CN211662447U - Mold clamping device - Google Patents

Abstract

The utility model discloses a mold clamping device, it includes: upper half and lower half, it still includes: support structure and connecting plate that fix the frame with upper half and lower half respectively, the upper half includes: the square tube is provided with a mounting fixed convex plate arranged at the bottom of the square tube and a convex block fixed below the mounting fixed convex plate; the supporting structure comprises a fixed plate and a supporting plate arranged on the fixed plate, wherein a waist-shaped groove is formed in the supporting plate, and the fixed plate is fixedly connected with the square tube; the two ends of the connecting plate are fixedly connected with the frame and the lower half part respectively. The device not only can realize complete self-holding and need not any manpower intervention, provide enough and impartial clamp force, can also provide the fine setting function of clamp position in the part to solve the dislocation problem in the mould use, when the position that the hasp easily abraded needs the replacement, need not whole replacement simultaneously, practiced thrift the cost, improved work efficiency.

Description

Mold clamping device

Technical Field

The utility model relates to a wind turbine blade mould field specifically is a mould clamping device.

Background

Wind energy is increasingly gaining attention as a clean renewable energy source in all countries of the world. The energy storage capacity is huge, the global wind energy is about 2.74 multiplied by 109MW, and the available wind energy is 2 multiplied by 107MW which is 10 times larger than the total amount of water energy which can be developed and utilized on the earth. Wind is utilized by people for a long time, mainly water pumping, surface grinding and the like are realized through windmills, people are interested in how to utilize wind to generate electricity at present, and the principle of wind power generation is that wind power is utilized to drive blades of the windmills to rotate, and then the rotating speed is increased through a speed increaser to promote a generator to generate electricity. According to the current wind power generation technology, the power generation can be started at a breeze speed of about three meters per second. Wind power generation is forming a hot tide in the world because it has no fuel problems and does not produce radiation or air pollution.

With the rapid development of clean energy in China, the wind power industry is rapidly developed, the megawatt level of the wind power blade is larger and larger, the length of the wind power blade is from forty meters originally to eighty meters now, the wind power blade is lengthened day by day, the length of the die is lengthened, and the web plate of the wind power blade is also larger and longer.

Clamping together of two halves of a large mould has been a challenge for manufacturers of large modular moulds, in particular wind turbine blade moulds, and various manual clamping devices have been tried, for example: c-clamps, toggle clamps, and the use of bolts to simply combine the two halves together. These methods are labor intensive, do not provide an equal clamping force, and rely on careful operator application and removal for proper application. Although the prior art can realize completely automatic clamping and ensure enough and even clamping force, the clamping device needs to be welded and fixed on two sides of a die and can only be adjusted up and down in the cross section direction, and the longitudinal deformation which can be generated in the die manufacturing process cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to solve the defects of the prior art, the utility model provides a mold clamping device, the device not only can realize complete self-holding and do not need any manpower to intervene, provide enough and impartial clamp force, can also provide clamping position fine setting function in the part to solve the dislocation problem in the mould use, need not whole replacement simultaneously when the position of hasp easy wearing and tearing needs the replacement, practiced thrift the cost, improved work efficiency.

The technical scheme is as follows: in order to achieve the above object, the utility model provides a mold clamping device, it includes: upper half and lower half, it still includes: a support structure and a connecting plate for fixing the upper half part and the lower half part on the frame respectively;

the upper half part comprises: the square tube is provided with a mounting fixed convex plate arranged at the bottom of the square tube and a convex block fixed below the mounting fixed convex plate;

the supporting structure comprises a fixing plate and a supporting plate arranged on the fixing plate, a waist-shaped groove is formed in the supporting plate 102, and the fixing plate 101 is fixedly connected with the square tube 16;

and two ends of the connecting plate are fixedly connected with the frame and the lower half part respectively.

As a further preferred aspect of the present invention, the bump is provided with a stopper.

As the utility model discloses a further preferred, the stopper pass the groove back on the fixed lug board of installation, the bolt is spacing to it by the nut after passing the hole on the fixed lug board of installation and the stopper in proper order, guaranteed the reliability and the stability of connecting.

As a further preferred aspect of the present invention, the limiting block and the groove on the installation fixing convex block plate are connected by a transition fit.

As the utility model discloses a further preferred, the lug pass the lug in proper order through construction bolt and the hole on the fixed lug board of installation, fix the lug in the below of the fixed lug board of installation, set up this structure into can dismantle the connection, when the position that makes the easy wearing and tearing of hasp needs the replacement, need not whole replacement, practiced thrift the cost.

As a further preferred aspect of the present invention, the opening hole is a waist-shaped hole.

As a further preferred aspect of the present invention, the protrusion has a pin that is engaged and clamped with the lower half portion.

As a further preferred aspect of the present invention, the fixing plate and the supporting plate are fixed together by a screw connection.

As a further preferred aspect of the present invention, the connecting plate and the lower half portion are welded together.

Has the advantages that: a mold clamping device, compare with prior art, have following advantage:

1. the clamping device can be completely and automatically clamped without any human intervention;

2. enough and equal clamping force can be provided through the oil cylinders, and the requirements of the die can be met by selecting the oil cylinders with different parameters;

3. the housing can prevent the oil cylinder from being protected from clay, resin and the like during blade production, and can encapsulate the whole lower half part, so that the oil cylinder can protect operators;

4. the upper part of the clamping device is fixed with the connecting plate through a fastener, so that the position can be adjusted, and the possible dislocation of the die in the use process can be corrected;

5. the limiting requirements of different molds are met by selecting the concave-convex block group or the flat head block on the clamping device;

6. when the parts of the lock catch which are easy to wear need to be replaced, the whole part does not need to be replaced, the cost is saved, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic view of the installation of the present invention;

fig. 2 is a schematic structural diagram of the present invention during installation;

fig. 3 is a left side view of the present invention;

FIG. 4 is an exploded view of the upper half;

fig. 5 is an exploded view of a partial view of the lower half.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

As shown in fig. 1, the mold clamping device of the present invention comprises an upper half 1, a lower half 2, a supporting structure 10 and a connecting plate 20.

The upper half 1 of the clamping device is provided with a pin 11, the pin 11 extends a distance from the upper half 1, the lower half 2 is provided with a clamping link 28 with a hook, the clamping link 28 is provided with two holes, one guide pin 21 passes through each hole, the two guide pins 21 also pass through the holes on the cylinder 29 and can move along a preset guide groove 2001 on the shell 200 of the lower half 2 under the driving of the cylinder 29, so that the hook on the clamping link 28 is engaged with or disengaged from the pin 11 of the upper half 1, and the locking or unlocking effect is achieved.

The guide groove 2001 of the upper portion of the housing 200 is formed by first forming a straight portion and then forming a curved portion from bottom to top, so that the hook portion of the clamp link 28 is pushed out upward and outward instead of moving straight upward. The cylinder 29 is mounted inside the housing 200, and the housing 200 is also surrounded by a cover 225, so that the cylinder 29 and all internal parts are protected from the clay and resin used for blade production.

Examples

As shown in fig. 1, the clamping device of the present invention is mounted to the peripheral joint area of two halves of a mould, in particular a mould for a wind turbine blade, wherein the mould is mounted on a frame 3.

As shown in fig. 2 and 3, the clamping device comprises an upper half part 1 and a lower half part 2, which are respectively fixed on the upper half part and the lower half part of a frame 3 through a supporting structure 10 and a connecting plate 20, wherein the fixed plate 101 and the square tube 16 are welded together, the supporting plate 102 and the fixed plate 101 are connected together through a bolt, the supporting plate 102 is provided with a waist-shaped hole, the height of the upper half part 1 is adjusted through the waist-shaped hole, the dislocation which can occur in the use process of the die is corrected, the upper half part 1 of the clamping device is provided with a pin 1, and a clamping link 28 with a hook part is arranged in the lower half part 2, the clamping link 28 can be driven by a preset driving device such as an oil cylinder 9, between a position i, in which the hook engages the pin 1 (locking position), and a position ii, in which the hook is spaced from the pin 1 (opening position, indicated by a broken line in figure 3).

As shown in fig. 4, the upper part 1 of the clamping device comprises a pin 11, a projection 12, a mounting bolt 13, a plate 14 for mounting and fixing the projection, a nut 15, a square tube 16, a bolt 17 and a limit block 18.

Be equipped with stopper 18 on the lug 12, after stopper 18 passed the groove on the fixed lug plate of installation 14, bolt 17 passed the hole on the fixed lug plate of installation 14 and stopper 18 in proper order, was spacing to lug 12 and the fixed lug plate of installation 14 by nut 15, and the groove on stopper 18 and the fixed lug plate of installation 14 is connected through transition fit's mode, lug 12 pass lug 12 and the hole on the fixed lug plate of installation 14 in proper order through construction bolt 13 and fix lug 2 in the below of the fixed lug plate of installation 14, lug 12 on open the hole and be waist type hole, can carry out the fine setting of horizontal direction with clamping device.

As shown in fig. 5, the lower half 2 includes a housing 200, the housing 200 has a rectangular parallelepiped shape and has at least one open face to facilitate mounting and dismounting of internal components, and a cover 225 is detachably mounted on the open face by screws to cover the open face. However, the cover 225 covers only a part of the open face to allow the hook portion of the clamp link 28 to protrude to the outside of the housing 200 through the uncovered portion of the open face.

Two upper and lower guide grooves 2001 are respectively formed on two opposite side walls of the housing 200, the upper guide grooves 2001 are straight and bent obliquely upward in sequence from bottom to top, and the lower guide grooves 2001 are straight in sequence from bottom to top. This causes the hook portions on the clamp links 28 to move in a straight line up and then in an arc outward as the mold is opened. The upper guide groove 2001 and the lower guide groove 2001 are respectively for accommodating two guide pins 21 passed through the mounting holes on the clamp link 28 to allow the two guide pins 21 to slide therein, the upper guide pin 21 is passed through the upper hole of the clamp link 28, and also passed through the output member on the cylinder 29, so that the cylinder 29 is connected to the clamp link 28 and the cylinder 9 can apply a force to the clamp link 8, and the hook portion of the clamp link 28 is moved away from the pin 11 of the upper half portion 1 by the cooperation of the guide pins 21 and the guide grooves 2001 when the clamp link 8 receives an upward force to start moving upward as a whole under the force of the cylinder 9; and when the clamp link 28 starts moving downward as a whole upon receiving a downward force, the hook portion of the clamp link 28 moves into engagement with the pin 11 of the upper half 1 by the cooperation of the guide pin 21 and the guide groove 2001.

The parameters of the cylinder 29 may be determined according to the requirements of the mould, for example, its diameter may be from 30mm to 60mm, and the clamping force may be, for example, 500 to 3000 kg.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims (9)

1. A mold clamping device comprising an upper half (1) and a lower half (2), characterized in that: it still includes: a support structure (10) and a connecting plate (20) which respectively fix the upper half part (1) and the lower half part (2) on the frame (3);

the upper half (1) comprises: the square tube (16), the installation fixed convex block plate (14) installed at the bottom of the square tube (16) and the convex block (12) fixed below the installation fixed convex block plate (14);

the supporting structure (10) comprises a fixing plate (101) and a supporting plate (102) arranged on the fixing plate (101), wherein a waist-shaped groove is formed in the supporting plate (102), and the fixing plate (101) is fixedly connected with the square tube (16);

and two ends of the connecting plate (20) are fixedly connected with the frame (3) and the lower half part (2) respectively.

2. The mold clamping device of claim 1, wherein: the bump (12) is provided with a limiting block (18).

3. The mold clamping device of claim 2, wherein: after the limiting block (18) penetrates through the groove on the fixed convex block mounting plate (14), the bolt (17) sequentially penetrates through the holes on the fixed convex block mounting plate (14) and the limiting block (18) and is limited by the nut (15).

4. The mold clamping device of claim 3, wherein: the limiting block (18) is connected with the groove on the installation fixing convex plate (14) in a transition fit mode.

5. The mold clamping device of claim 1, wherein: the lug (12) sequentially penetrates through the lug (12) and the holes on the mounting and fixing lug plate (14) through a mounting bolt (13), and the lug (12) is fixed below the mounting and fixing lug plate (14).

6. The mold clamping device of claim 5, wherein: the opening hole on the convex block (12) is a waist-shaped hole.

7. The mold clamping device of claim 1, wherein: and a pin (11) matched and clamped with the lower half part (2) is arranged on the convex block (12).

8. The mold clamping device of claim 1, wherein: the fixing plate (101) and the supporting plate (102) are fixed together in a threaded connection mode.

9. The mold clamping device of claim 1, wherein: the connecting plate (20) and the lower half part (2) are welded together.

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