CN207825375U - An injection mold for easy unloading - Google Patents

Abstract

The utility model discloses an injection mold convenient to unload, comprising a base plate, fixed mould and movable mould, the equal fixedly connected with support column in lower extreme both sides of bottom plate, fixed mould fixed connection is in the upper end of bottom plate, fixed mould's both sides are equipped with first riser and second riser respectively, the equal fixed connection of first riser and second riser is in the upper end of bottom plate, sliding connection has the lath on the lateral wall that the first riser is close to the second riser, the lateral wall fixed connection of first riser is kept away from with the lath to movable mould, fixedly connected with first slider on the lateral wall that the lath was kept away from to movable mould, be equipped with on the lateral wall of second riser with first slider assorted first spout, be equipped with the recess on the lateral wall of first riser, be equipped with first pivot in the recess, coaxial fixedly connected with gear in the first pivot, be equipped with on the lateral wall of lath with. The utility model discloses be convenient for operate, can help operating personnel to improve the speed of unloading to improve production efficiency.

Description

An injection mold for easy unloading

technical field

The utility model relates to the technical field of injection molds, in particular to an injection mold which is convenient for unloading.

Background technique

Injection mold is a tool for producing plastic products, and it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained. Existing injection molds are generally composed of a fixed mold and a movable mold. After the product is manufactured, the movable mold needs to be removed first, and then the product is ejected through the ejector mechanism. In this process, multiple driving mechanisms are usually required, not only The utilization rate of energy is reduced, and the operation process is increased, which affects production efficiency.

For this reason, we propose an injection mold that is convenient for unloading to solve the above problems.

Utility model content

The purpose of the utility model is to solve the problems of cumbersome discharge operation and inconvenient use of the injection mold in the prior art, and propose an injection mold that is convenient for unloading.

In order to achieve the above object, the utility model adopts the following technical solutions:

An injection mold for easy unloading, comprising a base plate, a fixed mold and a movable mold, support columns are fixedly connected to both sides of the lower end of the base plate, the fixed mold is fixedly connected to the upper end of the base plate, and the two sides of the fixed mold A first vertical board and a second vertical board are respectively provided, and the first vertical board and the second vertical board are fixedly connected to the upper end of the bottom board, and the side wall of the first vertical board close to the second vertical board is slidably connected with The slat, the movable mold is fixedly connected to the side wall of the slat away from the first vertical board, the first slider is fixedly connected to the side wall of the movable mold far away from the slat, and the side wall of the second vertical board is fixedly connected to the slat. A first chute matching the first slider is provided, a groove is provided on the side wall of the first riser, a first rotating shaft is arranged in the groove, and the first rotating shaft is coaxially fixed A gear is connected, the side wall of the slat is provided with a rack meshed with the gear, one end of the first rotating shaft is rotationally connected with the side wall of the groove, and the other end of the first rotating shaft passes through the first vertical A servo motor is installed on the side wall of the first vertical board away from the slats, and a double-toothed sprocket is coaxially fixedly connected to the drive shaft of the servo motor, and the double-toothed sprocket passes through the first transmission mechanism The upper end of the bottom plate is fixedly connected with a mounting block, and a worm is rotatably connected to the mounting block, and the worm is connected to the double-toothed sprocket through the second transmission mechanism. There is a second rotating shaft, and the second rotating shaft is rotatably connected to the base plate, and the upper end of the second rotating shaft is coaxially fixedly connected with a worm gear, and the worm gear and the worm mesh with each other, and the lower side of the base plate is provided with a movable plate, so Both sides of the upper end of the movable plate are fixedly connected with connecting rods, the upper ends of the two connecting rods pass through the base plate and the fixed mold in turn and are fixedly connected with the same supporting plate, and the lower end of the base plate is rotatably connected with a threaded rod, and the threaded rod The end of the rod away from the bottom plate is set through the movable plate, and the movable plate is provided with a threaded hole corresponding to the threaded rod, and the threaded rod is connected to the second rotating shaft through the third transmission mechanism.

Preferably, a second sliding block is fixedly connected to the side wall of the slat, and a second sliding slot matching the second sliding block is provided on the side wall of the first vertical plate.

Preferably, the first transmission mechanism includes a first single-tooth sprocket, the first single-tooth sprocket is coaxially and fixedly connected to one end of the first rotating shaft outside the first vertical plate, and the first single-tooth sprocket The first chain is connected with the double-tooth sprocket drive.

Preferably, the second transmission mechanism includes a second single-tooth sprocket coaxially and fixedly connected to the worm, and the second single-tooth sprocket is drivingly connected to the double-tooth sprocket through a second chain.

Preferably, the third transmission mechanism includes a third single-tooth sprocket coaxially and fixedly connected to the part of the second rotating shaft located on the lower side of the bottom plate, a fourth single-tooth sprocket is coaxially and fixedly connected to the threaded rod, and The diameter of the third single-tooth sprocket is smaller than the diameter of the fourth single-tooth sprocket, and the third single-tooth sprocket is connected to the fourth single-tooth sprocket through a third chain transmission.

Compared with the prior art, the beneficial effect of the utility model is: by setting multiple driving mechanisms, the servo motor can drive the movable mold and the supporting plate to work at the same time, and when the movable mold is removed, the finished product is automatically ejected, reducing the The operation difficulty is reduced, and the utilization rate of the servo motor can be greatly improved, and the equipment purchase and maintenance costs of the enterprise can be reduced; the utility model has low operation difficulty, can help improve the unloading speed, and accelerate the production speed.

Description of drawings

Fig. 1 is a structural perspective view of an injection mold that is convenient for unloading proposed by the utility model;

Fig. 2 is a schematic diagram of the external structure of an injection mold for easy unloading proposed by the utility model.

In the figure: 1 bottom plate, 2 fixed mold, 3 movable mold, 4 support column, 5 first vertical board, 6 second vertical board, 7 lath, 8 first slider, 9 first rotating shaft, 10 gear, 11 servo Motor, 12 double-tooth sprockets, 13 mounting blocks, 14 worm, 15 second shafts, 16 worm gears, 17 movable plates, 18 connecting rods, 19 supporting plates, 20 threaded rods, 21 first single-tooth sprockets, 22 second Single-tooth sprocket, 23 the 3rd single-tooth sprocket, 24 the 4th single-tooth sprocket, 25 second slide blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figure 1-2, an injection mold that is convenient for unloading includes a bottom plate 1, a fixed mold 2 and a movable mold 3. Both sides of the lower end of the bottom plate 1 are fixedly connected with support columns 4, and the fixed mold 2 is fixedly connected to the bottom of the bottom plate 1. On the upper end, both sides of the fixed mold 2 are respectively provided with a first vertical plate 5 and a second vertical plate 6, the first vertical plate 5 and the second vertical plate 6 are fixedly connected to the upper end of the bottom plate 1, and the first vertical plate 5 is close to the second vertical plate. The side walls of the two vertical boards 6 are slidingly connected with laths 7. Specifically, the side walls of the laths 7 are fixedly connected with the second slider 25, and the side walls of the first vertical boards 5 are provided with 25 matched second chute, the movable mold 3 is fixedly connected with the side wall of the slat 7 away from the first vertical plate 5, and the side wall of the movable mold 3 away from the slat 7 is fixedly connected with the first slider 8, and the second The side wall of riser 6 is provided with the first chute matched with first slide block 8, and the side wall of first riser 8 is provided with groove, is provided with first rotating shaft 9 in the groove, and the first rotating shaft 9 is coaxially fixedly connected with a gear 10, the side wall of the slat 7 is provided with a rack meshed with the gear 10, one end of the first rotating shaft 9 is rotationally connected with the side wall of the groove, and the other end of the first rotating shaft 9 Set through the first vertical plate 5, a servo motor 11 is installed on the side wall of the first vertical plate 5 away from the slat 7, and the drive shaft of the servo motor 11 is coaxially fixedly connected with a double-toothed sprocket 12, and the double-toothed sprocket 12 The first transmission mechanism is connected to the first rotating shaft 9 by transmission. Specifically, the first transmission mechanism includes a first single-tooth sprocket 21, and the first single-tooth sprocket 21 and the first rotating shaft 9 are located at one end outside the first vertical plate 5. The coaxial fixed connection, the first single-tooth sprocket 21 is in drive connection with the double-tooth sprocket 12 through the first chain.

In the utility model, the upper end of the base plate 1 is fixedly connected with a mounting block 13, and the mounting block 13 is rotatably connected with a worm 14, and the worm 14 is connected to the double-toothed sprocket 12 through the second transmission mechanism. Specifically, the second transmission mechanism includes The second single-tooth sprocket 22 is fixedly connected coaxially with the worm 14. The second single-tooth sprocket 22 is connected to the double-tooth sprocket 12 through a second chain. The bottom plate 1 is provided with a second shaft 15, and the second The rotating shaft 15 is rotationally connected with the bottom plate 1, and the upper end of the second rotating shaft 15 is coaxially fixedly connected with a worm wheel 16. The worm wheel 16 and the worm screw 14 are meshed with each other. The lower side of the bottom plate 1 is provided with a movable plate 17, and both sides of the upper end of the movable plate 17 are fixed. Connect the connecting rods 18, the upper ends of the two connecting rods 18 pass through the bottom plate 1 and the fixed mold 2 in turn and are fixedly connected with the same supporting plate 19, the lower end of the bottom plate 1 is connected with a threaded rod 20, and the end of the threaded rod 20 away from the bottom plate 1 runs through The movable plate 17 is arranged, and the threaded hole corresponding to the threaded rod 20 is provided on the movable plate 17, and the threaded rod 20 is connected with the second rotating shaft 15 through the third transmission mechanism. Specifically, the third transmission mechanism includes the second rotating shaft 15 Part of the third single-tooth sprocket 23 that is fixedly connected coaxially to the lower side of the bottom plate 1 is coaxially fixedly connected to the fourth single-tooth sprocket 24 on the threaded rod 20, and the diameter of the third single-tooth sprocket 23 is smaller than that of the fourth single-tooth sprocket. The diameter of the single-tooth sprocket 24, the third single-tooth sprocket 23 and the fourth single-tooth sprocket 24 are connected through a third chain transmission.

In the utility model, the servo motor 11 is connected with an external power supply. When the utility model completes the injection molding, the servo motor 11 is started, and the servo motor 11 drives the double-tooth sprocket 12 to rotate, and the double-tooth sprocket 12 drives the first single sprocket through the first chain. Toothed sprocket 21 rotates, and the first single-toothed sprocket 21 drives the first rotating shaft 9 to rotate, and the first rotating shaft 9 drives the gear 10 to rotate, because the rack that meshes with gear 10 is provided with on the lath 7, so gear 10 drives plate The bar 7 moves upward, and the slat 7 drives the movable mold 3 to move upward. At the same time, the double-tooth sprocket 12 drives the second single-tooth sprocket 22 to rotate through the second chain, and the second single-tooth sprocket 22 drives the worm 14 to rotate, and the worm 14 Drive the worm gear 16 to rotate, the worm gear 16 drives the second rotating shaft 15 to rotate, the second rotating shaft 15 drives the third single-tooth sprocket 23 to rotate, the third single-tooth sprocket 23 drives the fourth single-tooth sprocket 24 to rotate through the third chain, the second Four single-tooth sprockets 24 drive the threaded rod 20 to rotate, and the threaded rod 20 drives the movable plate 17 to move upwards, and the movable plate 17 drives the supporting plate 19 to move upwards through the connecting rod 18, and the finished product is ejected to facilitate taking out. It should be noted that due to The diameter of the third single-tooth sprocket 23 is less than the diameter of the fourth single-tooth sprocket 24, so the rotational speed of the threaded rod 20 is less than the rotational speed of the second rotating shaft 15, so that the upward moving speed of the supporting plate 19 is less than that of the movable mold 3 speed, the distance difference between the supporting plate 19 and the movable mold 3 becomes larger, which is convenient for the taking-out of the finished product.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. a kind of injection mold convenient for discharging, including bottom plate (1), fixing mould (2) and flexible mould (3), which is characterized in that The lower end both sides of the bottom plate (1) have been fixedly connected with support column (4), and the fixing mould (2) is fixedly connected on bottom plate (1) Upper end, the both sides of the fixing mould (2) are respectively equipped with starting stave (5) and the second riser (6), the starting stave (5) and Second riser (6) is fixedly connected in the upper end of bottom plate (1), and the starting stave (5) is sliding on the side wall of the second riser (6) Dynamic to be connected with lath (7), the flexible mould (3) is fixedly connected with side wall of the lath (7) far from starting stave (5), the work Moving mold (3) is fixedly connected with the first sliding block (8) on the side wall far from lath (7), and the side wall of second riser (6) is equipped with The side wall of the first sliding groove to match with the first sliding block (8), the starting stave (5) is equipped with groove, is equipped in the groove First rotating shaft (9), has been fixedly and coaxially connected gear (10) on the first rotating shaft (9), the side wall of the lath (7) be equipped with The rack that gear (10) is meshed, one end of the first rotating shaft (9) and the side wall of groove are rotatablely connected, the first rotating shaft (9) the other end is arranged through starting stave (5), and the starting stave (5) is equipped with servo electricity on the side wall far from lath (7) Machine (11) has been fixedly and coaxially connected Dual-tooth chain wheel (12), the Dual-tooth chain wheel (12) in the drive shaft of the servo motor (11) It being sequentially connected by the first transmission mechanism and first rotating shaft (9), the upper end of the bottom plate (1) is fixedly connected with mounting blocks (13), Worm screw (14) is rotatably connected on the mounting blocks (13), the worm screw (14) passes through the second transmission mechanism and Dual-tooth chain wheel (12) It is sequentially connected, runs through on the bottom plate (1) and be equipped with the second shaft (15), and second shaft (15) connects with bottom plate (1) rotation It connects, the upper end of second shaft (15) has been fixedly and coaxially connected worm gear (16), and the worm gear (16) is mutually nibbled with worm screw (14) It closes, the downside of the bottom plate (1) is equipped with movable plate (17), and the upper end both sides of the movable plate (17) are fixedly connected with connecting rod (18), the upper end of two connecting rods (18) sequentially passes through bottom plate (1) and fixing mould (2) and is fixedly connected with same support The lower end of plate (19), the bottom plate (1) is rotatably connected to threaded rod (20), the one end of the threaded rod (20) far from bottom plate (1) It is arranged through movable plate (17), the movable plate (17) is equipped with threaded hole corresponding with threaded rod (20), the threaded rod (20) it is sequentially connected by third transmission mechanism and the second shaft (15).

2. a kind of injection mold convenient for discharging according to claim 1, which is characterized in that the side wall of the lath (7) On be fixedly connected with the second sliding block (25), the side wall of the starting stave (5) is equipped with the to match with the second sliding block (25) Two sliding slots.

3. a kind of injection mold convenient for discharging according to claim 1, which is characterized in that the first transmission mechanism packet Include the first monodentate sprocket wheel (21), it is same that the first monodentate sprocket wheel (21) with first rotating shaft (9) is located at the one end of starting stave (5) outside Axis is fixedly connected, and the first monodentate sprocket wheel (21) is sequentially connected by the first chain and Dual-tooth chain wheel (12).

4. a kind of injection mold convenient for discharging according to claim 1, which is characterized in that the second transmission mechanism packet Include the second monodentate sprocket wheel (22) being fixedly and coaxially connected with worm screw (14), the second monodentate sprocket wheel (22) by the second chain with Dual-tooth chain wheel (12) is sequentially connected.

5. a kind of injection mold convenient for discharging according to claim 1, which is characterized in that the third transmission mechanism packet It includes and is located at the third monodentate sprocket wheel (23) that the part on the downside of bottom plate (1) is fixedly and coaxially connected, the screw thread with the second shaft (15) The 4th monodentate sprocket wheel (24) is fixedly and coaxially connected on bar (20), and the diameter of the third monodentate sprocket wheel (23) is less than the 4th list The diameter of tooth sprocket (24) is connected between the third monodentate sprocket wheel (23) and the 4th monodentate sprocket wheel (24) by third chain drive It connects.