Stable injection mold

Abstract

The utility model discloses a stable injection mold, which relates to the technical field of molds, comprises a mold assembly, and is characterized in that the mold assembly comprises a second mold supporting assembly, a rubber plate is arranged on the bottom surface of the second mold supporting assembly, and two groups of hydraulic cylinders are fixedly mounted at the top of the second mold supporting assembly; a lower die part is arranged on one side of the second die supporting assembly, an upper die part is arranged at the upper end of the lower die part and connected with the output ends of the two hydraulic cylinders, the lower die part is matched with the upper die part, a mounting cavity is formed in the inner side wall of the second die supporting assembly, and a pushing mechanism is arranged on one side of the mounting cavity. The forming cavity is formed in the middle of the lower die part, through the arrangement, a formed workpiece in the forming cavity can be automatically ejected out through the ejection driving mechanism and then is separated from the forming cavity, operation is automatic, an operator can conveniently take materials, and the working efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a stable injection mold. BACKGROUND

[0002] Injection mold is a kind of tool for producing plastic products, by injecting molten plastic material into mold, after pressurization and cooling, the product of required shape is formed.Injection mold is usually composed of mold base, mold core, mold cavity, cooling system and discharge system etc.Part.This kind of mold is widely used in industrial production, is used in injection molding, blow molding, extrusion, die casting or forging pressure forming etc.Many kinds of processes, its working principle involves that molten plastic particles are injected into the cavity of mold by high pressure, are taken out after cooling, to obtain plastic product.And after mold forming, the workpiece surface temperature is high, if directly manual workpiece after forming is taken out, can scald user, at this moment, a stable injection mold is needed.

[0003] On this basis, through patent network retrieval, China patent CN108437356B discloses a kind of injection mold;

[0004] It is known that the patent application has the following deficiencies: the traditional injection mold structure function is simple, when workpiece is formed, due to the lack of corresponding ejection structure of mold, workpiece inside mold cavity is taken out manually, increase the workload of operator, need to consume more time, and prone to scalding worker, make the overall mold production efficiency reduces. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of stable injection mold using the device to work, to solve the above-mentioned background in the injection mold structure function of traditional simple, when workpiece is formed, due to the lack of corresponding ejection structure of mold, workpiece inside mold cavity is taken out manually, increase the workload of operator, need to consume more time, and prone to scalding worker, make the overall mold production efficiency reduces Problem.

[0006] In order to achieve the above object, the utility model provides a technical scheme for a stable injection mold, which comprises a mold assembly, characterized in that: the mold assembly comprises a second mold support assembly, the bottom surface of the second mold support assembly is provided with a rubber plate, the top of the second mold support assembly is fixedly installed with a hydraulic cylinder, and the hydraulic cylinder is provided with two groups, one side of the second mold support assembly is provided with a lower mold part, the upper end of the lower mold part is provided with an upper mold part, the upper mold part is connected with the output ends of the two groups of hydraulic cylinders, the lower mold part is matched with the upper mold part, the inner wall of the second mold support assembly is provided with a mounting cavity, one side of the mounting cavity is provided with a pushing mechanism, the middle part of the lower mold part is provided with a forming chamber, the inner cavity of the forming chamber is provided with a material pushing driving mechanism, the material pushing plate is slidably connected in the inner cavity of the forming chamber, the material pushing driving mechanism comprises a first automatic telescopic rod which is fixedly installed in the inner cavity of the forming chamber, and the first automatic telescopic rod is provided with multiple groups, the bottom of the material pushing plate is fixedly connected with a sealing plate, and the sealing plate is connected with the output ends of the multiple groups of first automatic telescopic rods.

[0007] Preferably, the spring telescopic rod is fixedly installed at the bottom of the inner cavity of the forming chamber, and the spring telescopic rod is provided with two groups.

[0008] Preferably, the two groups of spring telescopic rods are fixedly connected with the sealing plate.

[0009] Preferably, the pushing mechanism comprises a second automatic telescopic rod which is fixedly installed in the inner cavity of the mounting cavity, and the second automatic telescopic rod is provided with two groups.

[0010] Preferably, the second automatic telescopic rod is provided with a pushing block on one side, and the pushing block is connected with the output ends of the two groups of second automatic telescopic rods.

[0011] Preferably, the bottom surface of the pushing block is on the same horizontal plane as the top surface of the lower mold part.

[0012] Preferably, the mold assembly further comprises a first mold workpiece.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a stable injection mold, when the workpiece is formed in the injection mold, if there is no corresponding ejection structure, the model needs to be taken out manually, which increases the workload of the operator and reduces the use efficiency of the device, the utility model moves the second mold support assembly to the place where it is needed to use, and the operator can pass the raw material for making the mold workpiece into the forming chamber, starts two groups of hydraulic cylinders, the hydraulic cylinder extends and drives the upper mold part to move downward, until the bottom surface of the upper mold part contacts the top surface of the lower mold part, the upper and lower mold closing work is completed, the upper mold part is completely covered on the forming chamber, and the space between the upper mold part and the material pushing plate is the forming cavity groove of the mold, after the subsequent raw material is extruded and formed in the forming cavity groove, the rear drive hydraulic cylinder is retracted, the hydraulic cylinder drives the upper mold part to move upward, and the upper mold part and the lower mold part are separated from each other, the automatic setting avoids the situation that the operator directly contacts the upper and lower molds and causes scalding, and effectively increases the safety of the device, when the workpiece in the forming chamber needs to be taken out, the user first drives two groups of hydraulic cylinders to retract simultaneously, so that the upper mold part and the lower mold part are completely separated, then a plurality of first automatic telescopic rods are opened simultaneously, the first automatic telescopic rod is elongated and drives the sealing plate and the material pushing plate to slide upward along the forming chamber until the formed workpiece is pushed out of the forming chamber through the material pushing plate, in the process of lifting movement of the material pushing plate, the two groups of spring telescopic rods in the forming chamber simultaneously perform telescopic movement, and the support of the spring telescopic rod can buffer and protect the material pushing plate, so that the lifting movement of the material pushing plate is more stable, and the material pushing effect is improved, the material pushing plate pushes the formed workpiece out of the forming chamber and makes the workpiece on the side of the material pushing block, the operator stands on the side opposite to the installation cavity, at this time, the user opens two groups of second automatic telescopic rods, the two groups of second automatic telescopic rods simultaneously perform elongation movement, and the two groups of second automatic telescopic rods drive the material pushing block to push in the direction of the workpiece, the material pushing block horizontally pushes the formed workpiece and pushes the workpiece away from the material pushing plate, this operation facilitates the operator to take the workpiece, the setting can make the formed workpiece in the forming chamber automatically eject, and then separate from the forming chamber, the operation is automated, the operator can conveniently take the material, and the working efficiency of the device is improved.

[0015] 2, the utility model discloses a injection mold workpiece processing time guarantee the processing precision's process, in order to the mould has the benefit subsequent process processing and the debugging of injection moulding, make the product weight obtain effective guarantee, like the drawing, the mould workpiece shadow part, ordinary processing sequence is: fast wire cutting roughing, lathe finish turning or NC fine milling. Because the workpiece shadow part is deep cavity, lathe finish turning and NC fine milling all need to adopt the processing of lengthened tool, and lengthened tool is easy to produce the swing of tool, makes the surface precision of workpiece processing reduce, and the surface of workpiece processing is not enough smooth, and subsequent process polishing is not easy to process, change the technology, this shadow part adopts slow wire cutting, and the surface of workpiece processing is even, and has no tool mark, and easy polishing. After this process improvement, the processing precision of mould whole is greatly improved, and a series of problems such as eccentricity produced when injection moulding, product appearance defect etc. are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the utility model;

[0017] Figure 2 It is the second mould overall structural drawing of the utility model;

[0018] Figure 3 It is the upper mould component and lower mould component structure drawing of the utility model;

[0019] Figure 4 It is the material pushing component structure drawing of the utility model;

[0020] Figure 5 It is the material pushing component structure drawing of the utility model;

[0021] In the drawing: 1, first mould workpiece; 2, second mould support assembly; 21, upper mould component; 22, hydraulic cylinder; 23, lower mould component; 231, forming chamber; 232, material ejecting plate; 233, sealing plate; 234, first automatic telescopic rod; 235, spring telescopic rod; 24, installation cavity; 241, material pushing block; 242, second automatic telescopic rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings.

[0024] In combination withFigures 1-5 The utility model provides a stable injection mold, including mould assembly, its characterized in be: mould assembly includes second mould support assembly 2, the bottom of second mould support assembly 2 is provided with rubber plate, the top of second mould support assembly 2 is fixedly installed with hydraulic cylinder 22, and hydraulic cylinder 22 is provided with two groups, one side of second mould support assembly 2 is provided with lower mould part 23, and the upper end of lower mould part 23 is provided with upper mould part 21, and upper mould part 21 is connected with the output end of two groups of hydraulic cylinder 22, and lower mould part 23 is matched with upper mould part 21, and the inner wall of second mould support assembly 2 is provided with installation cavity 24, and installation cavity 24 one side is provided with pusher mechanism, and the middle part of lower mould part 23 is provided with forming chamber 231, and the inner chamber of forming chamber 231 is provided with top material drive mechanism, and the inner chamber slidingly connected with top material plate 232 of forming chamber 231, and top material drive mechanism includes the first automatic telescopic rod 234 of fixed installation in the inside of forming chamber 231, and the first automatic telescopic rod 234 is provided with multiple groups, and the bottom of top material plate 232 is fixedly connected with sealing plate 233, and sealing plate 233 is connected with the output end of multiple groups of first automatic telescopic rod 234.

[0025] The utility model will be further described below in combination with the embodiment.

[0026] Embodiment 1

[0027] Please refer to Figure 1 , and the mould assembly still includes first mould workpiece 1.

[0028] Embodiment 2

[0029] Please refer to Figure 2 And Figure 5 , and the inner chamber bottom of forming chamber 231 is fixedly installed with spring telescopic rod 235, and spring telescopic rod 235 is provided with two groups, and two groups of spring telescopic rod 235 are fixedly connected with sealing plate 233, and pusher mechanism includes the second automatic telescopic rod 242 of fixed installation in the inside of installation cavity 24, and the second automatic telescopic rod 242 is provided with two groups, and the one side of second automatic telescopic rod 242 is provided with pusher block 241, and the bottom of pusher block 241 and the top of lower mould part 23 are on the same horizontal plane.

[0030] The utility model discloses a stable injection mold, when the workpiece is formed in the injection mold, if there is no corresponding ejection structure, the model needs manual removal, increase the workload of operator, reduce the use efficiency of device, the utility model moves the second mold support assembly 2 to the place that needs to use, and the operator can pass into the forming chamber 231 with the raw material of the workpiece of making mold, starts two groups of hydraulic cylinder 22, and the hydraulic cylinder 22 extends and drives the upper mold part 21 to move downward, until the bottom surface of the upper mold part 21 and the top surface of the lower mold part 23 are contacted, and the upper and lower mold closing work is completed, and the upper mold part 21 is completely covered on the forming chamber 231, and the space between the upper mold part 21 and the material pushing plate 232 is the forming cavity groove of the mold, after the subsequent raw material is extruded and formed in the forming cavity groove, the rear drive hydraulic cylinder 22 is retracted, the hydraulic cylinder 22 drives the upper mold part 21 to move upward, and the upper mold part 21 and the lower mold part 23 are separated from each other, and the automatic setting avoids the scalding condition caused by the direct contact of personnel with the upper and lower molds, and effectively increases the safety of the device, when the workpiece in the forming chamber 231 needs to be taken out, the user first drives two groups of hydraulic cylinder 22 to retract simultaneously, so that the upper mold part 21 and the lower mold part 23 are completely separated, then a plurality of first automatic telescopic rods 234 are opened simultaneously, the first automatic telescopic rod 234 is elongated to drive the sealing plate 233 and the material pushing plate 232 to slide upward along the forming chamber 231, until the formed workpiece is pushed out of the forming chamber 231 by the material pushing plate 232, in the lifting process of the material pushing plate 232, the two spring telescopic rods 235 in the forming chamber 231 simultaneously perform telescopic movement, the support of the spring telescopic rod 235 can buffer and protect the material pushing plate 232, so that the lifting movement of the material pushing plate 232 is more stable, and the material pushing effect is improved, the material pushing plate 232 pushes the formed workpiece out of the forming chamber 231, and the workpiece is on one side of the material pushing block 241, an operator stands on the side opposite to the installation cavity 24, at this time, the user opens two groups of second automatic telescopic rods 242, the two groups of second automatic telescopic rods 242 simultaneously perform elongation movement, the two groups of second automatic telescopic rods 242 drive the material pushing block 241 to push in the direction of the workpiece, the material pushing block 241 horizontally pushes the formed workpiece and pushes the workpiece away from the material pushing plate 232, this operation facilitates the workpiece taking of the operator, the setting can make the formed workpiece in the forming chamber 231 automatically eject, and then separate from the forming chamber 231, the operation is automated, the operator can conveniently take the material, and the working efficiency of the device is improved.

[0031] The utility model provides a process that ensures machining precision when injection mold workpiece is processed, in order to make the product weight effectively guaranteed, the injection mold is debugged, and the subsequent process is carried out, like the attached Figure 1The common processing sequence of the mold workpiece shadow part is: 1, fast wire cutting; 2, lathe fine turning or NC fine milling. Since the workpiece shadow part is a deep cavity, the lathe fine turning and the NC fine milling both need to use a lengthened tool for processing. The lengthened tool is prone to tool swing, which reduces the surface precision of the workpiece processing, and the surface of the workpiece processing is not smooth enough, and the polishing of the subsequent process is not easy to process. After changing the process, the shadow part is processed by slow wire cutting. The surface of the processed workpiece is uniform, without tool marks, and easy to polish. After the process is improved, the overall machining precision of the mold is greatly improved, and a series of problems such as eccentricity and product appearance defects generated during injection molding are solved.

[0032] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stable injection mold comprising a mold assembly, characterized by: The mold assembly includes a second mold support assembly (2), the bottom of the second mold support assembly (2) is provided with a rubber plate, the top of the second mold support assembly (2) is fixedly installed with a hydraulic cylinder (22), and the hydraulic cylinder (22) is provided with two groups, one side of the second mold support assembly (2) is provided with a lower mold part (23), the upper end of the lower mold part (23) is provided with an upper mold part (21), the upper mold part (21) is connected with the output ends of the two groups of hydraulic cylinders (22), the lower mold part (23) is matched with the upper mold part (21), the inner side wall of the second mold support assembly (2) is provided with a mounting cavity (24), one side of the mounting cavity (24) is provided with a pushing mechanism, the middle of the lower mold part (23) is provided with a forming chamber (231), the inner cavity of the forming chamber (231) is provided with a material pushing driving mechanism, the forming chamber (231) is slidably connected with a material pushing plate (232), the material pushing driving mechanism includes a first automatic telescopic rod (234) fixedly installed in the inner cavity of the forming chamber (231), and the first automatic telescopic rod (234) is provided with multiple groups, the bottom of the material pushing plate (232) is fixedly connected with a sealing plate (233), and the sealing plate (233) is connected with the output ends of the multiple groups of first automatic telescopic rods (234); The inner cavity of the forming chamber (231) is fixedly installed with a spring telescopic rod (235), and the spring telescopic rod (235) is provided with two groups; The two groups of spring telescopic rods (235) are fixedly connected with the sealing plate (233); The pushing mechanism includes a second automatic telescopic rod (242) fixedly installed in the inner cavity of the mounting cavity (24), and the second automatic telescopic rod (242) is provided with two groups.

2. A stable injection mold according to claim 1, characterized in that: One side of the second automatic telescopic rod (242) is provided with a pushing block (241), and the pushing block (241) is connected with the output ends of the two groups of second automatic telescopic rods (242).

3. A stable injection mold according to claim 2, characterized in that: The bottom surface of the pushing block (241) is in the same horizontal plane as the top surface of the lower mold part (23).

4. A stable injection mold according to claim 3, characterized in that: The mold assembly further includes a first mold workpiece (1).

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