CN211891083U - Carbon fiber long propeller oar limit trimming fixing device - Google Patents
Carbon fiber long propeller oar limit trimming fixing device Download PDFInfo
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- CN211891083U CN211891083U CN202020510112.2U CN202020510112U CN211891083U CN 211891083 U CN211891083 U CN 211891083U CN 202020510112 U CN202020510112 U CN 202020510112U CN 211891083 U CN211891083 U CN 211891083U
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Abstract
The utility model provides a long screw oar limit of carbon fiber fixing device that cuts, the on-line screen storage device comprises a base, offer the fixed slot that is used for placing the oar limit on the base, a plurality of aspirating holes have been seted up to the bottom of fixed slot, and the position fixedly connected with that is close to the fixed slot on the base is used for compressing tightly the closing device on oar limit, closing device includes pressure head, clamp plate assembly and adjustment handle, the pressure head is located the top of fixed slot. Remove adjustment handle, when pin joint A, pin joint B, pin joint C were located a straight line, the pressure head compressed tightly long screw oar limit, avoided the screw to appear rocking at the in-process of cutting edge, reduced the side cut error, with error range control at 0.3 millimeter +/-, avoid the material extravagant, improve the machining precision, save the material, guarantee product quality.
Description
Technical Field
The utility model belongs to the technical field of the screw is manufactured, especially, relate to a long screw oar limit trimming fixing device of carbon fiber.
Background
The propeller is a device which rotates in air or water by virtue of blades and converts the rotating power of an engine into propulsive force, consists of a propeller hub and the blades, and is widely applied to the fields of airplane, ship manufacturing and the like. The working conditions of the propeller are often harsh and the forces are very high during operation, so the manufacturing process must be strictly controlled. After the propeller is machined and formed through a series of procedures, the edge of the propeller needs to be trimmed, and when the edge of the long-spiral propeller is trimmed, the long-spiral propeller needs to be fixed in order to reduce shearing errors as much as possible. At present, the device of fixed long propeller blade commonly used among the prior art adopts pure vacuum adsorption's fixed mode mostly, however vacuum adsorption power often can not reach the requirement, this just leads to the screw can not paste tight fixing device, when cutting edge operation, the screw rocks easily, the error of side cut has been increased, the error often reaches 3 millimeters, and because the screw rocks easily, the position is unfixed, it is inconvenient to lead to the cutting process operation, and is difficult to control, often can cut away too much material, the material waste has also been caused when the error of increase side cut.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long screw oar limit trimming fixing device of carbon fiber to solve the long screw oar limit trimming fixing device among the prior art big, the extravagant technical problem of material of causing easily of side cut error.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a long screw oar limit fixing device of cutting edge of carbon fiber, the on-line screen storage device comprises a base, offer the fixed slot that is used for placing the oar limit on the base, a plurality of aspirating holes have been seted up to the bottom of fixed slot, and the position fixedly connected with that is close to the fixed slot on the base is used for compressing tightly the closing device on oar limit, closing device includes pressure head, clamp plate subassembly and adjustment handle, the pressure head is located the top of fixed slot.
The pressing plate assembly comprises a supporting seat and a first pressing plate, one end of the first pressing plate is fixedly connected with the adjusting handle, a connecting plate is hinged between the middle of the first pressing plate and the supporting seat, a hinge point between the first pressing plate and the connecting plate is set as a hinge point A, a hinge point between the connecting plate and the supporting seat is set as a hinge point B, the other end of the first pressing plate is hinged with a second pressing plate, a hinge point between the first pressing plate and the second pressing plate is set as a hinge point C, the end part, close to one end of the first pressing plate, of the second pressing plate is hinged with the supporting seat, a hinge point between the second pressing plate and the supporting seat is set as a hinge point D, one end, away from the first pressing plate, of the second pressing plate is fixedly connected with a connecting rod extending downwards, the pressing head is fixed at the, When the hinge point B and the hinge point C are located on the same straight line, the second pressing plate is fixed, and the pressing head presses the long propeller edge tightly.
The supporting seat comprises a vertical plate and a positioning plate, the vertical plate is vertically arranged, the positioning plate is horizontally arranged, the positioning plate is fixedly connected to the outer side of the lower portion of the vertical plate, the connecting plate and the second pressing plate are hinged to the supporting seat through the vertical plate, and the pressing device is fixedly connected to the base through the positioning plate.
The connecting rod is provided with an external thread, the pressure head is provided with an internal thread, the second pressing plate is of a hollow structure, the top end of the second pressing plate is fixedly connected with a fixing plate, the fixing plate is provided with a positioning hole for the connecting rod to pass through, the top end of the connecting rod is fixed on the fixing plate through a nut, and the bottom end of the connecting rod is in threaded connection with the pressure head.
The longitudinal section of the pressure head is trapezoidal.
The air exhaust holes are arranged in an annular array, and are uniformly arranged in the fixing groove at intervals.
The number of fixed slots is two, all is fixed with two closing device on the base of every fixed slot both sides.
And an anti-skid rubber pad is fixedly connected to the bottom surface of the pressure head.
The utility model has the advantages that: (1) the structure is simple, the pressing device is additionally arranged on the trimming fixing device, the propeller can be tightly attached to the trimming fixing device, the propeller is prevented from shaking when trimming is carried out, the trimming error can be controlled to be +/-0.3 mm, and compared with the trimming error of +/-3 mm in the prior art, the trimming precision is improved, the product quality is ensured, meanwhile, the waste of materials is reduced, and the cost is saved; (2) the connecting rod is in threaded connection with the pressure head, the top end of the connecting rod is fixed on the fixing plate of the second pressure plate through a nut, and the connecting rod or the pressure head is convenient to dismount, maintain and replace in time when the connecting rod or the pressure head is seriously worn or breaks down; (3) the longitudinal section of the pressure head is designed to be trapezoidal, so that the area of the bottom surface of the pressure head is ensured to be larger than that of the top surface of the pressure head, materials are saved under the condition that the pressing of the pressure head on the propeller surface of the propeller is ensured to be stable, and the bottom surface of the pressure head is provided with the anti-skidding rubber pad, so that the friction between the pressure head and the propeller surface of the propeller is increased, and the propeller is prevented from sliding randomly; (4) the air exhaust holes are distributed in an annular array and are uniformly arranged in the fixing groove at intervals, the purpose of intensively arranging the air exhaust holes is to ensure the vacuum degree, if the air exhaust holes are dispersedly arranged, the distributed range is larger, and a certain error exists in the forming process of the propeller, the bottom surface of the propeller is not necessarily completely flat, and it is difficult to ensure that each air exhaust hole is completely attached to the bottom surface of the propeller; (5) set up two fixed slots on the device, the both sides of every fixed slot all are fixed with two closing device, can fix two long screws simultaneously, have also improved the efficiency of cutting edge when improving closing device's the effect that compresses tightly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the hold-down device in a released state;
fig. 3 is a schematic structural diagram of the pressing device in a pressing state.
Reference numerals: 1-base, 2-mounting hole, 3-fixed slot, 4-aspirating holes, 5-closing device, 6-pressure head, 7-clamp plate subassembly, 8-adjustment handle, 9-supporting seat, 10-first clamp plate, 11-riser, 12-locating plate, 13-connecting plate, 14-second clamp plate, 15-connecting rod, 16-anti-skidding rubber pad, 17-fixed plate, 18-long screw, A-pin joint A, B-pin joint B, C-pin joint C, D-pin joint D.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a base 1, a plurality of mounting holes 2 have been seted up on base 1, mounting hole 2 is used for fixing base 1 on the side cut device, still offer the fixed slot 3 that is used for placing the oar limit on base 1, a plurality of aspirating holes 4 have been seted up to the bottom of fixed slot 3, aspirating hole 4 is the circular array and arranges, even interval sets up in fixed slot 3, aspirating hole 4 links to each other with evacuating device, aspirating hole 4 is used for extracting the air between the bottom surface of long screw 18 and the top surface of fixed slot 3, ensure that the inseparable laminating of long screw 18 is in fixed slot 3. The position fixedly connected with that is close to fixed slot 3 on base 1 is used for compressing tightly closing device 5 on oar limit, and the number of fixed slot 3 is two, all is fixed with two closing device 5 on the base 1 of 3 both sides of every fixed slot. As shown in fig. 2 and 3, the pressing device 5 includes a pressing head 6, a pressing plate assembly 7, and an adjustment handle 8, and the pressing head 6 is located above the fixing groove 3. The pressing plate assembly 7 comprises a supporting seat 9 and a first pressing plate 10, the supporting seat 9 comprises a vertical plate 11 vertically arranged and a positioning plate 12 horizontally arranged, the positioning plate 12 is fixedly connected to the outer side of the lower portion of the vertical plate 11, the vertical plate 11 and the positioning plate 12 enclose an L-shaped structure, and the pressing device 5 is fixedly connected to the base 1 through the positioning plate 12. One end and the 8 fixed connection of adjustment handle of first clamp plate 10, it has connecting plate 13 to articulate between the middle part of first clamp plate 10 and riser 11, pin joint between first clamp plate 10 and the connecting plate 13 is established to pin joint A, pin joint between connecting plate 13 and the riser 11 is established to pin joint B, the other end of first clamp plate 10 articulates there is second clamp plate 14, pin joint between first clamp plate 10 and the second clamp plate 14 is established to pin joint C, tip that second clamp plate 14 is close to first clamp plate 10 one end is articulated mutually with riser 11, pin joint D is established to pin joint D between second clamp plate 14 and the riser 11, second clamp plate 14 deviates from the one end fixedly connected with downwardly extending's of first clamp plate 10 connecting rod 15, pressure head 6 is fixed in the bottom of connecting rod 15, the longitudinal section of pressure head 6 is trapezoidal, fixedly connected with antiskid rubber pad 16 on the bottom surface of pressure head. Be equipped with the external screw thread on connecting rod 15, be equipped with the internal thread on pressure head 6, set second clamp plate 14 to hollow structure, reduce its self gravity, be convenient for rotate around the pin joint, at second clamp plate 14's top fixedly connected with fixed plate 17, set up the locating hole that supplies connecting rod 15 to pass on the fixed plate 17, the nut is passed through on fixed plate 17 in connecting rod 15's top, connecting rod 15's bottom and pressure head 6 threaded connection. By moving the adjusting handle 8, the pressing head 6 is ensured to press the paddle surface of the long propeller 18, and the propeller is prevented from shaking in the trimming process.
The first pressing plate 10, the connecting plate 13, the vertical plate 11 and the second pressing plate 14 are hinged with each other to form a double-rocker mechanism in the planar four-bar mechanism. The basic structure of the double-rocker mechanism in the plane four-bar mechanism comprises four components, namely a connecting rod, a rack, two side link rods and the like, when three points of two hinged joints of the connecting rod and one side link rod and a hinged joint of the other side link rod and the rack are in the same straight line, the mechanism is in a dead point position, and at the moment, a pressure head tightly presses a workpiece. Therefore, according to the dead point clamping principle in the mechanical mechanics of the double-rocker structure in the planar four-bar mechanism, by moving the adjusting handle 8, when the hinge point a, the hinge point B and the hinge point C are located on a straight line, the second pressing plate 14 is fixed, and the pressing head 6 presses the paddle edge of the long propeller 18.
The utility model discloses a theory of operation: during the use, place long screw 18 in fixed slot 3, adjust the position of long screw 18 and ensure that all aspirating holes 4 are all covered by long screw 18 completely, start evacuating device, when the top surface of fixed slot 3 and the bottom surface of long screw 18 are laminated completely, remove adjustment handle 8, when pin joint A, pin joint B, pin joint C are located a straight line, second clamp plate 14 is fixed motionless, and pressure head 6 compresses tightly the oar limit of long screw 18.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a long screw oar limit trimming fixing device of carbon fiber which characterized in that: the automatic oar edge pressing device comprises a base, set up the fixed slot that is used for placing the oar edge on the base, a plurality of aspirating holes have been seted up to the bottom of fixed slot, and the position fixedly connected with that is close to the fixed slot on the base is used for compressing tightly the closing device on oar edge, closing device includes pressure head, clamp plate subassembly and adjustment handle, the pressure head is located the top of fixed slot.
2. The carbon fiber long propeller blade trimming fixture as claimed in claim 1, wherein: the pressing plate assembly comprises a supporting seat and a first pressing plate, one end of the first pressing plate is fixedly connected with the adjusting handle, a connecting plate is hinged between the middle of the first pressing plate and the supporting seat, a hinge point between the first pressing plate and the connecting plate is set as a hinge point A, a hinge point between the connecting plate and the supporting seat is set as a hinge point B, the other end of the first pressing plate is hinged with a second pressing plate, a hinge point between the first pressing plate and the second pressing plate is set as a hinge point C, the end part, close to one end of the first pressing plate, of the second pressing plate is hinged with the supporting seat, a hinge point between the second pressing plate and the supporting seat is set as a hinge point D, one end, away from the first pressing plate, of the second pressing plate is fixedly connected with a connecting rod extending downwards, the pressing head is fixed at the, When the hinge point B and the hinge point C are located on the same straight line, the second pressing plate is fixed, and the pressing head presses the long propeller edge tightly.
3. The carbon fiber long propeller blade trimming fixture as claimed in claim 2, wherein: the supporting seat comprises a vertical plate and a positioning plate, the vertical plate is vertically arranged, the positioning plate is horizontally arranged, the positioning plate is fixedly connected to the outer side of the lower portion of the vertical plate, the connecting plate and the second pressing plate are hinged to the supporting seat through the vertical plate, and the pressing device is fixedly connected to the base through the positioning plate.
4. The carbon fiber long propeller blade trimming fixture as claimed in claim 2, wherein: the connecting rod is provided with an external thread, the pressure head is provided with an internal thread, the second pressing plate is of a hollow structure, the top end of the second pressing plate is fixedly connected with a fixing plate, the fixing plate is provided with a positioning hole for the connecting rod to pass through, the top end of the connecting rod is fixed on the fixing plate through a nut, and the bottom end of the connecting rod is in threaded connection with the pressure head.
5. The carbon fiber long propeller blade trimming fixture as claimed in claim 2, wherein: the longitudinal section of the pressure head is trapezoidal.
6. The carbon fiber long propeller blade trimming fixture as claimed in claim 2, wherein: the air exhaust holes are arranged in an annular array, and are uniformly arranged in the fixing groove at intervals.
7. The carbon fiber long propeller blade edging fixture as claimed in any one of claims 1 to 6, wherein: the number of fixed slots is two, all is fixed with two closing device on the base of every fixed slot both sides.
8. The carbon fiber long propeller blade edging fixture as claimed in any one of claims 1 to 6, wherein: and an anti-skid rubber pad is fixedly connected to the bottom surface of the pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510112.2U CN211891083U (en) | 2020-04-09 | 2020-04-09 | Carbon fiber long propeller oar limit trimming fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510112.2U CN211891083U (en) | 2020-04-09 | 2020-04-09 | Carbon fiber long propeller oar limit trimming fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211891083U true CN211891083U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020510112.2U Active CN211891083U (en) | 2020-04-09 | 2020-04-09 | Carbon fiber long propeller oar limit trimming fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211891083U (en) |
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2020
- 2020-04-09 CN CN202020510112.2U patent/CN211891083U/en active Active
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