CN2424908Y - Clamping device for fixing mould - Google Patents

Abstract

The utility model relates to the improvement of a mould fixing and clamping device. The improved mould fixing and clamping device is characterized in that a mould pressing clamping iron is composed of a lower clamping iron and an upper balance block which are in slide fit through an arc-shaped surface; one end of the clamping iron is in swing connection with a balance cushion block. The mould fixing and clamping device of the utility model overcomes the defects of a previous clamping device is required to be leveled by manual work according to moulds of different edge thickness, the operation is fussy, and the damage is easy. The rapid fixation of moulds can be realized, and the service life of the mould fixing and clamping device is extended.

Description

The mould fixed clamping device

Utility model is to the improvement of mould positioning and fixing with clamping device.

Mould fixes to clamp common employing shim on equipment, its effect is that mould is pressed on machinery base such as the die wall, the mould holder Tie Tong often adopts bar shaped or bridge architecture, when compaction mold, one end pressure is in die edge, and the leveling cushion block of other end liner and edge same thickness is to guarantee the shim level, shim Luo bolt is vertical, tightens shim Luo bolt Luo cap mould is fixed.Often need more mold exchange in the production, yet each mould basal plane edge thickness has nothing in common with each other, be the retaining clip iron balance, shim Luo bolt is in plumbness, need adjust pad thickness according to die edge, the a plurality of clamping elements of fixedly needs of one pair of mould, so the complicated trouble of die change adjustment bring inconvenience to practical operation.If shim imbalance, shim Luo bolt are subjected to the torsional moment effect to cause that Luo line distortion can not use easily.For satisfying the shim versatility requirement, the leveling cushion block of shim one end adopts Luo bolt form usually, by rotating Luo bolt adjustment height, makes shim keep balance, and shim Luo bolt is vertical.Yet the head area of leveling Luo bolt is less relatively also just little with the die wall contact-making surface, the tightening force that compaction mold is big makes bolt head produce bigger pressure to die wall, and big pressure causes the die wall distortion again easily, not only influence the installation accuracy of mould, also can cause the distortion of shim Luo bolt Luo line.In view of the foregoing, shim Luo bolt uses in the actual production just needs to change several times, and this kind is fixed the method for mould and uses till today always.

For overcoming the deficiency of above-mentioned prior art, Chinese patent 95228469 discloses a kind of improved mould fixed clamping device, it is to make shim by strip fluting iron plate, the gate character shape slide body that wears shim Luo bolt is placed on the shim, and shim one end is combined with the Luo bolt of leveling shim height by screw.Though the more traditional shim of patent shim improves to some extent, continue to use former shim structure but remain substantially, only be to improve laterally to move along shim to adjust shim Luo bolt, the leveling of shim remains by the bolt adjustment, still need artificial leveling shim in the use, same trouble, time-consuming, and leveling bolt head portion is still bigger to die wall pressure.

The purpose of utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of shim leveling convenient and swift, can adapt to different die edges, and it is vertical to remain shim Luo bolt, and operation is convenient, rapidly the mould fixed clamping device of fixed mould.

Another purpose of utility model is to provide a kind of mould fixed clamping device that can reduce die wall pressure.Utility model mould fixed clamping device, the main improvement is that the strip shim is changed into and can form according to following shim and last balance weight that cambered surface is slidingly matched, and leveling Luo bolt is changed into can be according to the leveling cushion block of shim swing, by the swing of shim according to cushion block, reach shim and last balance weight cambered surface slip counteracting die edge different-thickness and leveling pad thickness difference down, make that balance weight remains balance to shim Luo bolt face on the shim, do not need independent adjusting pad tile height just can guarantee the vertical all the time of shim Luo bolt thereby reach, not only make shim can adapt to different moulds, and can realize the fixing fast of mould.Specifically, utility model mould fixed clamping device comprises the compaction mold shim, shim Luo bolt, with shim leveling liner, it is characterized in that said compaction mold shim is made up of following shim and last balance weight that cambered surface is slidingly matched, said leveling liner is the cushion block that is connected with following shim swing.

The cambered surface of said shim down of utility model and last balance weight cooperates, main effect is when die edge and leveling liner thickness are inconsistent, relative slip by two curved surfaces can keep that balance weight remains balance to shim Luo bolt face on the shim, thereby guarantee the vertical all the time of shim Luo bolt, reach the fast leveling that shim can adapt to different moulds.It can be that the shim compaction mold back side is the cambered surface of indent that cambered surface cooperates, and last balance weight is the protruding cambered surface that cooperates with it; Also can be opposite, shim be protruding cambered surface, and last balance weight is the cambered surface of indent.The said leveling liner of utility model is connected with the swing of shim, mainly be a favourable integral body that makes each parts of shim for the mutual company of complying with, the convenient use, no specific (special) requirements, it can be that ball connects, hinged or similar connection that swing connects, make the shim can be according to leveling liner swing, a kind of swing preferably be connected to concavo-convex sphere and connects, and can bear bigger pressure like this and can not be out of shape.For adapting to the big difference in thickness of die edge, utility model also can on the leveling cushion block, be provided with again the leveling Luo bolt of making big varied in thickness and or the plug-in type cushion block, when die edge thickness has big variation, the Luo of coarse adjustment leveling in advance bolt, and then adjust to slide and go up balance weight, slide with compensation and go up the balance weight undercompensation.

Utility model be owing to need adjust the shim balance by rotating the Luo bolt one by one, therefore for reducing shim the pressure of die wall offered convenience.Utility model is to reduce the pressure of shim to die wall; prevent the excessive distortion that causes die wall of pressure; utility model is also taked to add big cushion block and is contacted the head area with die wall; making it has bigger contact area with die wall; can reduce the pressure of mould fixed clamping device like this, effectively protect die wall indeformable die wall.

Below in conjunction with two specific embodiment; further specify utility model; but it is qualification to the utility model protection scope that the specific constructive form of embodiment should not be construed as, and only otherwise depart from the unsubstantiality that the utility model design done and change, all truely uses novel protected scope.

Fig. 1 is the utility model first embodiment mould fixed clamping device sectional structure schematic diagram.

Fig. 2 is Fig. 1 plan structure schematic diagram.

Fig. 3 is for when die edge thickness clamping device view during greater than leveling liner height.

Fig. 4 is for when die edge thickness clamping device view during less than leveling liner height.

Fig. 5 is the utility model second embodiment mould fixed clamping device structural representation.

Embodiment 1: referring to Fig. 1,2, utility model mould fixed clamping device, shim by top be arc-shaped concave rectangle foundary weight block 3 and with upper end that the concave surface complementary fit can be slided along concave surface be that the rectangle balance block 2 on plane is formed, have the groove 7 of the interspersed shim Luo bolt 4 of strip on foundary weight 3 and the balance block 2, foundary weight cambered surface dorsal part one end connects a spacer block 5 by the spherical hinge joint 6 of a concavo-convex complementation, and articulated joint place has the spacing screw 9 of anti-sliding stop.Spacer block 5 heads be with shim with wide rectangle, increased the contact-making surface of cushion block and die wall like this, to the pressure of die wall, prevent that effectively die wall from deforming because of being subjected to big pressure when having reduced clamping mold.When die edge thickness during greater than spacer block thickness, the perk of following shim crimp end, last balance weight is to spacer block side shifting such as Fig. 3, to keep plane balancing on the balance weight; When die edge thickness during less than spacer block thickness, following shim crimp end has a downwarp, and last balance weight moves as Fig. 4 to die side, has kept plane balancing on the last balance weight.An amount of variation of die edge thickness is so all offset by the swing of shim and the curved surface slippage of foundary weight and balance weight, remains the balance of balance weight and shim Luo bolt contact-making surface, thereby guarantees the vertical of shim Luo bolt.If die edge thickness has bigger variation, also can or leveling Luo bolt be set and adjust (not providing among the figure) by the adjunction cushion block.

Embodiment 2: referring to Fig. 5 such as embodiment 1, wherein foundary weight 3 is protruding cambered surface, the concave surface of last balance weight 2 for being slidingly matched with it.Delineation is processed with to inhale and spends 8 on foundary weight cambered surface dorsal part and the mould contact surface, to strengthen the stationkeeping ability of shim to mould.

Utility model mould fixed clamping device, owing to adopt shim is decomposed into two cambered surfaces body that is slidingly matched, and fixed-bearing is connected with the shim swing, by being slidingly matched of two cambered surfaces shim crimp end is swung up and down, can remain balance weight and shim Luo bolt plane balancing, and do not need to adjust one by one liner thickness, guaranteed that effectively shim Luo bolt cheats eventually vertical, can adapt to different mold cramping fixes, thereby make the assembling mould simple and fast that becomes, can realize the fast-assembling quick change of mould, easy and simple to handle.The contact-making surface that liner and die wall are big has reduced the pressure to die wall relatively, effectively protects die wall indeformable.Utility model mould fixed clamping device not only can be realized the quick change fast-assembling of mould, and has effectively prolonged anchor clamps service life of shim Luo bolt especially.

For convenience of description, the said cambered surface of utility model, curved surface are synonym.

Claims (6)

1, a kind of mould fixed clamping device, comprise the compaction mold shim, shim Luo bolt and shim leveling liner, it is characterized in that said compaction mold shim is made up of following shim and last balance weight that cambered surface is slidingly matched, said leveling liner is the cushion block that is connected with following shim swing.

2, according to the described mould fixed clamping device of claim 1, it is characterized in that said cambered surface is slidingly matched to following shim is a concave surface, last balance weight is a convex surface.

3,, it is characterized in that said shim down and mould contact surface place are processed with the suction flower according to claim 1 or 2 described mould fixed clamping devices.

4,, it is characterized in that said cushion block swing is connected to concavo-convex sphere and connects according to claim 1 or 2 described mould fixed clamping devices.

5,, it is characterized in that said cushion block head is a rectangle according to claim 1 or 2 described mould fixed clamping devices.

6,, it is characterized in that also having leveling Luo bolt and/or plug-in type cushion block on the said leveling cushion block according to claim 1 or 2 described mould fixed clamping devices.

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