CN204817411U - Self -locking mechanism of anchor clamps - Google Patents
Self -locking mechanism of anchor clamps Download PDFInfo
- Publication number
- CN204817411U CN204817411U CN201520535219.1U CN201520535219U CN204817411U CN 204817411 U CN204817411 U CN 204817411U CN 201520535219 U CN201520535219 U CN 201520535219U CN 204817411 U CN204817411 U CN 204817411U
- Authority
- CN
- China
- Prior art keywords
- alignment pin
- spring
- locating pin
- clamping element
- depression bar
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a self -locking mechanism of anchor clamps, including supporting seat, pendulum rod, rotation axis, locating pin, depression bar, dead lever, spring and clamping components, the supporting seat includes backup pad and n shape frame, is equipped with first locating pin spout on the n shape frame, be equipped with second locating pin spout on the pendulum rod, first locating pin spout, second locating pin spout are passed respectively to both ends about the locating pin, the depression bar alternates on the diaphragm, the lower extreme of depression bar and the last surface contact of locating pin, the dead lever alternates in the backup pad, the upper end of dead lever and the lower surface contact of locating pin, and the upper end of dead lever is equipped with the step, the spring housing on the dead lever, the lower surface contact of the upper end of spring and step, the lower extreme of spring is fixed in the backup pad, clamping components includes a plurality of clamping pieces and a plurality of clamping pieces down gone up, and each goes up the upper end of clamping piece is connected with the xarm, and the lower extreme of each time clamping piece is fixed in the backup pad. The utility model discloses tight work piece can be pressed from both sides, and can the damage not be caused to the work piece.
Description
Technical field
The utility model belongs to automobile fixture, is specifically related to a kind of self-locking mechanism of cleaning machine special fixture.
Background technology
Turbulent flow cleaning in cleaning, upset pouring etc. need to carry out rotary movement to workpiece, and workpiece can not drop phenomenon in switching process.The fixture of current use generally adopts increase clamp power to drop to prevent workpiece, but excessive clamping force easily causes damage to piece-holder position.
How can ensure neither to drop in workpiece turning process, can not cause damage again because of excessive clamping force to piece-holder position, be a needs key problems-solving in current cleaning.
Summary of the invention
The purpose of this utility model is to provide a kind of self-locking mechanism of fixture, can it be made not drop in switching process by clamping work pieces, can not cause damage again because clamping force is excessive to piece-holder position.
The self-locking mechanism of fixture described in the utility model, comprises supporting seat, fork, rotating shaft, alignment pin, depression bar, fixed bar, spring and clamp assembly;
Described supporting seat comprises gripper shoe and n shape frame, described n shape frame comprises transverse slat and two risers, the two ends, left and right of transverse slat are located by connecting with the upper end of two risers respectively, and the lower end of two risers is separately fixed in gripper shoe, and are longitudinally provided with the first alignment pin chute at the middle part of each riser;
Described fork comprises transverse arm and two swing arms, the two ends, left and right of transverse arm are located by connecting with the front end of two swing arms respectively, the rear end of two swing arms and two risers are connected one to one by rotating shaft, and in described swing arm, be provided with the second alignment pin chute corresponding with the first alignment pin chute;
The two ends, left and right of described alignment pin are interspersed in the first alignment pin chute, the second alignment pin chute respectively successively, and coordinate with the first alignment pin chute, the second alignment pin slide;
Described depression bar to be vertically interspersed on transverse slat and to be slidably matched with transverse slat, and the lower end of depression bar contacts with the upper surface of alignment pin;
Described fixed bar to be vertically interspersed in gripper shoe and to be slidably matched with gripper shoe, and the upper end of fixed bar contacts with the lower surface of alignment pin, and is provided with step in the upper end of fixed bar;
Described spring housing is on fixed bar, and the upper end of spring contacts with the lower surface of described step, and the lower end of spring is fixing on the supporting plate;
Described clamp assembly comprises multiple upper clamping element and multiple lower clamping element, and the upper end of each upper clamping element is located by connecting with transverse arm respectively, and the lower end of each lower clamping element is separately fixed in gripper shoe.
Described fork, upper clamping element and lower clamping element are all made of copper at the position that contacts with workpiece, avoid disfiguring workpiece contact site.
The upper end of described depression bar is provided with briquetting, is convenient to apply external force to depression bar.
The beneficial effects of the utility model: both can it be made not drop in switching process by clamping work pieces, again can not because of excessive special fixture self-locking mechanism piece-holder position being caused to damage of clamping force.And structure is simple, be convenient to cleaning, supporting & stablizing, self-locking limit, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation (comprise workpiece) of the utility model when being in clamped condition;
Fig. 2 is the structural representation (comprise workpiece) of the utility model when being in loose clip-like state;
Fig. 3 is schematic diagram of the present utility model;
Fig. 4 is the enlarged diagram in I portion in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The self-locking mechanism of fixture as shown in Figure 1, comprises supporting seat 1, fork 2, rotating shaft 3, alignment pin 4, depression bar 5, fixed bar 6, spring 7 and clamp assembly.Supporting seat 1 comprises gripper shoe 11 and n shape frame 12, n shape frame 12 comprises transverse slat 12a and two riser 12b, the two ends, left and right of transverse slat 12a are located by connecting with the upper end of two riser 12b respectively, the lower end of two riser 12b is separately fixed at the rear portion of gripper shoe 11, and is longitudinally provided with the first alignment pin chute 12c at the middle part of each riser 12b.Fork 2 comprises transverse arm 21 and two swing arms 22, the two ends, left and right of transverse arm 21 are located by connecting with the front end of two swing arms 22 respectively, the rear end of two swing arms 22 and two riser 12b are connected one to one by rotating shaft 3, fork 2 can be rotated around the center line of rotating shaft 3, and in swing arm 22, be provided with the second alignment pin chute 22a corresponding with the first alignment pin chute 12c.The two ends, left and right of alignment pin 4 are interspersed in the first alignment pin chute 12c, the second alignment pin chute 22a respectively successively, and are slidably matched with the first alignment pin chute 12c, the second alignment pin chute 22a.Depression bar 5 to be vertically interspersed on transverse slat 12a and to be slidably matched with transverse slat 12a, and the lower end of depression bar 5 contacts with the upper surface of alignment pin 4.Fixed bar 6 to be vertically interspersed in gripper shoe 11 and to be slidably matched with gripper shoe 11, and the upper end of fixed bar 6 contacts with the lower surface of alignment pin 4, and is provided with step 61 in the upper end of fixed bar 6.Spring 7 is enclosed within fixed bar 6, and the upper end of spring 7 contacts with the lower surface of step 61, and the lower end of spring 7 is fixed in gripper shoe 11.Clamp assembly comprises multiple upper clamping element 9 and multiple lower clamping element 10, upper clamping element 9 and lower clamping element 10 quantity and arrangement mode can be arranged according to actual needs, the upper end of each upper clamping element 9 is located by connecting with transverse arm 21 respectively, the lower end of each lower clamping element 10 is separately fixed in gripper shoe 11, is coordinated clamping by the workpiece 8 cleaned by upper clamping element 9 and lower clamping element 10.
As depicted in figs. 1 and 2, fork 2, upper clamping element 9 and lower clamping element 10 all adopt the low material of the hardness such as copper to make at the position that contacts with workpiece 8, avoid disfiguring workpiece contact site.
As depicted in figs. 1 and 2, the upper end of depression bar 5 is provided with briquetting 51, is convenient to apply external force to depression bar 5.
As shown in Figure 1, when this self-locking mechanism is in clamped condition, can be overturn together with fixture by the workpiece 8 cleaned and do not drop.
As shown in Figure 2, when this self-locking mechanism is in loose clip-like state, can put into or take out workpiece 8 from self-locking mechanism.
As depicted in figs. 1 and 2, self-locking mechanism by loose clip-like state to clamped condition, its motion flow is: external force unclamps the pressure to depression bar 5, spring 7 is upheld to impel on fixed bar 6 and is moved, promote alignment pin 4 to move up along the first alignment pin chute 12c, alignment pin 4 drives fork 2 to rotate clockwise around rotating shaft 3 to the power of the second alignment pin chute 22a, and when alignment pin 4 arrives the upper extreme position of the second alignment pin chute 22a and the first alignment pin chute 12c, clamp assembly is clamping work pieces 8 just in time.Now, spring 7 does not also stretch to free state completely, still has an active force upwards to alignment pin 4, thus makes clamp assembly produce thrust all the time to workpiece 8.By the size selecting the spring 7 of different elastic force to adjust thrust, while making it workpiece pressing 8, also damage can not be caused to workpiece 8.
The self-lock mechanism of this self-locking mechanism is as follows:
As shown in Figure 3 and Figure 4, under being in clamped condition by the workpiece 8 cleaned, the clamping force of fork 2 pairs of workpiece 8 be F, F perpendicular to pivot to alignment pin 4 and the second alignment pin chute 22a contact point line.Clamping force F is decomposed: edge is F perpendicular to the normal pressure of alignment pin 4 and the second alignment pin chute 22a contact point tangential direction
y, along the sliding force F of contact point tangential direction
x.Normal pressure F
yproduce frictional force F upwards
fwith F
xdirection is contrary.
Sliding force F
x: F
x=Fsin θ;
Normal pressure F
y: F
y=Fcos θ;
Frictional force F
f: F
f=μ × F
y=μ × Fcos θ;
θ=12o-10o=2o；
μ=0.1～0.12；
Frictional force F
f: F
f=μ * F
y=μ * Fcos θ=0.1*Fcos2o ≈ 0.0999F
Sliding force F
x: F
x=Fsin θ=Fsin2o ≈ 0.0349F
So, frictional force F
f> sliding force F
x
(wherein: θ is F and F
ybetween angle, μ is coefficient of friction)
Because frictional force F
f> sliding force F
x, form self-locking, then alignment pin 4 can not glide, and fork 2 is limited, forms clamping reliably thus and can not drop to workpiece 8.
Claims (3)
1. a self-locking mechanism for fixture, is characterized in that: comprise supporting seat (1), fork (2), rotating shaft (3), alignment pin (4), depression bar (5), fixed bar (6), spring (7) and clamp assembly;
Described supporting seat (1) comprises gripper shoe (11) and n shape frame (12), described n shape frame (12) comprises transverse slat (12a) and two risers (12b), the two ends, left and right of transverse slat (12a) are located by connecting with the upper end of two risers (12b) respectively, the lower end of two risers (12b) is separately fixed in gripper shoe (11), and is longitudinally provided with the first alignment pin chute (12c) at the middle part of each riser (12b);
Described fork (2) comprises transverse arm (21) and two swing arms (22), the two ends, left and right of transverse arm (21) are located by connecting with the front end of two swing arms (22) respectively, rear end and two risers (12b) of two swing arms (22) are connected one to one by rotating shaft (3), and in described swing arm (22), be provided with the second alignment pin chute (22a) corresponding with the first alignment pin chute (12c);
The two ends, left and right of described alignment pin (4) are interspersed in the first alignment pin chute (12c), the second alignment pin chute (22a) respectively successively, and are slidably matched with the first alignment pin chute (12c), the second alignment pin chute (22a);
Described depression bar (5) is vertically interspersed in transverse slat (12a) and goes up and be slidably matched with transverse slat (12a), and the lower end of depression bar (5) contacts with the upper surface of alignment pin (4);
Described fixed bar (6) is vertically interspersed in gripper shoe (11) and goes up and be slidably matched with gripper shoe (11), and the upper end of fixed bar (6) contacts with the lower surface of alignment pin (4), and is provided with step (6a) in the upper end of fixed bar (6);
Described spring (7) is enclosed within fixed bar (6), and the upper end of spring (7) contacts with the lower surface of described step (6a), and the lower end of spring (7) is fixed in gripper shoe (11);
Described clamp assembly comprises multiple upper clamping element (9) and multiple lower clamping element (10), and the upper end of each upper clamping element (9) is located by connecting with transverse arm (21) respectively, and the lower end of each lower clamping element (10) is separately fixed in gripper shoe (11).
2. the self-locking mechanism of fixture according to claim 1, is characterized in that: described fork (2), upper clamping element (9) and lower clamping element (10) are all made of copper at the position that contacts with workpiece.
3. the self-locking mechanism of fixture according to claim 1 and 2, is characterized in that: the upper end of described depression bar (5) is provided with briquetting (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520535219.1U CN204817411U (en) | 2015-07-22 | 2015-07-22 | Self -locking mechanism of anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520535219.1U CN204817411U (en) | 2015-07-22 | 2015-07-22 | Self -locking mechanism of anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204817411U true CN204817411U (en) | 2015-12-02 |
Family
ID=54675053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520535219.1U Expired - Fee Related CN204817411U (en) | 2015-07-22 | 2015-07-22 | Self -locking mechanism of anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204817411U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478432A (en) * | 2016-01-22 | 2016-04-13 | 安徽江淮汽车股份有限公司 | Cleaning fixture for engines |
| CN106914839A (en) * | 2015-12-28 | 2017-07-04 | 天津亚斯德瑞科技发展有限公司 | A kind of hold-down gear |
| CN113629446A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Rotary quick-locking quick-separating locker and modular connector |
| CN114249099A (en) * | 2021-12-23 | 2022-03-29 | 安吉前程竹木机械有限公司 | An upper pressing wheel device for bamboo sheet conveying |
| CN116336311A (en) * | 2023-02-24 | 2023-06-27 | 深圳市绿联科技股份有限公司 | Clamping and fixing mechanism and bracket thereof |
| CN120268748A (en) * | 2025-06-11 | 2025-07-08 | 中船重工双威智能装备有限公司 | Work piece centre gripping tilting mechanism and contain its surge cleaning device |
-
2015
- 2015-07-22 CN CN201520535219.1U patent/CN204817411U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914839A (en) * | 2015-12-28 | 2017-07-04 | 天津亚斯德瑞科技发展有限公司 | A kind of hold-down gear |
| CN105478432A (en) * | 2016-01-22 | 2016-04-13 | 安徽江淮汽车股份有限公司 | Cleaning fixture for engines |
| CN113629446A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Rotary quick-locking quick-separating locker and modular connector |
| CN113629446B (en) * | 2021-07-20 | 2023-11-14 | 中航光电科技股份有限公司 | Rotary quick lock and quick release lock and modular connector |
| CN114249099A (en) * | 2021-12-23 | 2022-03-29 | 安吉前程竹木机械有限公司 | An upper pressing wheel device for bamboo sheet conveying |
| CN116336311A (en) * | 2023-02-24 | 2023-06-27 | 深圳市绿联科技股份有限公司 | Clamping and fixing mechanism and bracket thereof |
| CN120268748A (en) * | 2025-06-11 | 2025-07-08 | 中船重工双威智能装备有限公司 | Work piece centre gripping tilting mechanism and contain its surge cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205703315U (en) | A kind of square parts processing unit (plant) | |
| CN102837274B (en) | Pressure plate clamping structure of eccentric wheel | |
| CN104511768A (en) | Screw lever type clamping mechanism | |
| CN203665141U (en) | Cam self-locking clamping device | |
| CN204353810U (en) | Screw lever type clamping mechanism | |
| CN209240906U (en) | A kind of charging pile | |
| CN107639433A (en) | Workpiece floating clamping device | |
| CN204471263U (en) | Turning localization tool on a kind of multiple-station rotation platform | |
| CN108500417A (en) | A kind of fixture for welding | |
| CN204247780U (en) | steel pipe bending device | |
| CN203062306U (en) | Dual ejection type centering clamping device | |
| CN205184518U (en) | Automatic drive top device | |
| CN211841615U (en) | Clamping device for machining | |
| CN204711019U (en) | An Elastic Hook Positioning Clamping Riveting Device | |
| CN103111860A (en) | Cam clamping device | |
| CN203062587U (en) | Cam pressing device | |
| CN202200196U (en) | Bidirectional F clip | |
| CN215318275U (en) | Steel structure clamp | |
| CN204747355U (en) | Lever reinforcing bar clamping device | |
| CN203062201U (en) | Clamping device | |
| CN203665140U (en) | Two-arm clamping device | |
| CN202733174U (en) | Rubber pipe clamping device | |
| CN209273292U (en) | The self-locking assembled fixture of elasticity | |
| CN202556104U (en) | Fast clamping device applicable to worktable board | |
| CN204414073U (en) | Hold down gag structure |
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: 20151202 |