CN220638779U - Ejector rod demoulding mechanism of injection molding machine - Google Patents

Abstract

The utility model discloses an ejector rod demolding mechanism of an injection molding machine, which relates to the field of injection molding machines and comprises a workbench, wherein a portal frame is fixedly arranged above the workbench, an electric push rod is fixedly arranged above the portal frame, the output end of the electric push rod is fixedly connected with a bracket, a mold block is arranged below the bracket, two groups of first driving rods are fixedly arranged on one side of the mold block, and two groups of first driving rods are movably connected with a cutting device. According to the utility model, the die block, the first driving rod, the second driving rod and the gear are fixedly connected to the bracket through the output end of the motor, and the die block can be driven to move up and down through the movement of the bracket, at the moment, the two groups of first driving rods fixedly arranged on one side of the die block are meshed with the connecting gear, when the die block moves, the gear can synchronously rotate, and the second driving rod can be driven to move back and forth through the second driving rod meshed with the middle of the gear, so that the cutting plate is ensured to cut an injection molding product from the workbench.

Description

Ejector rod demoulding mechanism of injection molding machine

Technical Field

The utility model relates to the field of injection molding machines, in particular to a push rod demolding mechanism of an injection molding machine.

Background

Injection molding machines, also known as injection molding machines or injection molding machines, are the main molding equipment for producing plastic products of various shapes from thermoplastic or thermosetting plastics by using plastic molding dies, and are divided into vertical, horizontal and all-electric type, and the injection molding machines can heat the plastics, apply high pressure to the molten plastics, and make the molten plastics be ejected to fill the die cavity of the dies.

When the existing injection molding machine is used, two molds are often attached, then the inner cavity is filled with solution in an injection molding opening, the solution in the mold is rapidly cooled through a cooling system on a mold block, then the two molds are separated, and staff deducts the injection molded product.

However, the above-mentioned use mode, after the injection molding product is accomplished, need manual deduction, it is very troublesome, manual long-time operation can cause personnel tired out, work efficiency is low, inconvenient use

Disclosure of Invention

Based on the above, the present utility model is directed to an ejector pin demolding mechanism of an injection molding machine, so as to solve the technical problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ejector pin demoulding mechanism of injection molding machine, includes the workstation, the fixed portal frame that is provided with in workstation top, portal frame top fixed mounting has electric putter, electric putter output fixedly connected with support, and the support below is provided with the mould piece, mould piece one side is fixed to be provided with two sets of first actuating levers, two sets of first actuating lever swing joint has cutting device, portal frame below activity is provided with the movable block.

Through adopting above-mentioned technical scheme, output fixed connection through the motor is on the support, the removal of accessible support, thereby drive the mould piece and reciprocate, two sets of first actuating lever meshing connecting gear that set up through mould piece one side is fixed this moment, when the mould piece removes, the gear can rotate in step, through the second actuating lever of gear intermediate engagement, can drive the second actuating lever and carry out the back and forth movement, thereby ensure that the cutting board will mould plastics the product and excision from the workstation, and push away the product from the workstation through second actuating lever tip, this kind of mode need not the manual work, excision from the mould with the product, and can be automatic push away from the workstation with the product that the completion of moulding plastics.

The cutting device comprises a gear, a second driving rod, a sliding block and a cutting plate, wherein two groups of installation racks are arranged on one side of the workbench, the two groups of installation racks are movably provided with the gear, two ends of the gear are connected with a group of first driving rods in a meshed mode, the middle of the gear is connected with a group of second driving rods in a meshed mode, the second driving rods are arranged above the workbench in a sliding mode, and the cutting plate is fixedly arranged at one end of each second driving rod.

Through adopting above-mentioned technical scheme, the setting of crossing cutting device can make the product after finishing moulding plastics, and the mould piece rises, can make the second actuating lever remove forward to cut the product from the workstation, and push away the workstation surface through the second actuating lever.

The utility model is further characterized in that a fixed rod is fixedly arranged below the portal frame, a moving block is slidably arranged on the outer wall of the fixed rod, a spring is fixedly arranged above the moving block, and one end of the spring is fixedly connected below the portal frame.

Through adopting above-mentioned technical scheme, through dead lever and the movable block that the portal frame below set up, when can making the mould piece initially rise, the movable block still is in the normal position, pushes down the product on the workstation, drives the product and removes when preventing that the mould piece from rising.

The utility model is further characterized in that a second limiting block is arranged at the end part of the fixed rod, and a sliding groove is arranged on the inner wall of the moving block and matched with the moving track of the second limiting block.

Through adopting above-mentioned technical scheme, through the second stopper that the dead lever tip set up, can prevent that the movable block from being promoted by the spring and excessively descend to break away from the spacing of dead lever.

The utility model is further characterized in that a first limiting block is arranged on the outer wall of the moving block, and a sliding groove matched with the moving track of the first limiting block is arranged in the die block.

Through adopting above-mentioned technical scheme, the first stopper that the movable block outer wall set up can make the mould piece rise when certain height, can drive the rising of movable block.

The utility model is further characterized in that a group of sliding blocks are fixedly arranged above the workbench, and sliding grooves are formed in the second driving rod and matched with the sliding track of the sliding blocks.

Through adopting above-mentioned technical scheme, through the slider that sets up on the workstation, when can making gear drive second actuating lever, the second actuating lever can be according to fixed direction round trip movement.

The utility model is further characterized in that four groups of sliding rods are arranged below the die block, four groups of sliding holes are arranged inside the workbench, the sliding holes are matched with the sliding rods 501, and an injection molding hole is arranged in the middle of the workbench.

Through adopting above-mentioned technical scheme, through the setting of slide hole and slide bar, can make the mould piece reciprocate according to fixed direction, simultaneously through the setting of injection molding hole, can make the mould piece laminating workstation time, can mould plastics to the mould piece inside.

In summary, the utility model has the following advantages:

1. according to the utility model, the die block, the first driving rod, the second driving rod and the gear are fixedly connected to the bracket through the output end of the motor, and the die block can be driven to move up and down through the movement of the bracket, at the moment, the two groups of first driving rods fixedly arranged on one side of the die block are meshed with the connecting gear, when the die block moves, the gear can synchronously rotate, and the second driving rod can be driven to move back and forth through the second driving rod meshed with the middle of the gear, so that the cutting plate is ensured to cut an injection molding product from a workbench, and the product is pushed to fall from the workbench through the end part of the second driving rod.

2. According to the utility model, the portal frame, the springs, the fixed rods and the moving blocks are connected between the moving blocks and the portal frame through the springs, so that the moving blocks can be pushed to a limit state by the springs when no resistance is applied to the moving blocks, and therefore, when the mould blocks move upwards, the moving blocks can press injection products on the workbench, and when the mould blocks move upwards, the products are prevented from synchronously moving along with the mould blocks.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a rear perspective view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a partial cutaway perspective view of the present utility model;

FIG. 5 is an enlarged view of the utility model at B;

FIG. 6 is a cutaway perspective view of a traveling block of the present utility model;

FIG. 7 is an enlarged view of the utility model at C;

fig. 8 is a cross-sectional plan view of a slider of the present utility model.

In the figure: 1. a work table; 101. injection molding holes; 102. a slide hole; 103. a mounting frame; 104. a slide block; 2. a portal frame; 3. an electric push rod; 4. a bracket; 5. a mold block; 501. a slide bar; 6. a first driving lever; 7. a gear; 8. a second driving lever; 801. cutting a plate; 9. a spring; 10. a moving block; 1001. a first limiting block; 11. a fixed rod; 1101. and a second limiting block.

Detailed Description

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. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

An ejector rod demoulding mechanism of an injection molding machine, as shown in figures 1-8, comprises a workbench 1, a portal frame 2 is fixedly arranged above the workbench 1, an electric push rod 3 is fixedly arranged above the portal frame 2, the output end of the electric push rod 3 is fixedly connected with a bracket 4, a mould block 5 is arranged below the bracket 4, firstly, the electric push rod 3 is started, the mould block 5 is driven to synchronously move downwards by the bracket 4 through the downward movement of the electric push rod 3, two groups of first driving rods 6 are fixedly arranged on one side of the mould block 5, the two groups of first driving rods 6 are movably connected with a cutting device, a moving block 10 is movably arranged below the portal frame 2, when the mould block 5 moves downwards, a spring 9 arranged at the bottom of the bracket 4 pushes the moving block 10 to synchronously move, when the electric push rod 3 moves to a limit distance, the workbench 1 and the mould block 5 are completely attached, at this time, the lower surface of the moving block 10 will be flush with the inner wall of the mold block 5, the second limiting block 1101 at the end of the fixed rod 11 will clamp the moving block 10 to prevent the moving block 10 from moving downwards, and the mold block 5 will also move to the limit distance, when the mold block 5 moves downwards, two groups of first driving rods 6 fixedly arranged at one side of the mold block 5 will move downwards and drive the gear 7 to rotate 1, the second driving rod 8 will be driven to move by the rotation of the gear 7, the second driving rod 8 will be driven to move according to the fixed route by the arrangement of the sliding block 104, when the gear 7 stops moving, the second driving rod 8 will retract to the limit distance, at this time, the cutting plate 801 at the end of the second driving rod 8 will clamp in the mold block 5, then injection molding is performed into the mold block 5 through the injection molding hole 101, waiting for the completion of injection molding and cooling, the electric push rod 3 will be restarted, at this time, the electric push rod 3 drives the die block 5 to move upwards through the support 4, the moving block 10 is still in a pressing state through the arrangement of the spring 9, after the die block 5 moves upwards for a certain distance and is separated from the injection molding product, the groove in the die block 5 drives the moving block 10 to move upwards through the first limiting block 1001, so that the moving block 10 is separated from the injection molding product, and the moving block 10 gradually compresses the spring 9, so that the next use is realized.

Referring to fig. 3, the cutting device includes a gear 7, a second driving rod 8, a slider 104 and a cutting plate 801, one side of the working table 1 is provided with two groups of mounting frames 103, the two groups of mounting frames 103 are movably provided with the gear 7, two ends of the gear 7 are all engaged and connected with a group of first driving rods 6, the middle part of the gear 7 is engaged and connected with a group of second driving rods 8, the second driving rods 8 are slidably arranged above the working table 1, one end of each second driving rod 8 is fixedly provided with the cutting plate 801, after the product is injection molded, the die block 5 is lifted up through the arrangement of the cutting device, and the second driving rods 8 can be moved forward, so that the product is cut from the working table 1, and the surface of the working table 1 is pushed down through the second driving rods 8.

Referring to fig. 1 and 2, a fixed rod 11 is fixedly arranged below the portal frame 2, a moving block 10 is slidably arranged on the outer wall of the fixed rod 11, a spring 9 is fixedly arranged above the moving block 10, one end of the spring 9 is fixedly connected below the portal frame 2, and when the mold block 5 is initially lifted up through the fixed rod 11 and the moving block 10 arranged below the portal frame 2, the moving block 10 is still in place, a product is pressed down on the workbench 1, and the product is prevented from being driven to move when the mold block 5 is lifted up.

Referring to fig. 6, a second limiting block 1101 is disposed at an end of the fixed rod 11, a sliding groove is disposed on an inner wall of the moving block 10 and matches with a moving track of the second limiting block 1101, and the moving block 10 is prevented from being excessively lowered by being pushed by the spring 9 by the second limiting block 1101 disposed at the end of the fixed rod 11, thereby being separated from the limiting of the fixed rod 11.

Referring to fig. 4, a first limiting block 1001 is disposed on an outer wall of the moving block 10, a sliding groove is disposed in the mold block 5 and matches with a moving track of the first limiting block 1001, and the first limiting block 1001 disposed on the outer wall of the moving block 10 can drive the moving block 10 to rise when the mold block 5 rises to a certain height.

Referring to fig. 8, a set of sliding blocks 104 is fixedly disposed above the working table 1, and a sliding groove is disposed inside the second driving rod 8 and matches with a moving track of the sliding blocks 104, so that the second driving rod 8 can move back and forth according to a fixed direction when the gear 7 drives the second driving rod 8 through the sliding blocks 104 disposed on the working table 1.

Referring to fig. 4 and 6, four sets of slide bars 501 are disposed below the mold block 5, four sets of slide holes 102 are disposed inside the workbench 1, the slide holes 102 are matched with the slide bars 501, injection molding holes 101 are disposed in the middle of the workbench 1, the mold block 5 can move up and down according to a fixed direction through the arrangement of the slide holes 102 and the slide bars 501, and injection molding can be performed inside the mold block 5 when the mold block 5 is attached to the workbench 1 through the arrangement of the injection molding holes 101.

The working principle of the utility model is as follows: when the injection molding machine is used, firstly, the electric push rod 3 is started, the die block 5 can be driven to synchronously move downwards through the bracket 4 by the downward movement of the electric push rod 3, when the die block 5 moves downwards, the spring 9 arranged at the bottom of the bracket 4 can push the moving block 10 to synchronously move, when the electric push rod 3 moves to a limit distance, the workbench 1 is completely attached to the die block 5, at the moment, the lower surface of the moving block 10 is flush with the inner wall of the die block 5, the second limiting block 1101 at the end part of the fixing rod 11 can clamp the moving block 10 to prevent the moving block 10 from moving downwards, the die block 5 also moves to the limit distance, when the die block 5 moves downwards, two groups of first driving rods 6 fixedly arranged at one side of the die block 5 move downwards and drive the gear 7 to rotate 1, the second driving rod 8 can be driven to move through the rotation of the gear 7, and the setting of the sliding block 104, the second driving rod 8 can be made to move along a fixed route, when the gear 7 stops moving, the second driving rod 8 also retracts to a limit distance, at the moment, the cutting plate 801 at the end part of the second driving rod 8 is clamped in the mould block 5, then injection molding is carried out to the mould block 5 through the injection molding hole 101, the electric push rod 3 is restarted after the injection molding and cooling are finished, at the moment, the electric push rod 3 drives the mould block 5 to move upwards through the bracket 4, the moving block 10 is still in a pressing state through the arrangement of the spring 9, after the mould block 5 moves upwards for a certain distance and is separated from an injection molding product, the groove position in the mould block 5 drives the moving block 10 to move upwards through the first limiting block 1001, so that the moving block 10 is separated from the injection molding product, the spring 9 is gradually compressed by the moving block 10, so that the next use is carried out, when the mould block 5 moves upwards, the gear 7 can be driven to rotate through the first driving rod 6, the gear 7 is rotated, meanwhile, the second driving rod 8 is driven to move forwards through the arrangement of the sliding block 104, at the moment, the second driving rod 8 can cut off a product from the injection molding opening 101 through the cutting plate 801 at the end part and push the product to fall down the workbench 1, so that the labor is reduced, the injection molding product is buckled from the workbench, and the use is convenient.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The ejector rod demolding mechanism of the injection molding machine comprises a workbench (1), and is characterized in that: the automatic cutting device is characterized in that a portal frame (2) is fixedly arranged above the workbench (1), an electric push rod (3) is fixedly arranged above the portal frame (2), the output end of the electric push rod (3) is fixedly connected with a support (4), a die block (5) is arranged below the support (4), two groups of first driving rods (6) are fixedly arranged on one side of the die block (5), two groups of first driving rods (6) are movably connected with a cutting device, and a moving block (10) is movably arranged below the portal frame (2).

2. The ejector pin stripping mechanism of an injection molding machine of claim 1, wherein: cutting device includes gear (7), second actuating lever (8), slider (104) and cutting board (801), workstation (1) one side is provided with two sets of mounting bracket (103), two sets of mounting bracket (103) movable mounting has gear (7), all the meshing of gear (7) both ends is connected with a set of first actuating lever (6), a set of second actuating lever (8) are connected in gear (7) middle part meshing, second actuating lever (8) slide and set up in workstation (1) top, second actuating lever (8) one end is fixed to be provided with cutting board (801).

3. The ejector pin stripping mechanism of an injection molding machine of claim 1, wherein: the fixed rod (11) is fixedly arranged below the portal frame (2), the movable block (10) is slidably arranged on the outer wall of the fixed rod (11), the spring (9) is fixedly arranged above the movable block (10), and one end of the spring (9) is fixedly connected below the portal frame (2).

4. A ram ejection mechanism for an injection molding machine as in claim 3, wherein: the end part of the fixed rod (11) is provided with a second limiting block (1101), and the inner wall of the moving block (10) is provided with a sliding groove which is matched with the moving track of the second limiting block (1101).

5. The ejector pin stripping mechanism of an injection molding machine of claim 1, wherein: the outer wall of the moving block (10) is provided with a first limiting block (1001), and a sliding groove is arranged in the die block (5) and is matched with the moving track of the first limiting block (1001).

6. The ejector pin stripper mechanism of an injection molding machine of claim 2, wherein: a group of sliding blocks (104) are fixedly arranged above the workbench (1), and sliding grooves matched with the moving track of the sliding blocks (104) are formed in the second driving rod (8).

7. The ejector pin stripping mechanism of an injection molding machine of claim 1, wherein: four groups of sliding rods (501) are arranged below the die block (5), four groups of sliding holes (102) are formed in the workbench (1), the sliding holes (102) are matched with the sliding rods (501), and injection molding holes (101) are formed in the middle of the workbench (1).