body.
  • the driving assembly 13 is connected to the first clamping half 121, that is, the second clamping half 122 through a connecting piece, and the driving assembly 13 is driven by the first connecting piece.
  • the first clamping half 121 and the second clamping half 122 move closer to or separate from each other in the Z direction as shown in the figure to realize clamping and releasing the material 20.
  • the first clamping half body 121 and the second clamping half body 122 are both rotatably connected to the base 11, and the driving assembly 13 is connected to the first clamping half body 121 and the second clamping half body through a connecting member.
  • the connecting member drives the first clamp half 121 and the second clamp half 122 to rotate on the base 11 to move closer to or separate from each other.
  • the two clamp halves rotate at the same time, which can increase the size of the clamp 10
  • the opening angle can allow the clamp body in the closed state to pass through, and the clamp 10 has a simple structure, which is convenient for disassembly, assembly and maintenance.
  • the connecting member includes a first connecting rod 141 and a second connecting rod 142, wherein one end of the first connecting rod 141 is rotatably connected to the first clamp half 121, and the second connecting rod 142 One end is rotatably connected to the second clamp half 122, and the other ends of the first connecting rod 141 and the second connecting rod 142 are connected to the driving assembly 13, and the driving assembly 13 is driven by the first connecting rod 141 and the second connecting rod 142
  • the first clamp half 121 and the second clamp half 122 are close to or separated from each other.
  • the driving assembly 13 includes a driving part and a pushing part. The driving part is used to provide driving force for the pushing part.
  • first connecting rod 141 and the second connecting rod 142 are both rotatably connected to the pushing part, so that the driving part can Drive the pushing part to reciprocate in an axial direction perpendicular to the material 20, that is, the driving part can drive the pushing part to reciprocate in the Y direction as shown, so that the first connecting rod 141 and the second connecting rod 142 drive the first clamp half 121
  • the second clamping half body 122 and the second clamping half body 122 are moved closer to or separated from each other on the base 11. It can be understood that the first clamping half 121 and the second clamping half 122 are generally the same, and the first connecting rod 141 and the second connecting rod 142 are also the same. It is also possible to design the first connecting rod 141 and the second connecting rod 142 to be different according to actual force requirements.
  • the driving assembly can be implemented in a variety of ways, for example, it can be a structure of a motor, a chain and gear, or it can have other driving functions, such as a cylinder, an electric cylinder, a hydraulic cylinder, and other structures.
  • the pushing part includes a first push rod 131, and one end of the first push rod 131 is connected to the driving part, so that the first push rod 131 is in the driving part. Drive back and forth along the Y direction.
  • the first connecting rod 141 and the second connecting rod 142 are both rotatably connected to the other end of the first push rod 131.
  • the first push rod 131 moves forward, that is, as shown in the positive direction of Y, the first clamp half 121 and the second clamp half 122 close together, and the clamp body is closed.
  • the push rod 131 moves backward, that is, moves in the negative direction of Y as shown, the first clamp half 121 and the second clamp half 122 separate, and the clamp body opens.
  • a push rod is driven by the driving part to drive the first connecting rod 141 and the second connecting rod 142 to move, so as to drive the first clamp half 121 and the second clamp half 122 to move closer to each other or Separately, the structure is relatively simple.
  • the driving assembly 13 is at least one of a cylinder, an electric cylinder, and a hydraulic cylinder
  • the other ends of the first connecting rod 141 and the second connecting rod 142 can be connected to the piston rod, which is equivalent to the above First putter 131.
  • Figure 2 is a schematic structural diagram of the second clamp in an open state provided by an embodiment of the present invention
  • Figure 3 is an embodiment of the present invention Provides a schematic diagram of the closed structure of the second clamp.
  • the pushing part includes a second push rod 132 and a U-shaped frame 133.
  • the U-shaped frame 133 has a bottom side and two sides connected to the bottom plate respectively.
  • One end of the second push rod 132 is connected to the driving part, and the other end is connected to the bottom edge of the U-shaped frame 133.
  • the other end of the first connecting rod 141 and the other end of the second connecting rod 142 are respectively rotatably connected to two sides of the U-shaped frame 133.
  • the first connecting rod 141 and the second connecting rod 142 are respectively connected to the two sides of the U-shaped frame 133 to drive the two clamp halves to move closer or apart, which can save thrust or tension.
  • the first clamping half body 121 and the second clamping half body 122 are identical and symmetrically arranged, and the second push rod 132 is arranged along the symmetry axis of the two clamping halves, as shown in FIG.
  • the dashed line of the shaft is arranged perpendicular to the bottom edge of the U-shaped frame 133 and connected to the midpoint of the bottom edge, so as to ensure that the two clamp halves are balanced in force while moving closer or apart.
  • the distance between the two sides of the U-shaped frame 133 is greater than the width of the clamp 10 in the closed state, that is, the width in the Z direction. As shown in FIG. 3, when the clamp 10 is closed, part of it is located on the two sides of the U-shaped frame 133. Between the two sides, it can be more conducive to saving thrust or pulling force.
  • the clamp 10 further includes a sliding rail 15, which is arranged on the base 11 along a direction parallel to the axis of symmetry, and a slider 1331 is arranged on the U-shaped frame 133,
  • the slider 1331 is sleeved on the slide rail 15 and can drive the U-shaped frame 133 to slide along the slide rail 15.
  • the number of corresponding slide rails 15 is not limited in this application. In order to balance the force, the same number of slide rails 15 can be provided on both sides of the symmetry axis. For example, one slide rail 15 is provided on both sides of the symmetry axis. Yes, the number of sliders 1331 matches the number of slide rails 15.
  • the first clamping half 121 and the second clamping half 122 each include a clamping arm 1211 and a clamping piece 1222 with a clamping opening.
  • the first connecting rod 141 and the second connecting rod 142 are respectively rotatably connected with the two clamping arms 1211 to drive the clamping piece 1222 to clamp or loosen the material 20.
  • the shape of the jaws of the clip 1222 matches the shape of the clamped part of the material 20.
  • the clamp 10 can be equipped with multiple clips 1222 with different shaped jaws.
  • the clip 1222 and the clip arm 1211 are detachably connected, so as to adapt to a variety of materials 20.
  • the application does not limit the specific detachable connection structure.
  • the clip 1222 can be connected to the clip arm 1211 by screws.
  • the clamp arm 1211 includes a first connecting section and a second connecting section, the first connecting section and the second connecting section are connected at a predetermined angle, wherein the first connecting section is rotatably connected to the base 11, and the clip 1222 is connected to the first connecting section.
  • Two connection section The application does not limit the connection angle between the first connection section and the second connection section.
  • the connection angle between the first connection section and the second connection section may be 60° ⁇ 120°, preferably 90°, which is convenient for each clamp 10 Partial structure assembly.
  • the first connecting rod 141 and the second connecting rod 142 are respectively connected to the first connecting section of the two clamping arms 1211.
  • it can be connected to the corner where the first connecting section and the second connecting section are connected, so that the first connecting rod 141 and the second connecting rod 142 can drive both The two clamping arms 1211 rotate.
  • Figure 3 and Figure 5 When the structure shown in Figure 2, Figure 3 and Figure 5 is used, that is, when the pushing part includes the second push rod 132 and the U-shaped frame 133, and the width between the two sides of the U-shaped frame 133 is greater than two The width when the clamp half body is closed, the first connecting rod 141 and the second connecting rod 142 are respectively connected to the second connecting section of the clamp arm 1211.
  • the first connecting rod 141 and the second connecting rod 142 are connected to the second The side of the connecting section away from the base 11 can improve the rotation efficiency.
  • the first clamp half 121 and the second clamp half 122 are rotatably connected to the base 11 through the first pin 16, that is, The first clamping half 121 and the second clamping half 122 have the same rotation axis.
  • the first clamping half body 121 and the second clamping half body 122 are connected through a unified pin shaft, and the structure is simple and easy to assemble.
  • the first clamping half body 121 is rotatably connected to the base 11 through a second pin shaft 17, and the second clamping half body 122 is connected to the base 11 through a third pin shaft.
  • 18 is rotatably connected to the base 11.
  • the second pin 17 and the third pin 18 are symmetrically arranged with respect to the symmetry axis of the first clamp half 121 and the second clamp half 122.
  • the first clamping half 121 and the second clamping half 122 are fixed by different pins.
  • the driving assembly 13 has a first driving speed and a second driving speed.
  • the first driving speed is greater than the second driving speed.
  • the driving assembly 13 13 First, the first driving speed drives the first clamp half 121 and the second clamp half 122 to approach each other to a preset distance through the connecting member, which is set to be greater than the distance when the two are fully closed. Then the second driving speed drives the first clamping half 121 and the second clamping half 122 from the preset distance to the closed state through the connecting member.
  • the two clamp halves are driven to quickly move closer to each other to a preset distance at the first speed, saving working time, and then the two clamp halves are driven at the second speed from the preset distance to the clamped material 20 , Because the second speed is small, it can prevent the jaws from closing too fast to produce an impact on the material 20 and prevent damage to the material 20. It can be understood that when the clamp 10 is turned from the closed state to the open state, it can be driven only by the first driving speed to save time and improve efficiency.
  • a two-stage stroke cylinder may be used, that is, the cylinder may have two strokes, such as a large stroke and a small stroke. The large stroke corresponds to the first speed and the small stroke corresponds to the second speed.
  • the two-stage cylinder can be installed back-to-back with two cylinders, or a cylinder with two stages and different telescopic speeds.
  • the second embodiment of the present invention provides a sawing device.
  • the sawing device includes a clamp assembly and a sawing assembly.
  • the clamp assembly is used to clamp the material 20 and the sawing assembly is used To cut the material 20.
  • the clamp assembly includes two or more clamps 10 distributed independently of each other, and these clamps 10 are the clamps 10 of any of the foregoing embodiments.
  • Two or more clamps 10 are distributed on the peripheral side of the material 20, and are staggered from each other along the peripheral side of the material 20.
  • Each clamp 10 can reciprocate along an axial direction parallel to the material 20.
  • each clamp 10 clamps the material 20 and moves synchronously with the material 20, and the other clamps 10 are in an open state when they intersect with the clamps 10 holding the material 20 to avoid the clamps 10 holding the material 20.
  • the sawing assembly includes two or more sawing machines 30 independently distributed. Each sawing machine 30 is used in conjunction with the clamp 10, and the matching clamp 10 and the sawing machine 30 can be along an axial direction parallel to the material 20. (X direction) synchronous movement, when one of the clamps 10 clamps the material 20 and the feed speed of the material 20 is the same, the sawing machine 30 matched with the clamp 10 of the material 20 can cut the material 20.
  • the clamp assembly includes two clamps 10, the two clamps 10 can be distributed on two opposite sides in the circumferential direction of the material 20 to achieve a better avoidance effect; when the clamp assembly includes three When there are more than one gripper 10, since each gripper 10 is staggeredly distributed on the peripheral side of the material, the two grippers 10 at the staggered position are at a certain angle during the reciprocating movement. For example, when three grippers 10 are included , The three clamps 10 can be evenly distributed with the peripheral side of the material 20, and they are set at 60 degrees in pairs. Since the clamp 10 holding the material 20 is not in the middle position of the two clamp halves of the clamp 10 in the open state, in order to ensure the avoidance effect, the number of the clamps 10 should not be too large.
  • a plurality of clamps 10 and a sawing machine 30 are distributed on the peripheral side of the material 20, and during the reciprocating movement in the X direction as shown in the figure, the clamp assembly in FIGS. 6 and 7 includes two clamps 10 As an example, two clamps 10 are arranged oppositely in the circumferential direction of the material 20.
  • the first group of clamps 10 the first group of clamps 10
  • the sawing machine 30 start acceleration from the origin.
  • the first group of clamps 10 and sawing machine 30 have the same feed speed as the material 20, the clamps 10 of this group clamp the material 20, and the sawing machine 30 of the group of sawing machine 30 moves along the vertical direction.
  • the clamps 10 When cutting the material 20, the clamps 10 loosen the material 20 and decelerate to stop at the end position, and then return to the origin.
  • the second The set of matching clamps 10 and sawing machine 30 start to accelerate from the origin, and repeat the above process, but the two sets of clamps 10 are in the staggered position, the second set of clamps 10 are in the clamping state, and the first set of clamps 10 is in an open state, and the openings of the first set of clamps 10 in the open state can allow the second set of clamps 10 to pass through to achieve avoidance.
  • the avoidance process in the staggered position please refer to FIG. 7.
  • the clamp assembly includes more than three clamps 10, similar to the above process, when the first group of clamps 10 and the second group of clamps 10 perform the above process, the matching clamps 10 and saws of the remaining groups
  • the cutting machine 30 is also performing the above process. In the staggered position, one of the clamps 10 is in the clamping state, and the other is in the open state to achieve avoidance. It is understandable that the above process is controlled by a control system, which can control the opening and closing and movement of the clamp 10 and the cutting and movement of the sawing machine 30 to ensure that the length of the material 20 cut each time is consistent.
  • the clamp 10 is used for clamping and fixing during sawing, which improves the stability of sawing, and can realize the avoidance of the clamp 10, realize the continuous operation of the multiple sawing machines 30, and improve the production efficiency. .
  • the sawing device further includes a plurality of rails 40 and a plurality of moving components (not shown). These rails 40 can be arranged on the peripheral side of the material 20 along an axial direction parallel to the material 20, The moving components can be arranged on different tracks 40 and can move back and forth along the tracks 40.
  • the number of moving components matches the number of tongs 10, and the tongs 10 and the matching sawing machine 30 are installed on the same moving assembly, so as to realize the synchronous movement of the tongs 10 and the sawing machine 30.
  • the mobile component may specifically be a mobile trolley.

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  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

一种夹钳，夹钳包括底座（11）、夹钳本体和驱动组件，夹钳本体连接于底座（11），夹钳本体包括第一夹钳半体（121）和第二夹钳半体（122），第一夹钳半体（121）和第二夹钳半体（122）均转动连接于底座（11）；驱动组件通过连接件连接至第一夹钳半体（121）和第二夹钳半体（122），并通过连接件带动第一夹钳半体（121）和第二夹钳半体（122）转动相互靠拢或分离，第一夹钳半体（121）和第二夹钳半体（122）相互配合用于夹持物料（20）。一种锯切装置，包括多个这种夹钳和与之配套的锯切机，协作加工。两个夹钳半体同时转动，能够增大夹钳的开口角度，该开口角度可以使处于闭合状态的夹钳本体通过，并且该夹钳结构简单，便于拆装维修。

Description

夹钳和锯切装置 技术领域
本发明属于管材锯切技术领域，尤其涉及一种夹钳和锯切装置。
 背景技术
为了提高生产效率，现有的锯切系统中不再采用单锯片切割作业的单一模式，而采用高效率的多锯片交替切割工作的生产模式。
在具有双锯切机的锯切系统中，其模式为其中一个锯切机和管材同速移动并锯切，而另一个锯切机则回到起点等待，两个锯切机交替对管材进行切割。但是在切割过程中管材不稳定，容易晃动，影响切割质量。因此，需要为锯切机配套夹钳以保持切割过程的稳定性，然而，现有的用于锯切系统的夹钳，通常其中一个夹臂固定，另一个夹臂转动，夹钳开口较小，在交替切割过程中，两个夹钳在交错位置易发生碰撞，损坏夹钳产生系统故障。
因此，亟需一种可以避免在交错位置发生碰撞的夹钳。
 技术问题
本发明实施例提供一种夹钳和锯切装置，能够增大夹钳的开口角度，进而可以避免夹钳在交错位置发生碰撞。
 技术解决方案
一方面，本发明提供了一种夹钳，包括：底座；夹钳本体，连接于底座，夹钳本体包括第一夹钳半体和第二夹钳半体，第一夹钳半体与第二夹钳半体均转动连接于底座，第一夹钳半体与第二夹钳半体相互配合用于夹持物料；
驱动组件，通过连接件连接至第一夹钳半体及第二夹钳半体，并通过连接件带动第一夹钳半体与第二夹钳半体转动相互靠拢或分离。
根据本发明的一个方面，连接件包括第一连接杆和第二连接杆，第一连接杆的一端转动连接于第一夹钳半体，第二连接杆的一端转动连接于第二夹钳半体；驱动组件包括驱动部和推动部，第一连接杆的另一端与第二连接杆的另一端均转动连接于推动部，驱动部能够带动推动部沿垂直于物料的轴向往复运动，以使第一连接杆与第二连接杆带动第一夹钳半体与第二夹钳半体转动相互靠拢或分离。
根据本发明的一个方面，推动部包括第一推杆，第一推杆的一端连接于驱动部；第一连接杆与第二连接杆均转动连接于第一推杆的另一端。
根据本发明的一个方面，推动部包括第二推杆和U型架，U型架具有底边和分别与底边连接的两个侧边，第二推杆一端连接于驱动部，另一端连接于U型架的底边；第一连接杆的另一端转动连接于U型架的其中一个侧边，第二连接杆的另一端转动连接于U型架的另一个侧边。
根据本发明的一个方面，第一夹钳半体与第二夹钳半体对称设置，第二推杆沿第一夹钳半体与第二夹钳半体的对称轴设置，且垂直连接于底边的中点，两个侧边之间的距离大于夹钳处于闭合状态的宽度。
根据本发明的一个方面，进一步包括滑轨，滑轨沿平行于对称轴方向设置于底座上，U型架上设置有滑块，滑块套设于滑轨，能够沿滑轨滑动。
根据本发明的一个方面，第一夹钳半体与第二夹钳半体均通过第一销轴转动连接于底座；或第一夹钳半体通过第二销轴转动连接于底座，第二夹钳半体通过第三销轴转动连接于底座，第二销轴与第三销轴关于第一夹钳半体与第二夹钳半体的对称轴对称设置。
根据本发明的一个方面，第一夹钳半体与第二夹钳半体均包括夹臂和具有夹口的夹片，夹片与夹臂可拆卸连接，夹片用于夹持物料。
根据本发明的一个方面，夹臂包括第一连接段与第二连接段，第一连接段与第二连接段呈预设角度连接，第一连接段转动连接于底座，夹片设置于第二连接段。
根据本发明的一个方面，驱动组件具有第一驱动速度与第二驱动速度，第一驱动速度大于第二驱动速度，驱动组件能够由第一驱动速度通过连接件带动第一夹钳半体与第二夹钳半体从张开状态相互靠近至预设距离，再由第二驱动速度通过连接件带动第一夹钳半体与第二夹钳半体闭合。
另一方面，本发明实施例提供了一种锯切装置，包括：夹钳组件，包括相互独立分布的两个以上的夹钳，两个以上的夹钳能够分布于物料的周侧，且沿周侧彼此错开，各夹钳均能够夹持物料，且各夹钳沿平行于物料的轴可向往复移动设置，在各夹钳的往复移动过程中，其中一个夹钳夹持物料，其余夹钳在交错位置处于张开状态，以避让夹持物料的夹钳，其中，各夹钳均为上述任一项的夹钳；锯切组件，用于切割物料，锯切组件包括相互独立分布的两个以上的锯切机，锯切机与夹钳配套，且相互配套的夹钳与锯切机能够沿平行于轴向同步移动。
根据本发明的一方面，进一步包括：能够沿平行于轴向方向设置于物料的周侧的多个轨道；能够设置于不同的轨道上的多个移动组件，且多个移动组件沿轨道可往复移动设置，移动组件的个数与夹钳的个数相匹配，夹钳与配套的锯切机安装在同一个移动组件上。
 有益效果
本发明实施例的夹钳，第一夹钳半体和第二夹钳半体均转动连接于底座，驱动组件通过连接件连接至第一夹钳半体及第二夹钳半体，并通过该连接件带动第一夹钳半体和第二夹钳半体在底座转动以相互靠拢或分离，两个夹钳半体同时转动，能够增大夹钳的开口角度，该开口角度可以使处于闭合状态的夹钳本体通过，并且该夹钳结构简单，便于拆装维修。
 附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的第一种夹钳的结构示意图；
图2是本发明实施例提供的第二种夹钳的张开状态的结构示意图；
图3是本发明实施例提供的第二种夹钳的闭合状态的结构示意图；
图4是本发明实施例提供的第三种夹钳的结构示意图；
图5是本发明实施例提供的第四种夹钳的结构示意图；
图6是本发明实施例提供的一种锯切装置的结构示意图；
图7是本发明实施例提供的一种两个夹钳在交错位置的结构示意图。
 本发明的最佳实施方式
下面将详细描述本发明的各个方面的特征和示例性实施例。在下面的详细描述中，提出了许多具体细节，以便提供对本发明的全面理解。但是，对于本领域技术人员来说很明显的是，本发明可以在不需要这些具体细节中的一些细节的情况下实施。下面对实施例的描述仅仅是为了通过示出本发明的示例来提供对本发明的更好的理解。在附图和下面的描述中，至少部分的公知结构和技术没有被示出，以便避免对本发明造成不必要的模糊；并且，为了清晰，可能夸大了部分结构的尺寸。此外，下文中所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。
下述描述中出现的方位词均为图中示出的方向，并不是对本发明的实施例的具体结构进行限定。在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“安装”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本发明中的具体含义。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将结合附图对实施例进行详细描述。
为了更好的理解本发明，下面结合图1~图7对本发明的夹钳和锯切装置进行详细描述。
请参阅图1所示，图1是本发明实施例提供的第一种夹钳的结构示意图，该夹钳10包括底座11、夹钳本体和驱动件。夹钳本体连接于底座11，夹钳本体包括第一夹钳半体121和第二夹钳半体122，第一夹钳半体121和第二夹钳半体122均转动连接于底座11，夹钳本体通过第一夹钳半体121与第二夹钳半体122在底座11转动相互配合以夹持物料20。可以理解的是，第一夹钳半体121与第二夹钳半体122可以相同也可以不同，只要能转动配合以夹持物料20即可，但是，为了加工以及装配方便，第一夹钳半体121与第二夹钳半体122相同，且对称设置。驱动组件13用于为夹钳本体提供转动的驱动力，驱动组件13通过连接件连接至第一夹钳半体121即第二夹钳半体122，并且，驱动组件13通过第一连接件带动第一夹钳半体121与第二夹钳半体122沿图示Z方向相互靠拢或分离以实现夹持和松开物料20。
在本发明实施例中，第一夹钳半体121和第二夹钳半体122均转动连接于底座11，驱动组件13通过连接件连接至第一夹钳半体121及第二夹钳半体122，并通过该连接件带动第一夹钳半体121和第二夹钳半体122在底座11转动以相互靠拢或分离，两个夹钳半体同时转动，能够增大夹钳10的开口角度，该开口角度可以使处于闭合状态的夹钳本体通过，并且该夹钳10结构简单，便于拆装维修。
在一些可选的实施例中，连接件包括第一连接杆141和第二连接杆142，其中，第一连接杆141的一端转动连接于第一夹钳半体121，第二连接杆142的一端转动连接于第二夹钳半体122，而第一连接杆141和第二连接杆142的另一端连接至驱动组件13，则驱动组件13通过第一连接杆141和第二连接杆142带动第一夹钳半体121和第二夹钳半体122相互靠拢或分离。具体的，驱动组件13包括驱动部件和推动部件，驱动部件用于为推动部件提供驱动力，第一连接杆141与第二连接杆142的另一端均转动连接于推动部，这样，驱动部能够带动推动部沿垂直于物料20的轴向往复运动，也即驱动部能够带动推动部沿图示Y方向往复运动，实现第一连接杆141和第二连接杆142带动第一夹钳半体121和第二夹钳半体122在底座11转动相互靠拢或分离。可以理解的是，第一夹钳半体121与第二夹钳半体122通常相同，则第一连接杆141与第二连接杆142也相同。也可以根据实际受力需求，将第一连接杆141和第二连接杆142设计为不同。
驱动组件可以由多种实现方式，例如可以为电机、链条齿轮的结构，也可以为其他具有驱动功能例如气缸、电缸、液压缸配合其他结构等。在一种可选的实现方式中，请继续参阅图1所示，推动部包括第一推杆131，第一推杆131的一端连接于驱动部，以使第一推杆131在驱动部的驱动下沿Y方向往复运动。第一连接杆141与第二连接杆142均转动连接于第一推杆131的另一端。可以理解的是，当第一推杆131向前方移动也即图示Y的正向移动时，第一夹钳半体121和第二夹钳半体122靠拢，夹钳本体闭合，当第一推杆131向后方移动也即图示Y的负向移动时，第一夹钳半体121和第二夹钳半体122分离，夹钳本体张开。这样，通过一根推杆在驱动部的驱动作用下，带动第一连接杆141和第二连接杆142运动，以实现带动第一夹钳半体121与第二夹钳半体122相互靠拢或分离，该结构较为简单。尤其是在驱动组件13为气缸、电缸、液压缸中的至少一种时，可以将第一连接杆141与第二连接杆142的另一端连接在活塞杆上，该活塞杆即相当于上述第一推杆131。
在另一种可选的实现方式中，请参阅图2和图3所示，图2是本发明实施例提供的第二种夹钳的张开状态的结构示意图；图3是本发明实施例提供的第二种夹钳的闭合状态的结构示意图。推动部包括第二推杆132和U型架133，可以理解的是，U型架133具有底边和分别与底板连接的两个侧边。第二推杆132的一端连接于驱动部，另一端连接于该U型架133的底边。第一连接杆141的另一端和第二连接杆142的另一端分别转动连接于U型架133的两个侧边。通过U型架133的两个侧边分别连接第一连接杆141和第二连接杆142以带动两个夹钳半体相互靠拢或分离，可以节省推力或拉力。优选的，第一夹钳半体121和第二夹钳半体122相同且对称设置，第二推杆132沿两个夹钳半体的对称轴设置，如图2所示，沿平行于Y轴的虚线设置，且垂直于U型架133的底边，连接于底边的中点，这样能够保证两个夹钳半体受力平衡，同时相互靠拢或分离。并且，U型架133的两个侧边的距离大于夹钳10处于闭合状态的宽度，也即Z方向的宽度，如图3所示，夹钳10闭合时，部分位于U型架133的两个侧边之间，可以更加有利于节省推力或拉力。
在一些可选的实施例中，为了减小摩擦，夹钳10进一步包括滑轨15，滑轨15沿平行于对称轴的方向设置于底座11上，U型架133上设置有滑块1331，滑块1331套设于滑轨15，能够带动U型架133沿滑轨15滑动。对应滑轨15的数量本申请不做限制，为了受力平衡，可以在对称轴的两侧设置相同数量的滑轨15，例如在对称轴的两侧各设置一根滑轨15，可以理解的是，滑块1331的数量与滑轨15的数量相匹配。
在一些可选的实施例中，请参照图1~5所示，第一夹钳半体121和第二夹钳半体122均包括夹臂1211和和具有夹口的夹片1222，可以理解的是，第一连接杆141和第二连接杆142分别与两个夹臂1211转动连接，以带动夹片1222夹持或松开物料20。夹片1222的夹口的形状与物料20被夹持部位的形状匹配，为了便于对不同型号或形状的物料20进行夹持，夹钳10可以配备具有不同形状夹口的多个夹片1222，夹片1222与夹臂1211可拆卸连接，以便于适应多种物料20。对于具体的可拆卸连接结构本申请不做限制，例如可以通过螺钉将夹片1222与夹臂1211连接。
进一步的，夹臂1211包括第一连接段和第二连接段，第一连接段与第二连接段呈预设角度连接，其中，第一连接段转动连接至底座11，夹片1222连接至第二连接段。对于第一连接段与第二连接段的连接角度本申请不做限制，例如第一连接段和第二连接段的连接角度可以为60°~120°，优选90°，便于夹钳10的各部分结构的装配。
为了便于节省驱动力，当采用图1和图4所示的结构时，也即推动部包括第一推杆131时，如图1和图4所示，第一连接杆141与第二连接杆142分别连接至两个夹臂1211的第一连接段，优选的，可以连接至第一连接段与第二连接段连接的拐角处，以便于第一连接杆141与第二连接杆142带动两个夹臂1211转动。当采用图2、图3和图5所示的结构时，也即推动部包括第二推杆132和U型架133时，且U型架133的两个侧边之间的宽度大于两个夹钳半体闭合时的宽度，第一连接杆141与第二连接杆142分别连接至夹臂1211的第二连接段，优选的，第一连接杆141与第二连接杆142连接至第二连接段的远离底座11的一侧，可以提高转动效率。
在一些可选的实施例中，如图1、图2和图3所示，第一夹钳半体121与第二夹钳半体122通过第一销轴16转动连接于底座11，也即第一夹钳半体121与第二夹钳半体122具有相同的转动轴。该结构将第一夹钳半体121与第二夹钳半体122通过统一各销轴连接，结构简单，便于装配。在另一些可选的实施例中，如图4和图5所示，第一夹钳半体121通过第二销轴17转动连接于底座11，第二夹钳半体122通过第三销轴18转动连接于底座11，为了保持受力平衡，第二销轴17与第三销轴18关于第一夹钳半体121和第二夹钳半体122的对称轴对称设置。将第一夹钳半体121与第二夹钳半体122采用不同的销轴固定，在其中一个夹钳半体出现问题时，便于只对一个夹钳半体进行拆卸替换，节省维修时间。
在上述任一实施例中，驱动组件13具有第一驱动速度和第二驱动速度，其中，第一驱动速度大于第二驱动速度，当夹钳10由张开状态转为闭合状态时，驱动组件13先由第一驱动速度通过连接件带动第一夹钳半体121与第二夹钳半体122相互靠近至预设距离，该预设距离为设定的大于二者完全闭合时的距离，再由第二驱动速度通过连接件带动第一夹钳半体121与第二夹钳半体122从该预设距离处靠拢至闭合状态。在这些实施例中，通过第一速度驱动两个夹钳半体迅速相互靠拢至预设距离，节省工作时间，再通过第二速度驱动两个夹钳半体从预设距离至夹紧物料20，由于第二速度较小，可以防止钳口闭合过快产生对物料20的冲击，防止对物料20造成损坏。可以理解的是，夹钳10由闭合转为打开状态时，可以只由第一驱动速度驱动，以节省时间，提高效率。在一种可选的实现方式中，可以采用两段式行程的气缸，即气缸可以有两个行程，例如大行程和小行程，大行程对应第一速度，小行程对应第二速度。两段式气缸可以是两个气缸背靠背安装，或者是一个具有两段形成且伸缩速度不同的一个气缸。
本发明的第二实施例提供了一种锯切装置，参照图6和图7所示，锯切装置包括夹钳组件和锯切组件，夹钳组件用于夹持物料20，锯切组件用于对物料20进行切割。具体的，夹钳组件包括相互独立分布的两个以上的夹钳10，这些夹钳10为上述任一实施例的夹钳10。两个以上的夹钳10分布于物料20的周侧，且沿物料20的周侧彼此错开分布，各夹钳10能够沿平行于物料20的轴向往复移动，在各夹钳10往复移动过程中，其中一个夹钳10夹持物料20，与物料20同步移动，其余夹钳10在与夹持物料20的夹钳10交错时处于张开状态，以避让该夹持物料20的夹钳10。锯切组件包括相互独立分布的两个以上的锯切机30，各锯切机30与夹钳10配套使用，且相互配套的夹钳10与锯切机30能够沿平行于物料20的轴向（X方向）同步移动，在其中一个夹钳10夹持物料20且与物料20的进给速度相同时，与该夹持物料20的夹钳10配套的锯切机30能够切断物料20。图6中仅示出了两组配套的夹钳10和锯切机30，三组以上的配套的夹钳10和锯切机30与之类似，在此不再示出。需要说明的是，当夹钳组件包括两个夹钳10时，两个夹钳10可以分布与物料20的周向的相对的两侧，以实现更好的避让效果；当夹钳组件包括三个以上的夹钳10时，由于各夹钳10交错分布于物料的周侧，则在往复移动过程中，交错位置的两个夹钳10呈一定角度，例如，当包含三个夹钳10时，三个夹钳10可以均匀分布与物料20的周侧，两两呈60度设置。由于夹持物料20的夹钳10并没有处于张开状态的夹钳10的两个夹钳半体的中间位置，为了保证避让效果，夹钳10的数量不宜过多。
在本实施例中，多个夹钳10和锯切机30分布在物料20的周侧，并沿图示X方向往复运动过程中，以图6和图7夹钳组件包括两个夹钳10为例进行说明，两个夹钳10在物料20的周向相对设置，当物料20进给设定长度时，其中一组配套的夹钳10（第一组的夹钳10）和锯切机30从原点启动加速，当第一组的组夹钳10和锯切机30与物料20进给速度相同时，该组的夹钳10夹持物料20、该组锯切机30沿垂直于进给方向，也即图示Y方向切断物料20，当切断物料20后，该组夹钳10松开物料20，并减速至在终点位置停下，之后再朝向原点返回，该过程中，第二组的配套的夹钳10和锯切机30从原点启动加速，重复上述过程，而这两组夹钳10在交错位置，第二组的夹钳10处于夹持状态，第一组的夹钳10处于张开状态，而处于张开状态的第一组的夹钳10的开口可以容许第二组的夹钳10通过，实现避让，具体在交错位置的避让过程请参阅图7所示。当夹钳组件包括三个以上的夹钳10时，与上述过程类似，第一组的夹钳10和第二组的夹钳10在进行上述过程时，其余组的配套的夹钳10和锯切机30也在执行上述过程，在交错位置均为一个夹钳10处于夹持状态，另一个处于打开状态，以实现避让。可以理解的是，上述过程均由控制系统进行控制，控制系统可以控制夹钳10的开合、移动以及锯切机30的切割和移动，以保证每次所切割的物料20的长度一致。通过上述结构和工作过程，在锯切时通过夹钳10进行夹持固定，提高了锯切的稳定性，并且能够实现夹钳10的避让，实现多锯切机30连续工作，提高了生产效率。
在一些可选的实施例中，该锯切装置还包括多个轨道40和多个移动组件（图未示），这些轨道40能够沿平行于物料20的轴向设置于物料20的周侧，移动组件能够设置于不同的轨道40上，且可以沿轨道40往复移动。移动组件的个数与夹钳10的个数相匹配，夹钳10与配套的锯切机30安装在同一个移动组件上，以此实现夹钳10与锯切机30的同步移动。移动组件具体可以为移动小车。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (12)

  1. 一种夹钳，其特征在于，包括：底座；夹钳本体，连接于所述底座，所述夹钳本体包括第一夹钳半体和第二夹钳半体，所述第一夹钳半体与所述第二夹钳半体均转动连接于所述底座，所述第一夹钳半体与所述第二夹钳半体相互配合用于夹持物料；驱动组件，通过连接件连接至所述第一夹钳半体及所述第二夹钳半体，并通过所述连接件带动所述第一夹钳半体与所述第二夹钳半体转动相互靠拢或分离。
  2. 根据权利要求1所述的夹钳，其特征在于，所述连接件包括第一连接杆和第二连接杆，所述第一连接杆的一端转动连接于所述第一夹钳半体，所述第二连接杆的一端转动连接于所述第二夹钳半体；所述驱动组件包括驱动部和推动部，所述第一连接杆的另一端与所述第二连接杆的另一端均转动连接于所述推动部，所述驱动部能够带动所述推动部沿垂直于所述物料的轴向往复运动，以使所述第一连接杆与所述第二连接杆带动所述第一夹钳半体与所述第二夹钳半体转动相互靠拢或分离。
  3. 根据权利要求2所述的夹钳，其特征在于，所述推动部包括第一推杆，所述第一推杆的一端连接于所述驱动部；所述第一连接杆与所述第二连接杆均转动连接于所述第一推杆的另一端。
  4. 根据权利要求2所述的夹钳，其特征在于，所述推动部包括第二推杆和U型架，所述U型架具有底边和分别与所述底边连接的两个侧边，所述第二推杆一端连接于所述驱动部，另一端连接于所述U型架的所述底边；所述第一连接杆的另一端转动连接于所述U型架的其中一个所述侧边，所述第二连接杆的另一端转动连接于所述U型架的另一个所述侧边。
  5. 根据权利要求4所述的夹钳，其特征在于，所述第一夹钳半体与所述第二夹钳半体对称设置，所述第二推杆沿所述第一夹钳半体与所述第二夹钳半体的对称轴设置，且垂直连接于所述底边的中点，两个所述侧边之间的距离大于所述夹钳处于闭合状态的宽度。
  6. 根据权利要求5所述的夹钳，其特征在于，进一步包括滑轨，所述滑轨沿平行于所述对称轴方向设置于所述底座上，所述U型架上设置有滑块，所述滑块套设于所述滑轨，能够沿所述滑轨滑动。
  7. 根据权利要求1所述的夹钳，其特征在于，所述第一夹钳半体与所述第二夹钳半体均通过第一销轴转动连接于所述底座；或所述第一夹钳半体通过第二销轴转动连接于所述底座，所述第二夹钳半体通过第三销轴转动连接于所述底座，所述第二销轴与所述第三销轴关于所述第一夹钳半体与所述第二夹钳半体的对称轴对称设置。
  8. 根据权利要求1所述的夹钳，其特征在于，所述第一夹钳半体与所述第二夹钳半体均包括夹臂和具有夹口的夹片，所述夹片与所述夹臂可拆卸连接，所述夹片用于夹持所述物料。
  9. 根据权利要求8所述的夹钳，其特征在于，所述夹臂包括第一连接段与第二连接段，所述第一连接段与所述第二连接段呈预设角度连接，所述第一连接段转动连接于所述底座，所述夹片设置于所述第二连接段。
  10. 根据权利要求1至9任一项所述的夹钳，其特征在于，所述驱动组件具有第一驱动速度与第二驱动速度，所述第一驱动速度大于所述第二驱动速度，所述驱动组件能够由第一驱动速度通过所述连接件带动所述第一夹钳半体与所述第二夹钳半体从张开状态相互靠近至预设距离，再由第二驱动速度通过所述连接件带动所述第一夹钳半体与所述第二夹钳半体闭合。
  11. 一种锯切装置，其特征在于，包括：夹钳组件，包括相互独立分布的两个以上的夹钳，两个以上的所述夹钳能够分布于所述物料的周侧，且沿所述周侧彼此错开，各所述夹钳均能够夹持所述物料，且各所述夹钳沿平行于所述物料的轴可向往复移动设置，在各所述夹钳的往复移动过程中，其中一个所述夹钳夹持所述物料，其余所述夹钳在交错位置处于张开状态，以避让所述夹持所述物料的所述夹钳，其中，各所述夹钳均为权利要求1至10任一项所述的夹钳；锯切组件，用于切割所述物料，所述锯切组件包括相互独立分布的两个以上的锯切机，所述锯切机与所述夹钳配套，且相互配套的所述夹钳与所述锯切机能够沿平行于所述轴向同步移动。
  12. 根据权利要求11所述的锯切装置，其特征在于，进一步包括：能够沿平行于所述轴向方向设置于所述物料的周侧的多个轨道；能够设置于不同的所述轨道上的多个移动组件，且多个所述移动组件沿所述轨道可往复移动设置，所述移动组件的个数与所述夹钳的个数相匹配，所述夹钳与配套的锯切机安装在同一个所述移动组件上。
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