CN210161557U

CN210161557U - Die clamping mechanism with high stability

Info

Publication number: CN210161557U
Application number: CN201920255620.8U
Authority: CN
Inventors: 熊延开
Original assignee: Kunshan Yichangkai Precision Mould Co Ltd
Current assignee: Kunshan Yichangkai Precision Mould Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-03-20
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to the technical field of mold clamping mechanisms, in particular to a mold clamping mechanism with high stability, which solves the defect of poor mold clamping stability in the prior art and comprises a lower template and an upper template, wherein the upper template is arranged right above the lower template, and both sides of the top of the lower template and both sides of the bottom of the upper template are provided with stabilizing grooves, the top of the upper template is fixed with an upper fixing plate through bolts, one side of the bottom of the upper fixing plate is fixed with a lead screw through bolts, the outside of the lead screw is provided with a ball nut, the outside of the ball nut is sleeved with a gear, and through the arrangement of the stabilizing grooves, reinforcing blocks, clamping grooves, clamping blocks, gears, racks and other structures, after the mold is clamped, the clamping blocks are automatically clamped into the clamping grooves, so that the upper template and the lower template are mutually clamped, and the shaking and dislocation between the, effectively overcomes the defect of poor die assembly stability and improves the production quality of products.

Description

Die clamping mechanism with high stability

Technical Field

The utility model relates to a locking mechanism technical field especially relates to a locking mechanism with high stability.

Background

The mold closing device is generally composed of a front fixed mold plate, a rear fixed mold plate, a movable mold plate, a pull rod, a movable mold plate driving device and the like, and is a main component of a mold closing system of an injection molding machine.

The mold closing mechanism used in the prior art is simple, after mold closing, the upper mold plate and the lower mold plate are not connected, the positions of the upper mold plate and the lower mold plate are often deviated due to the vibration force of equipment after mold closing, the stability of mold closing is low, and the production quality of products is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that there is compound die poor stability among the prior art, and the locking mechanism who has high stability that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a locking mechanism with high stability, includes lower bolster and cope match-plate pattern, the cope match-plate pattern sets up directly over the lower bolster, and the top both sides of lower bolster and the bottom both sides of cope match-plate pattern have all seted up firm groove, there is an upper fixing plate at the top of cope match-plate pattern through the bolt fastening, there is the lead screw bottom one side of upper fixing plate through the bolt fastening, and the outside of lead screw is equipped with ball nut, ball nut's outside cover is equipped with the gear, gear revolve installs the both sides of lower bolster, and gear engagement is connected with the rack, the rack slides and sets up the top of lower bolster, and one side of rack has the connecting plate through the screw fastening, and the both sides of connecting plate all have the reinforcing piece through hexagonal screw fastening.

Preferably, a through hole is formed in the center of the gear, and the ball nut is welded and fixed inside the through hole.

Preferably, one side of the reinforcing block is provided with a clamping block of an integrated structure, a clamping groove is formed in the stabilizing groove, the cross-sectional area of the clamping groove is equal to that of the clamping block, and the number of the clamping grooves and the number of the clamping blocks are two.

Preferably, the top of the lower template is provided with a sliding groove, one end of the rack is welded with a sliding block, and the sliding block is connected with the inside of the sliding groove in a sliding manner.

Preferably, the two sides of the lower template are both fixed with fixing blocks through screws, round holes are formed in the fixing blocks, and the lead screws are embedded into the round holes.

Preferably, the two sides of the lower template are both fixed with support rods through bolts, one side of the bottom of the gear is provided with a circular groove, and one end of each support rod is connected with the inside of the circular groove in a sliding mode.

The utility model has the advantages that: the utility model discloses in through the setting of firm groove, reinforcing block, draw-in groove, fixture block, gear, rack isotructure, after the mould compound die, the inside of draw-in groove is gone into to the automatic card of fixture block, makes and blocks each other between cope match-plate pattern and the lower bolster, has avoided shaking the dislocation between cope match-plate pattern and the lower bolster behind the compound die, has solved the shortcoming of compound die poor stability effectively, has improved the production quality of product.

Drawings

Fig. 1 is a schematic front structural view of a mold clamping mechanism with high stability according to the present invention;

fig. 2 is a side view of a mold clamping mechanism with high stability according to the present invention;

fig. 3 is a schematic structural diagram of a reinforcing block according to the present invention;

fig. 4 is an enlarged view of the mold clamping mechanism with high stability at the position of reference mark a.

In the figure: the device comprises a lower template 1, an upper template 2, a lead screw 3, a gear 4, a connecting plate 5, a rack 6, a reinforcing block 7, a ball nut 8, a fixing block 9, a sliding groove 10, a stabilizing groove 11, a clamping groove 12, a clamping block 13, a circular groove 14 and a supporting rod 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a high-stability mold clamping mechanism comprises a lower template 1 and an upper template 2, wherein the upper template 2 is arranged right above the lower template 1, stabilizing grooves 11 are respectively formed in two sides of the top of the lower template 1 and two sides of the bottom of the upper template 2, an upper fixing plate is fixed at the top of the upper template 2 through bolts, a lead screw 3 is fixed at one side of the bottom of the upper fixing plate through bolts, a ball nut 8 is assembled outside the lead screw 3, a gear 4 is sleeved outside the ball nut 8, a through hole is formed in the center of the gear 4, the ball nut 8 is welded inside the through hole, the gear 4 is rotatably installed at two sides of the lower template 1, support rods 15 are fixed at two sides of the lower template 1 through bolts, a circular groove 14 is formed in one side of the bottom of the gear 4, one end of each support rod 15 is slidably connected with the inside of the circular groove 14, the rack 6 is arranged at the top of the lower template 1 in a sliding manner, a connecting plate 5 is fixed on one side of the rack 6 through screws, reinforcing blocks 7 are fixed on two sides of the connecting plate 5 through hexagon screws, a clamping block 13 of an integrated structure is arranged on one side of each reinforcing block 7, a clamping groove 12 is formed in each stabilizing groove 11, the stabilizing grooves 11, the reinforcing blocks 7, the clamping grooves 12, the clamping blocks 13, the gears 4, the rack 6 and the like are arranged, after the die is closed, the clamping blocks 13 are automatically clamped in the clamping grooves 12, so that the upper template 2 and the lower template 1 are mutually clamped, the shaking and dislocation between the upper template 2 and the lower template 1 after the die is closed are avoided, the defect of poor stability of the die is effectively overcome, the production quality of products is improved, the cross sectional area of each clamping groove 12 is equal to the cross sectional area of each clamping block 13, the number of each clamping groove 12 and each clamping block 13, the welding of the one end of rack 6 has the slider, and the inside sliding connection of slider and spout 10, the both sides of lower bolster 1 all are fixed with fixed block 9 through the screw, and the round hole has been seted up to fixed block 9's inside, and lead screw 3 imbeds in the inside of round hole.

In this embodiment, when the mold is closed, the upper mold plate 2 moves downwards, the lead screw 3 is driven to move downwards, according to the lead screw principle, because the height of the ball nut 8 is unchanged, the lead screw 3 moves downwards in the fixing block 9, when the lead screw 3 does not rotate, the ball nut 8 is driven to rotate, the driving gear 4 rotates, the gear 4 is meshed with the rack 6, the rack 6 slides at the top of the lower mold plate 1, the reinforcing block 7 rigidly connected with the rack is driven to move towards the middle, after the mold closing is completed, the reinforcing block 7 just moves into the inside of the stabilizing groove 11, meanwhile, the clamping block 13 is also clamped into the inside of the clamping groove 12, the clamping block 13 and the clamping groove 12 are clamped into each other, the upper mold plate 2 and the lower mold plate 1 are clamped together after the mold closing, the connection between the upper mold plate 2 and the lower mold plate 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The die clamping mechanism with high stability comprises a lower die plate (1) and an upper die plate (2), and is characterized in that the upper die plate (2) is arranged right above the lower die plate (1), stabilizing grooves (11) are formed in two sides of the top of the lower die plate (1) and two sides of the bottom of the upper die plate (2), an upper die fixing plate is fixed to the top of the upper die plate (2) through bolts, a lead screw (3) is fixed to one side of the bottom of the upper die fixing plate through bolts, a ball nut (8) is assembled outside the lead screw (3), a gear (4) is sleeved on the outer side of the ball nut (8), the gear (4) is rotatably installed on two sides of the lower die plate (1), a rack (6) is connected to the gear (4) in a meshed mode, the rack (6) is slidably arranged at the top of the lower die plate (1), and a connecting plate (5) is fixed to one side of the rack (6), reinforcing blocks (7) are fixed on two sides of the connecting plate (5) through hexagon screws.

2. The clamping mechanism with high stability as claimed in claim 1, wherein a through hole is opened at the center of the gear (4), and the ball nut (8) is welded and fixed inside the through hole.

3. The clamping mechanism with high stability as claimed in claim 1, wherein one side of the reinforcing block (7) is provided with a clamping block (13) of an integrated structure, a clamping groove (12) is formed inside the stabilizing groove (11), the cross-sectional area of the clamping groove (12) is equal to that of the clamping block (13), and the number of the clamping grooves (12) and the number of the clamping blocks (13) are two.

4. The mold clamping mechanism with high stability as claimed in claim 1, wherein a sliding groove (10) is formed at the top of the lower template (1), a sliding block is welded at one end of the rack (6), and the sliding block is slidably connected with the inside of the sliding groove (10).

5. The mold clamping mechanism with high stability as claimed in claim 1, wherein fixing blocks (9) are fixed to both sides of the lower mold plate (1) through screws, a circular hole is formed in each fixing block (9), and the lead screw (3) is embedded in the circular hole.

6. The clamping mechanism with high stability as claimed in claim 1, wherein support rods (15) are fixed to both sides of the lower template (1) through bolts, a circular groove (14) is formed in one side of the bottom of the gear (4), and one end of each support rod (15) is slidably connected with the inside of the circular groove (14).