CN214137145U

CN214137145U - Anti-deformation stacked die structure of thin-wall product

Info

Publication number: CN214137145U
Application number: CN202023331465.5U
Authority: CN
Inventors: 郭新月
Original assignee: Beijing Jiabao Boya Auto Parts Co ltd
Current assignee: Beijing Jiabao Boya Auto Parts Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-07
Anticipated expiration: 2030-12-30

Abstract

The application discloses thin wall product's shape stack mould structure of preapring for an unfavorable turn of events, its slip direction that includes the die is along the horizontal direction, including stable connection in the direction subassembly of die, direction subassembly guide die removes along the drawing of patterns direction of die, the direction subassembly includes can dismantle the slide mechanism who is connected with the die, slide mechanism includes the support frame of being connected with the die is stable, the direction subassembly still includes the sliding block of being connected with the support frame is stable, the direction subassembly still including setting firmly in ground and with sliding block sliding connection's supporting rail, the drawing of patterns direction of die is followed to the slip direction between supporting rail and the sliding block. This application has the effect of stability when improving the die and removing.

Description

Anti-deformation stacked die structure of thin-wall product

Technical Field

The application relates to the technical field of mold stacking of injection molding machines, in particular to an anti-deformation mold stacking structure of a thin-wall product.

Background

The injection molding machine has a working principle similar to that of an injection syringe for injection, and is a technological process of injecting plastic in a plasticized molten state into a closed mold cavity by means of the thrust of a screw or a plunger, and obtaining a product after solidification and shaping. In order to improve the production effect of the injection molding machine, the injection molding machine selects a stack mold as a mold, and the common stack mold is usually installed and connected back to back by two single-layer molds.

The injection molding machine comprises two male dies and a female die block, the two male dies comprise an inner convex die connected with a fixed die plate of the injection molding machine and an outer convex die connected with a movable die plate, and the female die block comprises two female dies fixedly connected. A guide rod is arranged between the male die and the female die, and can guide the relative movement between the female die and the inner male die and between the female die and the outer male die, namely the guide rod can guide the relative movement between the female die and the male die.

The precision of the injection molding product of the injection molding machine has certain error within an allowable range, but the self mass of the female die is heavier, and the moment generated to the guide rod when the female die moves can cause the guide rod to deform to a certain extent.

The above prior art solutions have the following drawbacks: when the injection molding machine is used for injection molding of thin-wall products with the thickness of less than 1 mm or high precision, the circular runout of the female die along the theoretical moving direction has great influence on the product quality when the female die moves.

SUMMERY OF THE UTILITY MODEL

The utility model provides a thin wall product's shape stack mould structure of preapring for an unfavorable turn of events, its effect that has die mobility stability when improving the stack mould and moulding plastics.

The technical purpose of the application is realized by the following technical scheme:

the utility model provides a thin wall product's shape of preapring for an unfavorable turn of events fold mould structure, the slip direction of die is along the horizontal direction, including stable the direction subassembly of connecting in the die, direction subassembly guide die removes along the drawing of patterns direction of die, the direction subassembly includes can dismantle the slide mechanism who is connected with the die, slide mechanism includes the support frame of being connected with the die is stable, the direction subassembly still includes the sliding block of being connected with the support frame is stabilized, the direction subassembly still including setting firmly in ground and with sliding block sliding connection's supporting rail, the drawing of patterns direction of die is followed to the slip direction between supporting rail and the sliding block.

By adopting the technical scheme, when the female die and one of the male dies move along the horizontal direction, the guide rod between the male die and the female die supports and guides the female die and the male die, the female die drives the sliding block to move along the supporting guide rail relatively through the supporting frame, the guide assembly can simultaneously support the female die with heavier mass, the deformation generated by the moment applied to the guide rod between the male die and the female die is reduced, the potential deformation risks such as sinking, overturning, twisting and the like of the female die block in the moving process are effectively prevented, the moving stability of the female die can be improved, and the forming quality of a thin-wall product is ensured;

meanwhile, the friction resistance generated between the self mass of the female die and the guide rod when the female die moves is reduced.

The application is further configured to: a vertical surface passing through a center line of the sliding direction of the female die is a central surface;

the die is characterized in that a plurality of groups of guide assemblies are arranged on the die, each group of guide assemblies comprises two guide assemblies, and the two guide assemblies of each guide assembly are respectively positioned on two sides of the central plane.

Through adopting above-mentioned technical scheme, multiunit direction subassembly provides the support for the die jointly, further improves the stability that the die removed.

The application is further configured to: two of the guide assemblies of the same group are symmetrically arranged along a central plane.

By adopting the technical scheme, the acting force of the same group of guide assemblies on the female die is in the horizontal plane, the component forces perpendicular to the moving direction of the female die can be balanced with each other, and the symmetrically arranged guide assemblies stably support the female die.

The application is further configured to: the support frame is provided with a connecting hole, and the sliding mechanism comprises a connecting screw which penetrates through the connecting hole and is in threaded connection with the female die.

By adopting the technical scheme, the connecting screw penetrates through the connecting hole and then is fixedly connected with the female die, so that the support frame and the female die are fixedly connected.

The application is further configured to: the support frame includes the link of being connected with the die is stable, stable connection has the connecting block on the link, the connecting block can be dismantled with the sliding block and be connected the stable of realization support frame and sliding block and be connected.

By adopting the technical scheme, the stable connection between the connecting frame and the sliding block is realized through the connecting block; the connecting block is stably connected with the sliding block, so that the connecting frame and the sliding block can be conveniently matched, and the supporting frame and the sliding block can be conveniently installed.

The application is further configured to: and a fastening bolt in threaded connection with the sliding block is arranged on the connecting block in a penetrating manner.

Through adopting above-mentioned technical scheme, select for use the standard sliding block, the reduce cost sliding block realizes through fastening bolt that be connected between connecting block and the sliding block is fixed, simple to operate is swift.

The application is further configured to: the adjustable screw is arranged on the connecting frame, the guiding assembly further comprises an adjusting assembly, the adjusting assembly comprises an adjusting threaded sleeve, the adjusting threaded sleeve is connected with the connecting frame through adjusting screw threads, the connecting frame is connected with the adjusting threaded sleeve through adjusting screw threads, the adjusting assembly further comprises a fixing bolt, and the fixing bolt penetrates through the adjusting threaded sleeve to be connected with the sliding block through threads.

Through adopting above-mentioned technical scheme, will adjust the swivel nut and adjust the screw threaded connection back, pass regulation swivel nut and sliding block threaded connection with fixing bolt again, make fixing bolt's nut contradict with regulation swivel nut and compress tightly, realize fixing bolt and to the stable connection between link and the sliding block, adjust the relative position between swivel nut and the link through rotating regulation swivel nut adjustment, can adjust the connection range between adjusting bolt and the sliding block, be convenient for adjusting bolt's installation, the horizontal guide rail that the supporting rail is fixed, be provided with the horizontally guide bar between terrace die and the die simultaneously equally, can adjust slide mechanism's height through adjusting swivel nut and adjusting bolt, make horizontal guide rail and guide bar be close parallel, reduce the moving resistance.

The application is further configured to: the connecting frame comprises a transverse frame, a transition frame and a vertical frame which are sequentially connected and fixed;

the transverse frame is fixedly connected with the female die, and the vertical frame is fixedly connected with the sliding block.

Through adopting above-mentioned technical scheme, realize being connected of support frame and die through the crossbearer, erect the frame and realize being connected of support frame and sliding block, the transition frame can set up the adaptability shape and cooperate with current injection molding machine, avoids the interference to the injection molding machine.

The application is further configured to: the supporting guide rail is a convex guide rail, and a sliding groove matched with the supporting guide rail is formed in the sliding block.

By adopting the technical scheme, the convex guide rail can stably support the sliding block in the vertical direction, and the stability of the sliding block and the support guide rail in the horizontal plane during sliding can be improved.

In summary, the present application includes at least one of the following benefits:

1. when the female die and one of the male dies move along the horizontal direction, the guide rod between the male dies supports and guides the female die and the male dies, meanwhile, the female die drives the sliding block to move relatively along the support guide rail through the support frame, the guide assembly can simultaneously support the female die with heavier mass, the deformation generated by the moment applied to the guide rod between the male dies and the female dies is reduced, the moving stability of the female dies can be improved, and the forming quality of thin-wall products is ensured; meanwhile, the friction resistance generated between the self mass of the female die and the guide rod when the female die moves is reduced;

2. the stable connection between the connecting frame and the sliding block is realized through the connecting block; the connecting block is stably connected with the front part of the sliding block, so that the matching between the connecting frame and the sliding block and the installation between the supporting frame and the sliding block are facilitated;

3. after will adjusting swivel nut and adjusting screw threaded connection, pass adjusting swivel nut and sliding block threaded connection with fixing bolt again, make fixing bolt's nut and adjusting swivel nut conflict and compress tightly, realize fixing bolt and to the stable connection between link and the sliding block, adjust the relative position between swivel nut and the link through rotating the adjustment swivel nut, can adjust the connection range between adjusting bolt and the sliding block, the installation of the adjusting bolt of being convenient for, it is the biggest to enable the threaded connection length between adjusting bolt and the sliding block simultaneously, improve the stability of being connected between adjusting bolt and the sliding block.

Drawings

FIG. 1 is a schematic view showing the overall structure of the upper part of the injection molding machine according to the first embodiment;

FIG. 2 is a schematic view showing the structure of a sliding mechanism according to the first embodiment;

fig. 3 is an exploded view of the connection between the sliding mechanisms according to the first embodiment.

In the figure, 11, a female die; 12. a male die; 2. a sliding mechanism; 21. a support frame; 211. a connecting frame; 2111. a cross frame; 2112. a transition frame; 2113. erecting; 212. connecting blocks; 22. connecting holes; 23. a yielding groove; 24. fixing the bolt; 25. adjusting a threaded sleeve; 26. fastening a bolt; 3. a slider; 4. and supporting the guide rail.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings, in which the stable connection includes a detachable fixed connection and a non-detachable fixed connection between two features.

Example one

Referring to fig. 1, for this application, it discloses a deformation stack mould structure of preapring for an unfavorable turn of events of thin wall product, including the guide assembly who stably connects in die 11, guide assembly guide die 11 slides along the horizontal direction, and guide assembly guide die 11 moves along the drawing of patterns direction of die 11.

The guiding assembly comprises a sliding mechanism 2 detachably connected with the female die 11. The sliding mechanism 2 comprises a support frame 21 stably connected with the female die 11, connecting holes 22 are formed in the support frame 21, the number of the connecting holes 22 is four, the axis of each connecting hole 22 is in the horizontal direction and perpendicular to the demolding direction of the female die 11, and each connecting hole 22 is a stepped hole penetrating through the support frame 21. The female die 11 is provided with a threaded hole corresponding to the connecting hole 22, the sliding mechanism 2 comprises a connecting screw which penetrates through the connecting hole 22 and is in threaded connection with the female die 11, the connecting screw is not shown in the drawing, a nut of the connecting screw is located in the connecting hole 22, and the supporting frame 21 and the female die 11 are fixedly connected through the connecting screw.

Referring to fig. 2, the support frame 21 includes a coupling frame 211 stably coupled to the female mold 11. The connecting frame 211 is approximately L-shaped with an opening facing downwards and facing the female die 11, and the connecting frame 211 comprises a transverse frame 2111, a transition frame 2112 and a vertical frame 2113 which are connected and fixed in sequence; the transverse frame 2111 is fixedly connected with the female die 11, and the vertical frame 2113 is fixedly connected with the sliding block 3. The inner side of the transition frame 2112 is set to be in an adaptive shape matched and avoided with the existing injection molding machine, and the inner side of the transition frame 2112 is in an arc shape, so that interference to the injection molding machine is avoided. The support frame 21 is connected with the female die 11 through the transverse frame 2111, and the support frame 21 is connected with the sliding block 3 through the vertical frame 2113.

Referring to fig. 2 and 3, the groove of stepping down 23 has been seted up on the link 211, the groove of stepping down 23 is seted up on the link 211 upper surface, and run through the link 211 one side of die 11 dorsad, the regulation screw has been seted up to the spread groove bottom surface, the guide assembly still includes the adjustment subassembly, the adjustment subassembly is including adjusting swivel nut 25, it is connected through adjusting screw thread to adjust swivel nut 25 and link 211, it is provided with rather than integrated into one piece's hexagonal ring to adjust swivel nut 25 outside one end, it is provided with the external screw thread to adjust the swivel nut 25 outside.

The supporting frame 21 further comprises a connecting block 212 which is stably connected with one end, far away from the female die 11, of the connecting frame 211, the connecting block 212 is a rectangular block, the adjusting assembly further comprises a fixing bolt 24, and the fixing bolt 24 penetrates through the adjusting threaded sleeve 25 to be in threaded connection with the connecting block 212.

After the adjusting threaded sleeve 25 is in threaded connection with the adjusting threaded hole, the fixing bolt 24 penetrates through the adjusting threaded sleeve 25 to be in threaded connection with the sliding block 3, a nut of the fixing bolt 24 is abutted against the adjusting threaded sleeve 25 to be compressed, stable connection between the connecting frame 211 and the sliding block 3 by the fixing bolt 24 is achieved, the relative position between the adjusting threaded sleeve 25 and the connecting frame 211 is adjusted by rotating the adjusting threaded sleeve 25, the connecting range between the adjusting bolt and the sliding block 3 can be adjusted, and the mounting of the adjusting bolt is facilitated.

Referring to fig. 2 and 3, the guiding assembly further includes a sliding block 3 stably connected to the supporting frame 21, the sliding block 3 is an existing sliding block 3 selected in the present embodiment, and the sliding block 3 is provided as a sliding block 3 having a square sliding groove on one side in another embodiment. Four threaded holes are formed in the sliding block 3, the connecting block 212 is back to the surface of the sliding block 3, stepped holes penetrating through the connecting block 212 are formed in the surface of the sliding block 3, four fastening bolts 26 in threaded connection with the sliding block 3 are arranged on the connecting block 212 in a penetrating mode, and the connecting block 212 and the sliding block 3 can be detachably connected to achieve stable connection of the sliding block 3 and the supporting frame 21.

The guide assembly further comprises a support guide rail 4 fixedly arranged on the ground and connected with the sliding block 3 in a sliding mode, the support guide rail 4 is a linear guide rail fixed on a base plate of the injection molding machine, the support guide rail 4 is a convex guide rail, the support guide rail 4 is a guide rail matched with the sliding block 3 at present, a sliding groove matched with the support guide rail 4 is formed in the sliding block 3, and the sliding direction between the support guide rail 4 and the sliding block 3 is along the demolding direction of the concave die 11. The convex guide rail can stably support the sliding block 3 in the vertical direction, and can improve the stability of the sliding block 3 and the support guide rail 4 in the horizontal plane when sliding.

Referring to fig. 1, a vertical plane passing through a center line of the sliding direction of the die 11 is a center plane. The guiding assemblies are arranged in groups, in this embodiment in groups, on the female die 11. The same group of guide assemblies comprises two guide assemblies, the two guide assemblies of the same group of guide assemblies are respectively positioned on two sides of the central line of the sliding direction of the female die 11, and the two guide assemblies of the same group are symmetrically arranged along the central plane. In other embodiments, the two guide elements are disposed on the same side of the central plane.

The implementation principle of the above embodiment is as follows:

when the female die 11 and one of the male dies 12 move along the horizontal direction, the guide rod between the male die 12 and the female die 11 supports and guides the female die 11 and the male die 12, the female die 11 drives the sliding block 3 to move along the support guide rail 4 relatively through the support frame 21, the guide assembly can simultaneously support the female die 11 with heavier mass, the deformation generated by the moment received by the guide rod between the male die 12 and the female die 11 is reduced, the moving stability of the female die 11 can be improved, the circular runout of the female die 11 during moving is reduced, and therefore the forming quality of thin-wall products is guaranteed.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a thin wall product's shape stack mould structure of preapring for an unfavorable turn of events, the slip direction of die (11) is along the horizontal direction, its characterized in that: including the direction subassembly of stable connection in die (11), the drawing of patterns direction removal of direction subassembly guide die (11) along die (11), the direction subassembly includes slide mechanism (2) of being connected with can dismantle with die (11), slide mechanism (2) include support frame (21) of being connected with die (11) are stable, the direction subassembly still includes sliding block (3) of being connected with support frame (21) are stable, the direction subassembly is still including setting firmly in ground and with sliding block (3) sliding connection's supporting rail (4), the drawing of patterns direction of die (11) is followed to the slip direction between supporting rail (4) and sliding block (3).

2. The thin-walled product of claim 1 having a deformation-resistant stack mold structure, wherein: a vertical surface passing through a center line of the sliding direction of the female die (11) is a central surface;

the guiding component is provided with a plurality of groups on the female die (11), the guiding component comprises two guiding components in the same group, and the two guiding components of the guiding component in the same group are respectively positioned on two sides of the central plane.

3. The deformation-preventing stacked die structure of a thin-walled product according to claim 2, characterized in that: two of the guide assemblies of the same group are symmetrically arranged along a central plane.

4. The thin-walled product of claim 1 having a deformation-resistant stack mold structure, wherein: connecting holes (22) are formed in the supporting frame (21), and the sliding mechanism (2) comprises connecting screws which penetrate through the connecting holes (22) and are in threaded connection with the female die (11).

5. The deformation-preventing stacked die structure of a thin-walled product according to claim 4, characterized in that: support frame (21) include link (211) of being connected with die (11) are stable, stable connection has connecting block (212) on link (211), connecting block (212) can be dismantled with sliding block (3) and be connected the stable connection that realizes support frame (21) and sliding block (3).

6. The deformation-preventing stacked die structure of a thin-walled product according to claim 5, characterized in that: and a fastening bolt (26) in threaded connection with the sliding block (3) is arranged on the connecting block (212) in a penetrating manner.

7. The deformation-preventing stacked die structure of a thin-walled product according to claim 5, characterized in that: the adjustable screw hole is formed in the connecting frame (211), the guide assembly further comprises an adjusting assembly, the adjusting assembly comprises an adjusting threaded sleeve (25), the adjusting threaded sleeve (25) is in threaded connection with the connecting frame (211) through the adjusting screw hole, the adjusting assembly further comprises a fixing bolt (24), and the fixing bolt (24) penetrates through the adjusting threaded sleeve (25) and is in threaded connection with the sliding block (3).

8. The deformation-preventing stacked die structure of a thin-walled product according to claim 5, characterized in that: the connecting frame (211) comprises a transverse frame (2111), a transition frame (2112) and a vertical frame (2113) which are sequentially connected and fixed;

the transverse frame (2111) is fixedly connected with the female die (11), and the vertical frame (2113) is fixedly connected with the sliding block (3).

9. The thin-walled product of claim 1 having a deformation-resistant stack mold structure, wherein: the supporting guide rail (4) is a convex guide rail, and a sliding groove matched with the supporting guide rail (4) is formed in the sliding block (3).