Power system of injection molding machine

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a power system of an injection molding machine, which comprises a base, the base comprises a containing cavity, a first mounting port and a second mounting port, the first mounting port and the second mounting port are respectively communicated with the containing cavity, the first mounting port is positioned in the Y-axis direction of the base, and the second mounting port is positioned in the X-axis direction of the base; the mounting base is movably arranged at the first mounting opening, one end of the mounting base is located in the containing cavity, and the other end of the mounting base extends out of the containing cavity in the Y-axis direction of the base; the hydraulic cylinder is arranged at the second mounting opening, and the output end of the hydraulic cylinder movably extends into the accommodating cavity to be connected with the mounting seat; the hydraulic motor is arranged at the extending end of the mounting base, and the output end of the hydraulic motor is connected with the end, located in the containing cavity, of the mounting base. The power system of the injection molding machine is compact in structure and stable in performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, more particularly to a kind of power system of injection molding machine. BACKGROUND

[0002] Injection molding machine is an important equipment indispensable in plastic processing industry, and is widely used in manufacturing various plastic products. Through injection molding process, injection molding machine can heat and melt plastic materials, and inject them into closed mold cavity under high pressure, to form the required plastic products after cooling and solidification. This process is highly automated and precisely controlled, ensuring the quality and production efficiency of products. Traditional injection molding machines usually use hydraulic systems to drive the rotation and movement of the screw. Specifically, a hydraulic motor drives the screw to rotate, causing the plastic to be heated, melted and pushed forward in the barrel; a hydraulic cylinder pushes the screw to move forward, injecting the molten plastic into the mold cavity under high pressure. However, the hydraulic motor and hydraulic cylinder of the existing hydraulic system are arranged transversely in sequence at one end of the screw, which significantly increases the volume of the entire injection molding machine, especially the occupied space in the length direction, making it difficult to place and install the equipment, especially in the case of limited factory space, which becomes a serious problem. In addition, the transverse arrangement of hydraulic components also increases the complexity of maintenance, and technicians need more operating space for repair and maintenance, further affecting the maintainability of the equipment. SUMMARY

[0003] The utility model aims at the above problems existing in prior art, provide a kind of power system of injection molding machine with compact structure and stable performance.

[0004] The utility model can be realized by the following technical scheme, a kind of power system of injection molding machine, comprising:

[0005] Base, the base includes a containing cavity, and first installation port and second installation port communicated with the containing cavity respectively, and the first installation port is in the Y axis direction of the base, and the second installation port is in the X axis direction of the base;

[0006] Mounting seat, the mounting seat is movably arranged at the first installation port, and one end of the mounting seat is in the containing cavity, and the other end extends to the outside of the containing cavity along the Y axis direction of the base;

[0007] Hydraulic cylinder, the hydraulic cylinder is arranged at the second installation port, and the output end of the hydraulic cylinder movably extends into the containing cavity and is connected with the mounting seat;

[0008] Hydraulic motor, the hydraulic motor is arranged on the extended end of the mounting seat, and the output end of the hydraulic motor is connected with one end of the mounting seat in the containing cavity.

[0009] In the power system of the injection molding machine, the mounting base comprises a support arm extending along the Y-axis direction of the base, the hydraulic motor is arranged on the support arm, and a first connecting part movably connected with the base is arranged on the support arm, so that when the hydraulic cylinder moves, the mounting base can drive the hydraulic motor to move synchronously along the X-axis direction of the base.

[0010] In the power system of the injection molding machine, the support arm comprises a first support part and a second support part arranged symmetrically with respect to the center of the mounting base, and the first connecting part comprises two groups of connecting parts arranged on the first support part and the second support part respectively and movably connected with the base through a sliding structure.

[0011] In the power system of the injection molding machine, the sliding structure comprises a sliding block and a sliding rail, the sliding block is detachably arranged on the first connecting part and movably connected with the sliding rail, and the sliding rail is detachably arranged on the base and extends along the length direction of the first mounting opening.

[0012] In the power system of the injection molding machine, a connecting seat is further arranged between the support arm and the hydraulic motor, one surface of the connecting seat is detachably connected with the support arm, and the other surface is detachably connected with the hydraulic motor.

[0013] In the power system of the injection molding machine, the connecting seat comprises a second connecting part detachably connected with the hydraulic motor and a third connecting part detachably connected with the support arm, and a waist hole is arranged on the third connecting part.

[0014] In the power system of the injection molding machine, a limiting structure is detachably arranged on the third connecting part, and the limiting structure abuts against the support arm and can limit the movement of the connecting seat towards the direction close to the accommodating cavity.

[0015] In the power system of the injection molding machine, the limiting structure comprises a support block and a positioning rod, the support block is parallel to the accommodating cavity and is detachably connected with the third connecting part perpendicularly, and the positioning rod is vertically arranged on the support block and abuts against the support arm.

[0016] In the power system of the injection molding machine, a rotating shaft is arranged on the mounting base, the output end of the hydraulic motor is connected with the rotating shaft through a belt transmission structure and can drive the rotating shaft to rotate, and a thrust bearing is arranged in the mounting base.

[0017] In the power system of the injection molding machine, a third mounting opening opposite to the second mounting opening is further arranged on the base, the third mounting opening is in communication with the accommodating cavity and coaxial with the rotating shaft.

[0018] Compared with the prior art, the utility model discloses the beneficial effects are: through being provided with the base with first installation mouth and second installation mouth, make first installation mouth be in the Y axle direction of base, second installation mouth be in the X axle direction of base, and set up the movable mounting seat at first installation mouth, still make mounting seat one end be in the accommodation cavity, the other end extends to the accommodation cavity outside along the Y axle direction of base, and set up the hydraulic motor on the extension end of mounting seat, set up the hydraulic cylinder at second installation mouth, this design avoided the space occupation problem that traditional horizontal arrangement brought, especially reduced the occupied space of equipment in the X axle direction, improved the space utilization of Y axle direction, made the whole injection molding machine more compact, is suitable in the factory environment of limited space uses. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a power system's structure schematic view of the utility model embodiment injection molding machine.

[0020] Figure 2 It is the explosion drawing of the utility model embodiment power system of injection molding machine.

[0021] Figure 3 It is Figure 2 Structure schematic view of another angle.

[0022] Figure 4 It is the state diagram of power system and injection molding structure connection in the utility model embodiment.

[0023] In all drawings, same reference signs represent same technical features, specifically: 100, base;101, accommodation cavity;110, first installation mouth;120, second installation mouth;130, third installation mouth;200, mounting seat;210, support arm;211, first support part;212, second support part;220, first connecting part;230, pivot;300, hydraulic cylinder;400, hydraulic motor;500, sliding structure;510, sliding block;520, slide rail;600, connecting seat;610, second connecting part;620, third connecting part;621, waist hole;630, limiting structure;631, support block;632, positioning rod;700, belt drive structure;800, injection molding structure;810, barrel;820, screw. DETAILED DESCRIPTION

[0024] The following is the specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] like Figures 1 to 4 As shown, a power system for an injection molding machine includes:

[0027] The base 100 includes a receiving cavity 101, and a first mounting port 110 and a second mounting port 120 respectively communicating with the receiving cavity 101, wherein the first mounting port 110 is located in the Y-axis direction of the base 100 and the second mounting port 120 is located in the X-axis direction of the base 100.

[0028] Mounting base 200 is movably disposed at the first mounting port 110, with one end of the mounting base 200 inside the receiving cavity 101 and the other end extending out of the receiving cavity 101 along the Y-axis direction of the base 100.

[0029] A hydraulic cylinder 300 is provided at the second mounting port 120, and the output end of the hydraulic cylinder 300 can be movably extended into the receiving cavity 101 and connected to the mounting base 200.

[0030] A hydraulic motor 400 is mounted on the extension end of the mounting base 200, and the output end of the hydraulic motor 400 is connected to one end of the mounting base 200 located within the receiving cavity 101. This design optimizes the layout of the hydraulic cylinder 300 and the hydraulic motor 400. By placing the hydraulic motor 400 longitudinally on the base 100 and the hydraulic cylinder 300 transversely on the base 100, the space occupation problem caused by the traditional transverse arrangement is avoided. In particular, it reduces the space occupied by the equipment in the X-axis direction and improves the space utilization in the Y-axis direction, making the entire injection molding machine more compact and suitable for use in factory environments with limited space.

[0031] Specifically, such as Figures 1 to 3As shown, in the embodiment, the power system mainly comprises a base 100, a mounting seat 200, a hydraulic cylinder 300 and a hydraulic motor 400. The base 100 serves as a load-bearing component of the entire power system and provides a stable support platform. The mounting seat 200 is movably mounted on the base 100 and used to carry and drive the hydraulic motor 400 to move. The hydraulic cylinder 300 is detachably arranged on the base 100 and used to drive the screw rod 820 to move linearly. The hydraulic motor 400 is detachably arranged on the mounting seat 200 and used to drive the screw rod 820 to rotate. Through the cooperative work of the hydraulic cylinder 300 and the hydraulic motor 400, the power system can realize the accurate control of the linear motion and the rotary motion of the screw rod 820, thereby completing the key actions such as injection and pressure maintaining in the injection molding process.

[0032] In the embodiment, the base 100 is of a hollow structure and comprises a rectangular accommodating cavity 101 and first and second mounting openings 110 and 120 respectively communicating with the accommodating cavity 101. The first mounting opening 110 is rectangular, located in the Y-axis direction of the base 100 and extends along the Y-axis direction. The second mounting opening 120 is circular, located in the X-axis direction of the base 100 and extends along the X-axis direction. The design of the accommodating cavity 101 enables the base 100 to protect the power system, effectively improving the safety of the power system. The cooperative design of the first and second mounting openings 110 and 120 improves the utilization of the horizontal and vertical spaces and avoids the problems of excessive occupation of the horizontal space and low utilization of the vertical space in the conventional design, so that the overall structure of the power system and the injection molding machine is more compact.

[0033] In the embodiment, the base 100 is further provided with a circular third mounting opening 130 arranged opposite to the second mounting opening 120, which serves as a mounting interface of the barrel 810, communicates with the accommodating cavity 101 and is coaxial with the rotating shaft 230. This design ensures the accurate centering between the screw rod 820 in the barrel and the rotating shaft 230, avoids vibration and wear caused by eccentricity and effectively improves the stability of the transmission system and the precision of the injection molding process.

[0034] To realize the cooperation of the hydraulic motor 400 and the hydraulic cylinder 300, in the embodiment, the first mounting opening 110 is provided with a movable mounting seat 200. One end of the mounting seat 200 vertically extends into the accommodating cavity 101 and the other end extends along the Y-axis direction of the base 100. On one hand, the mounting seat 200 serves as a load-bearing component for fixing the hydraulic motor 400. On the other hand, the mounting seat 200 serves as a connecting component for the transmission between the hydraulic motor 400, the hydraulic cylinder 300 and the screw rod 820.

[0035] In the embodiment, the mounting base 200 comprises a support arm 210 extending along the base 100 Y-axis direction, and the hydraulic motor 400 is arranged on the support arm 210, which enables the longitudinal layout of the hydraulic motor 400, effectively reducing the length of the equipment in the X-axis direction; and the support arm 210 is provided with a first connecting part 220 movably connected with the base 100, when the hydraulic cylinder 300 moves, the mounting base 200 can drive the hydraulic motor 400 to move synchronously along the base 100 X-axis direction; the design enhances the cooperative working ability between the hydraulic motor 400 and the hydraulic cylinder 300, effectively improves the response speed and accuracy of the system, and further ensures the stability and accuracy of the injection process.

[0036] In the embodiment, the support arm 210 comprises a first support part 211 and a second support part 212 arranged symmetrically along the center of the mounting base 200, and the first support part 211 and the second support part 212 are arranged in a V shape, and the first connecting part 220 is provided with two groups, respectively located on the first support part 211 and the second support part 212, and movably connected with the base 100 through the sliding structure 500. The design of the first support part 211 and the second support part 212 makes the stress of the mounting base 200 and the base 100 more uniform, significantly improves the stability and carrying capacity of the system, and the cooperation design of the two groups of first connecting parts 220 provides double support points, not only increases the reliability of the connection, but also ensures the linearity and stability of the mounting base 200 during movement, avoiding any lateral deviation.

[0037] Preferably, in the embodiment, the first connecting part 220 is in the shape of a rectangular block, which extends towards the side of the first mounting port 110, parallel to the side of the base 100, and a plurality of connecting holes are arranged on the first connecting part 220 to form detachable connection with the sliding structure 500. The design ensures the convenience of disassembly and maintenance of the sliding structure 500 and the mounting base 200.

[0038] In the embodiment, the sliding structure 500 comprises a sliding block 510 and a sliding rail 520, the sliding block 510 is detachably arranged on the side of the first connecting part 220 facing the base 100 by bolts, and is movably connected with the sliding rail 520, the sliding rail 520 is detachably arranged on the base 100 by bolts, and extends along the length direction of the first mounting port 110. When the hydraulic cylinder 300 moves, the sliding block 510 moves along the length direction of the sliding rail 520, and drives the mounting base 200 to move along the length direction of the first mounting port 110. The design not only effectively ensures that the mounting base 200 can move smoothly and accurately along the predetermined path, but also improves the reliability of the system and the convenience of maintenance.

[0039] To further improve the flexibility of the hydraulic motor 400 installation, in the embodiment, a connecting seat 600 is further arranged between the support arm 210 and the hydraulic motor 400, one side of the connecting seat 600 is detachably connected with the first support part 211 and the second support part 212, the other side is detachably connected with the hydraulic motor 400, and the connecting seat 600 further has a through hole for the output end of the hydraulic motor 400 to extend out. This design not only realizes the flexible installation of the hydraulic motor 400, but also plays a certain role in shock absorption and buffering, effectively improving the stability and reliability of the system operation. In addition, the through hole design ensures that the output end of the hydraulic motor 400 can smoothly pass through the connecting seat 600 and be connected with the subsequent transmission components, ensuring the continuity and reliability of power transmission.

[0040] In the embodiment, the connecting seat 600 includes a second connecting part 610 and a third connecting part 620 which are integrally formed, the second connecting part 610 is in the shape of a cylindrical boss, and is detachably connected with the hydraulic motor 400 through bolts, the third connecting part 620 is in the shape of a rectangular plate, and is detachably connected with the first support part 211 and the second support part 212 through bolts, and the third connecting part 620 is provided with a waist hole 621. Through the cooperation of the second connecting part 610 and the third connecting part 620, the stability and flexibility of the connection between the hydraulic motor 400, the connecting seat 600 and the mounting seat 200 are effectively ensured. At the same time, the design of the waist hole 621 enables the connecting seat 600 to flexibly adjust the installation height, thereby realizing the flexible installation of different models of hydraulic motors 400 in cooperation with the second connecting part 610.

[0041] In the embodiment, a limiting structure 630 is detachably arranged on the third connecting part 620, and the limiting structure 630 abuts against one side of the support arm 210 parallel to the mounting seat 200 and can limit the movement of the connecting seat 600 towards the direction close to the accommodating cavity 101. This design enables the support arm 210 to form an upward lifting force on the connecting seat 600, thereby avoiding the downward displacement of the connecting seat 600 under the gravity of the hydraulic motor 400, and effectively ensuring the reliability of the installation of the hydraulic motor 400.

[0042] In the embodiment, the limiting structure 630 includes a support block 631 and a positioning rod 632, the support block 631 is in the shape of a rectangle parallel to the accommodating cavity 101 and is detachably connected with the third connecting part 620 perpendicularly, and the positioning rod 632 is a screw rod 820 which is rotatably vertically arranged on the support block 631 and abuts against the support arm 210. This design forms an effective mechanical limiting, which is simple and reliable, can accurately control the position of the connecting seat 600, prevent it from exceeding the safe range, and ensure the stability and safety of the system.

[0043] In the embodiment, the mounting base 200 is further provided with a rotating shaft 230, the output end of the hydraulic motor 400 is connected with the rotating shaft 230 through a belt transmission structure 700 and can drive the rotating shaft 230 to rotate, and the mounting base 200 is provided with a thrust bearing. The design enables the belt transmission structure 700 to transmit the power of the hydraulic motor 400 to the rotating shaft 230, and the thrust bearing is used in cooperation, so that the screw rod 820 connected with the rotating shaft 230 can not only rotate, but also move axially.

[0044] As shown in Figure 4 When the power system is connected with the injection structure 800, the barrel 810 of the injection structure 800 is detachably mounted on the third mounting port 130, and the screw rod 820 in the barrel 810 is connected with the rotating shaft 230 through the third mounting port 130 and can rotate or move synchronously with the movement of the rotating shaft 230.

[0045] It should be noted that the description of "first", "second", "one" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited. The terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0047] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A power system for an injection molding machine, characterized by, The utility model provides a kind of hydraulic motor installation structure, including: Base, the base includes a containing cavity, and first installation port and second installation port are communicated with the containing cavity respectively, and the first installation port is in the Y axis direction of the base, and the second installation port is in the X axis direction of the base; Mounting seat, the mounting seat is movably arranged at the first installation port, and one end of the mounting seat is in the containing cavity, and the other end extends to the containing cavity outside along the Y axis direction of the base; Hydraulic cylinder, the hydraulic cylinder is arranged at the second installation port, and the output end of the hydraulic cylinder is movably extended into the containing cavity and connected with the mounting seat; Hydraulic motor, the hydraulic motor is arranged on the extended end of the mounting seat, and the output end of the hydraulic motor is connected with one end of the mounting seat in the containing cavity.

2. A power system for an injection molding machine as defined in claim 1, wherein The mounting seat includes support arm extending along the Y axis direction of the base, the hydraulic motor is arranged on the support arm, and the support arm is provided with first connecting part movably connected with the base, when the hydraulic cylinder moves, the mounting seat can drive the hydraulic motor to move synchronously along the X axis direction of the base.

3. A power system for an injection molding machine as defined in claim 2, wherein The support arm includes first support part and second support part arranged symmetrically along the center of the mounting seat, and the first connecting part is provided with two groups, respectively located on the first support part and the second support part, and movably connected with the base through sliding structure.

4. A power system for an injection molding machine as defined in claim 3, wherein The sliding structure includes slider and slide rail, the slider is detachably arranged on the first connecting part and movably connected with the slide rail, and the slide rail is detachably arranged on the base and extends along the length direction of the first installation port.

5. The power system of claim 2 wherein, Connecting seat is further arranged between the support arm and the hydraulic motor, one side of the connecting seat is detachably connected with the support arm, and the other side is detachably connected with the hydraulic motor.

6. A power system for an injection molding machine as defined in claim 5, wherein, The connecting seat includes second connecting part detachably connected with the hydraulic motor, and third connecting part detachably connected with the support arm, and the third connecting part is provided with a waist hole.

7. A power system for an injection molding machine as defined in claim 6, wherein Limiting structure is detachably arranged on the third connecting part, and the limiting structure abuts against the support arm and can limit the movement of the connecting seat towards the containing cavity.

8. A power system for an injection molding machine as defined in claim 7, wherein The limiting structure includes support block and positioning rod, the support block is parallel to the containing cavity and detachably connected with the third connecting part perpendicularly, and the positioning rod is vertically arranged on the support block and abuts against the support arm.

9. The power system of claim 1 wherein, A rotating shaft is arranged on the mounting seat, the output end of the hydraulic motor is connected with the rotating shaft through belt transmission structure and can drive the rotating shaft to rotate, and a thrust bearing is arranged in the mounting seat.

10. A power system for an injection molding machine as defined in claim 9, wherein, A third installation port is further arranged on the base opposite to the second installation port, the third installation port is communicated with the containing cavity and coaxial with the rotating shaft.

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