CN217993390U

CN217993390U - Mold opening device for injection mold

Info

Publication number: CN217993390U
Application number: CN202221798703.XU
Authority: CN
Inventors: 李艳菊; 曾海青
Original assignee: Dongguan Supin Plastic Electronics Co ltd
Current assignee: Dongguan Supin Plastic Electronics Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-09
Anticipated expiration: 2032-07-13

Abstract

The utility model provides an injection mold opening device, including cover half and movable mould, spacing hole has been seted up to the outside symmetry of cover half, the fixed position that the movable mould corresponds spacing hole installs spacing post, spacing post and spacing hole sliding connection, fixed mounting has discharge mechanism between cover half and the movable mould, discharge mechanism includes mounting groove, first bull stick and first gear, the utility model discloses an injection molding machine and the use of cover half and movable mould realize the production to injection moulding product, and the back is removed through the removal of movable mould and is driven two second racks and remove, will drive first gear revolve through the meshing of second rack and first gear, and then will drive first bull stick and rotate, will drive first rack through the meshing of first rack and first gear and remove along the spout, and then will drive the orbit removal of push pedal along the spout, realize the release to the product, need not to increase ejecting device, can carry out the product promptly, make things convenient for people ejecting to the product, reduced manufacturing cost.

Description

Mold opening device for injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold opening device.

Background

The injection mold is a device for injection molding of a certain object, when the existing injection mold is used, when some products which are inconvenient to demold are injected, the dropping of the inconvenient injection products during mold opening can only eject the products by additionally adding an ejection device, but the mode has the additional addition of an output end, and the production cost is increased.

Therefore, it is necessary to provide an injection mold opening device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can just carry out ejecting injection mold die sinking device with the product when the die sinking.

The utility model provides a pair of injection mold opening device, including cover half and movable mould, spacing hole has been seted up to the outside symmetry of cover half, and the fixed position that the movable mould corresponds spacing hole installs spacing post, spacing post and spacing hole sliding connection, fixed mounting has discharge mechanism between cover half and the movable mould, and discharge mechanism includes the mounting groove, first bull stick and first gear, and the mounting groove has been seted up to the both ends symmetry of cover half, and the position that the cover half corresponds mounting groove one end middle part is rotated through the bearing and is installed first bull stick, and the middle part symmetry fixed mounting of first bull stick has first gear. After finishing moulding plastics, the removal through the movable mould drives the product and exposes, can assist the ejecting of drive product through discharge mechanism's use.

Preferably, the limiting column is tightly attached to and slides in the limiting hole. The stability and the accuracy of the relative movement between the fixed die and the movable die are realized.

Preferably, the discharging mechanism further comprises a sliding groove, a sliding block, a first rack, a second rack and a push plate, the sliding groove is symmetrically formed in the fixed die close to the mounting groove, the sliding block is slidably mounted in the middle of the sliding groove, the first rack is fixedly mounted on one side of the sliding block and connected with the first gear in a meshed mode, the second rack is fixedly mounted on one side of the movable die and connected with the first gear in a meshed mode, and the push plate is fixedly mounted between the two sliding blocks. When the movable mold moves, the push plate is driven to move along the track of the sliding groove, and the product is pushed out.

Preferably, the sliding groove and the sliding block are tightly attached and slide. The push plate can move along the sliding groove stably and meanwhile seal the sliding groove at the fixed die.

Preferably, the fixed die is internally provided with a mounting hole for placing the push plate, and the push plate is tightly attached to the mounting hole and slides. The realization prevents the influence to injection moulding product simultaneously to the placing of push pedal.

Preferably, the fixed mold is fixedly provided with a fixed frame close to the inner wall of one side of the mounting groove, the middle part of the fixed frame is provided with a fixed groove, and the second rack is connected with the fixed groove in a sliding manner. The realization is to accomodating and fixed of second rack, prevents that deformation from appearing in the second rack unable and first gear engagement's phenomenon.

Preferably, an inclined plane is arranged at one end, far away from the movable die, of the second rack. The second rack can conveniently slide into the fixing groove.

Preferably, the sliding groove and the sliding block are arranged in a cross manner. The realization is spacing and the connection to the push pedal to the stability of first rack.

Preferably, the length of the first rack and the second rack is greater than the injection molding length of the fixed mold. And the complete push-out of the push plate is realized.

Preferably, an anti-sticking plate is arranged on one side of the push plate. Prevent that the injection molding product from bonding on the push pedal.

Compared with the prior art, the utility model provides a have following beneficial effect:

the utility model discloses during the use, through the use of injection molding machine and cover half and movable mould, realize the production to injection moulding product, the removal through the movable mould in back drives two second racks and removes, meshing through second rack and first gear will drive first gear revolve, and then will drive first bull stick and rotate, the meshing through first rack and first gear will drive first rack and remove along the spout, and then will drive the push pedal and remove along the orbit of spout, realize the release to the product, need not to increase ejecting device, can carry out ejecting with the product, make things convenient for people ejecting to the product, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of a part of an embodiment of the present invention;

fig. 3 is a second partial schematic view of an embodiment of the present invention;

fig. 4 is a schematic view of the overall structure in another embodiment of the present invention.

The reference numbers in the figures: 1. fixing a mold; 2. moving the mold; 3. a limiting hole; 4. a limiting column; 5. a discharging mechanism; 6. mounting holes; 7. a fixing frame; 8. fixing grooves; 9. a bevel; 10. an anti-sticking plate; 11. a second rotating rod; 12. a second gear; 51. mounting grooves; 52. a first rotating lever; 53. a first gear; 54. a chute; 55. a slider; 56. a first rack; 57. a second rack; 58. a push plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Example 1

Please refer to fig. 1 to 4 in combination, an injection mold opening device, including cover half 1 and movable mould 2, spacing hole 3 has been seted up to the outside symmetry of cover half 1, movable mould 2 corresponds spacing fixed mounting of hole 3 to have spacing post 4, spacing post 4 and spacing hole 3 sliding connection, fixed mounting has discharge mechanism 5 between cover half 1 and the movable mould 2, discharge mechanism 5 includes mounting groove 51, first bull stick 52 and first gear 53, mounting groove 51 has been seted up to the both ends symmetry of cover half 1, the position that cover half 1 corresponds mounting groove 51 one end middle part is installed first bull stick 52 through the bearing rotation, the middle part symmetry fixed mounting of first bull stick 52 has first gear 53. After the injection molding is finished, the movable mold 2 is moved to drive the product to be exposed, and the ejection of the product can be assisted by the discharging mechanism 5.

Referring to fig. 1 to 4, the position-limiting post 4 is closely attached to the position-limiting hole 3. The stability and the accuracy of the relative movement between the fixed die 1 and the movable die 2 are realized.

Referring to fig. 1 to 4, the discharging mechanism 5 further includes a sliding groove 54, a sliding block 55, a first rack 56, a second rack 57 and a pushing plate 58, the sliding groove 54 is symmetrically formed at a position of the fixed mold 1 close to the mounting groove 51, the sliding block 55 is slidably mounted in the middle of the sliding groove 54, the first rack 56 is fixedly mounted on one side of the sliding block 55, the first rack 56 is meshed with the first gear 53, the second rack 57 is fixedly mounted on one side of the movable mold 2, the second rack 57 is meshed with the first gear 53, and the pushing plate 58 is fixedly mounted between the two sliding blocks 55. When the movable mold 2 moves, the four second racks 57 are driven to move, the first gear 53 is driven to rotate through the meshing between the second racks 57 and the first gear 53, the first rotating rod 52 is driven to rotate, the first rack 56 is driven to move along the sliding groove 54 through the meshing between the first rack 56 and the first gear 53, and the push plate 58 is driven to move along the track of the sliding groove 54, so that the product is pushed out.

Referring to fig. 1 to 4, the sliding groove 54 and the sliding block 55 slide in close contact. The push plate 58 can move stably along the chute 54 and can seal the chute 54 at the fixed die 1.

Referring to fig. 1 to 4, the fixed mold 1 is provided with a mounting hole 6 for placing the push plate 58 therein, and the push plate 58 is closely attached to and slides in the mounting hole 6. The placement of the push plate 58 is achieved while preventing impact on the injection molded product.

Referring to fig. 1 to 4, a fixing frame 7 is fixedly mounted on an inner wall of the fixed mold 1 near the mounting groove 51, a fixing groove 8 is formed in a middle portion of the fixing frame 7, and the second rack 57 is slidably connected to the fixing groove 8. The second rack 57 is stored and fixed, and the phenomenon that the second rack 57 is deformed and cannot be meshed with the first gear 53 is prevented.

Referring to fig. 1 to 4, an inclined surface 9 is formed at an end of the second rack 57 away from the moving mold 2. Facilitating the sliding of the second rack 57 into the interior of the holding groove 8.

Referring to fig. 1 to 4, the sliding slot 54 and the sliding block 55 are disposed in a cross shape. A stable stop of the first rack 56 and a connection to the push plate 58 are achieved.

Referring to fig. 1 to 4, the lengths of the first and

second racks

56 and 57 are greater than the injection length of the stationary mold 1. Complete ejection of the push plate 58 is achieved.

Referring to fig. 1 to 4, an anti-sticking plate 10 is installed on one side of the push plate 58. Preventing the injection molded product from sticking to the push plate 58.

Example 2

Referring to fig. 1 to 4, a second rotating rod 11 is fixedly installed at a position of the fixed mold 1 corresponding to the middle portion of one end of the installation groove 51, a second gear 12 is rotatably installed at the middle portion of the second rotating rod 11 through a bearing, and the second gear 12 is engaged with the first rack 56 and the second rack 57. Based on the embodiment of example 1, the second gear 12 can be driven to rotate by the engagement of the second rack 57 and the second gear 12, and the push plate 58 can be driven to move by the engagement of the second gear 12 and the first rack 56.

When the device is used, the injection molding product is produced by using the injection molding machine and the fixed mold 1 and the movable mold 2, then the movable mold 2 moves to drive the two second racks 57 to move, the first gear 53 is driven to rotate through the meshing of the second racks 57 and the first gear 53, and the first rotating rod 52 is driven to rotate, the first rack 56 is driven to move along the sliding chute 54 through the meshing of the first rack 56 and the first gear 53, and the push plate 58 is driven to move along the track of the sliding chute 54, so that the product is pushed out.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an injection mold opening device, includes cover half (1) and movable mould (2), spacing hole (3) have been seted up to the outside symmetry of cover half (1), movable mould (2) correspond the position fixed mounting in spacing hole (3) have spacing post (4), spacing post (4) and spacing hole (3) sliding connection, its characterized in that, fixed mounting has discharge mechanism (5) between cover half (1) and movable mould (2), discharge mechanism (5) include mounting groove (51), first bull stick (52) and first gear (53), mounting groove (51) have been seted up to the both ends symmetry of cover half (1), cover half (1) corresponds the position at mounting groove (51) one end middle part and installs first bull stick (52) through bearing rotation, the middle part symmetry fixed mounting of first bull stick (52) has first gear (53).

2. An injection mold opening device according to claim 1, wherein the limiting column (4) and the limiting hole (3) are closely attached and slide.

3. The injection mold opening device according to claim 1, wherein the discharging mechanism (5) further comprises a sliding groove (54), a sliding block (55), a first rack (56), a second rack (57) and a push plate (58), the sliding groove (54) is symmetrically formed in the position, close to the mounting groove (51), of the fixed mold (1), the sliding block (55) is slidably mounted in the middle of the sliding groove (54), the first rack (56) is fixedly mounted on one side of the sliding block (55), the first rack (56) is meshed with the first gear (53), the second rack (57) is fixedly mounted on one side of the movable mold (2), the second rack (57) is meshed with the first gear (53), and the push plate (58) is fixedly mounted between the two sliding blocks (55).

4. An injection mould opening device according to claim 3, characterised in that the runner (54) slides in close abutment with the slide (55).

5. An injection mold opening device according to claim 3, wherein the fixed mold (1) is internally provided with a mounting hole (6) for placing a push plate (58), and the push plate (58) is closely attached to and slides with the mounting hole (6).

6. An injection mold opening device according to claim 3, wherein a fixed frame (7) is fixedly mounted on the inner wall of the fixed mold (1) close to one side of the mounting groove (51), a fixing groove (8) is formed in the middle of the fixed frame (7), and the second rack (57) is slidably connected with the fixing groove (8).

7. An injection mould opening device according to claim 3, characterised in that the end of the second rack (57) remote from the movable mould (2) is bevelled (9).

8. An injection mould opening device according to claim 3, characterised in that the runner (54) is crosswise with respect to the slide (55).

9. An injection mold opening device according to claim 3, wherein the first rack (56) and the second rack (57) are longer than the injection length of the stationary mold (1).

10. An injection mould opening device according to claim 5, characterised in that an anti-sticking plate (10) is mounted to one side of the push plate (58).