CN218700922U

CN218700922U - Plastic mold's top thimble mechanism to one side

Info

Publication number: CN218700922U
Application number: CN202222330366.8U
Authority: CN
Inventors: 贾海锋; 邢永盛; 黄先陶
Original assignee: Kunshan Mingju Precision Mould Co ltd
Current assignee: Kunshan Mingju Precision Mould Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-24
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the mould field, concretely relates to plastic mold's oblique top thimble mechanism has solved the problem that exists with high costs, fragile among the prior art, including base and straight ejector member and guide pin bushing, the top of base has the template through the screw fixation, the die cavity has been seted up on the template, the top welding of straight ejector member has the voussoir, slidable mounting has the sliding block on the voussoir, there is main oblique thimble through the screw fixation on the sliding block, main ejector pin is installed at the top of main oblique thimble, main ejector pin's inside is seted up flutedly, the welding has the locating piece on main ejector pin's the outer wall, and during the compound die, straight ejector member resets, and straight ejector member drives main oblique thimble downstream, and main oblique thimble drives the reset block downstream, and the reset block drives the locating piece downstream, drives the ejector pin downstream, avoids mould and thimble to hit, long service life.

Description

Plastic mold's top thimble mechanism to one side

Technical Field

The utility model relates to the technical field of mold, specifically a plastic mold's pushes up thimble mechanism to one side.

Background

Currently, an ejector pin refers to a thin rod-shaped part which directly contacts a product in a mold ejection system to eject the product out of a mold; the inclined top refers to a part in the die which plays a role in releasing the back-off and is responsible for ejecting a product.

The inclined ejection mechanism of the plastic mould in the prior art has the following defects: firstly, the thimble need be removed with a plurality of hydro-cylinders and drive the ejecting product of thimble when ejecting the product, and is with high costs, and secondly when the thimble resets, if there is a hydro-cylinder to break down, the condition that mould and thimble collided can appear, causes mould and thimble to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold's oblique top thimble mechanism has solved with high costs, fragile problem.

In order to achieve the above object, the utility model provides a following technical scheme: an inclined ejector pin mechanism of a plastic die comprises a base, a straight ejector pin and a guide sleeve, wherein a template is fixed to the top of the base through screws, a die cavity is formed in the template, a wedge block is welded to the top of the straight ejector pin, a sliding block is slidably mounted on the wedge block, a main inclined ejector pin is fixed to the sliding block through screws, a main ejector pin is mounted at the top of the main inclined ejector pin, a groove is formed in the main ejector pin, a positioning block is welded to the outer wall of the main ejector pin, small holes and sliding grooves are formed in two sides of the main inclined ejector pin respectively, a reset block is slidably mounted in each small hole, a first spring is welded to one end of each reset block, and the other end of each first spring is fixedly connected with the inner wall of each small hole;

the inclined ejector pin structure is characterized in that an auxiliary inclined ejector pin is installed on the main inclined ejector pin, one end of the auxiliary inclined ejector pin is embedded in the sliding groove, an auxiliary ejector pin is installed at one end of the auxiliary inclined ejector pin respectively, a slotted hole is formed in the auxiliary ejector pin, a sliding rod is connected to the inside of the slotted hole in a sliding mode, and one end of the sliding rod is fixedly connected with the auxiliary inclined ejector pin.

Preferably, the wedge block is provided with a chute, and the sliding block is in sliding connection with the chute.

Preferably, the guide sleeve is provided with a through groove, and the auxiliary inclined thimble can penetrate through the through groove.

Preferably, a second spring is welded at the top of the main inclined thimble, and the other end of the second spring is fixedly connected with the inner wall of the groove.

Preferably, one end of the sliding rod is welded with a third spring, and the other end of the third spring is fixedly connected with the inner wall of the slotted hole.

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

1. the utility model discloses a setting of main oblique thimble, vice oblique thimble isotructure, when the ejecting product of thimble, straight liftout drives main oblique thimble and vice oblique thimble and moves together, needn't use a plurality of oil cylinder drive, reduce cost.

2. The utility model discloses a setting of locating piece, reset block isotructure, during the compound die, straight ejector piece resets, and straight ejector piece drives main thimble downstream to one side, and main thimble drives reset block downstream to one side, and the reset block drives the locating piece downstream, and the locating piece drives ejector die needle downstream, avoids mould and thimble to collide with long service life.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a drawing of the utility model at the reference number A;

fig. 4 is a diagram of the utility model at the position of reference B.

In the figure: 1. a base; 2. a straight top piece; 3. a wedge block; 4. a slider; 5. a main inclined thimble; 6. a main ejector pin; 7. a template; 8. a mold cavity; 9. positioning blocks; 10. a reset block; 11. a small hole; 12. a chute; 13. a guide sleeve; 14. a secondary inclined thimble; 15. a secondary ejector pin; 16. a slide bar.

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. 1-4, an inclined ejector pin mechanism of a plastic mold comprises an inclined ejector pin mechanism of a plastic mold, and comprises a base 1, a straight ejector pin 2 and a guide sleeve 13, wherein a template 7 is fixed on the top of the base 1 through screws, a mold cavity 8 is formed in the template 7, a wedge 3 is welded on the top of the straight ejector pin 2, a sliding block 4 is slidably mounted on the wedge 3, a main inclined ejector pin 5 is fixed on the sliding block 4 through screws, a main ejector pin 6 is mounted on the top of the main inclined ejector pin 5, a groove is formed in the main ejector pin 6, a positioning block 9 is welded on the outer wall of the main ejector pin 6, a small hole 11 and a sliding groove 12 are respectively formed in two sides of the main inclined ejector pin 5, a reset block 10 is slidably mounted in the small hole 11, one end of the reset block 10 is welded with a first spring, and the other end of the first spring is fixedly connected with the inner wall of the small hole 11; the main inclined thimble 5 is provided with an auxiliary inclined thimble 14, one end of the auxiliary inclined thimble 14 is embedded in the sliding groove 12, one end of the auxiliary inclined thimble 14 is respectively provided with an auxiliary ejector pin 15, the auxiliary ejector pin 15 is provided with a slotted hole, the inside of the slotted hole is connected with a sliding rod 16 in a sliding manner, one end of the sliding rod 16 is fixedly connected with the auxiliary inclined thimble 14, when the thimble ejects a product, the straight ejector 2 drives the main inclined thimble 5 and the auxiliary inclined thimble 14 to move together, a plurality of oil cylinders are not required for driving, and the cost is reduced.

Referring to fig. 1-3, a chute is formed in the wedge 3, when the sliding block 4 is slidably connected with the chute to mold, the straight ejector 2 is reset, the straight ejector 2 drives the main inclined ejector pin 5 to move downward, the main inclined ejector pin 5 drives the reset block 10 to move downward, the reset block 10 drives the positioning block 9 to move downward, the positioning block 9 drives the ejector pin to move downward, so that the mold is prevented from colliding with the ejector pin, and the service life of the mold is long.

Referring to fig. 3-4, a through groove is formed on the guide sleeve 13, and the auxiliary inclined thimble 14 can pass through the through groove.

Referring to fig. 2, a second spring is welded to the top of the main inclined thimble 5, and the other end of the second spring is fixedly connected to the inner wall of the groove.

Referring to fig. 4, a third spring is welded to one end of the sliding rod 16, and the other end of the third spring is fixedly connected to the inner wall of the slot.

The utility model discloses the concrete implementation process as follows: when the mold is opened, the straight ejector 2 moves upwards when the mold is opened and closed, the straight ejector 2 is driven by an oil cylinder, the straight ejector 2 is not shown in the drawing, the straight ejector 2 drives the wedge 3 to move upwards, the wedge 3 drives the main inclined ejector pin 5 and the main ejector pin 6 to move upwards together, the direction of the main inclined ejector pin 5 is unchanged under the action of the guide sleeve 13, when the main ejector pin 6 ejects a product to a corresponding position, the positioning block 9 abuts against the groove wall formed by the mold, the main ejector pin 6 continues to move, the main ejector pin 6 does not move, the second spring retracts inwards, the main inclined ejector pin 5 continues to move in the groove, when the reset block 10 moves to the positioning block 9, the first spring retracts inwards, the reset block 10 moves into the small hole 11, the bottom of the sliding groove 12 of the main inclined ejector pin 5 abuts against the bottom of the auxiliary inclined ejector pin 14, so that the auxiliary inclined ejector pin 14 and the auxiliary ejector pin 15 move upwards, the main inclined ejector pin 5 abuts against the auxiliary inclined ejector pin 14, the third spring retracts inwards, the third spring drives the slide bar 16 and the auxiliary inclined ejector pin 14 to move upwards and move in a straight line in the groove hole 15 during the mold opening process;

when the die is assembled, the straight ejector piece 2 drives the wedge block 3 and the main inclined ejector pin 5 to reset, the main inclined ejector pin 5 moves downwards, when the reset block 10 moves to the positioning block 9, the reset block 10 moves outwards under the action of the first spring, the reset block 10 abuts against the positioning block 9 to drive the positioning block 9 and the main ejector pin 6 to reset, and when the top of the chute 12 of the main inclined ejector pin 5 abuts against the top of the auxiliary inclined ejector pin 14, the auxiliary inclined ejector pin 14 and the auxiliary ejector pin 15 are driven to reset;

the elastic force of the second spring of the main inclined thimble 5 is enough to eject the product, so that the second spring is not retracted when the product is jacked, and a space enough for moving each part is formed in the template 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a plastic mold's oblique top thimble mechanism, includes base (1) and straight top (2) and guide pin bushing (13), its characterized in that: the die is characterized in that a die plate (7) is fixed to the top of the base (1) through screws, a die cavity (8) is formed in the die plate (7), a wedge block (3) is welded to the top of the straight ejector piece (2), a sliding block (4) is slidably mounted on the wedge block (3), a main inclined ejector pin (5) is fixed to the sliding block (4) through screws, a main ejector pin (6) is mounted at the top of the main inclined ejector pin (5), a groove is formed in the main ejector pin (6), a positioning block (9) is welded to the outer wall of the main ejector pin (6), small holes (11) and sliding grooves (12) are formed in two sides of the main inclined ejector pin (5), a reset block (10) is slidably mounted in the small holes (11), a first spring is welded to one end of the reset block (10), and the other end of the first spring is fixedly connected with the inner wall of the small holes (11);

install vice oblique thimble (14) on main oblique thimble (5), the one end nestification of vice oblique thimble (14) is in the inside of spout (12), vice ejector die needle (15) are installed respectively to the one end of vice oblique thimble (14), the slotted hole has been seted up on vice ejector die needle (15), the inside sliding connection of slotted hole has slide bar (16), the one end of slide bar (16) with vice oblique thimble (14) fixed connection.

2. The angle ejector pin mechanism of a plastic mold according to claim 1, wherein: the wedge block (3) is provided with a chute, and the sliding block (4) is in sliding connection with the chute.

3. The angle ejector pin mechanism of a plastic mold according to claim 1, wherein: a through groove is formed in the guide sleeve (13), and the auxiliary inclined ejector pin (14) can penetrate through the through groove.

4. The angle ejector pin mechanism of a plastic mold according to claim 1, wherein: and a second spring is welded at the top of the main inclined thimble (5), and the other end of the second spring is fixedly connected with the inner wall of the groove.

5. The angle ejector pin mechanism of a plastic mold according to claim 1, wherein: and a third spring is welded at one end of the sliding rod (16), and the other end of the third spring is fixedly connected with the inner wall of the slotted hole.