Injection molding mechanism with multiple injection molding openings

Abstract

The utility model relates to the technical field of injection molding mechanisms, and discloses an injection molding mechanism with multiple injection molding ports, which comprises a main injection molding cylinder, an injection molding screw rod is arranged in the main injection molding cylinder, two auxiliary injection molding cylinders are arranged on the front side and the rear side of the main injection molding cylinder, and the two auxiliary injection molding cylinders and the main injection molding cylinder are positioned at the same height. Raw materials in the main injection molding barrel are conveyed by driving the injection molding screw rod to rotate, the raw materials are melted into liquid by heating the electric heating pipe in the protective sleeve, part of the liquid raw materials can be discharged into the two auxiliary injection molding barrels, and at the moment, the injection molding screw rod and the two material pushing heads are conveniently pushed to move at the same time through cooperation of a hydraulic rod, a push plate and a push rod; and raw materials in the main injection molding barrel and the two auxiliary injection molding barrels are extruded and injected into different molds, and the raw materials can be injected into the multiple molds at the same time in the mode, so that the injection molding machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mechanism technical field more particularly to a kind of injection mechanism of multiple injection port. BACKGROUND

[0002] Injection mechanism is a kind of manufacturing process widely used in plastic product production, in this process, thermoplastic raw materials are heated into molten state by injection cylinder, then injected into a closed mold, forming the product of required shape, injection structure has the characteristics such as high efficiency, stability and consistency, so that it has been widely applied in various trades and professions.The traditional injection mechanism currently usually only has one injection port, and can only inject raw materials into one mold at a time, so the efficiency of injection processing is low, and it is difficult to meet the needs of existing production and life, and needs to be improved. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides an injection mechanism with multiple injection ports to solve the problems in the above background art.

[0004] The utility model provides the following technical scheme: an injection mechanism with multiple injection ports, comprising a main injection cylinder, an injection screw is arranged inside the main injection cylinder, a vice injection cylinder is arranged on the front and rear sides of the main injection cylinder, the number of vice injection cylinders is two, the two vice injection cylinders are located at the same height as the main injection cylinder, a material guide pipe is symmetrically fixed and connected below the front and rear sides of the main injection cylinder, one end of the material guide pipe is fixedly connected to one side of the vice injection cylinder, a material pushing head is movably sleeved to the left side of the inside of the vice injection cylinder, a protection box is fixedly connected to the left side of the main injection cylinder, a driving gear and a driven gear are arranged inside the protection box, the driving gear is engaged with the driven gear, a push plate is arranged on the left side of the protection box, the left end of the injection screw penetrates through the protection box and is rotatably installed on the right side of the push plate through a bearing, the inside of the driven gear is movably sleeved to the outer wall of the injection screw, a plurality of limiting blocks are fixedly connected to the inside of the driven gear, a hopper is fixedly connected to the left side of the top of the main injection cylinder, a No. 2 speed reducer motor is fixedly installed below the right side of the hopper, an installation shaft is fixedly connected to the output end of the No. 2 speed reducer motor and extends into the inside of the hopper, the left end of the installation shaft is rotatably installed below the left side of the inner wall of the hopper through a bearing, and a plurality of stirring blades are fixedly connected to the outer wall of the installation shaft.

[0005] Further, a plurality of limiting grooves are formed in the outer wall of the injection screw, and the outer wall of the limiting block is slidably connected in the limiting groove.

[0006] Further, the front right side of the protection box is fixedly provided with a first speed reducer, the output end of the first speed reducer extends to the inside of the protection box and is fixedly connected with a connecting shaft, the left end of the connecting shaft is rotatably arranged on the left side of the inner wall of the protection box through a bearing, and the inside of the driving gear is fixedly sleeved on the outer wall of the connecting shaft.

[0007] Further, the left side of the push plate is provided with a mounting plate, the middle of the right side of the mounting plate is fixedly provided with a hydraulic rod, and the telescopic end of the hydraulic rod is fixedly connected to the middle of the left side of the push plate.

[0008] Further, the right side of the mounting plate is fixedly connected with two supporting rods in symmetry, the inside of the push plate is slidably sleeved on the outer walls of the two supporting rods, and the right ends of the two supporting rods are fixedly connected to the left side of the protection box.

[0009] Further, the right side of the push plate is fixedly connected with two push rods in symmetry, the right end of the outer wall of the push rod is movably sleeved in the inside of the left side of the auxiliary injection molding barrel, and the right end of the push rod is fixedly connected to the left side of the push head.

[0010] Further, the outer wall of the main injection molding barrel is fixedly sleeved with a heating protective sleeve, the inside of the heating protective sleeve is fixedly provided with an electric heating tube, and the inside of the electric heating tube is arranged outside the main injection molding barrel.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The cooperation of the first speed reducer, the connecting shaft, the driving gear, the driven gear and the limiting block facilitates the rotation of the injection molding screw, the conveying of the raw materials in the main injection molding barrel, the melting of the raw materials into liquid state by the electric heating tube in the heating protective sleeve, the discharge of part of the liquid raw materials into the two auxiliary injection molding barrels, the cooperation of the hydraulic rod, the push plate and the push rod for facilitating the movement of the injection molding screw and the two push heads, the extrusion of the raw materials in the main injection molding barrel and the two auxiliary injection molding barrels into different molds, and the injection of the raw materials into multiple molds simultaneously, thereby improving the efficiency of injection molding.

[0013] 2. When the hopper is used to put solid raw materials into the main injection molding barrel, the cooperation of the second speed reducer, the mounting shaft and the stirring blade facilitates the stirring of the raw materials below in the hopper, improves the discharge speed and avoids the blockage of the raw materials below in the hopper. DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0015] Figure 2 It is a schematic diagram of the structure of the heating protective sleeve of the present application.

[0016] Figure 3 It is the structure section view schematic drawing of the protective box of the utility model.

[0017] Figure 4 It is the structure section view schematic drawing of the protective box of the utility model.

[0018] Figure 5 It is the structure schematic drawing of the injection molding screw, the limiting groove and the driven gear of the utility model.

[0019] Figure 6 It is the structure schematic drawing of the driven gear and the limiting block of the utility model.

[0020] Figure 7 It is the structure section view schematic drawing of the auxiliary injection molding cylinder of the utility model.

[0021] Figure 8 It is the structure section view schematic drawing of the hopper of the utility model.

[0022] Figure 9 It is the structure side view schematic drawing of the mounting shaft and the stirring blade of the utility model.

[0023] Figure 10 It is the combination schematic drawing of the injection molding screw of the utility model.

[0024] The figure mark is: 1, main injection molding cylinder;2, protective box;21, No. 1 speed reducer motor;22, connecting shaft;23, driving gear;24, driven gear;25, limiting block;3, injection molding screw;31, limiting groove;4, mounting plate;5, hydraulic rod;6, support rod;7, push plate;8, push rod;9, auxiliary injection molding cylinder;10, push material head;11, material guide pipe;12, heating protective sleeve;13, electric heating tube;14, hopper;15, No. 2 speed reducer motor;16, mounting shaft;17, stirring blade. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the multi-injection port injection molding mechanism of the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of the utility model protection.

[0026] Example one:

[0027] As Figures 1-10As shown, a multi-injection-port injection molding mechanism includes a main injection cylinder 1. A hopper 14 is fixedly connected to the left side of the top of the main injection cylinder 1. A second geared motor 15 is fixedly installed on the lower right side of the hopper 14. The output end of the second geared motor 15 extends into the interior of the hopper 14 and is fixedly connected to a mounting shaft 16. The left end of the mounting shaft 16 is rotatably mounted on the lower left side of the inner wall of the hopper 14 via a bearing. Multiple stirring blades 17 are fixedly connected to the outer wall of the mounting shaft 16.

[0028] In this embodiment, the hopper 14 allows solid injection molding raw materials to be fed into the main injection cylinder 1. The cooperation of the second geared motor 15 and the mounting shaft 16 facilitates the rotation of the stirring blade 17, which stirs the raw materials in the lower part of the hopper 14, improves the discharge speed, and prevents the raw materials from clogging in the lower part of the hopper 14.

[0029] Example 2:

[0030] like Figures 1-10 As shown, the main injection cylinder 1 has an injection screw 3 inside. Two auxiliary injection cylinders 9 are located on the front and rear sides of the main injection cylinder 1, at the same height as the main injection cylinder 1. Guide tubes 11 are symmetrically fixedly connected to the lower sides of the main injection cylinder 1, with one end of each guide tube fixedly connected to one side of an auxiliary injection cylinder 9. A pusher head 10 is movably sleeved on the left side inside the auxiliary injection cylinder 9. A protective box 2 is fixedly connected to the left side of the main injection cylinder 1. The protective box 2 contains a drive gear 23 and a driven gear 24, which mesh. A push plate 7 is located on the left side of the protective box 2. The left end of the injection screw 3 passes through the protective box 2 and is rotatably mounted on the right side of the push plate 7 via a bearing. The driven gear 24 is movably sleeved on the outer wall of the injection screw 3. Multiple limit blocks 25 are fixedly connected inside the driven gear 24. Multiple limit grooves 31 are formed on the outer wall of the injection screw 3. The injection screw 3 is... Figure 10The two parts are welded together at the later stage, the outer wall of the limiting block 25 is slidably connected in the inside of the limiting groove 31, the front of the right side of the protection box 2 is fixedly installed with a first speed reducer motor 21, the output end of the first speed reducer motor 21 extends to the inside of the protection box 2 and is fixedly connected with a connecting shaft 22, the left end of the connecting shaft 22 is rotatably installed on the left side of the inner wall of the protection box 2, the inside of the driving gear 23 is fixedly sleeved on the outer wall of the connecting shaft 22, the left side of the push plate 7 is provided with a mounting plate 4, the right side of the middle part of the mounting plate 4 is fixedly installed with a hydraulic rod 5, the telescopic end of the hydraulic rod 5 is fixedly connected to the middle part of the left side of the push plate 7, the right side of the mounting plate 4 is fixedly connected with two supporting rods 6, the inside of the push plate 7 is slidably sleeved on the outer wall of the two supporting rods 6, the right ends of the two supporting rods 6 are fixedly connected to the left side of the protection box 2, the right side of the push plate 7 is fixedly connected with two push rods 8, the right end of the outer wall of the push rod 8 is movably sleeved in the inside of the left side of the auxiliary injection molding barrel 9, the right end of the push rod 8 is fixedly connected to the left side of the pushing head 10, the outer wall of the main injection molding barrel 1 is fixedly sleeved with a heating protective sleeve 12, the inside of the heating protective sleeve 12 is fixedly installed with an electric heating tube 13, the inside of the electric heating tube 13 is arranged outside the main injection molding barrel 1.

[0031] In the embodiment, by adopting the cooperation of the first speed reducer motor 21, the connecting shaft 22 and the driving gear 23, the driven gear 24 is conveniently driven to rotate, the driven gear 24 drives the injection screw 3 to rotate through the plurality of limiting blocks 25, the raw materials in the main injection molding barrel 1 are conveyed, one end of the injection screw 3 is provided with a special check valve, by arranging the electric heating tube 13 in the heating protective sleeve 12, the raw materials are conveniently heated to melt into liquid, by arranging the two material guide pipes 11, the raw materials melted in the main injection molding barrel 1 are conveniently discharged into the two auxiliary injection molding barrels 9, at this time, by cooperating the hydraulic rod 5, the push plate 7 and the push rod 8, the injection screw 3 and the two pushing heads 10 are conveniently moved at the same time, the limiting groove 31 on the outer wall of the injection screw 3 can slide horizontally on the outer wall of the limiting block 25, so as to adjust the position of the injection screw 3, the raw materials in the main injection molding barrel 1 and the two auxiliary injection molding barrels 9 are respectively extruded by the injection screw 3 and the two pushing heads 10 and injected into different molds, so as to improve the efficiency of injection molding processing, the pushing head 10 is similar to the principle of the piston, which can push the liquid to move.

[0032] In summary, as Figures 1-10As shown, the multi-injection port injection mechanism, when in use, the fixed granular raw materials are put into the main injection cylinder 1 through the hopper 14, at this time, the connecting shaft 22 and the driving gear 23 are driven to rotate by the first speed reducer motor 21, the driving gear 23 drives the injection screw 3 to rotate through the driven gear 24 and a plurality of limit blocks 25, the raw materials are transported, and the raw materials are melted into liquid state by the electric heating tube 13, the liquid raw materials are transported to the right side of the main injection cylinder 1 and then flow into the two auxiliary injection cylinders 9 through the two material guide pipes 11, at this time, the push plate 7 is pushed to slide on the outer wall of the supporting rod 6 by the hydraulic rod 5, the push plate 7 drives the injection screw 3 to move in the main injection cylinder 1, and the two push material heads 10 are driven to move in the two auxiliary injection cylinders 9 by the two push rods 8, the raw materials in the main injection cylinder 1 are discharged by the movement of the injection screw 3, and the raw materials in the two auxiliary injection cylinders 9 are extruded by the movement of the two push material heads 10, so that the raw materials can be injected into different molds at one time, thereby improving the efficiency of injection molding.

[0033] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0035] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A multi-port injection molding mechanism comprising a main injection cylinder (1), characterized in that, The inside of the main injection cylinder (1) is provided with an injection screw (3), the front and back of the main injection cylinder (1) is provided with a vice injection cylinder (9), the number of the vice injection cylinder (9) is two, the two vice injection cylinders (9) are at the same height with the main injection cylinder (1), the lower part of the front and back of the main injection cylinder (1) is fixedly connected with a material guide pipe (11) in a symmetrical manner, one end of the material guide pipe (11) is fixedly connected with one side of the vice injection cylinder (9), the left side of the inside of the vice injection cylinder (9) movably sleeved with a pushing head (10), the left side of the main injection cylinder (1) is fixedly connected with a protection box (2), the inside of the protection box (2) is provided with a driving gear (23) and a driven gear (24), the driving gear (23) and the driven gear (24) are engaged, the left side of the protection box (2) is provided with a push plate (7), the left end of the injection screw (3) penetrates through the protection box (2) and is rotatably installed on the right side of the push plate (7) through a bearing, the inside of the driven gear (24) movably sleeved with the outer wall of the injection screw (3), the inside of the driven gear (24) is fixedly connected with a plurality of limiting blocks (25), the left side of the top of the main injection cylinder (1) is fixedly connected with a hopper (14), the lower part of the right side of the hopper (14) is fixedly installed with a No.2 speed reducer motor (15), the output end of the No.2 speed reducer motor (15) extends to the inside of the hopper (14) and is fixedly connected with a mounting shaft (16), the left end of the mounting shaft (16) is rotatably installed on the lower part of the left side of the inner wall of the hopper (14) through a bearing, the outer wall of the mounting shaft (16) is fixedly connected with a plurality of stirring blades (17).

2. A multi-port injection molding mechanism according to claim 1, wherein: The outer wall of the injection screw (3) is provided with a plurality of limiting grooves (31), and the outer wall of the limiting block (25) is slidably connected in the inside of the limiting groove (31).

3. A multi-port injection molding mechanism according to claim 1, wherein: The front of the right side of the protection box (2) is fixedly installed with a No.1 speed reducer motor (21), the output end of the No.1 speed reducer motor (21) extends to the inside of the protection box (2) and is fixedly connected with a connecting shaft (22), the left end of the connecting shaft (22) is rotatably installed on the left side of the inner wall of the protection box (2) through a bearing, and the inside of the driving gear (23) is fixedly sleeved with the outer wall of the connecting shaft (22).

4. The multi-port injection molding mechanism of claim 1, wherein: The left side of the push plate (7) is provided with a mounting plate (4), the right side of the mounting plate (4) is fixedly installed with a hydraulic rod (5) in the middle, and the telescopic end of the hydraulic rod (5) is fixedly connected with the middle of the left side of the push plate (7).

5. A multi-port injection molding mechanism according to claim 4, wherein: The right side of the mounting plate (4) is fixedly connected with two supporting rods (6) in a symmetrical manner, the inside of the push plate (7) is slidably sleeved with the outer wall of the two supporting rods (6), and the right ends of the two supporting rods (6) are fixedly connected with the left side of the protection box (2).

6. A multi-port injection molding mechanism according to claim 1, wherein: The right side of the push plate (7) is fixedly connected with two push rods (8) in a symmetrical manner, the right end of the outer wall of the push rod (8) is movably sleeved in the inside of the left side of the vice injection cylinder (9), and the right end of the push rod (8) is fixedly connected with the left side of the pushing head (10).

7. A multi-port injection molding mechanism according to claim 1, wherein: The outer wall of the main injection cylinder (1) is fixedly sleeved with a heating protective sleeve (12), the inside of the heating protective sleeve (12) is fixedly installed with an electric heating tube (13), and the inside of the electric heating tube (13) is arranged outside the main injection cylinder (1).

Images