CN216760713U - Reinforced material mechanism and injection molding machine of penetrating - Google Patents

Abstract

The application provides reinforced material mechanism and injection molding machine of penetrating, reinforced material mechanism of penetrating includes: a mounting frame; the barrel is arranged on the mounting frame, and the bottom of the barrel is provided with a material injection hole; the feeding seat is arranged on the mounting frame and positioned above the barrel, and is respectively provided with a through hole communicated with the barrel and a feeding hole communicated with the through hole; a lifting plate; the screw is rotatably arranged on the lifting plate, and one end of the screw penetrates through the through hole and extends into the barrel; the first motor is arranged on the lifting plate and connected with the other end of the screw rod; and the lifting driving component is arranged on the mounting frame and connected with the lifting plate. The injection molding machine comprises the feeding and injecting mechanism. The process of feeding the material by the feeding injection mechanism is driven by the first motor, so that the problems of large energy consumption, large noise, heating and easy liquid leakage caused by oil pressure driving are avoided. Meanwhile, the screw rod is free from the action of transverse external force in the feeding and ejecting processes, so that the operation is more stable, the abrasion of parts is less, and the service life is long.

Description

Reinforced material mechanism and injection molding machine of penetrating

Technical Field

The application belongs to the field of injection molding machines, and particularly relates to a feeding and injecting mechanism and an injection molding machine.

Background

An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die. The most widely used is the screw injection molding machine, which has the function that after a certain amount of plastic is heated and plasticized within a specified time in one cycle of the injection molding machine, the molten plastic is injected into a mold cavity through a screw at a certain pressure and speed, and after the injection is finished, the molten material injected into the mold cavity is kept to be shaped.

The prior injection molding machine usually drives the feeding, injecting and other actions of the machine by oil pressure, but the oil pressure drive has the disadvantages of large energy consumption, large noise, heating, easy oil leakage and influence on the environment.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a reinforced material mechanism and injection molding machine to solve the use oil pressure drive that exists among the correlation technique and consume energy big, the noise is big, generate heat and the easy problem of weeping.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

in one aspect, a feeding and injecting mechanism is provided, which comprises:

a mounting frame;

the barrel is arranged on the mounting frame, and a material injection hole is formed in the bottom of the barrel;

the feeding seat is arranged on the mounting frame and positioned above the barrel, and is respectively provided with a through hole communicated with the barrel and a feeding hole communicated with the through hole;

the lifting plate is positioned above the feeding seat;

the screw rod is rotatably arranged on the lifting plate, and one end of the screw rod penetrates through the through hole and extends into the barrel;

the first motor is arranged on the lifting plate and is connected with the other end of the screw rod;

and the lifting driving assembly is arranged on the mounting frame, connected with the lifting plate and used for driving the lifting plate to lift.

In one embodiment, the lifting driving assembly comprises a screw rod rotatably mounted on the mounting frame, a nut mounted on the screw rod, and a second motor for driving the screw rod to rotate, the screw rod is arranged in parallel with the screw rod at an interval, the lifting plate is connected with the nut, the second motor is mounted on the mounting frame, and an output shaft of the second motor is connected with the screw rod.

This structure, the material process of penetrating of reinforced penetrating mechanism is driven by the second motor, avoids using oil pressure drive and the power consumption that brings big, the noise is big, generate heat and the easy problem of weeping. When the output shaft of the second motor rotates, the screw rod can be driven to rotate around the axis of the screw rod, and when the screw rod rotates, the nut on the screw rod can drive the lifting plate to ascend or descend.

In one embodiment, the lifting driving assembly further includes a transmission unit connecting the lead screw and an output shaft of the second motor, and the transmission unit is mounted on the mounting frame.

This structure is through setting up the transmission unit for the output shaft of second motor drives the lead screw and rotates around self axis when rotating.

In one embodiment, the transmission unit includes a driving wheel mounted on an output shaft of the second motor, a driven wheel mounted on the lead screw, and a timing belt connecting the driving wheel and the driven wheel.

By the structure, remote transmission between the output shaft of the second motor and the screw rod can be realized, and meanwhile, the weight of the transmission unit is light, so that the weight of the feeding and injecting mechanism is favorably reduced.

In one embodiment, the transmission unit further includes a fixing plate slidably mounted on the mounting frame and a tension pulley rotatably mounted on the fixing plate, and the timing belt connects the driving pulley, the driven pulley and the tension pulley.

This structure adjusts the position of take-up pulley through adjusting the fixed plate, can adjust the elasticity degree of hold-in range, avoids taking place between hold-in range and action wheel or the follow driving wheel to take place to take off smooth.

In one embodiment, the transmission unit further comprises a tensioning bar mounted on the mounting frame, the tensioning bar abutting the fixing plate.

This structure through setting up the tensioning strip, avoids the take-up pulley tensioning hold-in range after to reset.

In one embodiment, the number of the screw rods is the same as that of the driven wheels, the number of the screw rods is two, the two screw rods are arranged in parallel at intervals, and the synchronous belt is connected with the driving wheel, the two driven wheels and the tension wheel.

This structure sets up the quantity of lead screw into two, improves the stability of lifter plate lift in-process.

In one embodiment, the feeding and injecting mechanism further comprises a rotary bearing, an inner ring of the rotary bearing is sleeved on the screw rod, and an outer ring of the rotary bearing is connected with the lifting plate.

This structure for the screw rod can rotate for the lifter plate, simultaneously, makes lifter plate and screw rod lift in step.

In one embodiment, the feeding and injecting mechanism further comprises a cushion block, the cushion block is mounted on the lifting plate, the first motor is mounted on the cushion block, and an output shaft of the first motor penetrates through the cushion block and is connected with the screw.

This structure, through the distance between the height-adjustable screw rod that sets up the cushion and the first motor, the output shaft and the screw rod of the first motor of being convenient for are connected.

In another aspect, an injection molding machine is provided, including the feed injection mechanism provided in any of the above embodiments.

This structure adopts the injection molding machine of above-mentioned reinforced material mechanism of penetrating, and the reinforced process of injection molding machine is by first motor drive, avoids using oil pressure drive and the power consumption that brings big, the noise is big, generate heat and the problem of easy weeping. The screw rod only moves in the vertical direction in the feeding and ejecting processes, and is free from the action of transverse external force, so that the screw rod is more stable in operation, less in part abrasion and long in service life.

The application provides a reinforced material mechanism and injection molding machine's beneficial effect lies in: install barrel and feeding seat on the mounting bracket, at reinforced in-process, first motor can drive the screw rod and rotate for the barrel, and the bottom of barrel is sent into by the through-hole of feeding seat to the axis direction with the sizing material along the screw rod to screw rod pivoted in-process, and along with sizing material increases gradually in the barrel, the screw rod is extruded by the sizing material and is risen gradually, accomplishes reinforced. The lifting driving component drives the lifting plate to descend, and the screw discharges the rubber material from the material injection hole at the bottom of the cylinder body to complete material injection. The process of feeding is driven by a first motor, and the problems of large energy consumption, high noise, heating and easy liquid leakage caused by oil pressure driving are avoided. Meanwhile, the screw rod only moves in the vertical direction in the feeding and ejecting processes, so that the screw rod is free from the action of transverse external force, the operation is more stable, the abrasion of parts is less, and the service life is long.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a charging and injecting mechanism provided in an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a side view of fig. 1.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a mounting frame; 11. a first mounting plate; 111. a notch; 12. a second mounting plate; 13. a support bar;

2. a barrel; 21. a mounting seat; 22. a heat insulation ring;

3. a feeding seat; 31. a through hole; 32. a feed port;

4. a lifting plate;

5. a screw;

6. a first motor;

7. a lift drive assembly; 71. a screw rod; 72. a nut; 73. a second motor; 74. a transmission unit; 741. a driving wheel; 742. a driven wheel; 743. a synchronous belt; 744. a fixing plate; 745. a tension wheel; 746. tensioning the strip;

8. a rotating bearing; 81. a bearing cap;

9. and a cushion block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1-3, a feeding and injecting mechanism provided by an embodiment of the present application will now be described. The feeding and injecting mechanism comprises an installation frame 1, a barrel 2, a feeding seat 3, a lifting plate 4, a screw rod 5, a first motor 6 and a lifting driving assembly 7. Wherein the mounting 1 is formed as a frame-like construction. In a possible implementation, the mounting frame 1 comprises a first mounting plate 11, a second mounting plate 12 and a plurality of support bars 13 mounted between the first mounting plate 11 and the second mounting plate 12. Illustratively, the first mounting plate 11 includes an upper mounting plate and a connecting plate that are positioned opposite the second mounting plate 12. The first mounting plate 11 is located the top of second mounting plate 12, and the top of each bracing piece 13 is connected with first mounting plate 11, and the bottom of each bracing piece 13 is connected with second mounting plate 12. The stability of the structure of the mounting frame 1 can be guaranteed by the arrangement, so that the mounting frame 1 is not easy to deform in the long-term use process.

Fig. 1 and 2 show that the cylinder 2 is mounted on a mounting frame 1. Illustratively, the second mounting plate 12 is provided with a mounting hole for mounting the cylinder 2, and the top end of the cylinder 2 passes through the mounting hole and is connected with the second mounting plate 12. Fig. 2 shows that a mounting seat 21 is arranged at a position of the cylinder 2 close to the top end, and the mounting seat 21 is provided with a first fastening hole for penetrating a fastener. In the process of assembling the cylinder 2, the fastening member can be used to pass through the first fastening hole and screw into the second mounting plate 12, so that the cylinder 2 can be mounted. The bottom of the cylinder body 2 is provided with a material injection hole, and in the material injection process, the rubber material can flow out from the bottom of the cylinder body 2.

In a possible realization, the cylinder 2 is sheathed with a heat insulating ring 22 above the mounting seat 21, the heat insulating ring 22 being clamped between the mounting seat 21 and the second mounting plate 12. The heat conduction of the cylinder body 2 to the mounting frame 1 in the process of injecting the materials can be avoided by arranging the heat insulation ring 22, and the normal use of the charging and injecting mechanism is ensured.

Referring to fig. 1 and 2, the feeding base 3 is mounted on the mounting frame 1 and located above the barrel 2, wherein the feeding base 3 is a rectangular block structure, and the feeding base 3 can be mounted on the top of the second mounting plate 12 of the mounting frame 1 by using a fastener. The feeding seat 3 is respectively provided with a through hole 31 communicated with the cylinder 2 and a feeding hole 32 communicated with the through hole 31. Wherein, the through-hole 31 extends along vertical direction, and the feed port 32 extends along horizontal direction, and the one end that the feed port 32 is kept away from through-hole 31 is used for the feeding. The lifting plate 4 is located above the feeding block 3, specifically, the lifting plate 4 is located between the first mounting plate 11 and the second mounting plate 12 of the mounting frame 1. The specific shape of the lifting plate 4 is not limited in this embodiment, and those skilled in the art can set the shape according to actual needs.

The screw 5 is rotatably mounted on the lifting plate 4, and one end of the screw 5, namely the bottom end of the screw 5, passes through the through hole 31 and extends into the barrel 2. That is, the screw 5 may be rotated with respect to the elevating plate 4, and the screw 5 is elevated in synchronization with the elevating plate 4. It will be readily understood that the screw 5 is provided with a spiral groove on its outer peripheral surface, and that the spiral groove on the screw 5 can convey the glue in the feed hole 32 to the bottom of the barrel 2 in the direction of the axis of the screw 5 when the screw 5 rotates about its own axis. It is worth mentioning that as the amount of the rubber in the barrel 2 increases, the rubber in the barrel 2 extrudes the bottom end of the screw 5 to raise the height of the screw 5.

Referring to fig. 1 and 2, the first motor 6 is mounted on the lifting plate 4 and connected to the other end of the screw 5, i.e., the top end of the screw 5. Specifically, the body of the first motor 6 is located above the lifting plate 4 and fixed with the lifting plate 4, and the output shaft of the first motor 6 passes through the lifting plate 4 and is connected with the top end of the screw 5. It should be mentioned that the output shaft of the first motor 6 is coaxial with the screw 5, wherein the output shaft of the first motor 6 may be connected to the screw 5 through a coupling, or the output shaft of the first motor 6 may be fixed to the screw 5 through welding. Fig. 1 shows that the first mounting plate 11 is provided with a notch 111 for the body of the first motor 6 to pass through. The interference between the first mounting plate 11 and the process that the lifting plate 4 drives the first motor 6 to lift is avoided. The lifting driving component 7 is installed on the installation frame 1 and connected with the lifting plate 4, and is used for driving the lifting plate 4 to lift. When the lifting plate 4 is lifted, the screw 5 connected with the lifting plate 4 can be driven to lift synchronously with the lifting plate 4. In the process of injecting the materials, the lifting plate 4 drives the screw rod 5 to descend, the bottom end of the screw rod 5 extrudes the rubber materials in the cylinder body 2, and the rubber materials in the cylinder body 2 flow out of the material injection hole of the cylinder body 2.

The reinforced material mechanism of penetrating that this embodiment provided has: the barrel 2 and the feeding seat 3 are mounted on the mounting frame 1, the first motor 6 can drive the screw 5 to rotate relative to the barrel 2 in the feeding process, and the rubber materials are conveyed to the bottom of the barrel 2 through the through hole 31 of the feeding seat 3 along the axial direction of the screw 5 in the rotating process of the screw 5. And the screw 5 gradually rises under the extrusion of the sizing material along with the gradual increase of the sizing material in the cylinder 2, so that the feeding is finished. The lifting driving component 7 drives the lifting plate 4 to descend, and the screw 5 discharges the rubber material from the material injection hole at the bottom of the barrel 2 to complete material injection. The feeding process is driven by the first motor 6, so that the problems of high energy consumption, high noise, heating and easy liquid leakage caused by oil pressure driving are avoided. Meanwhile, the screw 5 only moves in the vertical direction in the feeding and ejecting processes, so that the screw is free from the action of transverse external force, the operation is more stable, the abrasion of parts is less, and the service life is long.

In an embodiment, referring to fig. 1 and fig. 2, as a specific implementation of the feeding and injecting mechanism provided in the embodiment of the present application, the lifting driving assembly 7 includes a screw rod 71 rotatably mounted on the mounting frame 1, a nut 72 mounted on the screw rod 71, and a second motor 73 for driving the screw rod 71 to rotate, wherein the screw rod 71 is parallel to and spaced apart from the screw rod 5. For example, the screw 71 may be connected to the first mounting plate 11 and the second mounting plate 12 of the mounting bracket 1 through bearings, respectively, so that the screw 71 may rotate relative to the mounting bracket 1. The nut 72 is sleeved on the screw rod 71 and is in threaded connection with the screw rod 71, and it is worth mentioning that the nut 72 is connected with the lifting plate 4. Wherein, offer the hole of transferring and joining in marriage that is used for wearing to establish nut 72 on the lifter plate 4, nut 72 wears to establish and can use the fastener fastening with lifter plate 4 in the pilot hole back. The second motor 73 is mounted on the mounting bracket 1, and specifically, the second motor 73 may be mounted on a connecting plate of the mounting bracket 1. The output shaft of the second motor 73 is connected with the screw rod 71, and when the output shaft of the second motor 73 rotates, the screw rod 71 can be driven to rotate around the axis of the screw rod 71.

In this embodiment, when the output shaft of the second motor 73 rotates, the screw rod 71 can be driven to rotate around its own axis, and when the screw rod 71 rotates, the nut 72 on the screw rod 71 can drive the lifting plate 4 to ascend or descend. When the lifting plate 4 drives the screw 5 to descend, the screw 5 can extrude the rubber material in the cylinder 2 to finish material injection. That is to say, the material injection process of the feeding and material injection mechanism is also driven by the second motor 73, so that the problems of large energy consumption, large noise, heat generation and easy liquid leakage caused by oil pressure driving are avoided.

In an embodiment, referring to fig. 1 and fig. 3, as a specific implementation manner of the feeding and injecting mechanism provided in the embodiment of the present application, the lifting driving assembly 7 further includes a transmission unit 74 connecting the screw rod 71 and an output shaft of the second motor 73, and the transmission unit 74 is mounted on the mounting frame 1. In particular, the transmission unit 74 may be mounted on the first mounting plate 11 of the mounting frame 1. The transmission unit 74 may be a gear pair, a chain assembly or a pulley mechanism, but is not limited thereto.

The transmission unit 74 is arranged so that the output shaft of the second motor 73 rotates to drive the screw rod 71 to rotate around the axis of the screw rod. Also, the rotation speed ratio between the output shaft of the second motor 73 and the lead screw 71 can be adjusted by setting the transmission ratio of the transmission unit 74.

In an embodiment, referring to fig. 1 and fig. 2, as a specific implementation of the feeding and injecting mechanism provided in the embodiment of the present application, the transmission unit 74 includes a driving wheel 741 installed on an output shaft of the second motor 73, a driven wheel 742 installed on the screw 71, and a timing belt 743 connecting the driving wheel 741 and the driven wheel 742. The driving wheel 741 can be sleeved on the output shaft of the second motor 73, the driven wheel 742 can be sleeved on the end of the lead screw 71, and the synchronous belt 743 is sleeved outside the driving wheel 741 and the driven wheel 742. The transmission ratio of the transmission unit 74 can be adjusted by adjusting the diameter of the driving pulley 741 and the diameter of the driven pulley 742.

In this embodiment, by providing the driving wheel 741, the driven wheel 742 and the synchronous belt 743, the remote transmission between the output shaft of the second motor 73 and the lead screw 71 can be realized, and the weight of the transmission unit 74 is light, which is beneficial to reducing the weight of the feeding and injecting mechanism.

In an embodiment, referring to fig. 2, as a specific implementation manner of the feeding and injecting mechanism provided in the embodiment of the present application, the transmission unit 74 further includes a fixed plate 744 slidably mounted on the mounting frame 1 and a tension pulley 745 rotatably mounted on the fixed plate 744, and the timing belt 743 connects the driving pulley 741, the driven pulley 742 and the tension pulley 745. Illustratively, the fixing plate 744 is formed with an oblong hole, through which a fastener may be inserted and coupled to the first mounting plate 11. When the position of the fixing plate 744 needs to be adjusted, the fixing plate 744 is pushed along the length direction of the oblong hole. In fig. 1, the outer peripheral surface of the tension pulley 745 abuts against the outer side of the timing belt 743. The timing belt 743 can be shaped by the tension pulley 745 to avoid interference of the timing belt 743 with the first motor 6.

In this embodiment, the fixing plate 744 is slidably connected to the mounting frame 1, the position of the tension pulley 745 can be adjusted by adjusting the fixing plate 744, and the degree of tightness of the timing belt 743 is adjusted by using the tension pulley 745, so as to prevent the timing belt 743 from slipping off the driving wheel 741 or the driven wheel 742.

In one embodiment, referring to fig. 2, as a specific implementation manner of the feeding and injecting mechanism provided in the embodiment of the present application, the transmission unit 74 further includes a tension bar 746, wherein the tension bar 746 has a rectangular bar structure. The tension bar 746 is mounted to the mounting bracket 1. illustratively, the tension bar 746 may be mounted on top of the first mounting plate 11 using fasteners with the side walls of the tension bar 746 abutting the side walls of the fixed plate 744.

In this embodiment, by providing the tensioning strip 746, the side wall of the tensioning strip 746 abuts against the fixing plate 744, so that the tensioning wheel 745 can be prevented from resetting after tensioning the synchronous belt 743. The tension of the timing belt 743 by the tension pulley 745 can be ensured by setting the width of the tension bar 746.

In an embodiment, referring to fig. 1 and fig. 2, as a specific implementation manner of the feeding and injecting mechanism provided in the embodiment of the present application, the number of the lead screws 71 is the same as that of the driven pulleys 742, the number of the lead screws 71 is two, and the two lead screws 71 are arranged in parallel and spaced apart. Illustratively, two lead screws 71 are provided at opposite ends of the lifting plate 4, respectively, and an end of each lead screw 71 is fitted with a driven pulley 742. The synchronous belt 743 connects the driving wheel 741, the two driven wheels 742 and the tension wheel 745, and when the output shaft of the second motor 73 rotates, the two lead screws 71 can be driven to synchronously rotate.

In this embodiment, set up the quantity of lead screw 71 into two, two lead screws 71 drive lifter plate 4 in step and go up and down, can improve the stability of lifter plate 4 lift in-process to, lifter plate 4 can improve lifter plate 4's bearing capacity when driving screw 5 and descend and extrude the sizing material in the barrel 2.

In an embodiment, please refer to fig. 2, which is a specific implementation manner of the feeding and injecting mechanism provided in the embodiment of the present application, the feeding and injecting mechanism further includes a rotating bearing 8, an inner ring of the rotating bearing 8 is sleeved on the screw 5, and an outer ring of the rotating bearing 8 is connected to the lifting plate 4. As the rotary bearing 8, a tapered roller bearing may be used by way of example. In a possible implementation manner, the feeding and injecting mechanism may further include a bearing cover 81, and an outer ring of the rotary bearing 8 is installed between the bearing cover 81 and the lifting plate 4. In this embodiment, the screw 5 is connected to the lifting plate 4 through the rotating bearing 8, so that the screw 5 can rotate relative to the lifting plate 4, and simultaneously, the lifting plate 4 and the screw 5 are lifted synchronously.

In an embodiment, referring to fig. 2, as a specific implementation manner of the feeding injection mechanism provided in the embodiment of the present application, the feeding injection mechanism further includes a pad 9, the pad 9 is mounted on the lifting plate 4, and the body of the first motor 6 is mounted on a side of the pad 9 away from the lifting plate 4, where the pad 9 is away from the lifting plate 4. Illustratively, the block 9 is mounted above the lifter plate 4, and the body of the first motor 6 is mounted above the block 9. The output shaft of the first motor 6 passes through the cushion block 9 and is connected with the screw 5. It is easy to understand that the cushion block 9 is provided with a through hole for the screw 5 to pass through. Set up cushion 9 between the organism of first motor 6 and lifter plate 4, through the distance between the height-adjustable screw rod 5 that sets up cushion 9 and first motor 6, the output shaft and the screw rod 5 of the first motor 6 of being convenient for are connected.

The working process of the feeding and injecting mechanism of the present application is described below so that those skilled in the art can better understand the technical solution of the present application.

The charging process comprises the following steps: the first motor 6 rotates counterclockwise to drive the screw 5 connected with the first motor 6 to rotate synchronously. During the rotation of the screw 5, the rubber compound entering from the feeding seat 3 is fed into the bottom of the barrel 2. The screw 5 ascends along with the increase of the sizing material at the bottom of the barrel 2, and the lifting plate 4 and the nut 72 ascend along with the screw 5 synchronously. The screw rod 71 drives the second motor 73 to idle counterclockwise through the transmission unit 74, so that the feeding is completed.

And (3) injecting: the second motor 73 rotates clockwise, and drives the screw rod 71 to rotate through the transmission unit 74. The nut 72 moves down the screw 71. The nut 72 drives the lifting plate 4 and the screw 5 to descend, so that the bottom end of the screw 5 extrudes the rubber material in the barrel 2, the rubber material in the barrel 2 flows out of the material injection hole of the barrel 2, and material injection is completed. During the shot, the first motor 6 is not operated.

The embodiment of the application also provides an injection molding machine which comprises the feeding and injecting mechanism provided by any one of the embodiments. In a possible implementation manner, the injection molding machine further comprises a controller, the controller is electrically connected with the first motor 6 and the lifting driving assembly 7 of the feeding and injecting mechanism respectively, and the controller controls the first motor 6 and the lifting driving assembly 7 to work.

In the embodiment, the injection molding machine adopting the feeding injection mechanism is driven by the first motor 6 in the feeding process of the injection molding machine, so that the problems of high energy consumption, high noise, heating and easy liquid leakage caused by oil pressure driving are avoided. The screw rod 5 only moves in the vertical direction in the feeding and ejecting processes, and is free from the action of transverse external force, so that the operation is more stable, the abrasion of parts is less, and the service life is long.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations, which may be made within the spirit and scope of the present application.

Claims (10)

1. Reinforced material mechanism of penetrating, its characterized in that includes:

a mounting frame;

the barrel is arranged on the mounting frame, and a material injection hole is formed in the bottom of the barrel;

the feeding seat is arranged on the mounting frame and positioned above the barrel, and is respectively provided with a through hole communicated with the barrel and a feeding hole communicated with the through hole;

the lifting plate is positioned above the feeding seat;

the screw rod is rotatably arranged on the lifting plate, and one end of the screw rod penetrates through the through hole and extends into the barrel;

the first motor is arranged on the lifting plate and is connected with the other end of the screw rod;

and the lifting driving assembly is arranged on the mounting frame, connected with the lifting plate and used for driving the lifting plate to lift.

2. A feed charging and injecting mechanism as defined in claim 1, wherein said elevating driving assembly includes a screw rotatably mounted on said mounting frame, a nut mounted on said screw, and a second motor for driving said screw to rotate, said screw being spaced from and parallel to said screw, said elevating plate being connected to said nut, said second motor being mounted on said mounting frame, and an output shaft of said second motor being connected to said screw.

3. A feed charging and injection mechanism as claimed in claim 2, wherein said lifting drive assembly further comprises a transmission unit connecting said screw with an output shaft of said second motor, said transmission unit being mounted on said mounting bracket.

4. A feeding and injecting mechanism as defined in claim 3, wherein said transmission unit comprises a driving wheel mounted on an output shaft of said second motor, a driven wheel mounted on said screw rod, and a timing belt connecting said driving wheel and said driven wheel.

5. The feed charging and injecting mechanism as defined in claim 4, wherein said transmission unit further comprises a fixed plate slidably mounted on said mounting frame and a tension wheel rotatably mounted on said fixed plate, said timing belt connecting said driving wheel, said driven wheel and said tension wheel.

6. A charging and injecting mechanism as defined in claim 5, wherein said transmission unit further comprises a tension bar mounted on said mounting frame, said tension bar abutting said fixed plate.

7. The feed charging and injecting mechanism as defined in claim 5, wherein said number of said screw rods is the same as that of said driven wheels, said number of said screw rods is two, two of said screw rods are disposed in parallel and spaced apart, and said timing belt connects said driving wheel, two of said driven wheels and said tension wheel.

8. A feeding injection mechanism as claimed in any one of claims 1 to 7, further comprising a rotary bearing, wherein an inner ring of said rotary bearing is fitted over said screw, and an outer ring of said rotary bearing is connected to said lifting plate.

9. A charging and injecting mechanism as defined in any one of claims 1 to 7, wherein said charging and injecting mechanism further comprises a block mounted on said elevating plate, said first motor being mounted on said block, an output shaft of said first motor passing through said block and being connected to said screw.

10. An injection molding machine comprising a feed injection mechanism as claimed in any one of claims 1 to 9.

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