CN211492686U - Injection molding does not have deformation shedder - Google Patents

Abstract

The utility model relates to the technical field of injection molding, and discloses a non-deformation demoulding device for injection molded parts, which comprises a bottom plate, a fixing groove is arranged on the outer side of the fixing rod, a movable block is arranged inside the fixing groove, and the top of the movable block is arranged There is a movable rod, the top of the movable rod has a movable frame, the inner bottom wall of the movable frame has a movable rod, the top of the movable rod has a first conductive sheet, and the right side of the first conductive sheet has a second conductive sheet. The conductive sheet has an upper template on the top of the mold plate, a fixed template on the top of the upper template, an injection nozzle in the middle of the fixed template, and a roller between the injection nozzle and the upper template. Through the rotation of the opening of the ball and the inner wall of the injection nozzle, the push rod pushes the connecting rod to move up, the connecting rod moves up to push the fixed seat up, and the fixed seat moves up to push out the injection molding. The force area is uniform, and the force is the same size, it is not easy to cause the deformation of the demoulding during the demoulding process, and the quality of the demoulding is guaranteed.

Description

A non-deformation demoulding device for injection molded parts

technical field

The utility model relates to the technical field of injection molding, in particular to a non-deformation demoulding device for injection molding parts.

Background technique

Injection molding is a method of producing modeling for industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding molding method and die casting method. Injection molding machine is the main equipment for making plastic products of various shapes using plastic molding molds from thermoplastics or heat fixatives. Injection molding is realized by injection molding machines and molds. High pressure is injected into the mold cavity, and after cooling and solidification, a molded product is obtained. Deformation occurs in the process of injection molding, and demoulding the plastic parts before they are completely cooled will also cause plastic deformation. Therefore, in order to ensure the quality of the plastic parts and improve the efficiency of injection molding and demolding, we propose an injection molding part without deformation. Release device.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a non-deformation demoulding device for injection molded parts, which has the advantages of no deformation of the finished injection molded parts during demoulding, and solves the problem that the finished injection molded parts are easily deformed during demoulding. .

(2) Technical solutions

In order to achieve the purpose that the above-mentioned injection molded parts are not deformed during demoulding, the present utility model provides the following technical solutions: a non-deformation demoulding device for injection molded parts, comprising a bottom plate, the top of which is fixedly connected with a support and a first spring. , a second spring and a fixed rod, the top of the support seat is movably connected with a connecting rod, the top of the connecting rod is fixedly connected with a fixed seat, the top of the second spring is fixedly connected with a rack, and the top of the rack is fixedly connected with a rack. The right side is movably connected with a gear, the left side of the rack is fixedly connected with a push rod, a fixing slot is opened on the outer side of the fixing rod, a movable block is movably connected inside the fixing slot, and the top of the movable block is fixed A movable rod is connected, a movable frame is fixedly connected to the top of the movable rod, a movable rod is movably connected to the inner bottom wall of the movable frame, and a first conductive sheet is fixedly connected to the top of the movable rod. A second conductive sheet is arranged on the right side of the sheet, a vertical rod is fixedly connected to the right side of the second conductive sheet, a nozzle is fixedly connected to the right side of the vertical rod, and a mold plate is fixedly connected to the top of the rack. The top of the mold plate is fixedly connected with an upper template, the top of the upper template is fixedly connected with a fixed template, an injection nozzle is inserted in the middle of the fixed template, and a roller is movably connected between the injection nozzle and the upper template.

Preferably, the connecting rod is located just below the push rod, and the movement of the push rod drives the connecting rod to move.

Preferably, the outer side of the fixing rod is sleeved with a spring.

Preferably, a spring is sleeved on the outer side of the moving rod.

Preferably, the fixing seat is located on the inner top wall of the mold plate, and the fixing seat pushes the mold to move.

Preferably, the movable block is located on the top of the outer spring of the fixing rod, and the movable block is used to fix the position of the spring.

Preferably, the top of the moving rod is provided with a groove, and the fixed rod inside the movable frame presses the spring outside the moving rod in the groove.

Preferably, the spring on the outer side of the fixing rod is connected to the bottom of the die plate through a connecting wire, and the die plate drives the spring on the outer side of the fixing rod to expand and contract through the connecting wire.

(3) Beneficial effects

Compared with the prior art, the utility model provides a non-deformation demoulding device for injection molded parts, which has the following beneficial effects:

1. The ejection device for injection molded parts coincides with the inner wall of the injection nozzle through the rotation of the opening of the ball, the rotation of the gear meshes with the rack, the rotation of the gear drives the rack to move down, the rack compresses the second spring downward, and the rack moves down to drive The mold plate moves down, the mold plate moves down to drive the fixed seat down, the rack drives the push rod to move down and contacts with the connecting rod, the push rod pushes the connecting rod to move up, the connecting rod moves up to push the fixed base to move up, and the fixed base moves up to move The injection molding will be ejected. When the injection molded product is demolded, the force area is uniform and the force is the same. It is not easy to cause demoulding deformation during the demoulding process, so as to ensure the quality of demolding.

2. The demoulding device for injection molded parts moves down through the mold plate, the mold plate drives the spring outside the fixed rod to move down, the spring moves down to drive the movable block to move down in the fixed groove, and the movable block drives the movable frame to move down through the movable rod. The moving frame moves down to drive the spring outside the moving rod from being squeezed, the moving rod moves down to drive the moving frame to reset, the moving frame drives the moving rod to reset, the moving rod drives the first conductive sheet to contact the second conductive sheet, the circuit is energized, and the nozzle The inside of the mold is sprayed with air to cool the inside of the mold to ensure that the plastic is demolded after it is completely cooled, and the quality of the injection molded parts is guaranteed.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the upper formwork part of the utility model;

FIG. 3 is a schematic structural diagram of a part of the movable frame of the present invention.

In the figure: 1-base plate, 2-support seat, 3-connecting rod, 4-fixed seat, 5-first spring, 6-second spring, 7-rack, 8-gear, 9-fixed rod, 10- Fixed slot, 11-moving block, 12-ball, 13-moving rod, 14-moving frame, 15-moving rod, 16-first conductive sheet, 17-second conductive sheet, 18-vertical rod, 19-nozzle, 20-push rod, 21-mold plate, 22-upper template, 23-fixed template, 24-injection nozzle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-3, a non-deformation demoulding device for injection molded parts, including a base plate 1, the top of the base plate 1 is fixedly connected with a support base 2, a first spring 5, a second spring 6 and a fixing rod 9, and the fixing rod 9 is located at the top of the base plate 1. Outside the second spring 6, the first spring 5 is located between the support bases 2, the top of the support base 2 is movably connected with a connecting rod 3, the connecting rod 3 is located below the push rod 20, and the push rod 20 moves to drive the connecting rod 3 to move, The top of the connecting rod 3 is fixedly connected with a fixed seat 4, the fixed seat 4 is located at the bottom of the mold inside the mold plate 21, the fixed seat 4 pushes the mold to move, the top of the second spring 6 is fixedly connected with a rack 7, and the right side of the rack 7 is fixed. The gear 8 is movably connected, the outer side of the gear 8 has a half tooth block, the left side of the rack 7 is fixedly connected with a push rod 20, the outer side of the fixing rod 9 is provided with a fixing groove 10, and the spring on the outer side of the fixing rod 9 is connected by a connecting line The bottom of the mold plate 21, the mold plate 21 drives the spring on the outside of the fixed rod 9 to expand and contract through the connecting line, the outside of the fixed rod 9 is covered with a spring, and the inside of the fixed groove 10 is movably connected with a movable block 11, and the movable block 11 is located outside the fixed rod 9 The top of the spring, the movable block 11 is used to fix the position of the spring, the top of the movable block 11 is fixedly connected with the movable rod 13, the outer side of the movable rod 13 is covered with a spring, and the top of the movable rod 13 is fixedly connected with the movable frame 14, the movable frame 14 A moving rod 15 is movably connected to the inner bottom wall of the moving rod 15, a groove is formed on the top of the moving rod 15, the rod inside the movable frame 14 presses the spring outside the moving rod 15 in the groove, and the top of the moving rod 15 is fixedly connected with a first conductive Sheet 16, the right side of the first conducting sheet 16 is provided with a second conducting sheet 17, the right side of the second conducting sheet 17 is fixedly connected with a vertical rod 18, the right side of the vertical rod 18 is fixedly connected with a nozzle 19, A mold plate 21 is fixedly connected to the top, an upper template 22 is fixedly connected to the top of the mold plate 21, a fixed template 23 is fixedly connected to the top of the upper template 22, and an injection nozzle 24 is inserted in the middle of the fixed template 23. The injection nozzle 24 and the upper template 22 A roller 12 is movably connected therebetween, and a through opening is opened on the outer side of the roller 12 .

Working principle: The injection molding machine injects injection into the mold cavity through the injection nozzle 24, and the motor drives the ball 12 at the bottom of the injection nozzle 24 to rotate. Since the ball 12 is connected to the bearing of the gear 8 through the connecting line, the rotation of the ball 12 drives the gear 8 to rotate through the connecting line. The opening of the ball 12 rotates to coincide with the injection nozzle 24, and the plastic injection material enters the mold cavity. At this time, the smooth surface of the gear 8 rotates to contact the rack 7, and the rack 7 does not move. When the inner wall of the nozzle 24 is in contact, the injection molding material does not enter the mold cavity, and the tooth block of the gear 8 is just in contact with the rack 7 at this time. The rotation of the gear 8 drives the rack 7 to move down, and the rack 7 moves down to drive the mold plate 21. Moving down, the mold plate 21 drives the spring on the outside of the fixed rod 9 to move down. Since the movable block 11 is located on the top of the spring, the spring moves down and drives the movable block 11 to move down in the fixed groove 10, and the movable block 11 drives the movable frame through the movable rod 13. 14 moves down, the moving frame 14 moves down to drive the spring on the outside of the moving rod 15 not to be squeezed, the moving rod 15 moves down to drive the moving frame 14 to reset, the moving frame 14 drives the moving rod 15 to reset, and the moving rod 15 drives the first conductive sheet 16 Contact with the second conductive sheet 17, the circuit is energized, the nozzle 19 sprays air into the mold to cool the inside of the mold, while the rack 7 moves down to compress the second spring 6 and drives the push rod 20 to move down, and the mold plate 21 moves down to drive The fixed seat 4 moves down, the downward movement of the fixed seat 4 drives the connecting rod 3 to move down, the mold plate 21 moves down to compress the first spring 5, the push rod 20 moves down and contacts the connecting rod 3, the push rod 20 presses the connecting rod 3, and the connecting rod The upper section of 3 moves up, the connecting rod 3 pushes the fixed seat 4 upward, the fixed seat 4 moves up to push out the injection molded part, when the opening of the ball 12 rotates to coincide with the injection nozzle 24, the gear 8 rotates to the smooth surface, the rack 7 No force, the second spring 6 pushes the rack 7 to reset, the rack 7 pushes the die plate 21 to reset, and at the same time the first spring 5 resets, the die plate 21 moves up and drives the spring on the outside of the fixed rod 9 to move up and reset, and the spring pushes the movable block 11 moves up, the moving block 11 moves up and drives the moving rod 13 to squeeze the moving frame 14 to move up, the moving frame 14 compresses the spring on the outside of the moving rod 15, the moving rod 13 pushes the moving frame 14 to move upward, and the moving frame 14 pushes the moving rod 15 to move upward. Moving to the left, the moving rod 15 drives the first conductive sheet 16 and the second conductive sheet 17 to separate, the circuit is disconnected, and the nozzle 19 is not spraying.

In summary, the ejection device for injection molded parts overlaps with the inner wall of the injection nozzle 24 through the opening of the ball 12, the gear 8 rotates and meshes with the rack 7, the gear 8 rotates and drives the rack 7 to move down, and the rack 7 goes down The second spring 6 is compressed, the rack 7 moves down to drive the mold plate 21 down, the mold plate 21 moves down and drives the fixed seat 4 down, the rack 7 drives the push rod 20 to move down and contacts the connecting rod 3, and the push rod 20 pushes the connection The 3 rod moves up, the connecting rod 3 moves up and pushes the fixed seat 4 upward, the fixed seat 4 moves up, and the injection molding will be ejected. When the injection molded product is demolded, the force area is uniform and the force is the same. , In the process of demolding, it is not easy to cause the deformation of demolding, so as to ensure the quality of demolding. The demolding device for injection molded parts moves down through the mold plate 21, and the mold plate 21 drives the spring on the outside of the fixed rod 9 to move down, and the spring moves down. Drive the movable block 11 to move down in the fixed slot 10, the movable block 11 drives the movable frame 14 to move down through the movable rod 13, the movable frame 14 moves down, and the spring outside the movable rod 15 is not squeezed, and the movable rod 15 moves down to drive the movable frame 14 to move down. The frame 14 is reset, the movable frame 14 drives the moving rod 15 to reset, the moving rod 15 drives the first conductive sheet 16 to contact the second conductive sheet 17, the circuit is energized, the nozzle 19 sprays the inside of the mold, and cools the inside of the mold to ensure that the plastic is completely After cooling, demoulding is carried out to ensure the quality of injection molded parts.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an injection molding does not have deformation shedder, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a supporting seat (2), a first spring (5), a second spring (6) and a fixed rod (9), the top of the supporting seat (2) is movably connected with a connecting rod (3), the top of the connecting rod (3) is fixedly connected with a fixed seat (4), the top of the second spring (6) is fixedly connected with a rack (7), the right side of the rack (7) is movably connected with a gear (8), the left side of the rack (7) is fixedly connected with a push rod (20), the outer side of the fixed rod (9) is provided with a fixed groove (10), the inner part of the fixed groove (10) is movably connected with a movable block (11), the top of the movable block (11) is fixedly connected with a movable rod (13), the top of the movable rod (13) is fixedly connected with a movable frame (14), the inner bottom wall of the movable frame (14) is, the utility model discloses a mould, including the top fixedly connected with first conducting strip (16) of carriage release lever (15), the right-hand second conducting strip (17) that is provided with of first conducting strip (16), right side fixedly connected with montant (18) of second conducting strip (17), right side fixedly connected with nozzle (19) of montant (18), the top fixedly connected with mould board (21) of rack (7), the top fixedly connected with cope match-plate pattern (22) of mould board (21), the top fixedly connected with fixed die plate (23) of cope match-plate pattern (22), it has injection moulding mouth (24) to peg graft in the middle of fixed die plate (23), swing joint has gyro wheel (12) between injection moulding mouth (24) and cope match-plate pattern (22).

2. The non-deforming demolding device for injection molded parts of claim 1, wherein: the connecting rod (3) is positioned right below the push rod (20).

3. The non-deforming demolding device for injection molded parts of claim 1, wherein: and a spring is sleeved on the outer side of the fixing rod (9).

4. The non-deforming demolding device for injection molded parts of claim 1, wherein: and a spring is sleeved outside the moving rod (15).

5. The non-deforming demolding device for injection molded parts of claim 1, wherein: the fixed seat (4) is positioned on the inner top wall of the die plate (21).

6. The non-deforming demolding device for injection molded parts of claim 1, wherein: the movable block (11) is positioned at the top of the spring at the outer side of the fixed rod (9).

7. The non-deforming demolding device for injection molded parts of claim 1, wherein: the top of the movable rod (15) is provided with a groove, and a fixed rod in the movable frame (14) presses a spring on the outer side of the movable rod (15) in the groove.

8. The non-deforming demolding device for injection molded parts of claim 1, wherein: and the springs on the outer sides of the fixing rods (9) are connected with the bottom of the die plate (21) through connecting wires.

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