Hydraulic ejection structure of plastic mould
By introducing a combination of multiple electric telescopic rods and electric motors into the hydraulic ejection structure of plastic molds, automatic polishing of finished products is achieved, solving the problem of complex polishing structures in existing technologies and improving ease of use.
Patent Information
- Application Number
- CN202422682971.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing hydraulic ejection structure for plastic molds has a complex polishing structure and is inconvenient to use.
The design employs multiple electric telescopic rods and motors, and achieves automatic polishing of finished products by changing the position of the cover plate and the polisher, simplifying the operation process.
It enables automatic polishing of finished products, simplifies the operation process, and improves the ease of use.
Smart Images

Figure CN223558841U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic mould processing, specifically to a plastic mould hydraulic ejection structure. BACKGROUND
[0002] Plastic is a kind of widely used material. It has the characteristics of light, durable, easy to process, etc. It can be made into various articles, such as plastic products, rubber products, etc. Plastic is everywhere in daily life, such as plastic bags, plastic bottles, toys, electrical appliances shell, etc. Plastic mould is a kind of combined mould for compression molding, extrusion molding, injection molding, blow molding and low foaming molding. The coordinated change of the male and female dies and the auxiliary molding system can process a series of plastic parts with different shapes and sizes.
[0003] For example, Chinese patent CN221392079U discloses a hydraulic ejection structure for plastic mould, which belongs to the technical field of plastic mould processing. The traditional structure is complex to operate, and the surface of the plastic mould cannot be polished after production, resulting in unqualified product quality. The hydraulic ejection structure for plastic mould includes a processing box, a first support frame is arranged at the top middle part of the processing box near the right side, a second electric telescopic rod is arranged at the bottom middle part of the first support frame. The demoulding plate and the demoulding guide column are adjusted to the appropriate position by the hydraulic rod, the second electric telescopic rod moves the cover plate to the top of the injection tank, covers the injection tank, the outer wall of the demoulding guide column is provided with a rubber ring, the demoulding guide column plugs the demoulding hole at the bottom end of the injection tank, the injection tank is injected through the injection port, after the plastic mould is formed, the second electric telescopic rod lifts the cover plate, the hydraulic rod lifts the demoulding plate and the demoulding guide column, and the formed plastic mould is ejected, which has strong practicability.
[0004] After using the hydraulic ejection structure for plastic mould, it is found that although the hydraulic ejection structure can polish the surface of the plastic mould, the polishing structure is complex, which is troublesome to use and the practicability is limited. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a hydraulic ejection structure for plastic mould to solve the problem of complex polishing structure.
[0006] In order to realize the above object, the utility model provides the following technical scheme: A plastic mould hydraulic ejection structure, including base, the upper surface of base is fixedly connected with table, the middle part of table is installed with mounting plate, the middle part of mounting plate is fixedly connected with injection pot, the upper surface of base is fixedly connected with hydraulic rod, the output shaft of hydraulic rod is installed with second connecting frame, the top of second connecting frame is fixedly connected with stripping plate, the upper portion of table is equipped with first motor, the output shaft of first motor is fixedly installed with rotating frame, the bottom of rotating frame is fixedly installed with first electric telescopic rod, the output shaft of first electric telescopic rod is installed with first connecting frame, the bottom of first connecting frame is fixedly connected with cover plate, the bottom of rotating frame is fixedly installed with second electric telescopic rod, the output shaft of second electric telescopic rod is fixedly installed with second motor, the output shaft of second motor is fixedly installed with polisher.
[0007] Preferably, the top of the table is fixedly connected with a support, the top of the support is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the first motor.
[0008] Preferably, the cover plate cooperates with the injection pot, and the stripping plate cooperates with the injection pot.
[0009] Preferably, the middle part of the cover plate is fixedly installed with an injection port.
[0010] Preferably, the first motor is a stepper motor, and the model is 57BYG250H.
[0011] Preferably, the top of the table is fixedly installed with a third electric telescopic rod, and the output shaft of the third electric telescopic rod is fixedly installed with a push plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The utility model discloses a first electric telescopic rod works, and first connecting frame moves up, and cover plate moves up, and the internal finished product carries out cooling, and first motor rotates, and rotating frame rotates one hundred and eighty degrees, and at this moment, polisher is right above injection pot, and second electric telescopic rod works, and second motor moves down, and second motor rotates, and polisher rotates, and the finished product injection place is polished, and polishes, and second motor stops rotating and moves up, and hydraulic rod works, and second connecting frame moves up, and stripping plate moves up, and the finished product is ejected, and this design changes position through cover plate and polisher, and need not move the finished product, and can polish, and the structure is simplified, and use is simpler. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0015] Figure 2 It isFigure 1 Structure schematic view of local amplification at middle A;
[0016] Figure 3 Structure schematic view of side section of injection molding tank of the utility model;
[0017] Figure 4 Structure schematic view of right side of bracket of the utility model.
[0018] In the figure: 1, base; 2, table; 3, bracket; 301, connecting plate; 302, first motor; 303, rotating frame; 4, first electric telescopic rod; 401, first connecting frame; 402, cover plate; 403, injection port; 5, second electric telescopic rod; 501, second motor; 502, polisher; 6, mounting plate; 601, injection tank; 602, demolding plate; 603, second connecting frame; 604, hydraulic rod; 7, third electric telescopic rod. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Please refer to Figures 1-4The utility model provides a technical scheme: a plastic mould hydraulic ejection structure, including base 1, base 1 places on the even ground, the upper surface fixed connection of base 1 has table 2, the middle part of table 2 is installed with mounting plate 6, and the middle part of table 2 has through -hole, can accommodate mounting plate 6, the middle part fixed connection of mounting plate 6 has injection moulding jar 601, and injection moulding jar 601 is an entirety with mounting plate 6, and is matched with cover plate 402, can replace, can change into different mould, the upper surface fixed connection of base 1 has hydraulic pressure rod 604, and the output shaft of hydraulic pressure rod 604 is installed with second connecting frame 603, and the top fixed connection of second connecting frame 603 has stripping plate 602, and second connecting frame 603 is an entirety with stripping plate 602, can replace along with injection moulding jar 601, and hydraulic pressure rod 604 works, can make second connecting frame 603 move up and down, and stripping plate 602 moves up and down, and the upper portion of table 2 is equipped with first motor 302, and first motor 302 is step motor, only rotates one hundred and eighty degrees each time, and the output shaft fixed mounting of first motor 302 has rotating stand 303, and first motor 302 rotates, can make rotating stand 303 rotate, only rotates one hundred and eighty degrees each time, and the bottom fixed mounting of rotating stand 303 has first electric telescopic rod 4, and the output shaft of first electric telescopic rod 4 is installed with first connecting frame 401, and the bottom fixed connection of first connecting frame 401 has cover plate 402, and first electric telescopic rod 4 works, can make first connecting frame 401 move up and down, and cover plate 402 moves up and down, and the bottom fixed mounting of rotating stand 303 has second electric telescopic rod 5, and the distance of second electric telescopic rod 5 to first motor 302 rotating shaft is same with the distance of first electric telescopic rod 4 to first motor 302 rotating shaft, and the output shaft fixed mounting of second electric telescopic rod 5 has second motor 501, and second electric telescopic rod 5 works, can make second motor 501 move up and down, and the output shaft fixed mounting of second motor 501 has polisher 502, and second motor 501 rotates, can make polisher 502 rotate, when using, stripping plate 602 is at the downside of injection moulding jar 601, and the top of stripping plate 602 is flush with injection moulding jar 601, and cover plate 402 is on the upside of injection moulding jar 601, and is injected through injection port 403, and first electric telescopic rod 4 works, and first connecting frame 401 moves up, and cover plate 402 moves up, and the inside finished product carries out cooling, and first motor 302 rotates, and rotating stand 303 rotates one hundred and eighty degrees, at this moment, polisher 502 is directly above injection moulding jar 601, and second electric telescopic rod 5 works, and second motor 501 moves down, and second motor 501 rotates, and polisher 502 rotates, and the finished product injection place is polished, and polishes, and second motor 501 stops rotating and moves up, and hydraulic pressure rod 604 works, and second connecting frame 603 moves up, and stripping plate 602 moves up, and the finished product is ejected.
[0021] The top of the table 2 is fixedly connected with a support 3, the top of the support 3 is fixedly connected with a connecting plate 301, the connecting plate 301 is fixedly connected with a first motor 302, and the support 3 and the connecting plate 301 support the first motor 302.
[0022] The cover plate 402 is matched with the injection tank 601, the stripping plate 602 is matched with the injection tank 601, and raw materials are formed in the injection tank 601.
[0023] The middle part of the cover plate 402 is fixedly connected with an injection port 403, and raw materials are injected from the injection port 403.
[0024] The first motor 302 is a step motor, and the model is 57BYG250H.
[0025] The top of the table 2 is fixedly connected with a third electric telescopic rod 7, and the output shaft of the third electric telescopic rod 7 is fixedly connected with a push plate.
[0026] When in use, the stripping plate 602 is arranged at the lower side of the injection tank 601, the top of the stripping plate 602 is flush with the injection tank 601, the cover plate 402 is arranged at the upper side of the injection tank 601, raw materials are injected through the injection port 403, the first electric telescopic rod 4 works, the first connecting frame 401 moves upwards, the cover plate 402 moves upwards, the product in the interior is cooled, the first motor 302 rotates, the rotating frame 303 rotates by 180 degrees, at this time, the polisher 502 is arranged directly above the injection tank 601, the second electric telescopic rod 5 works, the second motor 501 moves downwards, the second motor 501 rotates, the polisher 502 rotates to polish the product, after polishing, the second motor 501 stops rotating and moves upwards, the hydraulic rod 604 works, the second connecting frame 603 moves upwards, the stripping plate 602 moves upwards, and the product is ejected.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic ejection structure for a plastic mold, comprising a base (1), characterized in that: A table (2) is fixedly connected to the upper surface of the base (1). A mounting plate (6) is installed in the middle of the table (2). An injection molding tank (601) is fixedly connected to the middle of the mounting plate (6). A hydraulic rod (604) is fixedly connected to the upper surface of the base (1). A second connecting frame (603) is installed on the output shaft of the hydraulic rod (604). A demolding template (602) is fixedly connected to the top of the second connecting frame (603). A first motor (302) is provided on the upper part of the table (2). The output shaft of the first motor (302) is fixedly connected to the table (1). A rotating frame (303) is fixedly installed. A first electric telescopic rod (4) is fixedly installed at the bottom of the rotating frame (303). A first connecting frame (401) is installed on the output shaft of the first electric telescopic rod (4). A cover plate (402) is fixedly connected to the bottom of the first connecting frame (401). A second electric telescopic rod (5) is fixedly installed at the bottom of the rotating frame (303). A second motor (501) is fixedly installed on the output shaft of the second electric telescopic rod (5). A grinder (502) is fixedly installed on the output shaft of the second motor (501).
2. The hydraulic ejection structure for a plastic mold according to claim 1, characterized in that: The top of the table (2) is fixedly connected to a bracket (3), and the top of the bracket (3) is fixedly connected to a connecting plate (301). The connecting plate (301) is fixedly connected to the first motor (302).
3. The hydraulic ejection structure for a plastic mold according to claim 1, characterized in that: The cover plate (402) cooperates with the injection molding tank (601), and the release plate (602) cooperates with the injection molding tank (601).
4. The hydraulic ejection structure for a plastic mold according to claim 1, characterized in that: An injection port (403) is fixedly installed in the middle of the cover plate (402).
5. The hydraulic ejection structure for a plastic mold according to claim 1, characterized in that: The first motor (302) is a stepper motor, model 57BYG250H.
6. The hydraulic ejection structure for a plastic mold according to claim 1, characterized in that: A third electric telescopic rod (7) is fixedly installed on the top of the table (2), and a push plate is fixedly installed on the output shaft of the third electric telescopic rod (7).
Citation Information
Patent Citations
Hydraulic ejection structure of plastic mold
CN221392079U