CN204818754U - Wedge hold -down mechanism - Google Patents
Wedge hold -down mechanism Download PDFInfo
- Publication number
- CN204818754U CN204818754U CN201520416111.0U CN201520416111U CN204818754U CN 204818754 U CN204818754 U CN 204818754U CN 201520416111 U CN201520416111 U CN 201520416111U CN 204818754 U CN204818754 U CN 204818754U
- Authority
- CN
- China
- Prior art keywords
- wedge
- support arm
- down mechanism
- hold
- type
- 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- Withdrawn - After Issue
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a wedge hold -down mechanism has the base, is equipped with L type hold -down mechanism on the base, screw mechanism and wedge, the base includes type platform portion, is located the installation department I of type platform portion one side, is located the guide rail groove of I below of installation department, is located the installation department II of guide rail groove one end, L type hold -down mechanism has the L type structure of compriseing support arm I and II end -to -end connection of support arm, and the corner of L type structure is equipped with and compresses tightly the pivot, and the head end of support arm I extends to type platform portion, and the tail end of support arm II is to the extension of guide rail groove department, and the tail end of support arm II has inclined plane I, the guide rail groove is arranged in to the wedge, and the wedge has the inclined plane II with I interact on the inclined plane, still is equipped with a screw on the wedge, screw mechanism has a threaded rod, and the threaded rod is installed on installation department II, and in the screw was arranged in to the one end of threaded rod, the other end of threaded rod was equipped with turning handle. Have simple structure, reduce manufacturing cost, practice thrift manpower resources, advantages such as the assembly of being convenient for, dismantlement and maintenance.
Description
Technical field
The invention relates to machining compaction techniques field, is specifically related to a kind of wedge shape hold-down mechanism.
Background technology
Hold down gag is applied very extensive in machinery industry, and kind is also more, but existing hold down gag mostly complex structure, manufacturing cost is high, strict to required precision, needs to be equipped with professional and technical personnel and operates, and be unfavorable for assembling, be not easy to regular maintenance and maintenance.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of wedge shape hold-down mechanism, by screw-driven and lever principle, realizes the work of supercharging compression, has structure simple, reduces manufacturing cost, saves human resources, is convenient to the advantages such as assembling, dismounting and maintenance.
The technical scheme that the invention adopts is:
A kind of wedge shape hold-down mechanism, have base, base is provided with L-type hold-down mechanism, screw mechanism and wedge; Described base comprises the type platform portion for place work piece, being positioned at side, type platform portion for assembling the installation portion I of L-type hold-down mechanism, being positioned at the guide-track groove for spacing wedge below installation portion I, is positioned at guide-track groove one end for installing the installation portion II of screw mechanism; Described L-type hold-down mechanism has the L-type structure connected to form by support arm I and support arm II head and the tail, the corner of L-type structure is provided with clamping shaft, the head end of support arm I extends to type platform portion, and the tail end direction guiding rail groove place of support arm II extends, and the tail end of support arm II has inclined-plane I; Described wedge is placed in guide-track groove, and wedge has the interactional inclined-plane II with inclined-plane I, and wedge is also provided with a screw; Described screw mechanism has threaded rod, and described threaded rod is arranged on installation portion II, and one end of threaded rod is placed in screw, and the other end of threaded rod is provided with turning handle.
Described a kind of wedge shape hold-down mechanism, described installation portion II is L-type connecting plate, and L-type connecting plate is provided with through hole, and the screw effect of through hole and wedge is passed in one end of threaded rod.
Described a kind of wedge shape hold-down mechanism, the both sides described threaded rod being positioned at installation portion II are respectively equipped with clamp nut and pin-and-hole, be provided with straight pin in pin-and-hole, described clamp nut is arranged on the side with turning handle, and described pin-and-hole is arranged on the side with wedge.
Described a kind of wedge shape hold-down mechanism, described type platform portion is V shape structure.
Described a kind of wedge shape hold-down mechanism, installation portion I is made up of two pieces of limiting plates arranged mutually I and limiting plate II, limiting plate I and limiting plate II top relative position are equipped with the installing hole for installing clamping shaft, and described support arm II is between limiting plate I and limiting plate II.
Described a kind of wedge shape hold-down mechanism, the tail end of described support arm I and the head end of support arm II are bolted.
Described a kind of wedge shape hold-down mechanism, the length of described support arm II is greater than the length of support arm I.
Described a kind of wedge shape hold-down mechanism, that support arm I and the application point of workpiece are a some A, some A to the distance of clamping shaft be n, and support arm II is a B with the application point of wedge, and put the m of B to the distance of clamping shaft, the ratio of m and n is greater than 1, is less than or equal to 6.
Described a kind of wedge shape hold-down mechanism, the gradient on described inclined-plane I is β, and the gradient on inclined-plane II is α, alpha+beta=90 °.
Described a kind of wedge shape hold-down mechanism, described α is 30 °, and β is 60 °.
The invention has following beneficial effect:
A kind of wedge shape hold-down mechanism of the invention, by simple screw-driven and lever principle, indirectly complete compression operation, and each parts in this mechanism all adopts the processing of normal conventional to complete making, greatly reduce manufacturing cost.This wedge shape hold-down mechanism connects by simple the assembling realizing mechanism, does not need professional, reduces the use of human resources.
The manufacture of this wedge shape hold-down mechanism does not need very high precision and easy to use, this wedge shape hold-down mechanism to the manufacture of its each parts without too high required precision, even if there is wearing and tearing and dimension overproof in each part, this structure still can use as usual, do not affect the substrate hold-down function of this wedge shape hold-down mechanism, and the place requiring auto-lock function is particularly suitable for.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wedge shape hold-down mechanism of the invention.
Fig. 2 is the structural representation of base shown in Fig. 1
Fig. 3 is the schematic diagram of screw mechanism shown in Fig. 1.
Fig. 4 is the shape of L shown in Fig. 1 hold-down mechanism schematic diagram.
Fig. 5 for B-B shown in Fig. 4 to partial sectional view.
Fig. 6 is the structural representation of wedge shown in Fig. 1.
Wherein 1-base, 11-type platform portion, 12-installation portion I, 13-guide-track groove, 14-installation portion II, 15-limiting plate I, 16-limiting plate II, 17-installing hole, 2-screw mechanism, 21-threaded rod, 22-turning handle, 23-straight pin, 24-clamp nut, 3-wedge, 31-inclined-plane II, 32-screw, 4-L shape hold-down mechanism, 41-support arm I, 42-support arm II, 43-bolt, 44-inclined-plane I, 5-clamping shaft, 6-workpiece
Detailed description of the invention
A kind of wedge shape hold-down mechanism, have base 1, base 1 is provided with L-type hold-down mechanism 4, screw mechanism 2 and wedge 3; Base 1 comprises the type platform portion 11 for place work piece, be positioned at side, type platform portion 11 for assembling the installation portion I 12 of L-type hold-down mechanism 4, being positioned at the guide-track groove 13 for spacing wedge 3 below installation portion I 12, being positioned at guide-track groove 13 one end for installing the installation portion II 14 of screw mechanism; Type platform portion 11 is V shape structure.Base 1 mainly supports fixing effect.
L-type hold-down mechanism 4 has the L-type structure connected to form by support arm I 41 and support arm II 42 head and the tail, and the length of support arm II 42 is greater than the length of support arm I 41.The tail end of support arm I 41 is connected by bolt 43 with the head end of support arm II 42.The corner of L-type structure is provided with clamping shaft 5, and the head end of support arm I 41 extends to type platform portion 11, and tail end direction guiding rail groove 13 place of support arm II 42 extends, and the tail end of support arm II 42 has inclined-plane I 44; Installation portion I 12 is made up of two pieces of limiting plates arranged mutually I 15 and limiting plate II 16, limiting plate I 15 and limiting plate II 16 top relative position are equipped with the installing hole 17 for installing clamping shaft, and support arm II 42 is between limiting plate I 15 and limiting plate II 16.That support arm I 41 and the application point of workpiece 6 are a some A, some A to the distance of clamping shaft 5 be n, and support arm II 42 is a some B with the application point of wedge 3, and put the m of B to the distance of clamping shaft 5, the ratio of m and n is greater than 1, is less than or equal to 6, preferably m:n=4:1.
Wedge 3 is placed in guide-track groove 13, and wedge 3 has the interactional inclined-plane II 31 with inclined-plane I 44, wedge is also provided with a screw 32.The gradient on inclined-plane I 44 is β, and the gradient on inclined-plane II 31 is α, alpha+beta=90 °.Preferably, α is 30 °, and β is 60 °.
Screw mechanism 2 has threaded rod 21, and described threaded rod 21 is arranged on installation portion II 17, and one end of threaded rod 21 is placed in the screw 32 of wedge 3, and the other end of threaded rod 21 is provided with turning handle 22.Installation portion II 14 is L-type connecting plate, and L-type connecting plate is provided with through hole, and one end of threaded rod 21 acts on through the screw 32 of through hole and wedge 3.On threaded rod, 21 both sides being positioned at installation portion II 14 are respectively equipped with clamp nut 24 and pin-and-hole, are provided with straight pin 23 in pin-and-hole, and described clamp nut 24 is arranged on the side with turning handle 22, and described pin-and-hole is arranged on the side with wedge 3.Clamp nut 24 and straight pin 23 act on, and threaded rod 21 (namely in through hole) on installation portion II 14 only can be rotated.Threaded rod 21 mainly provides the power of worm drive.Wedge 3 mainly realizes the conversion of transmission and the transmission of moment.
The principle of this wedge shape hold-down mechanism is the rotary motion by threaded rod 21, by the position-limiting action of guide-track groove 13, make wedge 3 along guide-track groove 13 moving linearly, carry out utilizing the inclined-plane II 31 on wedge 3 to act on the inclined-plane I 44 of support arm II 42 tail end in L-type hold-down mechanism 4, support arm I 41 and support arm II 42 are rotated centered by clamping shaft 5, and workpiece 6 is pressed on the type platform portion 11 of base 1 by support arm I 41.
The course of work of this wedge shape hold-down mechanism, by turning handle 22 rotating threaded rod 21, threaded rod 21 only can rotate under the effect of clamp nut 24 and straight pin 23, one end of threaded rod 21 acts on the screw 32 of wedge 3, wedge 3 is under the acting in conjunction of threaded rod 21 and guide-track groove 13, make this wedge 3 only along guide-track groove 13 moving linearly, and can realize self-locking at an arbitrary position.Wedge 3 motion makes it the inclined-plane I 44 that inclined-plane II 31 acts on support arm II 42 tail end, and support arm II 42 only can rotate under the effect of wedge 3 and installation portion I 12 centered by clamping shaft 5, drives support arm I 41 pairs of workpiece 6 to implement supercharging simultaneously and compresses.Support arm I 41 is some A with the application point of workpiece 6, point A to clamping shaft 5 distance be n, support arm II 42 is some B with the application point of wedge 3, point B is to the m of the distance of clamping shaft 5, because the ratio of m and n is greater than 1, therefore make use of lever principle and make L-type hold-down mechanism 4 pairs of workpiece 6 carry out supercharging compression.
Claims (10)
1. a wedge shape hold-down mechanism, is characterized in that, has base, and base is provided with L-type hold-down mechanism, screw mechanism and wedge; Described base comprises the type platform portion for place work piece, being positioned at side, type platform portion for assembling the installation portion I of L-type hold-down mechanism, being positioned at the guide-track groove for spacing wedge below installation portion I, is positioned at guide-track groove one end for installing the installation portion II of screw mechanism; Described L-type hold-down mechanism has the L-type structure connected to form by support arm I and support arm II head and the tail, the corner of L-type structure is provided with clamping shaft, the head end of support arm I extends to type platform portion, and the tail end direction guiding rail groove place of support arm II extends, and the tail end of support arm II has inclined-plane I; Described wedge is placed in guide-track groove, and wedge has the interactional inclined-plane II with inclined-plane I, and wedge is also provided with a screw; Described screw mechanism has threaded rod, and described threaded rod is arranged on installation portion II, and one end of threaded rod is placed in screw, and the other end of threaded rod is provided with turning handle.
2. a kind of wedge shape hold-down mechanism according to claim 1, is characterized in that, described installation portion II is L-type connecting plate, and L-type connecting plate is provided with through hole, and the screw effect of through hole and wedge is passed in one end of threaded rod.
3. a kind of wedge shape hold-down mechanism according to claim 1, it is characterized in that, the both sides described threaded rod being positioned at installation portion II are respectively equipped with clamp nut and pin-and-hole, straight pin is provided with in pin-and-hole, described clamp nut is arranged on the side with turning handle, and described pin-and-hole is arranged on the side with wedge.
4. a kind of wedge shape hold-down mechanism according to claim 1, is characterized in that, described type platform portion is V shape structure.
5. a kind of wedge shape hold-down mechanism according to claim 1, it is characterized in that, installation portion I is made up of two pieces of limiting plates arranged mutually I and limiting plate II, limiting plate I and limiting plate II top relative position are equipped with the installing hole for installing clamping shaft, and described support arm II is between limiting plate I and limiting plate II.
6., according to the arbitrary described a kind of wedge shape hold-down mechanism of claim 1-5, it is characterized in that, the tail end of described support arm I and the head end of support arm II are bolted.
7., according to the arbitrary described a kind of wedge shape hold-down mechanism of claim 1-5, it is characterized in that, the length of described support arm II is greater than the length of support arm I.
8. according to the arbitrary described a kind of wedge shape hold-down mechanism of claim 1-5, it is characterized in that, support arm I is some A with the application point of workpiece, point A to clamping shaft distance be n, support arm II is some B with the application point of wedge, point B is to the m of the distance of clamping shaft, and the ratio of m and n is greater than 1, is less than or equal to 6.
9., according to the arbitrary described a kind of wedge shape hold-down mechanism of claim 1-5, it is characterized in that, the gradient on described inclined-plane I is β, and the gradient on inclined-plane II is α, alpha+beta=90 °.
10. a kind of wedge shape hold-down mechanism according to claim 9, is characterized in that, described α is 30 °, and β is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416111.0U CN204818754U (en) | 2015-06-16 | 2015-06-16 | Wedge hold -down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416111.0U CN204818754U (en) | 2015-06-16 | 2015-06-16 | Wedge hold -down mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204818754U true CN204818754U (en) | 2015-12-02 |
Family
ID=54676395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520416111.0U Withdrawn - After Issue CN204818754U (en) | 2015-06-16 | 2015-06-16 | Wedge hold -down mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204818754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889762A (en) * | 2015-06-16 | 2015-09-09 | 沈阳飞机工业（集团）有限公司 | Wedged compression mechanism |
-
2015
- 2015-06-16 CN CN201520416111.0U patent/CN204818754U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889762A (en) * | 2015-06-16 | 2015-09-09 | 沈阳飞机工业（集团）有限公司 | Wedged compression mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205218885U (en) | Rapid clamping device | |
| CN202271131U (en) | Device for welding and fixing small frame | |
| CN202607321U (en) | Impact self-locking manual clamp | |
| CN113001216A (en) | Manual combination clamping device | |
| CN104889762A (en) | Wedged compression mechanism | |
| CN204818754U (en) | Wedge hold -down mechanism | |
| CN203542160U (en) | Flange yoke hole boring positioning device | |
| CN209256977U (en) | A kind of fixed device of convenient terminal-collecting machine | |
| CN214518983U (en) | Manual combination clamping device | |
| CN216327863U (en) | Fan blade clamping device | |
| CN212095421U (en) | Special clamp for roller machining | |
| CN213257966U (en) | Bus duct crane span structure welding jig | |
| CN106625221A (en) | Machine tool dovetail grinding fixture | |
| CN203611017U (en) | Planning machine manual-operated clamping mechanism | |
| CN109483266B (en) | Four-way fixed linkage clamp | |
| CN220782507U (en) | EDM smallclothes quick clamping tool | |
| CN205630359U (en) | Automatic rectify flat -nose pliers | |
| CN217393415U (en) | Fixing device for bent pipe of shield segment mold | |
| CN217620082U (en) | Assembly fixture for super capacitor | |
| CN211966725U (en) | Special-shaped bolt head inclined plane machining clamp | |
| CN204912325U (en) | Aluminum alloy is with extrusion device | |
| CN211540059U (en) | A anchor clamps that is used for quick clamping that fuel assembly skeleton was made | |
| CN220498932U (en) | Electric adjusting structure for clamp | |
| CN218050007U (en) | Fixing device for titanium alloy deep processing | |
| CN210702744U (en) | Special-shaped workpiece end face milling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170613 |