CN216182443U

CN216182443U - Secondary ejection and demolding device for injection mold

Info

Publication number: CN216182443U
Application number: CN202122159207.1U
Authority: CN
Inventors: 余发友; 李艳龙; 邱锦雄
Original assignee: Feng Yan Precision Mould Co ltd
Current assignee: Feng Yan Precision Mould Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-05
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of demolding auxiliary devices, in particular to a secondary ejection demolding device for an injection mold. The technical scheme comprises the following steps: the workstation, four bracing pieces of top fixedly connected with of workstation, the common fixedly connected with die sleeve in top of four bracing pieces, the inside sliding connection of die sleeve has a sliding bottom plate, the top fixedly connected with electric putter of workstation, electric putter's telescopic shaft fixedly connected with support plate, the top fixedly connected with ejector pin of support plate, the top of support plate is through connecting rod fixedly connected with connecting plate, the top of connecting plate is provided with the transfer line, the fixed cover in periphery of transfer line is equipped with the eccentric wheel, the both sides of support plate all are rotated and are connected with the dwang, and the dwang passes through drive mechanism and transfer line transmission and connect. The utility model solves the problems that the surface of a product is easy to be damaged and the quality of the product is reduced when the existing demoulding device is used for demoulding.

Description

Secondary ejection and demolding device for injection mold

Technical Field

The utility model relates to the technical field of demolding auxiliary devices, in particular to a secondary ejection demolding device for an injection mold.

Background

The injection molding is a processing method of a secondary ejection demoulding device of an injection mold used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted materials into a mold cavity from high pressure, and obtaining a formed product after cooling and solidification.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a secondary ejection demoulding device of an injection mould, which has good mould stripping effect and aims to solve the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides an injection mould secondary ejection shedder, includes the workstation, four bracing pieces of top fixedly connected with of workstation, the common fixedly connected with die sleeve in top of four bracing pieces, the inside sliding connection of die sleeve has sliding bottom plate, the top fixedly connected with electric putter of workstation, electric putter's telescopic shaft fixedly connected with support plate, the top fixedly connected with ejector pin of support plate, the top of support plate is through connecting rod fixedly connected with connecting plate, and the top of connecting plate is provided with the transfer line, and the fixed cover in periphery of transfer line is equipped with the eccentric wheel, the both sides of support plate are all rotated and are connected with the dwang, and the dwang passes through drive mechanism and transfer line transmission and connect.

Preferably, two circular through holes are formed in the connecting plate, and the two ejector rods penetrate through the two circular through holes respectively.

Preferably, the top of the workbench is fixedly connected with a plurality of guide rods, and the guide rods movably penetrate through the inside of the carrier plate.

Preferably, the two ends of the transmission rod are respectively rotatably sleeved with a positioning sleeve, the bottom of the positioning sleeve is fixedly connected with a positioning rod, and the bottom end of the positioning rod is fixedly connected with the top of the connecting plate.

Preferably, drive mechanism establishes at the peripheral round fluted disc of transfer line including fixed connection at the double-deck fluted disc of dwang outer end and fixed cover, just the round fluted disc is connected through the big fluted disc transmission of interior toothed belt and double-deck fluted disc.

Preferably, the top of the workbench is fixedly connected with two rack plates, and the rack plates and the small toothed discs of the double-layer toothed discs are in meshed transmission.

Preferably, two rectangular through holes are formed in the connecting plate, and the two inner toothed belts respectively penetrate through the two rectangular through holes.

Compared with the prior art, the utility model has the following beneficial technical effects:

the support plate is driven to ascend through the operation of the electric push rod, the sliding bottom plate is driven to slide upwards under the connection of the ejector rods, so that the primary ejection is completed, when the primary ejection ascends, the rack plate and the double-layer fluted disc are driven to rotate through the meshed transmission of the pinions, the transmission rod is driven to rotate under the action of the transmission mechanism, the eccentric wheel below the sliding bottom plate can be driven to rotate continuously through the rotation of the transmission rod, the secondary ejection of the small amplitude is completed, the primary ejection of the small amplitude is matched, the damage to the surface of a product during demolding can be reduced, and the quality of the product is improved.

Drawings

FIG. 1 is a front elevation cut-away view of an embodiment of the present invention;

fig. 2 is a side view of the cross-sectional structure of fig. 1 at a-a.

Reference numerals: 1. a work table; 2. a support bar; 3. die sleeve; 4. a sliding bottom plate; 5. an electric push rod; 6. a carrier plate; 7. a connecting plate; 8. a connecting rod; 9. rotating the rod; 10. a double-layer fluted disc; 11. a rack plate; 12. a circular fluted disc; 13. an inner toothed belt; 14. a transmission rod; 15. an eccentric wheel; 16. and a push rod.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the secondary ejection and demolding device for the injection mold provided by the utility model comprises a workbench 1, wherein the top of the workbench 1 is fixedly connected with four support rods 2, the top ends of the four support rods 2 are fixedly connected with a mold sleeve 3 together, the interior of the mold sleeve 3 is slidably connected with a sliding bottom plate 4, the top of the workbench 1 is fixedly connected with an electric push rod 5, a telescopic shaft of the electric push rod 5 is fixedly connected with a support plate 6, the top of the support plate 6 is fixedly connected with an ejector rod 16, and the ejector rod 16 is positioned below the sliding bottom plate 4. A connecting plate 7 is fixedly connected above the carrier plate 6 through a connecting rod 8.

In this embodiment: two circular through holes are formed in the connecting plate 7, and the two ejector rods 16 respectively penetrate through the two circular through holes; the top of the workbench 1 is fixedly connected with a plurality of guide rods, the guide rods movably penetrate through the inside of the support plate 6, and the guide rods play a role in guiding the movement of the support plate 6.

When demoulding is needed, the electric push rod 5 is operated to drive the support plate 6 to ascend, and the sliding bottom plate 4 is driven to slide upwards under the connection of the ejector rod 16, so that one-time mould jacking is completed.

Example two

As shown in fig. 1-2, compared with the first embodiment, the secondary ejection and demolding device for an injection mold further includes a connecting plate 7, a transmission rod 14 is disposed above the connecting plate 7, an eccentric wheel 15 is fixedly sleeved on the periphery of the transmission rod 14, two sides of the carrier plate 6 are rotatably connected with rotation rods 9, and the rotation rods 9 are in transmission connection with the transmission rod 14 through a transmission mechanism.

In this embodiment: the two ends of the transmission rod 14 are rotatably sleeved with positioning sleeves, the bottoms of the positioning sleeves are fixedly connected with positioning rods, the bottom ends of the positioning rods are fixedly connected with the tops of the connecting plates 7, and the positioning rods and the positioning sleeves play a role in supporting and positioning the transmission rod 14; the transmission mechanism comprises a double-layer fluted disc 10 fixedly connected to the outer end of the rotating rod 9 and a round fluted disc 12 fixedly sleeved on the periphery of a transmission rod 14, the round fluted disc 12 is in transmission connection with a big fluted disc of the double-layer fluted disc 10 through an inner toothed belt 13, the top of the workbench 1 is fixedly connected with two rack plates 11, the rack plates 11 are in meshing transmission with small fluted discs of the double-layer fluted disc 10, and the double-layer fluted disc of the double-layer fluted disc 10 has a speed regulation function; two rectangular through holes are formed in the connecting plate 7, and the two inner toothed belts 13 penetrate through the two rectangular through holes respectively.

When the primary top die rises, the rack plate 11 and the pinion of the double-layer fluted disc 10 are meshed for transmission to drive the rotating rod 9 to rotate, the transmission rod 14 is driven to rotate under the action of the transmission mechanism, the transmission rod 14 rotates to enable the eccentric wheel 15 below the sliding bottom plate 4 to continuously rotate, so that the secondary top die with small amplitude is completed, the primary top die is matched, the damage to the surface of a product during demolding can be reduced, and the quality of the product is improved.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides an injection mould quadratic term ejection shedder, includes workstation (1), four bracing pieces of top fixedly connected with (2) of workstation (1), the common fixedly connected with die sleeve (3) in top of four bracing pieces (2), the inside sliding connection of die sleeve (3) has sliding bottom plate (4), its characterized in that: the top fixedly connected with electric putter (5) of workstation (1), telescopic shaft fixedly connected with support plate (6) of electric putter (5), top fixedly connected with ejector pin (16) of support plate (6), connecting rod (8) fixedly connected with connecting plate (7) are passed through to the top of support plate (6), and the top of connecting plate (7) is provided with transfer line (14), and the peripheral fixed cover of transfer line (14) is equipped with eccentric wheel (15), the both sides of support plate (6) all rotate and are connected with dwang (9), and dwang (9) are connected through drive mechanism and transfer line (14) transmission.

2. The secondary ejection and demolding device for the injection mold according to claim 1, wherein two circular through holes are formed in the connecting plate (7), and the two ejector rods (16) respectively penetrate through the two circular through holes.

3. The secondary ejection and demolding device for the injection mold according to claim 2, characterized in that a plurality of guide rods are fixedly connected to the top of the workbench (1) and movably penetrate through the inside of the carrier plate (6).

4. The secondary ejection and demolding device for the injection mold according to claim 1, wherein two ends of the transmission rod (14) are rotatably sleeved with positioning sleeves, positioning rods are fixedly connected to the bottoms of the positioning sleeves, and the bottom ends of the positioning rods are fixedly connected with the tops of the connecting plates (7).

5. The secondary ejection and demolding device for the injection mold as claimed in claim 4, wherein the transmission mechanism comprises a double-layer fluted disc (10) fixedly connected to the outer end of the rotating rod (9) and a round fluted disc (12) fixedly sleeved on the periphery of the transmission rod (14), and the round fluted disc (12) is in transmission connection with a large fluted disc of the double-layer fluted disc (10) through an inner toothed belt (13).

6. The injection mold secondary ejection and demolding device as claimed in claim 5, wherein two rack plates (11) are fixedly connected to the top of the workbench (1), and the rack plates (11) and the small toothed discs of the double-layer toothed disc (10) are in meshing transmission.

7. The secondary ejection and demolding device for the injection mold as claimed in claim 6, wherein two rectangular through holes are formed in the connecting plate (7), and the two inner toothed belts (13) respectively penetrate through the two rectangular through holes.