CN203751722U - Workpiece interior clamping tool - Google Patents
Workpiece interior clamping tool Download PDFInfo
- Publication number
- CN203751722U CN203751722U CN201420062324.3U CN201420062324U CN203751722U CN 203751722 U CN203751722 U CN 203751722U CN 201420062324 U CN201420062324 U CN 201420062324U CN 203751722 U CN203751722 U CN 203751722U
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- CN
- China
- Prior art keywords
- base plate
- push
- pin
- screw rod
- jaw
- 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.)
- Expired - Fee Related
Links
- 238000003754 machining Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a workpiece interior clamping tool and belongs to the technical filed of clamping tools. The clamping tool comprises a base plate. A support block and a positioning pin which are used for positioning a workpiece is mounted on the upper surface of the base plate. One side, with the support block, of the upper surface of the base plate is provided with a jaw seat. The jaw seat is hinged to a jaw for clamping the workpiece through a pin. The jaw comprises a bearing end and a clamping end for clamping the workpiece. The clamping end is located above the base plate. The bearing end penetrates the base plate and is located below the base plate. The bearing end is provided with a long waist hole. A push-pull pin driven by a linear drive device is mounted on the lower surface of the base plate. The push-pull pin is mounted in the long waist hole in a restrained manner. The workpiece interior clamping tool is simple in structure, low in cost, convenient to operate, high in efficiency, good in quality and wide in application range, and machining can be completed at one step.
Description
Technical field
The utility model belongs to technical field of tooling clamps, relates in particular to a kind of inside workpiece clamping tool.
Background technology
At present, in machining industry, the mode of Workpiece clamping has outer clip and two kinds of modes of inner clip.For some box parts, conventionally adopt plane and two pits location, position by back-up block and alignment pin, the locating surface of part casing has inner convex platform, in the time that processing surrounding hole is, because the quantity of surrounding installing hole system is many, and Product Process need to be processed an operation, pressure holding position is subject to spatial limitation, can produce cutter interference problem.For external clamping, common processing method adopts and splits processing mode, and interference position is moved to following process, due to the resetting of needs secondary, is unfavorable for guaranteeing of quality, and affects working (machining) efficiency; For inner clamping type, common inside clamps, 90 degree rotary oil cylinders for multiselect, and this just requires equipment must be furnished with suitable Hydraulic Station, is used in combination, and cost is relatively high, and is sometimes subject to the impact of hydraulic cylinder volume, is difficult for installing and using.
Utility model content
Technical problem to be solved in the utility model is: a kind of inside workpiece clamping tool is provided, and simple in structure, cost is relatively low, easy to operate, and efficiency is high, and a satisfied order completes the requirement of processing, and quality is better, applied widely.
For solving the problems of the technologies described above, the technical solution of the utility model is: inside workpiece clamping tool, comprise base plate, the upper surface of described base plate is provided with for the back-up block of positioning workpieces and alignment pin, the side that the upper surface of described base plate is positioned at described back-up block is provided with jaw seat, on described jaw seat, be hinged with the jaw for clamping work pieces by bearing pin, described jaw comprises load end and the bare terminal end for holding workpiece, described bare terminal end is positioned at described base plate top, described load end is through described base plate and be positioned at described base plate below, described load end is provided with long lumbar hole, the push-and-pull pin being driven by linear drive apparatus is installed on the lower surface of described base plate, and described push-and-pull pin constraint is installed in described long lumbar hole.
Improve as one, described linear drive apparatus comprises the holder being arranged on described base plate lower surface, on described holder, screw rod is installed, one end of described screw rod connects described push-and-pull pin, described screw rod axially and described push-and-pull pin axial vertical, the other end of described screw rod is provided with handwheel, and described handwheel is provided with handle.
As further improvement, described push-and-pull pin is arranged on a contiguous block, and described screw rod is connected described contiguous block with split pin by catch.
Adopt after technique scheme, the beneficial effects of the utility model are: because inside workpiece clamping tool comprises base plate, the upper surface of described base plate is provided with back-up block and alignment pin, the side that the upper surface of described base plate is positioned at described back-up block is provided with jaw seat, on described jaw seat, be hinged with jaw by bearing pin, described jaw comprises load end and bare terminal end, and described load end is provided with long lumbar hole; The push-and-pull pin being driven by linear drive apparatus is installed on the lower surface of described base plate, and described push-and-pull pin constraint is installed in described long lumbar hole; Thereby after utilizing back-up block and alignment pin to locate workpiece, drive push-and-pull pin by linear drive apparatus, and make push-and-pull pin drive jaw to rotate around bearing pin, make the bare terminal end of jaw clamp workpiece to be processed; The inside that utilizes lever principle to complete workpiece clamps, and clamping force is large.The utility model is simple in structure, and cost is low, safe and reliable, easy to operate, and efficiency is higher, and a satisfied order completes the requirement of processing, and quality is better, applied widely, has realized the processing of the inner clamping mode of box parts.
Because described linear drive apparatus comprises holder, on described holder, screw rod is installed, an end of described screw rod connects described push-and-pull pin, and the other end of described screw rod is provided with handwheel, and described handwheel is provided with handle; Thereby by manual rotation handwheel, make screw rod drive push-and-pull pin to realize and move axially, simple in structure; Utilize the self-lock mechanism of screw rod simultaneously, make the reliability of Workpiece clamping high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is A-A partial sectional view in Fig. 2;
Fig. 4 is working state schematic representation of the present utility model;
In figure: 1, base plate, 2, back-up block, 3, alignment pin, 4, jaw seat, 5, bearing pin, 6, jaw, 61, load end, 62, bare terminal end, 63, long lumbar hole, 7, linear drive apparatus, 71, holder, 72, screw rod, 73, handwheel, 74, handle, 8, push-and-pull pin, 9, contiguous block, 10, catch, 11, split pin, 12, workpiece.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 to Fig. 3 is common, inside workpiece clamping tool, comprise base plate 1, the upper surface of base plate 1 is provided with for the back-up block 2 of positioning workpieces and alignment pin 3, the side that the upper surface of base plate 1 is positioned at back-up block 2 is provided with jaw seat 4, on jaw seat 4, be hinged with the jaw 6 for clamping work pieces by bearing pin 5, jaw 6 comprises load end 61 and the bare terminal end 62 for holding workpiece, bare terminal end 62 is positioned at base plate 1 top, load end 61 is through base plate 1 and be positioned at base plate 1 below, and load end 61 is provided with long lumbar hole 63; The push-and-pull pin 8 being driven by linear drive apparatus 7 is installed on the lower surface of base plate 1, and 8 constraints of push-and-pull pin are installed in long lumbar hole 63.
Wherein, linear drive apparatus 7 comprises the holder 71 being arranged on base plate 1 lower surface, screw rod 72 is installed on holder 71, one end of screw rod 72 connects push-and-pull pin 8, screw rod 72 axially and push-and-pull pin 8 axial vertical, the other end of screw rod 72 is provided with handwheel 73, handwheel 73 is provided with handle 74, by manual rotation handwheel 73, make screw rod 72 drive push-and-pull pin 8 to realize and move axially, simple in structure; Utilize the self-lock mechanism of screw rod 72 simultaneously, make the reliability of Workpiece clamping high.Certainly, linear drive apparatus 7 also can be selected pinion and rack etc., can realize, and those skilled in the art can select according to actual conditions, do not repeat them here.Preferably, push-and-pull pin 8 is arranged on a contiguous block 9, and screw rod 72 is connected contiguous block 9 by catch 10 with split pin 11.
As shown in Figure 4, rotation hand wheel 73, drives push-and-pull pin 8 to move axially by screw rod 72, and push-and-pull pin 8 drives jaw 6 to rotate around bearing pin 5, and now jaw 6 is in relaxation state; Start material loading, after utilizing back-up block 2 and alignment pin 3 that workpiece 12 is located; Reverse rotation handwheel 73, drives push-and-pull pin 8 to move axially by screw rod 72, and push-and-pull pin 8 drives jaw 6 to rotate backward around bearing pin 5, and now jaw 6, in clamped condition, clamps workpiece 12 rapidly by the self-lock mechanism of screw rod 72, starts to process.Repeat this action and complete workpiece 12 loading and unloading work.
The inside workpiece clamping tool that the utility model provides, the inside that utilizes lever principle to complete workpiece clamps, and clamping force is large; Utilize the self-lock mechanism of screw rod simultaneously, make the reliability of Workpiece clamping high.The utility model is simple in structure, and cost is low, safe and reliable, easy to operate, and efficiency is higher, and a satisfied order completes the requirement of processing, and quality is better, applied widely, has realized the processing of the inner clamping mode of box parts.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. inside workpiece clamping tool, comprise base plate, the upper surface of described base plate is provided with for the back-up block of positioning workpieces and alignment pin, it is characterized in that, the side that the upper surface of described base plate is positioned at described back-up block is provided with jaw seat, on described jaw seat, be hinged with the jaw for clamping work pieces by bearing pin, described jaw comprises load end and the bare terminal end for holding workpiece, described bare terminal end is positioned at described base plate top, described load end is through described base plate and be positioned at described base plate below, and described load end is provided with long lumbar hole; The push-and-pull pin being driven by linear drive apparatus is installed on the lower surface of described base plate, and described push-and-pull pin constraint is installed in described long lumbar hole.
2. inside workpiece clamping tool according to claim 1, it is characterized in that, described linear drive apparatus comprises the holder being arranged on described base plate lower surface, on described holder, screw rod is installed, one end of described screw rod connects described push-and-pull pin, described screw rod axially and described push-and-pull pin axial vertical, the other end of described screw rod is provided with handwheel, described handwheel is provided with handle.
3. inside workpiece clamping tool according to claim 2, is characterized in that, described push-and-pull pin is arranged on a contiguous block, and described screw rod is connected described contiguous block with split pin by catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062324.3U CN203751722U (en) | 2014-02-11 | 2014-02-11 | Workpiece interior clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062324.3U CN203751722U (en) | 2014-02-11 | 2014-02-11 | Workpiece interior clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751722U true CN203751722U (en) | 2014-08-06 |
Family
ID=51247033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062324.3U Expired - Fee Related CN203751722U (en) | 2014-02-11 | 2014-02-11 | Workpiece interior clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751722U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI661895B (en) * | 2018-12-12 | 2019-06-11 | 捷迅機械工業有限公司 | Compound clamping device for machine tool |
| CN111151780A (en) * | 2020-01-03 | 2020-05-15 | 南京汽轮电机(集团)有限责任公司 | Variable gas turbine cylinder body inclined plane clamping device |
| CN112621265A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
-
2014
- 2014-02-11 CN CN201420062324.3U patent/CN203751722U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI661895B (en) * | 2018-12-12 | 2019-06-11 | 捷迅機械工業有限公司 | Compound clamping device for machine tool |
| CN111151780A (en) * | 2020-01-03 | 2020-05-15 | 南京汽轮电机(集团)有限责任公司 | Variable gas turbine cylinder body inclined plane clamping device |
| CN112621265A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
| CN112621265B (en) * | 2020-12-07 | 2021-09-21 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |