CN204149065U - Scissor clamping device - Google Patents

Scissor clamping device Download PDF

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Publication number
CN204149065U
CN204149065U CN201420586450.9U CN201420586450U CN204149065U CN 204149065 U CN204149065 U CN 204149065U CN 201420586450 U CN201420586450 U CN 201420586450U CN 204149065 U CN204149065 U CN 204149065U
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CN
China
Prior art keywords
depression bar
clamping
clamping head
scissor
away
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Application number
CN201420586450.9U
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Chinese (zh)
Inventor
熊晓华
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.)
CHONGQING DAJIANG POWER EQUIPMENT MANUFACTURING Co Ltd
Chongqing Dajiang Power Equipment Co Ltd
Original Assignee
CHONGQING DAJIANG POWER EQUIPMENT MANUFACTURING Co Ltd
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Publication date
Application filed by CHONGQING DAJIANG POWER EQUIPMENT MANUFACTURING Co Ltd filed Critical CHONGQING DAJIANG POWER EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201420586450.9U priority Critical patent/CN204149065U/en
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Publication of CN204149065U publication Critical patent/CN204149065U/en
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Abstract

The utility model relates to a kind of clamping or positioner of workpiece, be specifically related to a kind of scissor clamping device, comprise frame and the positioning seat being positioned at frame both sides, wherein, also be provided with supporting base, one end is all with the first depression bar and second depression bar of clamping head, be rotationally connected with on supporting seat by axle in the middle part of first depression bar and the second depression bar, form scissor construction, the center of gravity of the first depression bar and the second depression bar is all positioned at the side away from clamping head, two clamping heads are all positioned at the top of tie point in the middle part of the first depression bar and the second depression bar, described first depression bar is provided with pin away from clamping head side, second depression bar is provided with near clamping head side and is rotationally connected with the second depression bar, and the pressure strip with U-type groove, described pin is connected by eyelet bolt with pressure strip, described pin inserts in the eye of eyelet bolt one end, the eyelet bolt other end is through U-type groove, and compressed by nut.Can Quick-clamped during the scissor gripping means grips workpiece of the utility model, and can unclamp fast, so can increase work efficiency when dismantling workpiece.

Description

Scissor clamping device
Technical field
The utility model relates to a kind of clamping or positioner of workpiece, is specifically related to a kind of scissor clamping device.
Background technology
Clamping device is widely used in multiple field at present, and comprise machinery, carpenter, electronics etc., clamping device generally comprises power, clamping element, middle force transmission mechanism, and common clamping device has oblique Xie clamping, helical clamping, eccentric clamping etc.Wherein, clamp system is greatly helical clamping, though this structure is reliably easy, when clamping and dismantle workpiece, the stroke of screw rod is very long, uses and wastes time and energy.In order to raise labour productivity, the energy Quick-clamped when clamping, and the mechanism can unclamped fast when dismantling workpiece, become the important topic of Fixture Design.
Utility model content
For the defect that above-mentioned prior art exists, energy Quick-clamped when the purpose of this utility model is to provide a kind of clamping work pieces, and the scissor clamping device that can unclamp fast when dismantling workpiece.
For achieving the above object, the technical solution of the utility model is: scissor clamping device, comprise frame and the positioning seat being positioned at frame both sides, wherein, also be provided with supporting base, one end is all with the first depression bar and second depression bar of clamping head, be rotationally connected with on supporting seat by axle in the middle part of first depression bar and the second depression bar, form scissor construction, the center of gravity of the first depression bar and the second depression bar is all positioned at the side away from clamping head, two clamping heads are all positioned at the top of tie point in the middle part of the first depression bar and the second depression bar, described first depression bar is provided with pin away from clamping head side, second depression bar is provided with near clamping head side and is rotationally connected with the second depression bar, and the pressure strip with U-type groove, described pin is connected by eyelet bolt with pressure strip, described pin inserts in the eye of eyelet bolt one end, the eyelet bolt other end is through U-type groove, and compressed by nut.
When adopting technique scheme, nut on eyelet bolt is unscrewed, swivel joint bolt, its one end is deviate from from U-type groove, due to the first depression bar and the second depression bar heavier away from clamping head one end, so now the first depression bar and second depression bar clamping head one end close up.Workpiece is placed on two positioning seats, swivel joint bolt, make its attaching nut one end through U-type groove, fastening nut, because pin is connected by eyelet bolt with pressure strip, nut applies pressure at pressure strip, then the first depression bar band clamps first end and the second depression bar closes up away from self clamping head one end, first depression bar and the second depression bar band clamp first end and open to both sides, thus by piece-holder on positioning seat.In the utility model, during clamping work pieces, swivel joint bolt, make its attaching nut one end through U-type groove, fastening nut can by piece-holder; When unloading workpiece, only nut need be unscrewed, swivel joint bolt, its one end is deviate from from U-type groove, subsequently, the center of gravity due to the first depression bar and the second depression bar is all positioned at the side away from clamping head, thus the first depression bar and the second depression bar heavier away from clamping head one end, first depression bar and the second depression bar just can draw in automatically, are unclamped by workpiece.Clamping or unloading in the process of workpiece, only need tighten or unscrew nut, the stroke that nut turns is very little, so energy Quick-clamped during clamping work pieces, and can unclamp fast when dismantling workpiece.
Further, described second depression bar is provided with balancing weight away from clamping head side, because eyelet bolt has one end to be connected to the first depression bar away from clamping head one end by pin, so the first depression bar is comparatively large away from the gravity of clamping head side, the balancing weight that the second depression bar is arranged away from clamping head side can play balanced action.
Further, the diameter of described axle is less than the hole that the first depression bar, the second depression bar are connected with axle, due to the foozle of the first depression bar, the second depression bar, when clamping work pieces, likely occur the clamping head top tight workpiece of the first depression bar, and the clamping head of the first depression bar does not contact the situation of workpiece.If the diameter of axle is less than the hole that the first depression bar, the second depression bar are connected with axle, the first depression bar, the second depression bar just have certain activity space, ensure reliably clamping work pieces.
Further, described frame is provided with dovetail groove guide rail, the positioning seat of frame both sides coordinates with dovetail groove slide, and two positioning seats are equipped with lock-screw, according to the workpiece of different size, the relative position of positioning seat can be regulated, and locked by lock-screw, thus the workpiece of different size can be located.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the scissor clamping device embodiment of the utility model;
Fig. 2 is the sectional view of Fig. 1 along A-A direction;
Fig. 3 is the structural representation that in the scissor clamping device embodiment of the utility model, the first depression bar is connected with eyelet bolt;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the structural representation of the second depression bar and pressure strip in the scissor clamping device embodiment of the utility model;
Fig. 6 is the right view of Fig. 5.
Detailed description of the invention
As shown in Figure 1, a kind of scissor clamping device, comprise frame 1 and the positioning seat 2 being positioned at frame 1 both sides, wherein, also be provided with supporting base 6, one end is all with the first depression bar 3 and the second depression bar 4 of clamping head 10, (as Fig. 2) on supporting seat is rotationally connected with by axle 7 in the middle part of first depression bar 3 and the second depression bar 4, form scissor construction, first depression bar 3, bearing 8 is connected with between second depression bar 4 and axle 7, the center of gravity of the first depression bar 3 and the second depression bar 4 is all positioned at the side away from clamping head 10, two clamping heads 10 are all positioned at the top of tie point in the middle part of the first depression bar 3 and the second depression bar 4, first depression bar 3 is provided with pin 12(as Fig. 3 and Fig. 4 away from clamping head 10 side), second depression bar 4 is provided with near clamping head 10 side and is rotationally connected with the second depression bar 4, and the pressure strip 9(with U-type groove 91 is as Fig. 5 and Fig. 6), pin 12 is connected by eyelet bolt 5 with pressure strip 9, pin 12 inserts in the eye of eyelet bolt 5 one end, eyelet bolt 5 other end is through U-type groove 91, and compressed by nut 11.
In the present embodiment, as Fig. 5 and Fig. 6, second depression bar 4 is provided with balancing weight 13 away from clamping head 10 side, because eyelet bolt 5 has one end to be connected away from clamping head 10 one end with the first depression bar 3 by pin 12, so the first depression bar 3 is comparatively large away from the gravity of clamping head 10 side, the balancing weight 13 that the second depression bar 4 is arranged away from clamping head 10 side can play balanced action.
The diameter of axle 7 is less than the hole that the first depression bar 3, second depression bar 4 is connected with axle 7, due to the foozle of the first depression bar 3, second depression bar 4, when clamping work pieces, likely occur the clamping head 10 top tight workpiece of the first depression bar 3, and the clamping head 10 of the first depression bar 3 does not contact the situation of workpiece.If the diameter of axle 7 is less than the hole that the first depression bar 3, second depression bar 4 is connected with axle 7, the first depression bar 3, second depression bar 4 just has certain activity space, ensures reliably clamping work pieces.
Frame 1 is provided with dovetail groove guide rail, the positioning seat 2 of frame 1 both sides coordinates with dovetail groove slide, and two positioning seats 2 are equipped with lock-screw, according to the workpiece of different size, the relative position of positioning seat 2 can be regulated, and locked by lock-screw, thus the workpiece of different size can be located.
Specific works flow process:
As shown in Figure 1, according to the size of workpiece to be clamped, the spacing of adjustment both sides positioning seat 2, then the nut 11 on eyelet bolt 5 is unscrewed, swivel joint bolt 5, makes its one end deviate from from U-type groove 91, due to the first depression bar 3 and the second depression bar 4 heavier away from clamping head 10 one end, so now the first depression bar 3 and the second depression bar 4 rotate around axle 7, and both clamping head 10 one end close up.Workpiece is placed on two positioning seats 2, swivel joint bolt 5, make its attaching nut 11 one end through U-type groove 91, fastening nut 11, because pin 12 is connected by eyelet bolt 5 with pressure strip 9, nut 11 applies pressure at pressure strip 9, then the first depression bar 3 is with clamping head 10 one end and the second depression bar 4 to close up away from self clamping head 10 one end, first depression bar 3 and the second depression bar 4 rotate around axle 7, and both are with clamping head 10 one end to open laterally, thus by piece-holder on positioning seat 2.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.

Claims (4)

1. scissor clamping device, comprise frame and the positioning seat being positioned at frame both sides, it is characterized in that, also be provided with supporting base, one end is all with the first depression bar and second depression bar of clamping head, be rotationally connected with on supporting seat by axle in the middle part of first depression bar and the second depression bar, form scissor construction, the center of gravity of the first depression bar and the second depression bar is all positioned at the side away from clamping head, two clamping heads are all positioned at the top of tie point in the middle part of the first depression bar and the second depression bar, described first depression bar is provided with pin away from clamping head side, second depression bar is provided with near clamping head side and is rotationally connected with the second depression bar, and the pressure strip with U-type groove, described pin is connected by eyelet bolt with pressure strip, described pin inserts in the eye of eyelet bolt one end, the eyelet bolt other end is through U-type groove, and compressed by nut.
2. scissor clamping device according to claim 1, is characterized in that, described second depression bar is provided with balancing weight away from clamping head side.
3. scissor clamping device according to claim 1, is characterized in that, the diameter of described axle is less than the hole that the first depression bar, the second depression bar are connected with axle.
4. scissor clamping device according to claim 1, is characterized in that, described frame is provided with dovetail groove guide rail, and the positioning seat of frame both sides coordinates with dovetail groove slide, and two positioning seats are equipped with lock-screw.
CN201420586450.9U 2014-10-11 2014-10-11 Scissor clamping device Active CN204149065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420586450.9U CN204149065U (en) 2014-10-11 2014-10-11 Scissor clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420586450.9U CN204149065U (en) 2014-10-11 2014-10-11 Scissor clamping device

Publications (1)

Publication Number Publication Date
CN204149065U true CN204149065U (en) 2015-02-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420586450.9U Active CN204149065U (en) 2014-10-11 2014-10-11 Scissor clamping device

Country Status (1)

Country Link
CN (1) CN204149065U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290058A (en) * 2014-10-11 2015-01-21 重庆大江动力设备制造有限公司 Shear type clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290058A (en) * 2014-10-11 2015-01-21 重庆大江动力设备制造有限公司 Shear type clamping device

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