CN209755959U

CN209755959U - Sliding block inclined ejection core pulling mechanism and injection mold

Info

Publication number: CN209755959U
Application number: CN201920508043.9U
Authority: CN
Inventors: 王青坤; 何生成
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2019-12-10
Anticipated expiration: 2029-04-15

Abstract

the utility model discloses a slider pushes up mechanism and injection mold of loosing core to one side relates to mould technical field. The sliding block inclined top core pulling mechanism comprises a fixed template, a first sliding block, a second sliding block, a shovel base, an inclined guide pillar and an inclined top core pulling assembly. The shovel base is fixedly installed on the fixed die plate, the oblique guide pillar is fixedly connected with the shovel base and is in sliding fit with the first sliding block, the first sliding block is in sliding fit with the second sliding block, the oblique top is in sliding fit with the guide holder, the guide holder is fixedly installed on the second sliding block, the guide groove is formed in the first sliding block, and the oblique top is arranged in the guide groove in a sliding manner. Compared with the prior art, the utility model provides a slider pushes up mechanism of loosing core to one side sets up the oblique top in the guide way owing to adopted the first slider with second slider sliding connection and slide, so can once only accomplish the work of loosing core of a plurality of directions, shortens the shaping cycle, reduces equipment cost and human cost to the motion process is reliable and stable, and product quality is high.

Description

Sliding block inclined ejection core pulling mechanism and injection mold

Technical Field

The utility model relates to the technical field of mold, in particular to slider pushes up mechanism and injection mold of loosing core to one side.

Background

At present, in plastic mold's application, there is the rib to the product side, is provided with the porose condition on the rib, because the direction of motion of traditional slider can only be the single direction, so use slider mechanism alone and be difficult to once only loose core the shaping, present solution is to carry out a lot of processing to the product, utilizes multiple mechanism shaping, but so, the processing degree of difficulty is big, the shaping cycle length, and equipment cost and human cost are high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how once only accomplish the work of loosing core of a plurality of directions, shorten the shaping cycle, reduce equipment cost and human cost to the motion process is reliable and stable, and product quality is high.

in order to solve the above problem, the technical scheme of the utility model is realized like this:

In a first aspect, the utility model provides a slider pushes up mechanism of loosing core to one side, including the fixed die plate, first slider, the second slider, the shovel base, oblique guide pillar and oblique top subassembly of loosing core, shovel base fixed mounting is on the fixed die plate, oblique guide pillar and shovel base fixed connection, and with first slider sliding fit, first slider and second slider sliding connection, the subassembly of loosing core to one side pushes up and includes oblique top and guide holder, oblique top and guide holder sliding connection, guide holder fixed mounting is on the second slider, the guide way has been seted up to first slider, the oblique top slides and sets up in the guide way, first slider can slide along first direction under the effect of oblique guide pillar when the die sinking, in order to drive oblique top through the guide way and slide along the second direction for the guide holder, first direction is perpendicular with the second direction. Compared with the prior art, the utility model provides a slider pushes up mechanism of loosing core to one side sets up the oblique top in the guide way owing to adopted the first slider with second slider sliding connection and slide, so can once only accomplish the work of loosing core of a plurality of directions, shortens the shaping cycle, reduces equipment cost and human cost to the motion process is reliable and stable, and product quality is high.

furthermore, the first slider is still provided with a yielding groove extending along the first direction, the yielding groove is communicated with the guide groove, the extending direction of the guide groove and the first direction form a preset included angle, and the guide seat extends into the yielding groove and can slide relative to the yielding groove. When the first sliding block slides relative to the second sliding block, the first sliding block slides along the first direction to perform core pulling operation on a product in the first direction, in the process, the guide seat slides relative to the abdicating groove, and the guide groove drives the inclined ejector to move, so that the inclined ejector slides relative to the guide seat.

Further, the preset included angle ranges from 5 degrees to 20 degrees. The reasonable preset included angle can reduce the sliding friction force between the side wall of the guide groove and the pitched roof, so that the side wall of the guide groove can stably push the pitched roof to move, and the moving process of the pitched roof is stable and reliable.

Further, the lifter comprises a forming portion, a connecting portion and a sliding portion, the forming portion is connected with the sliding portion through the connecting portion, the forming portion is used for forming a product, the connecting portion is in sliding fit with the guide groove, and the sliding portion is in sliding fit with the guide seat. The both sides of connecting portion respectively with two lateral walls one-to-one of guide way, when first slider slides for the second slider, the lateral wall of guide way exerts pressure to connecting portion, promotes the motion of connecting portion to promote whole oblique top motion, at this in-process, the guide holder is spacing to sliding part, makes sliding part only can slide along the second direction, thereby drives whole oblique top and slides along the second direction, and the operation of loosing core is taken to the product in the second direction to the shaping portion.

Furthermore, the sliding part is provided with a limiting groove extending along the second direction, and the guide seat is provided with a boss in sliding fit with the limiting groove. The boss can move along the second direction in the limiting groove, and the limiting groove can be spacing to the boss, prevents that the boss from breaking away from the limiting groove for the cooperation of sliding part and guide holder is reliable and stable.

Furthermore, the slider inclined top core pulling mechanism further comprises two first pressing strips, the two first pressing strips are arranged at intervals and fixedly mounted on the second slider, and the first slider is arranged between the two first pressing strips in a sliding mode. The two first pressing strips limit the first sliding block together, so that the first sliding block can only slide along the first direction.

Furthermore, the slider pitched roof core pulling mechanism further comprises a limiting block, the limiting block is fixedly installed on the second slider and can be abutted against the first slider so as to prevent the first slider from being separated from the second slider. The limiting block can limit the extreme position of the first sliding block, when the first sliding block moves to the extreme position along the first direction, the first sliding block is abutted to the limiting block, and the limiting block limits the first sliding block.

Furthermore, the sliding block inclined top core pulling mechanism further comprises a movable template and two second pressing strips, the two second pressing strips are arranged at intervals and fixedly installed on the movable template, and the second sliding block is arranged between the two second pressing strips in a sliding mode. The two second pressing strips limit the second sliding block together, so that the second sliding block can only slide along the first direction.

Furthermore, the slider pushes up mechanism of loosing core to one side still includes the pneumatic cylinder, and pneumatic cylinder fixed mounting is provided with the telescopic link on the movable mould board, and the telescopic link is connected with the second slider. The telescopic link can drive the second slider and slide on the first direction to realize the die sinking or compound die, the telescopic link drives the second slider and keeps away from the product during the die sinking, in order to loose core the operation to the product in the first direction.

a second aspect, the utility model provides an injection mold, including foretell slider mechanism of loosing core to one side top, this slider mechanism of loosing core to one side top includes the fixed die plate, first slider, the second slider, the shovel base, the subassembly of loosing core to one side guide pillar and oblique top, shovel base fixed mounting is on the fixed die plate, guide pillar and shovel base fixed connection to one side, and with first slider sliding fit, first slider and second slider sliding connection, the subassembly of loosing core to one side top includes oblique top and guide holder, oblique top and guide holder sliding connection, guide holder fixed mounting is on the second slider, the guide way has been seted up to first slider, the oblique top slides and sets up in the guide way, first slider can slide along the first direction under the effect of oblique guide pillar when the die sinking, in order to drive oblique top through the guide way and slide along the second direction for the guide holder, first direction is perpendicular with the second direction. The injection mold can complete the core pulling work in multiple directions at one time, the molding period is shortened, the equipment cost and the labor cost are reduced, the moving process is stable and reliable, and the product quality is high.

Drawings

Fig. 1 is a schematic structural diagram of a sliding block pitched roof core pulling mechanism according to a first embodiment of the present invention in a mold closing state;

Fig. 2 is a schematic structural view of a sliding block pitched roof core pulling mechanism according to a first embodiment of the present invention in a mold opening state;

Fig. 3 is an exploded view of a slider lifter core-pulling mechanism according to a first embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a sliding block pitched roof core pulling mechanism according to a first embodiment of the present invention;

fig. 5 is a schematic structural view illustrating a connection between a first slider and a slanted ejecting core-pulling assembly in the slider slanted ejecting core-pulling mechanism according to the first embodiment of the present invention;

Fig. 6 is an exploded view of the connection of the first slider and the pitched roof core pulling assembly in the slider pitched roof core pulling mechanism according to the first embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a slanted ejecting core-pulling assembly in a sliding block slanted ejecting core-pulling mechanism according to a first embodiment of the present invention in a mold closing state;

fig. 8 is a schematic structural view of a slanted ejecting core-pulling assembly in a slider slanted ejecting core-pulling mechanism according to a first embodiment of the present invention in a state of opening a mold;

Fig. 9 is a schematic structural view of an injection mold according to a second embodiment of the present invention.

Description of reference numerals:

10-injection molding; 100-a slider inclined top core-pulling mechanism; 110-fixing a template; 120-a first slider; 121-a guide groove; 122-a relief groove; 130-a second slider; 140-shovel base; 150-an oblique guide post; 160-a pitched roof core-pulling assembly; 161-inclined top; 162-a guide seat; 163-a forming section; 164-a connecting portion; 165-a sliding part; 166-a limit groove; 167-boss; 170-a limiting block; 180-moving the template; 190-hydraulic cylinder; 191-a telescopic rod; 200-a first bead; 210-a second bead; 300-fixing the mold base plate; 400-moving die base plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

First embodiment

referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention provides a slider pitched roof core pulling mechanism 100 for performing core pulling molding on a product. The core pulling machine can complete core pulling work in multiple directions at one time, shortens the forming period, reduces the equipment cost and the labor cost, and is stable and reliable in the moving process and high in product quality. In this embodiment, the slider pitched roof core pulling mechanism 100 is used for pulling cores of a rib on a product and a side hole formed in a side surface of the rib, wherein the core pulling direction of a formed rib is perpendicular to the core pulling direction of a formed side hole, and the slider pitched roof core pulling mechanism 100 can simultaneously perform core pulling forming on the two directions.

The slider inclined top core pulling mechanism 100 comprises a fixed die plate 110, a first slider 120, a second slider 130, a shovel base 140, an inclined guide post 150, an inclined top core pulling assembly 160, a limiting block 170, a movable die plate 180, a hydraulic cylinder 190, two first pressing strips 200 and two second pressing strips 210. The shovel base 140 is fixedly installed on the fixed die plate 110, the inclined guide post 150 is fixedly connected with the shovel base 140 and is in sliding fit with the first slider 120, the first slider 120 is in sliding connection with the second slider 130, and the shovel base 140 and the inclined guide post 150 are far away from the movable die plate 180 under the driving of the fixed die plate 110 during die opening so as to drive the first slider 120 to slide relative to the second slider 130 and far away from a product.

It should be noted that the two first pressing strips 200 are disposed at intervals and both fixedly mounted on the second slider 130, and the first slider 120 is slidably disposed between the two first pressing strips 200. The two first pressing bars 200 limit the first sliding block 120 together, so that the first sliding block 120 can only slide along the first direction. The limiting block 170 is fixedly installed on the second sliding block 130, and the limiting block 170 can abut against the first sliding block 120 to prevent the first sliding block 120 from separating from the second sliding block 130. The limiting block 170 can limit the limit position of the first slider 120, and when the first slider 120 moves to the limit position along the first direction, the first slider 120 abuts against the limiting block 170, and the limiting block 170 limits the first slider 120.

It is noted that the two second pressing strips 210 are disposed at an interval and both are fixedly mounted on the movable mold plate 180, and the second slider 130 is slidably disposed between the two second pressing strips 210. The two second pressing bars 210 limit the second sliding block 130 together, so that the second sliding block 130 can only slide along the first direction. The hydraulic cylinder 190 is fixedly installed on the movable template 180, the hydraulic cylinder 190 is provided with a telescopic rod 191, and the telescopic rod 191 is connected with the second sliding block 130. The telescopic link 191 can drive the second slider 130 to slide in the first direction to realize the die sinking or compound die, and the telescopic link 191 drives the second slider 130 to keep away from the product during the die sinking, in order to carry out the operation of loosing core to the product in the first direction.

Referring to fig. 5, 6, 7 and 8, the slanted ejecting core-pulling assembly 160 includes a slanted ejecting 161 and a guide seat 162. The slanted ejecting part 161 is slidably connected to the guide holder 162, and the slanted ejecting part 161 can slide relative to the guide holder 162. The guide holder 162 is fixedly mounted on the second slider 130, and the first slider 120 slides relative to the second slider 130 and also slides relative to the guide holder 162. Guide way 121 has been seted up to first slider 120, and the oblique top 161 slides and sets up in guide way 121, and guide way 121 can drive oblique top 161 and take place the motion, and first slider 120 can slide along first direction under the effect of oblique guide pillar 150 when the die sinking to drive oblique top 161 through guide way 121 and slide along the second direction for guide holder 162, the oblique top 161 can be at the second direction at this moment and carry out the shaping of loosing core to the product.

In this embodiment, the first direction is perpendicular to the second direction, the first direction is a core pulling direction of the forming rib, the second direction is a core pulling direction of the forming side hole, and the slider pitched roof core pulling mechanism 100 can simultaneously perform core pulling forming on a product in the first direction and the second direction. For ease of understanding, the first direction is represented as an X-axis direction, the second direction is represented as a Y-axis direction, and the mold opening direction is represented as a Z-axis direction.

It should be noted that, the first slider 120 is further provided with a yielding groove 122 extending along the first direction, the yielding groove 122 is communicated with the guide groove 121, the extending direction of the guide groove 121 and the first direction form a preset included angle, and the guide seat 162 extends into the yielding groove 122 and can slide relative to the yielding groove 122. When the first slider 120 slides relative to the second slider 130, the first slider 120 slides along the first direction to perform core pulling operation on a product in the first direction, in the process, the guide seat 162 slides relative to the abdicating groove 122, and the guide groove 121 drives the inclined top 161 to move, so that the inclined top 161 slides relative to the guide seat 162. Specifically, the preset included angle ranges from 5 degrees to 20 degrees. The reasonable preset included angle can reduce the sliding friction force between the side wall of the guide groove 121 and the inclined top 161, so that the side wall of the guide groove 121 can stably push the inclined top 161 to move, and the moving process of the inclined top 161 is stable and reliable. In this embodiment, the degree of the preset included angle is 12 degrees, so that the guide groove 121 can apply a stable thrust to the lifter 161, and the movement stability of the lifter 161 is improved.

The slanted top 161 includes a molding portion 163, a connecting portion 164, and a sliding portion 165. The molding part 163 is connected to the sliding part 165 through the connecting part 164, and in this embodiment, the molding part 163, the connecting part 164, and the sliding part 165 are integrally molded to improve the connection strength. The molding portion 163 is used for molding a product, the connecting portion 164 is in sliding fit with the guide groove 121, and the sliding portion 165 is in sliding fit with the guide seat 162. The both sides of connecting portion 164 respectively with two lateral walls one-to-one of guide way 121, when first slider 120 slides for second slider 130, the lateral wall of guide way 121 exerts pressure to connecting portion 164, promote connecting portion 164 motion, thereby promote whole oblique top 161 motion, at this in-process, guide holder 162 carries on spacingly to sliding part 165, make sliding part 165 only can follow the second direction and slide, thereby it slides along the second direction to drive whole oblique top 161, shaping part 163 looses the core operation to the product in the second direction.

In this embodiment, the sliding portion 165 is provided with a limiting groove 166 extending along the second direction, the guide seat 162 is provided with a boss 167, and the boss 167 is in sliding fit with the limiting groove 166. The boss 167 can move in the limiting groove 166 along the second direction, and the limiting groove 166 can limit the boss 167, so as to prevent the boss 167 from separating from the limiting groove 166, so that the sliding part 165 is stably and reliably matched with the guide seat 162. However, the present invention is not limited thereto, and in other embodiments, a slot extending in the second direction is formed in the guide holder 162, and a protrusion is formed on the sliding portion 165, and the protrusion is slidably engaged with the slot, so that the sliding portion 165 can be stably slid with respect to the guide holder 162.

In the mold opening process, the movable mold plate 180 moves in a direction away from the fixed mold plate 110, at this time, because the inclined guide post 150 is fixedly connected to the fixed mold plate 110 through the shovel base 140, and the first slider 120 is away from the fixed mold plate 110 along with the movable mold plate 180 and the second slider 130, the first slider 120 slides in a first direction relative to the second slider 130 under the action of the inclined guide post 150, and the first slider 120 is away from the product, so that the core pulling operation of the first slider 120 in the first direction is realized. In the process, the second slider 130 is far away from the fixed die plate 110 along with the movable die plate 180, the second slider 130 and the movable die plate 180 are kept relatively static, the guide groove 121 applies pressure to the inclined top 161 to push the inclined top 161 to slide relative to the guide seat 162 along the second direction, the inclined top 161 is far away from the product, the core-pulling operation of the inclined top 161 in the second direction is realized, and at the moment, the guide seat 162 slides in the receding groove 122 of the first slider 120, so that interference cannot be caused to the movement of the first slider 120. After the core pulling operation of the first slider 120 and the inclined ejector 161 on the product is completed, the first slider 120 moves to the extreme position and abuts against the limiting block 170, at this time, the hydraulic cylinder 190 starts, the telescopic rod 191 drives the second slider 130 to slide along the first direction relative to the movable die plate 180, and the second slider 130 is far away from the product, so that the core pulling operation of the second slider 130 in the first direction is realized.

The embodiment of slider mechanism 100 of loosing core to one side, shovel base 140 fixed mounting is on fixed die plate 110, oblique guide pillar 150 and shovel base 140 fixed connection, and with first slider 120 sliding fit, first slider 120 and second slider 130 sliding connection, push up subassembly 160 of loosing core to one side includes to one side 161 and guide holder 162, push up 161 and guide holder 162 sliding connection to one side, guide holder 162 fixed mounting is on second slider 130, guide way 121 has been seted up to first slider 120, push up 161 to one side and slide and set up in guide way 121, first slider 120 can slide along first direction under the effect of oblique guide pillar 150 when the die sinking, slide along the second direction for guide holder 162 in order to drive to one side through guide way 121 and push up 161 to one side, first direction is perpendicular with the second direction. Compared with the prior art, the utility model provides a slider pushes up mechanism of loosing core 100 to one side sets up the oblique top 161 in the guide way 121 owing to adopted the first slider 120 with second slider 130 sliding connection and slide, so can once only accomplish the work of loosing core of a plurality of directions, shortens the shaping cycle, reduces equipment cost and human cost to the motion process is reliable and stable, and product quality is high.

second embodiment

Referring to fig. 9, the present invention provides an injection mold 10 for producing plastic products. The injection mold 10 includes a slider lifter core-pulling mechanism 100, a stationary mold base plate 300, and a movable mold base plate 400. The basic structure and principle of the sliding block slanted ejecting core pulling mechanism 100 and the generated technical effects are the same as those of the first embodiment, and for the sake of brief description, no part of this embodiment is mentioned, and reference may be made to the corresponding contents in the first embodiment.

In this embodiment, the fixed mold base plate 300 is connected to one side of the fixed mold plate 110 away from the movable mold plate 180, the movable mold base plate 400 is connected to one side of the movable mold plate 180 away from the fixed mold plate 110, the fixed mold base plate 300 is fixedly connected to one side of the press, the movable mold base plate 400 is fixedly connected to the other side of the press, and the press can drive the movable mold base plate 400 to be away from or close to the fixed mold base plate 300, so as to open or close the mold of the slider lifter core-pulling.

The embodiment of the utility model provides an injection mold 10's beneficial effect the same with the beneficial effect of first embodiment, no longer describe here.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. The slider inclined top core pulling mechanism is characterized by comprising a fixed die plate (110), a first slider (120), a second slider (130), a shovel base (140), an inclined guide post (150) and an inclined top core pulling assembly (160), wherein the shovel base (140) is fixedly installed on the fixed die plate (110), the inclined guide post (150) is fixedly connected with the shovel base (140) and is in sliding fit with the first slider (120), the first slider (120) is in sliding connection with the second slider (130), the inclined top core pulling assembly (160) comprises an inclined top (161) and a guide seat (162), the inclined top (161) is in sliding connection with the guide seat (162), the guide seat (162) is fixedly installed on the second slider (130), the first slider (120) is provided with a guide groove (121), and the inclined top (161) is arranged in the guide groove (121) in a sliding manner, the first sliding block (120) can slide along a first direction under the action of the inclined guide post (150) when the mould is opened, so that the inclined top (161) is driven to slide along a second direction relative to the guide seat (162) through the guide groove (121), and the first direction is perpendicular to the second direction.

2. the slider slanted ejecting core pulling mechanism according to claim 1, wherein the first slider (120) further has a relief groove (122) extending along the first direction, the relief groove (122) is communicated with the guide groove (121), the extending direction of the guide groove (121) and the first direction are arranged at a predetermined included angle, and the guide seat (162) extends into the relief groove (122) and can slide relative to the relief groove (122).

3. The slider pitched roof core pulling mechanism according to claim 2, characterized in that said preset included angle ranges between 5 degrees and 20 degrees.

4. The slider pitched roof core pulling mechanism according to claim 1, characterized in that, said pitched roof (161) comprises a forming part (163), a connecting part (164) and a sliding part (165), said forming part (163) is connected with said sliding part (165) through said connecting part (164), said forming part (163) is used for forming the product, said connecting part (164) is slidingly engaged with said guide slot (121), said sliding part (165) is slidingly engaged with said guide seat (162).

5. The slider slanted ejecting core pulling mechanism according to claim 4, wherein the sliding portion (165) is provided with a limiting groove (166) extending along the second direction, the guide seat (162) is provided with a boss (167), and the boss (167) is in sliding fit with the limiting groove (166).

6. the slider slanted ejecting core-pulling mechanism according to claim 1, further comprising two first pressing strips (200), wherein the two first pressing strips (200) are arranged at intervals and are both fixedly mounted on the second slider (130), and the first slider (120) is slidably arranged between the two first pressing strips (200).

7. The slider slanted ejecting core-pulling mechanism according to claim 1, further comprising a stopper (170), wherein the stopper (170) is fixedly installed on the second slider (130), and the stopper (170) can abut against the first slider (120) to prevent the first slider (120) from separating from the second slider (130).

8. The slider slanted ejecting core-pulling mechanism according to claim 1, further comprising a movable mold plate (180) and two second pressing strips (210), wherein the two second pressing strips (210) are arranged at intervals and are fixedly mounted on the movable mold plate (180), and the second slider (130) is slidably arranged between the two second pressing strips (210).

9. The sliding block pitched roof core pulling mechanism according to claim 8, characterized in that, it further comprises a hydraulic cylinder (190), said hydraulic cylinder (190) is fixedly installed on said movable template (180), said hydraulic cylinder (190) is provided with a telescopic rod (191), said telescopic rod (191) is connected with said second sliding block (130).

10. An injection mold comprising the sliding block core ejector mechanism according to any one of claims 1 to 9.