CN215143449U - Special tensile centre gripping frock of high strength spring steel wire - Google Patents

Special tensile centre gripping frock of high strength spring steel wire Download PDF

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Publication number
CN215143449U
CN215143449U CN202120551572.4U CN202120551572U CN215143449U CN 215143449 U CN215143449 U CN 215143449U CN 202120551572 U CN202120551572 U CN 202120551572U CN 215143449 U CN215143449 U CN 215143449U
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CN
China
Prior art keywords
clamping
structures
piece
workpiece
groups
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Legal status (The legal status 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 status listed.)
Expired - Fee Related
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CN202120551572.4U
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Chinese (zh)
Inventor
帖建肖
潘新旺
李志铮
艾刚
赖津
戴久国
舒勇
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Shenzhen Sansi Test Instrument Co ltd
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Shenzhen Sansi Test Instrument Co ltd
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Priority to CN202120551572.4U priority Critical patent/CN215143449U/en
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Abstract

The utility model is suitable for a spring steel wire processing technology field provides the special tensile centre gripping frock of high strength spring steel wire, the centre gripping frock includes: the anti-falling device comprises a bottom plate, wherein a plurality of groups of anti-falling structures are arranged on the bottom plate; the end part clamping structures are hinged with the end part clamping structures, the end part clamping structures are positioned on one side of the bottom plate, and the end part clamping structures clamp the workpiece from one end of the workpiece; the radial clamping structures are provided with a plurality of groups, the plurality of groups of radial clamping structures are respectively and fixedly connected with the plurality of groups of anti-falling structures, the radial clamping structures are positioned on one side of the bottom plate, which is far away from the end part clamping structures, and the radial clamping structures are used for clamping workpieces; the anti-falling structure is used for driving the radial clamping structure to further clamp the workpiece. The utility model discloses enough overcome the work piece at the easy not hard up problem of tensile in-process clamping device.

Description

Special tensile centre gripping frock of high strength spring steel wire
Technical Field
The utility model belongs to the technical field of the spring steel wire processing, especially, relate to special tensile centre gripping frock of high strength spring steel wire.
Background
The spring is generally formed by further processing a steel wire, the spring formed by processing the high-strength spring steel wire has higher performance, and under the condition that the parameters such as the number of turns, the shape and the like of the spring are fixed, the structural form of the spring formed by processing the high-strength spring steel wire is not easy to change during working, and the structural stability is better.
In the prior art, when a spring steel wire is stretched, clamping devices are generally arranged at two ends or one end of the spring steel wire, and then the spring steel wire is stretched through a machine and then is processed and formed in the next step.
The high-strength spring steel wire has higher strength compared with the common spring steel wire and is less deformed by external force, so that a larger pulling force is needed when a workpiece is stretched, and after the device for clamping the common spring steel wire is used at the position, the workpiece is easy to slide with the clamping device due to the fact that the pulling force is increased, and the clamping of the clamping device on the workpiece is easy to loosen.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special tensile centre gripping frock of high strength spring steel wire, the device that aims at solving the ordinary spring steel wire of centre gripping is used in here after because the pulling force grow leads to the work piece easily and takes place to slide between the clamping device, and clamping device takes place not hard up problem to the centre gripping of work piece easily.
In order to achieve the above object, the utility model provides a following technical scheme:
special tensile centre gripping frock of high strength spring steel wire, the centre gripping frock includes:
the anti-falling device comprises a bottom plate, wherein a plurality of groups of anti-falling structures are arranged on the bottom plate;
the end part clamping structures are hinged with the end part clamping structures, the end part clamping structures are positioned on one side of the bottom plate, and the end part clamping structures clamp the workpiece from one end of the workpiece; and
the radial clamping structures are provided with a plurality of groups, the plurality of groups of radial clamping structures are respectively and fixedly connected with the plurality of groups of anti-falling structures, the radial clamping structures are positioned on one side of the bottom plate, which is far away from the end part clamping structures, and the radial clamping structures are used for clamping workpieces;
the anti-falling structure is used for driving the radial clamping structure to further clamp the workpiece.
Further, the base plate includes:
the mounting pieces are provided with a plurality of groups, and the plurality of groups of anti-falling structures are respectively mounted on the plurality of groups of mounting pieces; and
the through hole penetrates through the bottom plate, and a pre-tightening structure for pre-tightening the workpiece is installed in the through hole.
Further, the end clamp structure includes: support piece, support piece is articulated with anti-disengaging structure, install the multiunit retaining member on the support piece, the multiunit retaining member is through the tight work piece of the clamp of mutually supporting.
Further, the radial clamping structure includes:
a clamp for clamping a workpiece; and
the driving piece is fixedly connected with the anti-falling structure, the clamping piece is connected with the driving piece, and the driving piece is used for driving the clamping piece to move close to or far away from the workpiece.
Further, anti-disengaging structure includes:
the first rotating piece is mounted on the base plate and fixedly connected with the radial clamping structure, and the first rotating piece is used for driving the radial clamping structure to rotate;
the second rotating piece is arranged on the bottom plate and used for driving the first rotating piece to rotate, and the rotating directions of the second rotating piece and the first rotating piece are opposite; and
the extensible member, the extensible member is articulated with tip fixed knot structure, tip presss from both sides tight structure and rotates the rotation through telescopic link drive second.
The embodiment of the utility model provides a special tensile centre gripping frock of high strength spring steel wire, tip press from both sides tight structure and radial clamp structure press from both sides the tight back to the work piece, at the tensile in-process of work piece, if radial clamp structure takes place not hard up, tip press from both sides tight structure and further press from both sides tightly the work piece through anti-disengaging structure drive radial clamp structure, can overcome the easy not hard up problem of work piece at tensile in-process clamping device.
Drawings
Fig. 1 is the embodiment of the utility model provides a main cross-sectional view of special tensile centre gripping frock of high strength spring steel wire.
Fig. 2 is a partial enlarged view of a portion a in fig. 1.
Fig. 3 is a top view of an end clamp according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a bottom plate in an embodiment of the present invention.
Fig. 5 is a partial sectional view of a front view of the telescopic rod in the embodiment of the present invention.
In the figure: 1. a base plate; 101. a plate body; 102. mounting holes; 103. a through hole; 2. an end clamp; 201. a ring body; 202. an arc-shaped chuck; 203. a screw; 204. a handle; 3. a telescoping member; 301. a slide cylinder; 302. a slide bar; 303. a clamping spring; 304. a connecting rod; 4. a second gear; 5. a second rotating shaft; 6. a first rotating shaft; 7. a first gear; 8. a threaded barrel; 9. a screw rod; 10. a connecting rod; 11. a clamping plate; 12. anti-skid lines; 13. pre-tightening the spring; 14. and (6) pre-tightening the clamping plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1, for the utility model discloses a special tensile centre gripping frock of high strength spring steel wire's that an embodiment provided structure chart includes:
special tensile centre gripping frock of high strength spring steel wire, the centre gripping frock includes:
the anti-falling device comprises a bottom plate 1, wherein a plurality of groups of anti-falling structures are arranged on the bottom plate 1;
the end clamping structures are hinged with the end clamping structures, the end clamping structures are located on one side of the base plate 1, and the end clamping structures clamp the workpiece from one end of the workpiece; and
the radial clamping structures are provided with a plurality of groups, the plurality of groups of radial clamping structures are respectively and fixedly connected with the plurality of groups of anti-falling structures, the radial clamping structures are positioned on one side of the bottom plate 1, which is far away from the end part clamping structures, and the radial clamping structures are used for clamping workpieces;
the anti-falling structure is used for driving the radial clamping structure to further clamp the workpiece.
As shown in fig. 1, in the embodiment of the present invention, both ends of the workpiece are provided with an end clamping structure and a radial clamping structure, and both ends of the workpiece are clamped by the end and the shaft, so that the workpiece is firmly clamped and is not easy to loosen; if the radial clamping structure is loosened, the end part clamping structure drives the radial clamping structure to further clamp the workpiece through the anti-falling structure, and the problem that the clamping device of the workpiece is easy to loosen in the stretching process can be solved.
As shown in fig. 1 and 4, in an embodiment of the present invention, the bottom plate 1 includes:
the mounting pieces are provided with a plurality of groups, and the plurality of groups of anti-falling structures are respectively mounted on the plurality of groups of mounting pieces; and
the through hole 103 penetrates through the bottom plate 1, and a pre-tightening structure for pre-tightening the workpiece is installed in the through hole 103.
As shown in fig. 1 and 4, in this embodiment, the mounting part is preferably a mounting hole 102, the bottom plate 1 includes a plate body 101, the mounting hole 102 penetrates through the plate body 101, the mounting part may also be a plate uniformly distributed around the plate body 101, the pre-tightening structure is used for pre-tightening a workpiece before clamping, the mounting hole 102 is used for mounting an anti-dropping structure, and the mounting hole 102 and the through hole 103 mainly serve to provide a mounting space.
As shown in fig. 1 and 3, in an embodiment of the present invention, the end clamping structure includes: support piece, support piece is articulated with anti-disengaging structure, install the multiunit retaining member on the support piece, the multiunit retaining member is through the tight work piece of the clamp of mutually supporting.
As shown in fig. 1 and 3, in the present embodiment, the support member is preferably a ring body 201, the ring body 201 provides a main structure for clamping and installing a locking member, the locking member is preferably an arc-shaped chuck 202, a screw 203 and a handle 204, the screw 203 is in threaded fit connection with the ring body 201, one end of the screw 203 located in the ring body 201 is rotatably connected with the arc-shaped chuck 202, the other end of the screw 203 is fixedly connected with the handle 204, and when the handle 204 controls the screw 203 to rotate, the arc-shaped chuck 202 is driven to move towards the inside of the ring body 201 to clamp and fix the end of the workpiece.
As shown in fig. 1 and 2, in an embodiment of the present invention, the radial clamping structure includes:
a clamp for clamping a workpiece; and
the driving piece is fixedly connected with the anti-falling structure, the clamping piece is connected with the driving piece, and the driving piece is used for driving the clamping piece to move close to or far away from the workpiece.
As shown in fig. 1 and 2, in the present embodiment, the clamping members are preferably a connecting rod 10 and a clamping plate 11, the driving piece is preferably a thread cylinder 8 and a screw rod 9, one end of the screw rod 9 is in threaded connection with the thread cylinder 8 and is positioned in the thread cylinder 8, the screw rod 9 can slide out of or be screwed into the threaded cylinder 8 by manually rotating the screw rod 9 through a tool, so that the expansion amount of the screw rod 9 relative to the threaded cylinder 8 is adjusted, the screw rod 9 is rotatably connected with the connecting rod 10, the clamping plate 11 is fixedly connected with the connecting rod 10, when the screw rod 9 extends out of the threaded cylinder 8, the connecting rod 10 and the clamping plates 11 are gradually close to the workpiece, the plurality of groups of clamping plates 11 are mutually matched from the periphery of the workpiece to clamp the workpiece, one side of the clamping plate 11, which is used for clamping a workpiece, is provided with anti-slip lines 12, the anti-slip lines 12 are replaced by anti-slip pads fixed on the clamping plate 11, and one end of the threaded cylinder 8, which is far away from the screw rod 9, is fixedly connected with the anti-slip structure.
As shown in fig. 1 and 5, in an embodiment of the present invention, the anti-disengaging structure includes:
the first rotating piece is mounted on the base plate and fixedly connected with the radial clamping structure, and the first rotating piece is used for driving the radial clamping structure to rotate;
the second rotating piece is arranged on the bottom plate and used for driving the first rotating piece to rotate, and the rotating directions of the second rotating piece and the first rotating piece are opposite; and
the extensible member 3, the extensible member 3 is articulated with the tip fixed knot structure, the tip presss from both sides tight structure and rotates the rotation through telescopic link drive second.
In this embodiment, preferably, the first rotating member includes a first rotating shaft 6 and a first gear 7, the first rotating shaft 6 is rotatably connected in the mounting hole 102, the first gear 7 is fixedly sleeved on the first rotating shaft 6, the threaded cylinder 8 is fixedly connected on the first rotating shaft 6, the second rotating member includes a second gear 4 and a second rotating shaft 5, the second rotating shaft 5 is rotatably connected in the mounting hole 102, the second gear 4 is fixedly sleeved on the second rotating shaft 5, the second gear 4 is engaged with the first gear 7, the rotation directions of the second gear 4 and the first gear 7 are opposite, one end of the telescopic member 3 and one end of the second rotating shaft 5 are on the end clamping structure, when the end clamping structure is moved downwards by a pulling force, the telescopic member 3 drives the second rotating shaft 5 to rotate, the second rotating shaft 5 drives the first rotating shaft 6 to rotate in the reverse direction through the second gear 4 and the first gear 7, and the first rotating shaft 6 is connected to the mounting hole 102 through the threaded cylinder 8, The screw 9 and the connecting rod 10 increase the clamping force between the clamping plate 11 and the workpiece.
In this embodiment, referring to fig. 1 and 5, the extensible member 3 includes a sliding cylinder 301, a sliding rod 302 and a connecting rod 304, the connecting rod 304 is hinged to the end clamping structure, two ends of the sliding rod 302 are respectively slidably connected and disposed in the sliding cylinder 301 and the connecting rod 304, the sliding rod 302 is sleeved with a clamping spring 303, two ends of the clamping spring 303 are respectively and fixedly connected and disposed on the sliding cylinder 301 and the connecting rod 304, the extensible member 3 plays a role of elastic contraction, when a force applied to the end clamping structure is too large, the end clamping structure moves down, and at this time, the extensible member 3 contracts to facilitate driving the anti-falling structure to start.
In an embodiment of the utility model, please refer to fig. 1, the pretension structure includes pretension spring 13 and pretension splint 14, pretension spring 13 and pretension splint 14 are provided with the multiunit about through-hole 103 circumference equipartition, and pretension spring 13's one end and pretension splint 14 fixed connection, one end fixed connection set up on the inner wall of through-hole 103 in addition, and when through-hole 103 and pretension splint 14 were used for the work piece to pass bottom plate 1, with its one section pretension that is located the pretension structure, the tip of being convenient for presss from both sides tight structure and radially presss from both sides tight structure and carries out the centre gripping to the work piece.
In the embodiment of the utility model, the end part clamping structure is matched with the radial clamping structure to accomplish the stable clamping of one side of the workpiece; if at the tensile in-process of work piece, radial clamping structure takes place the pine to take off and leads to tip to press from both sides tight structure atress when too big, and tip presss from both sides tight structure and passes through the radial clamping structure of anti-disengaging structure drive and rotates to work piece department, and the work piece that radial structure will break away from presss from both sides tightly, can effectually solve because of the centre gripping insecure problem that leads to the work piece pine to take off.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. Special tensile centre gripping frock of high strength spring steel wire, its characterized in that, the centre gripping frock includes:
the anti-falling device comprises a bottom plate, wherein a plurality of groups of anti-falling structures are arranged on the bottom plate;
the end part clamping structures are hinged with the end part clamping structures, the end part clamping structures are positioned on one side of the bottom plate, and the end part clamping structures clamp the workpiece from one end of the workpiece; and
the radial clamping structures are provided with a plurality of groups, the plurality of groups of radial clamping structures are respectively and fixedly connected with the plurality of groups of anti-falling structures, the radial clamping structures are positioned on one side of the bottom plate, which is far away from the end part clamping structures, and the radial clamping structures are used for clamping workpieces;
the anti-falling structure is used for driving the radial clamping structure to further clamp the workpiece.
2. The special tensile centre gripping frock of high strength spring steel wire of claim 1, characterized in that, the bottom plate includes:
the mounting pieces are provided with a plurality of groups, and the plurality of groups of anti-falling structures are respectively mounted on the plurality of groups of mounting pieces; and
the through hole penetrates through the bottom plate, and a pre-tightening structure for pre-tightening the workpiece is installed in the through hole.
3. The special tensile centre gripping frock of high strength spring steel wire of claim 1, characterized in that, the tip clamping structure includes: support piece, support piece is articulated with anti-disengaging structure, install the multiunit retaining member on the support piece, the multiunit retaining member is through the tight work piece of the clamp of mutually supporting.
4. The special tensile centre gripping frock of high strength spring steel wire of claim 1, characterized in that, the radial clamping structure includes:
a clamp for clamping a workpiece; and
the driving piece is fixedly connected with the anti-falling structure, the clamping piece is connected with the driving piece, and the driving piece is used for driving the clamping piece to move close to or far away from the workpiece.
5. The special tensile centre gripping frock of high strength spring steel wire of claim 1, characterized in that anti-disengaging structure includes:
the first rotating piece is mounted on the base plate and fixedly connected with the radial clamping structure, and the first rotating piece is used for driving the radial clamping structure to rotate;
the second rotating piece is arranged on the bottom plate and used for driving the first rotating piece to rotate, and the rotating directions of the second rotating piece and the first rotating piece are opposite; and
the extensible member, the extensible member is articulated with tip fixed knot structure, tip presss from both sides tight structure and rotates the rotation through telescopic link drive second.
CN202120551572.4U 2021-03-17 2021-03-17 Special tensile centre gripping frock of high strength spring steel wire Expired - Fee Related CN215143449U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120551572.4U CN215143449U (en) 2021-03-17 2021-03-17 Special tensile centre gripping frock of high strength spring steel wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120551572.4U CN215143449U (en) 2021-03-17 2021-03-17 Special tensile centre gripping frock of high strength spring steel wire

Publications (1)

Publication Number Publication Date
CN215143449U true CN215143449U (en) 2021-12-14

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ID=79415849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120551572.4U Expired - Fee Related CN215143449U (en) 2021-03-17 2021-03-17 Special tensile centre gripping frock of high strength spring steel wire

Country Status (1)

Country Link
CN (1) CN215143449U (en)

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Granted publication date: 20211214