CN218256552U - Mold ejection mechanism for demolding of injection mold - Google Patents

Abstract

The utility model relates to the technical field of mold processing equipment, and discloses a mold ejection mechanism for demolding an injection mold, which comprises a lower mold, wherein the bottom of the lower mold is symmetrically provided with a containing groove; the utility model discloses a seted up on the bed die and accomodate the groove, and the internally mounted who accomodates the groove has the head rod, when the mould pushes down on the outside, the use of cooperation connecting block and second connecting rod, can make the roof accomodate in the recess, under reset spring's effect, the head rod resets, thereby drive the roof under the effect of second connecting rod and connecting block with the ejecting bed die of mould in, moreover, the steam generator is simple in structure, low in processing cost, there is the screw thread seat through the bottom threaded connection who accomodates the groove, can carry on spacingly to reset spring, cooperation stop nut's use, can dismantle the connecting block, twist and move the screw thread seat and from accomodating the inslot separation, alright take out from accomodating the groove with making reset spring, and then make things convenient for reset spring's change.

Description

Mold ejection mechanism for demolding of injection mold

Technical Field

The utility model relates to a mould processing equipment technical field specifically is a mould ejection mechanism is used in injection mold drawing of patterns.

Background

In the design of a mold, an ejection mechanism is an important component of the mold and mainly has the function of ejecting a formed part in a mold cavity or adhered to a mold core, the existing mold ejection mechanism for demolding an injection mold has certain problems in use, most of the existing mold ejection mechanisms for demolding an injection mold are complex in structure and require a lot of time in installation, external power equipment which is used in common use is used as ejection power, the production cost and the use cost are high, spring equipment for resetting is generally installed in the existing mold ejection mechanism for demolding an injection mold, the spring equipment is generally installed in the whole device of the ejection mechanism, along with long-term use, stress of a spring can be reduced, the spring is easily damaged for a long time, the working stability of the ejector pin retraction is influenced, but the spring is installed in the device, the whole ejection mechanism needs to be disassembled due to the great trouble of replacing, the time is wasted, and simultaneously, and the fatigue degree of workers is heavy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold is mould ejection mechanism for drawing of patterns possesses simple structure and the convenient advantage of changing, has solved the problem of the complicated and inconvenient change spring of structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold is mould ejection mechanism for drawing of patterns, includes the bed die, the groove of accomodating has been seted up to the bottom symmetry of bed die, the inside of accomodating the groove is provided with the head rod, and the head rod runs through to the top of bed die, the surface cover of head rod is equipped with reset spring, the inside of bed die is provided with the roof, the bottom symmetry bolt of roof has the second connecting rod, and head rod and second connecting rod run through to the bottom of bed die, the bottom symmetry of bed die is provided with the connecting block, the one end of head rod and second connecting rod all runs through to the bottom of bed die and establish with the connecting block cover.

Preferably, the lower die is internally provided with a groove, and the groove is matched with the top plate for use.

Preferably, the threaded ends of the first connecting rod and the second connecting rod are both in threaded connection with limit nuts, and the limit nuts are matched with the connecting blocks for use.

Preferably, the inner thread of the accommodating groove is connected with a thread seat, and the thread seat is sleeved with the first connecting rod.

Preferably, the surface of the first connecting rod is fixedly sleeved with a limiting block matched with a return spring for use.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up on the bed die and accomodate the groove to the internally mounted of accomodating the groove has the head rod, when the outside upper mold pushes down, the use of cooperation connecting block and second connecting rod can make the roof accomodate in the recess, after the mould processing finishes, under the effect of reset spring, the head rod resets to drive the roof under the effect of second connecting rod and connecting block and push out the mould in the bed die, simple structure, the processing cost is low;

the utility model discloses a there is the screw thread seat bottom threaded connection who accomodates the groove, can carry on spacingly to reset spring, and cooperation stop nut's use can be dismantled the connecting block, twists the screw thread seat and separates from accomodating the groove, alright take out from accomodating the groove with making reset spring, and then make things convenient for reset spring's change.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of a partial structure of the present invention.

In the figure: 1. a lower die; 2. a receiving groove; 3. a first connecting rod; 4. a return spring; 5. a top plate; 6. a second connecting rod; 7. connecting blocks; 8. a groove; 9. a limit nut; 10. a threaded seat; 11. and a limiting block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a mold ejection mechanism for demolding an injection mold comprises a lower mold 1, wherein a receiving groove 2 is symmetrically formed at the bottom of the lower mold 1, a first connecting rod 3 is arranged inside the receiving groove 2, the first connecting rod 3 penetrates through the top of the lower mold 1, a return spring 4 is sleeved on the surface of the first connecting rod 3, a top plate 5 is arranged inside the lower mold 1, a second connecting rod 6 is symmetrically bolted at the bottom of the top plate 5, the first connecting rod 3 and the second connecting rod 6 penetrate through the bottom of the lower mold 1, connecting blocks 7 are symmetrically arranged at the bottom of the lower mold 1, one end of each of the first connecting rod 3 and the second connecting rod 6 penetrates through the bottom of the lower mold 1 and is sleeved with the connecting block 7, the receiving groove 2 is formed on the upper surface of the lower mold 1, and the internally mounted who accomodates groove 2 has head rod 3, when the mould pushes down on the outside, cooperation connecting block 7 and the use of second connecting rod 6, can make roof 5 accomodate in recess 8, after the mould processing finishes, under reset spring 4's effect, head rod 3 resets, thereby drive roof 5 under second connecting rod 6 and connecting block 7's effect in with the ejecting bed die 1 of mould, moreover, the steam generator is simple in structure, low in processing cost, there is screw thread seat 10 through the bottom threaded connection who accomodates groove 2, can be spacing reset spring 4, cooperation stop nut 9's use, can dismantle connecting block 7, twist and move screw thread seat 10 and follow and accomodate the separation in groove 2, alright make reset spring 4 follow and accomodate groove 2 and take out, and then make things convenient for reset spring 4's change.

Further, recess 8 has been seted up to the inside of bed die 1, and recess 8 uses with roof 5 cooperation, sets up through recess 8, conveniently accomodates roof 5.

Further, the equal threaded connection of the threaded ends of the first connecting rod 3 and the second connecting rod 6 has a limit nut 9, and the limit nut 9 is matched with the connecting block 7 for use, and is conveniently limited to the connecting block 7 through the setting of the limit nut 9.

Further, the internal thread of the accommodating groove 2 is connected with a threaded seat 10, the threaded seat 10 is sleeved with the first connecting rod 3, and the reset spring 4 is conveniently limited by the threaded seat 10.

Further, the fixed surface of the first connecting rod 3 is sleeved with a limiting block 11 matched with the reset spring 4 for use, and the reset spring 4 is limited by the limiting block 11.

The working principle is as follows: when the die is in operation, when the external upper die is pressed downwards, the first connecting rod 3 on the lower die 1 is pressed to retract into the containing groove 2, under the action of the limiting block 11, the reset spring 4 is compressed, the first connecting rod 3 drives the connecting block 7 to move downwards, the second connecting block 7 is pulled to move downwards, the second connecting block 7 drives the top plate 5 to be contained into the groove 8, after the die is machined, the external upper die rises, the first connecting rod 3 loses pressure, the top plate 5 is reset to the original position under the reverse stress of the reset spring 4, the die is ejected out of the lower die 1, and when the reset spring 4 needs to be replaced, only the limit nut 9 needs to be unscrewed, the connecting block 7 is taken down from the first connecting rod 3 and the second connecting rod 6, the screwing threaded seat 10 is separated from the containing groove 2, and the reset spring 4 can be pulled away from the containing groove 2, so that the purpose of replacement is achieved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an injection mold is mould ejection mechanism for drawing of patterns, includes bed die (1), its characterized in that: the bottom symmetry of bed die (1) has been seted up and has been accomodate groove (2), the inside of accomodating groove (2) is provided with head rod (3), and head rod (3) run through the top to bed die (1), the surface cover of head rod (3) is equipped with reset spring (4), the inside of bed die (1) is provided with roof (5), the bottom symmetry bolt joint of roof (5) has second connecting rod (6), and head rod (3) and second connecting rod (6) run through the bottom to bed die (1), the bottom symmetry of bed die (1) is provided with connecting block (7), the one end of head rod (3) and second connecting rod (6) all runs through the bottom to bed die (1) and establish with connecting block (7) cover.

2. The mold ejection mechanism for demolding an injection mold according to claim 1, characterized in that: a groove (8) is formed in the lower die (1), and the groove (8) is matched with the top plate (5) for use.

3. The mold ejection mechanism for demolding an injection mold according to claim 1, characterized in that: the screw thread ends of the first connecting rod (3) and the second connecting rod (6) are connected with a limiting nut (9) in a threaded mode, and the limiting nut (9) is matched with the connecting block (7) for use.

4. The mold ejection mechanism for demolding an injection mold according to claim 1, characterized in that: the internal thread of the accommodating groove (2) is connected with a threaded seat (10), and the threaded seat (10) is sleeved with the first connecting rod (3).

5. The mold ejection mechanism for demolding an injection mold according to claim 1, characterized in that: and a limiting block (11) matched with the reset spring (4) for use is fixedly sleeved on the surface of the first connecting rod (3).

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