CN217968164U

CN217968164U - Fixed tool of moulding plastics of ear-hang centre form

Info

Publication number: CN217968164U
Application number: CN202222379431.6U
Authority: CN
Inventors: 曾新发
Original assignee: Dongguan Xingshengda Intelligent Technology Co ltd
Current assignee: Dongguan Xingshengda Intelligent Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-06
Anticipated expiration: 2032-09-08

Abstract

The application discloses fixed tool is moulded plastics to ear-hang centre form, concretely relates to centre form fixed tool field of moulding plastics, this application includes the lower cover, the upper cover has been placed to the upper surface of lower cover, two arc walls have all been seted up to one side that upper cover and lower cover are close to each other, the steel wire has been placed to one side that upper cover and lower cover are close to each other, the surface of steel wire is equipped with stabilising arrangement, stabilising arrangement includes the spacing ring, the spacing ring is located the outer peripheral face of steel wire, four spacing grooves have evenly been seted up on the surface of spacing ring, the inner wall sliding connection in spacing groove has the slider on the spacing ring, the inside fixed mounting of slider has the taper rod, and this application has improved the stability that the taper rod carries out the connection to the ear-hang cover through setting up stabilising arrangement, has further improved the security when operating the ear-hang cover drawing of patterns, has reduced the condition that the slippage appears from the ear-hang cover inside of taper rod, has improved the security to the product drawing of patterns as far as possible.

Description

Fixed tool of moulding plastics of ear-hang centre form

Technical Field

The application relates to the field of internal mold injection molding fixed jigs, in particular to an ear-hung internal mold injection molding fixed jig.

Background

The internal mold injection molding fixing jig belongs to a mold, and is a mold for injection molding of an injection molding capacity product with an inner cavity, and a rubber sleeve on an ear hook is a product manufactured by the internal mold injection molding fixing jig.

Fixed tool of moulding plastics among the prior art often adopts specific ear to hang the steel wire model and uses between upper cover and lower cover, and injection moulding product can form between arc wall and steel wire, but when needs take out the product from the inner chamber, the product bonds easily at the arc wall inner wall, and the violence drawing of patterns leads to tearing and then leading to the product to damage of ear-hang cover port department easily.

In order to solve the problem that tearing easily occurs in the position of a violently-detached port after the ear-hang sleeve is formed, the prior art adopts a mode that the end of the ear-hang sleeve is fixed by means of a taper rod and then is lifted up together with the taper rod to process, but the taper rod slides between the taper rod and the ear-hang sleeve in the lifting process, the taper rod penetrating into the ear-hang sleeve cannot be well stabilized, and the problem that the end position of the ear-hang sleeve cannot be lifted up by stably utilizing the taper rod is further caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aim at in order to solve among the prior art that the awl pole can not stabilize and prick the shortcoming in ear-hang cover end side, and the fixed tool of moulding plastics of ear-hang centre form that proposes.

In order to achieve the purpose, the following technical scheme is adopted in the application: the utility model provides an ear-hang centre form fixed tool that moulds plastics, includes the lower cover, the upper cover has been placed to the upper surface of lower cover, two arc walls have all been seted up to one side that upper cover and lower cover are close to each other, the steel wire has been placed to one side that upper cover and lower cover are close to each other, the surface of steel wire is equipped with securing device, securing device includes the spacing ring, the spacing ring is located the outer peripheral face of steel wire, four spacing grooves have evenly been seted up on the surface of spacing ring, the inner wall sliding connection in spacing groove has the slider on the spacing ring, the inside fixed mounting of slider has the taper rod.

The effect that above-mentioned part reaches is: when needs take out the product from the arc wall inner wall, the spacing ring on slidable steel wire surface inserts the inside that the ear hanging cover is distolateral with four taper rods, has improved the stability that the taper rod carries out the connection to the ear hanging cover, the security when further having improved the drawing of patterns of operation ear hanging cover.

Preferably, the fixed surface of the limiting ring is provided with a fixing rod, the surface of the fixing rod is connected with a driving cover in a sliding mode, and the driving cover is of a round table-shaped structure.

The effect that above-mentioned part reaches is: the driving cover can press the four conical rods to move towards the side close to each other.

Preferably, the inside of spacing ring rotates and is connected with the lead screw, the inside threaded connection of lead screw and drive cover, the lead screw is kept away from the one end fixedly connected with commentaries on classics piece of spacing ring.

The effect that above-mentioned part reaches is: the rotating block is rotated, and the rotating block can drive the screw rod to rotate in the limiting ring, so that the driving work of the driving cover on the fixing rod is facilitated.

Preferably, a bolt penetrates through the arc surface thread of the limiting ring, an anti-slip pad is connected to one end, located on the inner side of the limiting ring, of the bolt in a glued mode, and anti-slip threads are arranged on the surface of the anti-slip pad.

The effect that above-mentioned part reaches does: the bolt compresses tightly the lateral wall at the steel wire rotates, and the setting up of slipmat has increased the frictional force between bolt and the steel wire, has further improved the fixed stability of removal after between spacing ring and the steel wire.

Preferably, the surface of the sliding block is fixedly connected with a first spring, and one end, far away from the sliding block, of the first spring is fixedly connected with the inner wall of the limiting groove in the limiting ring.

The effect that above-mentioned part reaches is: the rotating block rotates in the opposite direction, the driving cover can move towards one side far away from the limiting ring, the sliding block can reset under the action of the first spring tension, and the quick reset operation of the position of the taper rod is facilitated.

Preferably, the upper surface of lower cover is equipped with latch device, latch device includes two rectangular blocks, two the rectangular block all is connected with the upper surface fixed of lower cover, the slide is worn to be equipped with in the inside slip of rectangular block, the lateral wall fixedly connected with card strip of slide, the rectangular hole has been seted up on the surface of upper cover, the transversal right triangle that personally submits of card strip.

The effect that above-mentioned part reaches does: relative motion takes place between the lateral wall of upper cover can and the inclined plane of card strip and extrudees the slide and slide in the inside slip of rectangular block, after the rectangular hole removed to the position corresponding with the card strip, will block the strip card at the rectangular hole inner wall, can realize the compound die work between upper cover and the lower cover after removing.

Preferably, the surface of the clamping strip is fixedly connected with two second springs, and one ends, far away from the clamping strip, of the second springs are fixedly connected with the rectangular blocks.

The effect that above-mentioned part reaches is: the second spring is arranged to drive the clamping strip to move in the direction away from the rectangular block.

Preferably, two positioning screws penetrate through the internal threads of the upper cover, two positioning holes are formed in the upper surface of the lower cover, and the positioning screws are matched with the positioning holes in the lower cover in size.

The effect that above-mentioned part reaches does: the positioning screw is inserted into the inner wall of the positioning hole, so that the rapid positioning work between the upper cover and the lower cover can be realized.

To sum up, the beneficial effect of this application is:

through setting up securing device, improved the stability that the taper rod carries out the connection to the ear-hang cover, security when further having improved the operation ear-hang cover drawing of patterns has reduced the condition that the slippage appears in the taper rod from the ear-hang cover inside, has improved the security to the product drawing of patterns as far as possible.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a partial cross-sectional structural schematic diagram of the present application.

Fig. 3 is a schematic view of the structure of a steel wire in the present application.

Figure 4 is a schematic view of the structure of the stabilization device of the present application.

Fig. 5 is an enlarged view of fig. 1 at a in the present application.

Description of reference numerals:

1. a lower cover; 2. an upper cover; 3. a steel wire; 4. an arc-shaped slot; 5. a securing device; 501. a drive housing; 502. a limiting ring; 503. a tapered rod; 504. fixing the rod; 505. a screw rod; 506. rotating the block; 507. a bolt; 508. a non-slip mat; 509. a slider; 510. a first spring; 6. a clamping device; 61. positioning a screw rod; 62. a rectangular block; 63. positioning holes; 64. a slide plate; 65. a rectangular hole; 66. clamping the strip; 67. a second spring.

Detailed Description

Referring to fig. 1, this embodiment discloses a fixed tool of moulding plastics of ear-hang centre form, including lower cover 1, upper cover 2 has been placed to the upper surface of lower cover 1, and two arcs 4 have all been seted up to one side that upper cover 2 and lower cover 1 are close to each other, and steel wire 3 has been placed to one side that upper cover 2 and lower cover 1 are close to each other, and the surface of steel wire 3 is equipped with securing device 5, and the upper surface of lower cover 1 is equipped with latch 6.

Referring to fig. 2, 3 and 4, the stabilizing device 5 includes a limiting ring 502, the limiting ring 502 is located on the outer circumferential surface of the steel wire 3, four limiting grooves are uniformly formed on the surface of the limiting ring 502, a sliding block 509 is connected to the inner wall of the limiting groove on the limiting ring 502 in a sliding manner, and a taper rod 503 is fixedly installed inside the sliding block 509. When the product need be taken out from 4 inner walls of arc wall, the spacing ring 502 on 3 surfaces of slidable steel wire inserts four taper rods 503 into the inside of the ear-hang sleeve end side, has improved the stability that the taper rods 503 are connected to the ear-hang sleeve, has further improved the security when operating the drawing of patterns of ear-hang sleeve.

The surface of the limiting ring 502 is fixedly provided with a fixing rod 504, the surface of the fixing rod 504 is connected with a driving cover 501 in a sliding manner, and the driving cover 501 is in a circular truncated cone-shaped structure. The driving cap 501 presses the four tapered rods 503 to move toward the side close to each other. The inside of the spacing ring 502 is rotatably connected with a screw rod 505, the screw rod 505 is in threaded connection with the inside of the driving cover 501, and one end of the screw rod 505 far away from the spacing ring 502 is fixedly connected with a rotating block 506. The rotating block 506 is rotated, and the rotating block 506 drives the screw rod 505 to rotate inside the limiting ring 502, so that the driving work of the driving cover 501 on the fixing rod 504 is facilitated.

A bolt 507 is arranged in the arc surface of the limiting ring 502 in a threaded mode, one end, located on the inner side of the limiting ring 502, of the bolt 507 is connected with a non-slip mat 508 in a gluing mode, and non-slip grains are arranged on the surface of the non-slip mat 508. Rotating bolt 507 compresses tightly the lateral wall at steel wire 3, and the setting of slipmat 508 has increased the frictional force between bolt 507 and the steel wire 3, has further improved the fixed stability of removal back between spacing ring 502 and the steel wire 3. The surface of the sliding block 509 is fixedly connected with a first spring 510, and one end of the first spring 510, which is far away from the sliding block 509, is fixedly connected with the inner wall of the limiting groove on the limiting ring 502. When the rotating block 506 is rotated in the opposite direction, the driving cover 501 moves towards the side away from the limiting ring 502, and at this time, the sliding block 509 is reset under the tensile force of the first spring 510, so that the quick reset operation of the position of the conical rod 503 is facilitated.

Referring to fig. 1, 2 and 5, the clamping device 6 includes two rectangular blocks 62, the two rectangular blocks 62 are both fixedly connected with the upper surface of the lower cover 1, a sliding plate 64 is slidably arranged inside the rectangular blocks 62, a clamping strip 66 is fixedly connected to a side wall of the sliding plate 64, a rectangular hole 65 is formed in the surface of the upper cover 2, and the cross section of the clamping strip 66 is in a right triangle shape. Relative motion can take place between the inclined plane of upper cover 2 and card strip 66 and extrude slide 64 and slide in rectangular block 62 inside, after rectangular hole 65 moved to the position corresponding with card strip 66, block card strip 66 at the rectangular hole 65 inner wall, can realize the compound die work between upper cover 2 and the lower cover 1 after removing.

Two second springs 67 are fixedly connected to the surface of the clamping strip 66, and one ends of the second springs 67 far away from the clamping strip 66 are fixedly connected with the rectangular block 62. The provision of the second spring 67 serves to drive the movement of the clip strip 66 away from the rectangular block 62. Two positioning screws 61 are arranged in the inner thread of the upper cover 2 in a penetrating way, two positioning holes 63 are formed in the upper surface of the lower cover 1, and the positioning screws 61 are matched with the positioning holes 63 in the lower cover 1 in size. The positioning screw 61 is inserted into the inner wall of the positioning hole 63, so that the rapid positioning work between the upper cover 2 and the lower cover 1 can be realized.

The working principle is as follows: the injection molding raw materials are filled into the position between the upper cover 2 and the lower cover 1, the inner wall of the arc-shaped groove 4 between the upper cover 2 and the lower cover 1 as well as the iron wire of the product is injected, the product after injection molding can be formed between the arc-shaped groove 4 and the steel wire 3, when the product needs to be taken out from the inner wall of the arc-shaped groove 4, the limiting ring 502 on the surface of the slidable steel wire 3 inserts the four conical rods 503 into the inner part of the end side of the ear hanging sleeve, at the moment, the rotating block 506 is rotated, the rotating block 506 can drive the screw rod 505 to rotate in the limiting ring 502, the driving work of the driving cover 501 on the fixed rod 504 is facilitated, at the moment, the driving cover 501 can extrude the four conical rods 503 to move towards one side which is close to each other, firstly, the demoulding work between the ear hanging sleeve at the end side and the arc-shaped groove 4 is facilitated, secondly, the tightness of the ear loop and the steel wire 3 is improved, the separation between the conical rod 503 and the ear loop is reduced, the rotating bolt 507 is pressed on the side wall of the steel wire 3, the friction between the bolt 507 and the steel wire 3 is increased by the arrangement of the anti-slip pad 508, the stability of fixing after moving between the limiting ring 502 and the steel wire 3 is further improved, the operation and control of the conical rod 503 are facilitated, the stability of the conical rod 503 for connecting the ear loop is improved by arranging the stabilizing device 5, the safety of the ear loop in demolding is further improved, the slipping condition of the conical rod 503 from the inner part of the ear loop is reduced, and the safety of product demolding is improved as much as possible.

When the rotating block 506 is rotated in the opposite direction, the driving cover 501 moves towards the side away from the limiting ring 502, and at the moment, the sliding block 509 is reset under the tension of the first spring 510, so that the quick reset operation of the position of the taper rod 503 is facilitated.

When needing to carry out compound die work to the iron wire of installation between upper cover 2 and lower cover 1, insert positioning screw 61 the inner wall of locating hole 63, can realize the quick location work between upper cover 2 and lower cover 1, the lateral wall of upper cover 2 can take place relative motion and extrude slide 64 and slide in rectangular block 62 inside with the inclined plane of card strip 66, after rectangular hole 65 removed to the position corresponding with card strip 66, card strip 66 can receive second spring 67 elastic force effect card at rectangular hole 65 inner wall, can realize the compound die work between upper cover 2 and the lower cover 1 after the removal, through setting up latch device 6, utilize the mode of joint to carry out the compound die between upper cover 2 and the lower cover 1, the compound die efficiency between upper cover 2 and the lower cover 1 has been improved.

Claims

1. The utility model provides a fixed tool of moulding plastics of ear-hang centre form, includes lower cover (1), its characterized in that: upper cover (2) have been placed to the upper surface of lower cover (1), two arc wall (4) have all been seted up to one side that upper cover (2) and lower cover (1) are close to each other, steel wire (3) have been placed to one side that upper cover (2) and lower cover (1) are close to each other, the surface of steel wire (3) is equipped with stabilising arrangement (5), stabilising arrangement (5) are including spacing ring (502), spacing ring (502) are located the outer peripheral face of steel wire (3), four spacing grooves have evenly been seted up on the surface of spacing ring (502), the inner wall sliding connection in spacing groove has slider (509) on spacing ring (502), the inside fixed mounting of slider (509) has taper rod (503).

2. The injection molding and fixing jig for the ear-hung inner die according to claim 1, characterized in that: the surface fixing of spacing ring (502) installs dead lever (504), the surperficial sliding connection of dead lever (504) has drive cover (501), drive cover (501) are round platform column structure.

3. The injection molding and fixing jig for the ear-hung inner die according to claim 2, characterized in that: the inner part of the limiting ring (502) is rotatably connected with a screw rod (505), the screw rod (505) is in threaded connection with the inner part of the driving cover (501), and one end, far away from the limiting ring (502), of the screw rod (505) is fixedly connected with a rotating block (506).

4. The injection molding and fixing jig for the ear-hung inner die according to claim 1, characterized in that: the bolt (507) penetrates through the arc surface threads of the limiting ring (502), the end, located on the inner side of the limiting ring (502), of the bolt (507) is connected with an anti-skid pad (508) in an adhesive mode, and anti-skid grains are arranged on the surface of the anti-skid pad (508).

5. The injection molding and fixing jig for the ear-hung inner die as claimed in claim 1, wherein: the surface of the sliding block (509) is fixedly connected with a first spring (510), and one end, far away from the sliding block (509), of the first spring (510) is fixedly connected with the inner wall of a limiting groove in the limiting ring (502).

6. The injection molding and fixing jig for the ear-hung inner die as claimed in claim 1, wherein: the upper surface of lower cover (1) is equipped with latch device (6), latch device (6) include two rectangular blocks (62), two rectangular block (62) all are connected with the last fixed surface of lower cover (1), slide (64) are worn to be equipped with in the inside slip of rectangular block (62), the lateral wall fixedly connected with card strip (66) of slide (64), rectangular hole (65) have been seted up on the surface of upper cover (2), the transversal right angled triangle that personally submits of card strip (66).

7. The injection molding and fixing jig for the ear-hung inner die according to claim 6, characterized in that: the surface of the clamping strip (66) is fixedly connected with two second springs (67), and one end, far away from the clamping strip (66), of each second spring (67) is fixedly connected with the rectangular block (62).

8. The injection molding and fixing jig for the ear-hung inner die according to claim 1, characterized in that: two positioning screws (61) penetrate through the internal threads of the upper cover (2), two positioning holes (63) are formed in the upper surface of the lower cover (1), and the positioning screws (61) are matched with the positioning holes (63) in the lower cover (1) in size.