CN204649782U - The operated grip device of pull bar - Google Patents
The operated grip device of pull bar Download PDFInfo
- Publication number
- CN204649782U CN204649782U CN201520303428.3U CN201520303428U CN204649782U CN 204649782 U CN204649782 U CN 204649782U CN 201520303428 U CN201520303428 U CN 201520303428U CN 204649782 U CN204649782 U CN 204649782U
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- CN
- China
- Prior art keywords
- pull bar
- strap
- ambulatory splint
- grip device
- guide
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses the operated grip device of a kind of pull bar, comprise the strap and ambulatory splint that are oppositely arranged, and drive described ambulatory splint near or away from the drive unit of described strap, also comprise the first guide frame that described ambulatory splint is led; Described drive unit comprises the pull bar that can reciprocate along described strap length direction as straight line under external force, and the intermediate transmission mechanism be arranged between described pull bar and described ambulatory splint, described intermediate transmission mechanism under the cooperation of described first guide frame, by described pull bar along described strap length direction reciprocate be converted to drive described ambulatory splint near or away from described strap.The utility model precisely can control the close of ambulatory splint or away from described strap, avoids clamping force control improper and cause damage to wiring board, and the problem of clamping effect inequality.
Description
Technical field
The utility model relates to a kind of grip device, particularly relates to the operated grip device of one pull bar.
Background technology
Along with the fast development of electronic industry, wiring board is widely used, but due to the reason of manufacturing process, the quality problems of open circuit can be there are in the wiring board produced, after needing detection qualified, just can be applied to down one technique, because every block wiring board all needs to detect, testing amount is large especially, so circuit board tester is widely used, and be especially most widely used with flying probe tester, due to the principle of work of flying probe tester, cause test flying needle must clash into engaged test with wiring board to be measured to high-frequency, and wiring board to be measured must just can effectively detect in smooth vertical placement, therefore, train wheel bridge and lower plate must be had to coordinate just can make wiring board to be measured keep vertical state, but wiring board has two kinds usually, one is hard plate, one is soft board, no matter be hard plate or soft board, when vertically placing by clamping plate clipping, all need to clamp wiring board to be measured, and make wiring board to be measured keep vertical state, especially soft board, need stretching, survey line road treated by such train wheel bridge and lower plate just certain tensile force, and pressure must balance, and can not torsional forces be produced, bad wiring board to be measured can not be pressed from both sides, and mostly there is following defect in the lower plate used in producing at present: serviceable life is short, clamping tension force is unbalanced, easy generation torsional forces, the bad wiring board to be measured of easy folder, cause the secondary of wiring board defective.
As prior art Chinese patent literature 203178311U " the pneumatic lower plate of wiring board flying probe tester ", disclose the pneumatic lower plate of a kind of wiring board flying probe tester, primarily of sill, clamping plate loose piece, shell fragment, clamping plate cover plate, clamping plate tracheae catch, tracheae presss from both sides, Boards wall sheet, tracheae, front shroud on the left of clamping plate, back shroud on the left of clamping plate, back shroud composition on the right side of front shroud and clamping plate on the right side of clamping plate, overall in beam type clamp region, wherein, sill is formed with convex structure, clamping plate activity is formed with groove structure, learn from this structure: the external air supply pipe of tracheae, wiring board to be measured is stuck between Boards wall sheet and clamping plate movable block, tracheae inflation produces pressure and drives clamping plate movable block close to the solid sheet of clamping plate, thus compress wiring board to be measured, when detection completes, tracheae is exitted, due to the elastic force effect of shell fragment, automatically reset thus drive clamping plate movable block to recover static position, take out wiring board to be measured.In the structure shown here, clamping or take out wiring board to be measured is realized with venting by the inflation of tracheae, therefore, be not easy the moving displacement precisely controlling clamping plate movable block, easy appearance inflation is too sufficient and cause clamping force excessive and cause the damage to wiring board, this external splint movable block all can be variant away from the position of inflation inlet and the priority of the position movement of close inflation inlet and clamping force, thus affect the clamping effect of clamp device to wiring board, last owing to being inflatable, relevant apparatus notes also accomplishes leakproof.
Utility model content
For this reason, technical problem to be solved in the utility model is that the pneumatic lower plate of wiring board flying probe tester of the prior art drives ambulatory splint to move clamping to strap direction by inflatable structure, and existence is not easy the moving displacement precisely controlling portable plate, easily occur clamping force control improper and damage is caused to wiring board, and the problem of clamping effect inequality.
For solving the problems of the technologies described above, the utility model provides a kind of pull bar operated grip device, comprise the strap and ambulatory splint that are oppositely arranged, and drive described ambulatory splint near or away from the drive unit of described strap, also comprise the first guide frame that described ambulatory splint is led; Described drive unit comprises the pull bar that can reciprocate along described strap length direction as straight line under external force, and the intermediate transmission mechanism be arranged between described pull bar and described ambulatory splint, described intermediate transmission mechanism under the cooperation of described first guide frame, by described pull bar along described strap length direction reciprocate be converted to drive described ambulatory splint near or away from described strap.
Further, described intermediate transmission mechanism comprises many covers along the equally distributed skewed slot-pin shaft structure of described pull bar length direction, described skewed slot-pin shaft structure comprises the oblique guide groove be molded on described pull bar, be arranged on the downside of described ambulatory splint, and pass the first bearing pin of described oblique guide groove, and the first dop structure stoping described first bearing pin to be deviate from from described oblique guide groove.
Further, described pull bar can be connected on described strap along described strap length direction as straight line by the first syndeton with reciprocating.
Further, described first syndeton comprises and is molded on described pull bar, the bar shaped guide groove that length direction extends along described strap length direction, be vertically installed in attaching clamp on described strap and parallel with described pull bar, described attaching clamp is provided with and is applicable to through the second bearing pin in described bar shaped guide groove, also comprise the second dop structure stoping described second bearing pin to be deviate from from described bar shaped guide groove, and the length of described bar shaped guide groove is not less than the stroke that described pull bar reciprocates.
Further, described first guide frame comprises and is arranged on first axis of guide on described strap and/or the first pilot hole, and be arranged on the relevant position of described ambulatory splint, the first pilot hole coordinated with described first axis of guide and/or the first pilot hole and/or first axis of guide.
Further, first axis of guide on described strap is provided with multiple, and goes to upper and lower layering Heterogeneous Permutation, and the first pilot hole on described ambulatory splint is also provided with multiple, and correspondingly goes to upper and lower layering Heterogeneous Permutation.
Further, described strap is also provided with and the second guide frame led is reciprocated to described pull bar.
Further, described second guide frame comprises two to second axis of guide at two ends being arranged at described pull bar respectively, and often pair of described second axis of guide is upper and lower to be oppositely arranged, and the end of described pull bar is between two upper and lower described second axis of guides be oppositely arranged.
Further, described drive unit also comprises dynamic structure, and is arranged on the second syndeton between described dynamic structure and described pull bar.
Further, described dynamic structure is cylinder or hydraulic cylinder, and described second syndeton is that one end is connected with described pull bar, the connector that the piston rod of the other end and described cylinder or hydraulic cylinder is connected.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1, in the utility model, by arranging the first guide frame to described ambulatory splint; And the intermediate transmission mechanism be arranged between described pull bar and described ambulatory splint.The grip device of this spline structure, can make described intermediate transmission mechanism under the cooperation of described first guide frame, by described pull bar along described strap length direction reciprocate be converted to drive described ambulatory splint near or away from described strap.Thus realization is treated the clamping of survey wiring board and is unclamped.The operated grip device of such pull bar is simple and compact for structure, low cost of manufacture, as long as precisely control the moving displacement of pull bar, precisely can control the moving displacement of ambulatory splint, thus the size of clamping force can not only be controlled accurately, can also to ensure on ambulatory splint that clamping force is everywhere evenly and ambulatory splint movement steady.
2, in the utility model, intermediate transmission mechanism is set to overlap skewed slot-pin shaft structure more and not only makes on ambulatory splint clamping force everywhere even, and clamping force is reliable and stable.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the stereographic map that the operated grip device of pull bar of the present utility model is in open configuration;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the stereographic map that the operated grip device of pull bar of the present utility model is in clamped condition;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the upward view of Fig. 1;
Fig. 6 is the front view of Fig. 1;
Fig. 7 is the vertical view of Fig. 1.
In figure, Reference numeral is expressed as: a-drive unit, b-pull bar; B1-bar shaped guide groove; The oblique guide groove of b2-; C-ambulatory splint; D-strap; E1-first axis of guide; E2-second axis of guide; F-wiring board.
Embodiment
Below with reference to accompanying drawing, following embodiment is used to be further elaborated the utility model.
As shown in figs. 1-7, the operated grip device of a kind of pull bar of the present embodiment, comprise the strap d and ambulatory splint c that are oppositely arranged, and drive described ambulatory splint c near or away from the drive unit a of described strap d, also comprise the first guide frame that described ambulatory splint c is led; Described drive unit a comprises the pull bar b that can reciprocate along described strap d length direction as straight line under external force, and the intermediate transmission mechanism be arranged between described pull bar b and described ambulatory splint c, described intermediate transmission mechanism under the cooperation of described first guide frame, by described pull bar b along described strap d length direction reciprocate be converted to drive described ambulatory splint c near or away from described strap d.
Technique scheme is core scheme of the present utility model, by arranging the first guide frame to described ambulatory splint c; And the intermediate transmission mechanism be arranged between described pull bar b and described ambulatory splint c.Such vibrational power flow, when External Force Acting, drive unit a drives pull bar b straight line to reciprocate, and described intermediate transmission mechanism is under the cooperation of described first guide frame, described ambulatory splint c near or away from described strap d, thus realize treat survey wiring board clamping or unclamp.The operated grip device of such pull bar simple and compact for structure, low cost of manufacture, as long as precisely control the moving displacement of pull bar b, precisely can control the moving displacement of ambulatory splint c, thus the size of clamping force can not only be controlled accurately, can also to ensure on ambulatory splint c that clamping force is everywhere evenly and ambulatory splint c movement steady.
In the present embodiment, described intermediate transmission mechanism comprises many covers along the equally distributed skewed slot-pin shaft structure of described pull bar b length direction, described skewed slot-pin shaft structure is molded at least one oblique guide groove b2 on described pull bar b, be arranged on the downside of described ambulatory splint c, and pass first bearing pin of described oblique guide groove b2, and the first dop structure stoping described first bearing pin to be deviate from from described oblique guide groove b2.Intermediate transmission mechanism is set to overlap skewed slot-pin shaft structure more and not only makes on ambulatory splint c clamping force everywhere even, and clamping force is reliable and stable.
Further, in order to make total more simply compact, described pull bar b can be connected on described strap d along described strap d length direction as straight line by the first syndeton with reciprocating.In the present embodiment, preferably described first syndeton comprises and is molded on described pull bar b, the bar shaped guide groove b1 that length direction extends along described strap d length direction, be vertically installed in attaching clamp on described strap d and parallel with described pull bar b, described attaching clamp is provided with and is applicable to through the second bearing pin in described bar shaped guide groove b1, also comprise the second dop structure stoping described second bearing pin to be deviate from from described bar shaped guide groove b1, and the length of described bar shaped guide groove b1 is not less than the stroke that described pull bar b reciprocates.Not only structure is simple for first syndeton of said structure, and is easy to arrange.
As shown in Figure 1, described first guide frame comprises the first axis of guide e1 be arranged on described strap d, and is arranged on the relevant position of described ambulatory splint c, the first pilot hole coordinated with described first axis of guide e1.Certainly in other embodiments, also can be that the first pilot hole is arranged on strap d, the first axis of guide e1 be arranged on ambulatory splint c; Or strap d had both been provided with the first pilot hole, be provided with again the first axis of guide e1, and the relevant position of ambulatory splint c is provided with the first axis of guide e1 and first pilot hole of cooperation.
The first axis of guide e1 on preferred described strap d is provided with multiple, and goes to upper and lower layering Heterogeneous Permutation, and the first pilot hole on described ambulatory splint c is also provided with multiple, and correspondingly goes to upper and lower layering Heterogeneous Permutation.
In addition, in order to ensure that pull bar b can make straight line reposefully and reciprocate under the effect of drive unit a, described strap d is provided with and reciprocates to described pull bar b the second guide frame led.In the present embodiment, preferably described second guide frame comprises two to second axis of guide e2 at two ends being arranged at described pull bar b respectively, often couple of described second axis of guide e2 is upper and lower to be oppositely arranged, and the end of described pull bar b is between two upper and lower described second axis of guide e2 be oppositely arranged.
Described drive unit a also comprises dynamic structure, and is arranged on the second syndeton between described dynamic structure and described pull bar b.Described dynamic structure can be cylinder or hydraulic cylinder, and described second syndeton is that one end is connected with described pull bar b, the connector that the piston rod of the other end and described cylinder or hydraulic cylinder is connected.
Certainly on the basis of above structure, pull bar control type fixture of the present utility model also can be set to comprise a strap d, a pull bar b, and multiple ambulatory splint is set on a pull bar b, drive multiple many dynamic clamping plate to move clamping work pieces, as wiring board by a pull bar b simultaneously.
When the operated grip device of pull bar of the present utility model applies on wiring board flying probe tester, a test machine can use simultaneously 2 ~ 4 such fixtures clamp the two ends of workpiece or 4 limits to reach more stable effect simultaneously.
The course of work of the operated grip device of pull bar of the present utility model:
During operation drive unit a action, pull bar b transverse shifting, oblique guide groove b2 drives ambulatory splint c to separate with strap d, workpiece is placed between ambulatory splint c and strap, operation drive unit a counteragent, pull bar is transverse shifting in the other direction, drives ambulatory splint c to move towards strap d direction, thus clamping work pieces.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. the operated grip device of pull bar, comprise the strap (d) and ambulatory splint (c) that are oppositely arranged, and drive described ambulatory splint (c) near or away from the drive unit (a) of described strap (d), it is characterized in that:
Also comprise the first guide frame that described ambulatory splint (c) is led;
Described drive unit (a) comprises the pull bar (b) that can reciprocate along described strap (d) length direction as straight line under external force, and the intermediate transmission mechanism be arranged between described pull bar (b) and described ambulatory splint (c), described intermediate transmission mechanism under the cooperation of described first guide frame, by described pull bar (b) along described strap (d) length direction reciprocate be converted to drive described ambulatory splint (c) near or away from described strap (d).
2. the operated grip device of pull bar as claimed in claim 1, it is characterized in that: described intermediate transmission mechanism comprises many covers along the equally distributed skewed slot-pin shaft structure of described pull bar (b) length direction, described skewed slot-pin shaft structure comprises the oblique guide groove (b2) be molded on described pull bar (b), be arranged on the downside of described ambulatory splint (c), and pass the first bearing pin of described oblique guide groove (b2), and the first dop structure stoping described first bearing pin to be deviate from from described oblique guide groove (b2).
3. the operated grip device of pull bar as claimed in claim 1 or 2, is characterized in that: described pull bar (b) can be connected on described strap (d) along described strap (d) length direction as straight line by the first syndeton with reciprocating.
4. the operated grip device of pull bar as claimed in claim 3, it is characterized in that: described first syndeton comprises and is molded on described pull bar (b), the bar shaped guide groove (b1) that length direction extends along described strap (d) length direction, be vertically installed in the attaching clamp that described strap (d) is upper and parallel with described pull bar (b), described attaching clamp is provided with and is applicable to through the second bearing pin in described bar shaped guide groove (b1), also comprise the second dop structure stoping described second bearing pin to be deviate from from described bar shaped guide groove (b1), and the length of described bar shaped guide groove (b1) is not less than the stroke that described pull bar (b) reciprocates.
5. the operated grip device of pull bar as claimed in claim 4, it is characterized in that: described first guide frame comprises and is arranged on first axis of guide (e1) on described strap (d) and/or the first pilot hole, and be arranged on the relevant position of described ambulatory splint (c), the first pilot hole coordinated with described first axis of guide (e1) and/or the first pilot hole and/or first axis of guide (e1).
6. the operated grip device of pull bar as claimed in claim 5, it is characterized in that: first axis of guide (e1) on described strap (d) is provided with multiple, and go to upper and lower layering Heterogeneous Permutation, pilot hole on described ambulatory splint (c) is also provided with multiple, and correspondingly goes to upper and lower layering Heterogeneous Permutation.
7. the operated grip device of pull bar as claimed in claim 5, is characterized in that: described strap (d) is also provided with and reciprocates to described pull bar (b) the second guide frame led.
8. the operated grip device of pull bar as claimed in claim 7, it is characterized in that: described second guide frame comprises two to second axis of guide (e2) at two ends being arranged at described pull bar (b) respectively, often pair of described second axis of guide (e2) is upper and lower to be oppositely arranged, and the end of described pull bar (b) is between two upper and lower described second axis of guides (e2) be oppositely arranged.
9. the operated grip device of pull bar as claimed in claim 1, is characterized in that: described drive unit (a) also comprises dynamic structure, and is arranged on the second syndeton between described dynamic structure and described pull bar (b).
10. the operated grip device of pull bar as claimed in claim 9, it is characterized in that: described dynamic structure is cylinder or hydraulic cylinder, described second syndeton is that one end is connected with described pull bar (b), the connector that the piston rod of the other end and described cylinder or hydraulic cylinder is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303428.3U CN204649782U (en) | 2015-05-12 | 2015-05-12 | The operated grip device of pull bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303428.3U CN204649782U (en) | 2015-05-12 | 2015-05-12 | The operated grip device of pull bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204649782U true CN204649782U (en) | 2015-09-16 |
Family
ID=54102518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520303428.3U Withdrawn - After Issue CN204649782U (en) | 2015-05-12 | 2015-05-12 | The operated grip device of pull bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204649782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880582A (en) * | 2015-05-12 | 2015-09-02 | 南京协辰电子科技有限公司 | Pull-bar operated clamping device |
-
2015
- 2015-05-12 CN CN201520303428.3U patent/CN204649782U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880582A (en) * | 2015-05-12 | 2015-09-02 | 南京协辰电子科技有限公司 | Pull-bar operated clamping device |
| CN104880582B (en) * | 2015-05-12 | 2017-12-22 | 南京协辰电子科技有限公司 | The operated grip device of pull bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20171222 |
|
| AV01 | Patent right actively abandoned |