High-precision lightweight injection mold
The design of multi-stage electric telescopic rods and mold shell components enables rapid replacement and precise alignment of injection molds, solving the problem of long calibration time after mold replacement and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202423085211.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Replacing existing injection molds requires additional time and effort for calibration, affecting product quality and making the operation inefficient.
The design employs a multi-stage electric telescopic rod and mold shell assembly, enabling rapid replacement and alignment of upper and lower molds by precisely controlling the movement and alignment of mold components, thus reducing human error.
It improves the efficiency of mold changeover and the precision of the injection molding process, ensures product quality, reduces calibration steps, and improves production efficiency and reliability.
Smart Images
Figure CN223589951U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, concretely is a kind of high-precision light weight injection mold. BACKGROUND
[0002] High-precision light weight injection mold is a precision tool for plastic product production, it adopts advanced design and manufacturing technology to realize the high-precision size and shape requirement of product, simultaneously through optimization mold structure and material selection, reduce the weight of mold itself, to reach the purpose of improving production efficiency, reducing material consumption and cost;
[0003] The existing injection mold design considers the diversity in injection molding process, therefore adopts replaceable upper die and lower die structure, this design allows to replace mold as required to adapt to different injection molding tasks, however, after replacing mold, it is a key step to ensure the accurate alignment between upper die and lower die, because inaccurate alignment can affect the quality of final product;
[0004] At present, many equipment adopts push-pull type method to replace mold, this method is quick in operation, but after replacing mold, additional time and effort are often needed to carry out correction, if correction work is not well done, it will directly affect the quality of product produced subsequently, therefore, aiming at the above problems, a kind of high-precision light weight injection mold is provided. TECHNICAL SOLUTION
[0005] The utility model discloses a kind of high-precision light weight injection molds, to solve the problem that mold is often needed additional time and effort to carry out correction, if correction work is not well done, it will directly affect the quality of product produced subsequently.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] The utility model provides a high accuracy light weight injection mold, including multistage electric telescopic rod and mould shell subassembly, one side fixed connection has mould shell subassembly of multistage electric telescopic rod, the inside slide connection of mould shell subassembly has upper mould subassembly, the inside slide connection of mould shell subassembly has lower mould subassembly, upper mould subassembly includes upper mould plate, and the inside of upper mould plate is equipped with upper core groove, and the inside fixed connection of upper mould plate upper core groove has spring telescopic rod, and the bottom fixed connection of spring telescopic rod has first installation piece, and the inside of first installation piece is equipped with double side groove, and the inside fixed connection of double side groove of first installation piece is equipped with upper mould core outside, the inside fixed connection of guide hole of first installation piece is equipped with baffle, lower mould subassembly includes lower mould plate, and the inside of lower mould plate is equipped with buffer groove, and the inside fixed connection of buffer groove of lower mould plate has guide column, and the inside fixed connection of lower mould plate has buffer spring, and the top fixed connection of buffer spring has second installation piece, and the inside of second installation piece is equipped with cylindrical slide mouth, and the inside of ladder groove of second installation piece is equipped with lower mould core outside.
[0008] As the further optimization of the utility model, the mould shell subassembly includes a base, the top of the base is fixedly connected with a rack, the top of the rack is fixedly connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a pushing block, the top of the base is fixedly connected with a block, the inside of the block is provided with a pressing groove, the inside of the block is provided with a limiting square groove, the front end of the base is fixedly connected with a vertical plate, and the inside of the block is fixedly connected with an injection pipe.
[0009] As the further optimization of the utility model, the inside of the vertical plate close to the multistage electric telescopic rod is provided with a through hole, the number of the multistage electric telescopic rod is two, the front end of the upper mould subassembly and the front end of the lower mould subassembly are fixedly connected with the multistage electric telescopic rod, the inside of the rack close to the hydraulic rod is provided with a through hole, and the middle end of the pushing block is on the same vertical line with the middle end of the pressing groove.
[0010] As the further optimization of the utility model, the pressing groove vertically penetrates the inside of the block, the limiting square groove horizontally penetrates the inside of the block, the pressing groove and the limiting square groove cross and communicate, the number of the limiting square groove is two, the outside of the upper mould plate is slidably connected to the inside of the limiting square groove at the upper end, and the lower mould plate is slidably connected to the inside of the limiting square groove at the lower end.
[0011] As the further optimization of the utility model, the upper core groove vertically penetrates the inside of the upper mould plate, a support is installed on the inside of the upper core groove, the number of the spring telescopic rod is four, the spring telescopic rod is fixedly connected to the upper end of the four corners of the first installation piece, and the spring telescopic rod and the baffle are staggered.
[0012] As the further optimization of the utility model, wherein: the shape of the double-sided groove is a rectangular body with different sizes at both ends, the double-sided groove vertically penetrates the inside of the first placement block, the shape of the upper die core upper end is the same as the shape of the double-sided groove, the lower end of the upper die core protrudes the bottom end of the first placement block, the number of the guide openings is the same as the number of the guide columns, and the guide openings and the guide columns are on the same vertical line.
[0013] As the further optimization of the utility model, wherein: the middle end of the double-sided groove and the middle end of the ladder groove are on the same vertical line, the lower die core is in the center of the ladder groove, the middle end of the lower die core and the middle end of the upper die core are on the same vertical line, the guide column slides on the inside of the cylindrical sliding opening, and the lower die plate is provided with a receiving groove on the inside close to the buffer spring.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] In the utility model, the mold shell assembly, the upper die assembly and the lower die assembly are arranged, the movement and alignment of the mold parts are accurately controlled, the upper die core and the lower die core are quickly replaced, the step of additional correction after replacement is avoided, the time required for replacing the mold is reduced, the production efficiency is improved, the accuracy of the injection molding process is ensured, the quality of the final product is improved, the error of manual operation is reduced through the automatic mold replacement and alignment mechanism, the injection molding process is more reliable and efficient. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a rack structure schematic view of the utility model;
[0018] Figure 3 It is a package block structure schematic view of the utility model;
[0019] Figure 4 It is an upper die plate structure schematic view of the utility model;
[0020] Figure 5 It is a first placement block structure schematic view of the utility model;
[0021] Figure 6 It is a lower die plate structure schematic view of the utility model.
[0022] In the drawing: 1, multistage electric telescopic rod;
[0023] 2, mold shell assembly; 21, base; 22, rack; 23, hydraulic rod; 24, push block; 25, package block; 26, pressing groove; 27, limiting square groove; 28, vertical plate;
[0024] 3. upper mold assembly; 31, upper mold plate; 32, upper core slot; 33, spring telescopic rod; 34, first locating block; 35, double-sided slot; 36, upper mold core; 37, guide port; 38, baffle;
[0025] 4. lower mold assembly; 41, lower mold plate; 42, buffer slot; 43, guide column; 44, buffer spring; 45, second locating block; 46, cylindrical slide port; 47, ladder slot; 48, lower mold core;
[0026] 5. injection pipe. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0029] Please refer to Figures 1-6 The present application provides a technical solution:
[0030] The utility model provides a high-precision light weight injection mold, including multistage electric telescopic rod 1 and mould shell subassembly 2, one side fixed connection has mould shell subassembly 2 of multistage electric telescopic rod 1, the upper mould assembly 3 of mould shell subassembly 2 inner side slide connection has the lower mould assembly 4 of mould shell subassembly 2 inner side slide connection, the upper mould assembly 3 includes upper mould plate 31, and the upper mould plate 31 inside is equipped with upper core groove 32, and the upper core groove 32 of upper mould plate 31 is equipped with spring telescopic rod 33 and is fixedly connected with the inside, and the spring telescopic rod 33 bottom is fixedly connected with first installation block 34, and the first installation block 34 inside is equipped with double side groove 35, and the double side groove 35 of first installation block 34 is equipped with the outside of upper mould core 36 and is pasted, and the first installation block 34 inside is equipped with guide port 37, and the guide port 37 of first installation block 34 is equipped with baffle 38 and is fixedly connected with the inside, and the lower mould assembly 4 includes lower mould plate 41, and the lower mould plate 41 inside is equipped with buffer groove 42, and the buffer groove 42 of lower mould plate 41 is equipped with guide column 43 and is fixedly connected with the inside, and the lower mould plate 41 inside is fixedly connected with buffer spring 44, and the buffer spring 44 top is fixedly connected with second installation block 45, and the second installation block 45 inside is equipped with cylindrical slide port 46, and the second installation block 45 inside is equipped with ladder groove 47, and the ladder groove 47 of second installation block 45 is equipped with the outside of lower mould core 48 and is pasted.
[0031] As the further implementation of the scheme, the mould shell subassembly 2 includes the pedestal 21, the pedestal 21 top is fixedly connected with the rack 22, the rack 22 top is fixedly connected with the hydraulic rod 23, the hydraulic rod 23 bottom is fixedly connected with the push block 24, the pedestal 21 top is fixedly connected with the package block 25, the package block 25 inside is equipped with the pressure slot 26, the package block 25 inside is equipped with the limiting square groove 27, the pedestal 21 front end is fixedly connected with the vertical plate 28, and the package block 25 inside is fixedly connected with the injection pipe 5, and the structure design makes the mould shell subassembly 2 component have multilayer fixed connection, ensures the stability and accuracy during the mould replacement process, and the establishment of the pressure slot 26 and the limiting square groove 27 provides the guidance for the alignment of the mould,
[0032] As a further implementation of the present scheme, the vertical plate 28 is provided with a through hole near the inner side of the multi-stage electric telescopic rod 1, the number of multi-stage electric telescopic rods 1 is two, the front end of the upper die assembly 3 and the front end of the lower die assembly 4 are fixed with multi-stage electric telescopic rods 1, the frame 22 is provided with a through hole near the inner side of the hydraulic rod 23, the middle end of the push block 24 is on the same vertical line with the middle end of the pressing groove 26, the pressing groove 26 vertically penetrates the inner side of the block 25, the limiting square groove 27 horizontally penetrates the inner side of the block 25, the pressing groove 26 and the limiting square groove 27 are cross communicated, the number of limiting square grooves 27 is two, the upper die plate 31 is slidably connected to the inner side of the upper end of the limiting square groove 27, the lower die plate 41 is slidably connected to the inner side of the lower end of the limiting square groove 27, which facilitates the accurate movement of the upper die assembly 3 or the lower die assembly 4 through the multi-stage electric telescopic rod 1, and ensures the stability of the upper die assembly 3 and the lower die assembly 4 during movement through the limiting of the limiting square groove 27, and supports the upper die assembly 3 and the lower die assembly 4;
[0033] As a further implementation of the present scheme, the upper core groove 32 vertically penetrates the inner side of the upper die plate 31, the bracket is installed in the inner side of the upper core groove 32, the number of spring telescopic rods 33 is four, the spring telescopic rods 33 are fixed to the upper end of the four corners of the first positioning block 34, the spring telescopic rods 33 are staggered with the baffle 38, the spring telescopic rods 33 are provided at the four corners of the first positioning block 34, which provides uniform distribution force and reduces the possibility of mold deformation, and the staggered design with the baffle 38 may help to improve the load capacity of the mold;
[0034] As a further implementation of the present scheme, the double square groove 35 is a rectangular body with different sizes at both ends, the double square groove 35 vertically penetrates the inside of the first positioning block 34, the shape of the upper end of the upper core 36 is the same as the shape of the double square groove 35, the lower end of the upper core 36 protrudes from the bottom end of the first positioning block 34, the number of guide ports 37 is the same as the number of guide columns 43, the guide ports 37 are on the same vertical line with the guide columns 43, the protruding design of the lower end of the upper core 36 may help to improve the stability of the mold, and the same number and vertical alignment of the guide ports 37 and the guide columns 43 may help to ensure uniform stress and accurate alignment of the mold;
[0035] As a further implementation of the present scheme, the middle ends of the two-sided grooves 35 are on the same vertical line with the middle end of the ladder groove 47, the lower mold core 48 is in the center of the ladder groove 47, the middle end of the lower mold core 48 is on the same vertical line with the middle end of the upper mold core 36, the guide column 43 slides in the inner side of the cylindrical sliding port 46, the lower mold plate 41 is provided with a receiving groove close to the inner side of the buffer spring 44, the middle ends of the two-sided grooves 35 and the ladder groove 47 are aligned, and the center design of the lower mold core 48 ensures the symmetry and balance after the mold is replaced. The sliding of the guide column 43 in the inner side of the cylindrical sliding port 46 may help to accurately position the mold, and at the same time, it plays a buffering role when the second mounting block 45 and the internal device move.
[0036] Work flow: The upper mold core 36 and the lower mold core 48 are quickly replaced, and when the correction time is needed, the lower mold core 48 is replaced, the lower end of the multi-stage electric telescopic rod 1 drives the lower mold plate 41 to move backward, when the second mounting block 45 protrudes from the rear end of the block 25, the second mounting block 45 is provided with a through hole at the lower end, the lower end of the second mounting block 45 is pushed upward through the through hole, when the lower mold core 48 moves out of the internal ladder groove 47, the lower part of the lower mold core 48 has a certain curvature, which is convenient for replacing the lower mold core 48, the size of the ladder groove 47 and the upper end of the lower mold core 48 is larger, which is convenient for the ladder groove 47 to weigh the lower mold core 48, the top of the replaced lower mold core 48 has a certain distance from the top of the second mounting block 45, after the replacement is completed, the multi-stage electric telescopic rod 1 drives the lower mold plate 41 to be stored in the block 25, the multi-stage electric telescopic rod 1 accurately controls the distance of the forward movement of the lower mold assembly 4, so that the terminal of the ladder groove 47 is aligned with the middle end of the pressing groove 26, the multi-stage electric telescopic rod 1 at the upper end drives the upper mold plate 31 to move backward, when the first mounting block 34 completely protrudes from the rear end of the block 25, the upper mold core 36 is pushed upward from the inside of the double-sided groove 35, the upper mold core 36 moves out of the first mounting block 34, the lower end of the upper mold core 36 is provided with a certain curvature, which is convenient for installing the upper mold core 36, and according to the shape of the double-sided groove 35 and the upper mold core 36, the upper mold core 36 is supported, the bottom of the replaced upper mold core 36 is stored in the upper core groove 32, the upper mold plate 31 is reset by the vertical plate 28, the push block 24, the lower mold core 48 and the upper mold core 36 are aligned, the lower mold core 48 is injected by the injection pipe 5, the injection pipe 5 is between the upper mold assembly 3 and the lower mold assembly 4, the left side of the injection pipe 5 is away from the right side of the first mounting block 34, after the injection is completed, the hydraulic rod 23 drives the push block 24 to move, the push block 24 drives the first mounting block 34 and the upper mold core 36 to move downward, the first mounting block 34 drives the spring telescopic rod 33 to be elastically stretched, when the first mounting block 34 moves, the guide column 43 slides in the guide hole 37, after the polishing, the top of the guide column 43 contacts with the baffle 38, at this time, the bottom of the first mounting block 34 is attached to the top of the second mounting block 45, the lower end of the upper mold core 36 is in the ladder groove 47, the upper mold core 36 drives the lower mold core 48 and the second mounting block 45 to move downward by a small distance, which plays a buffering role, the second mounting block 45 contacts with the lower mold plate 41, the injection of the workpiece is completed, the device has high efficiency in replacing the upper mold core 36 and the second mounting block 45, and the replaced upper mold core 36 and the second mounting block 45 do not need to be corrected, which ensures the injection efficiency and precision.
[0037] 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 these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high-precision lightweight injection mold, comprising a multi-stage electric telescopic rod (1) and a mold shell assembly (2), characterized in that: The multistage electric telescopic rod (1) is fixedly connected with a mold shell assembly (2) on one side, the mold shell assembly (2) is slidably connected with an upper mold assembly (3) on the inner side, the mold shell assembly (2) is slidably connected with a lower mold assembly (4) on the inner side, the upper mold assembly (3) comprises an upper mold plate (31), an upper core groove (32) is formed in the inner side of the upper mold plate (31), a spring telescopic rod (33) is fixedly connected to the inner side of the upper core groove (32) formed in the upper mold plate (31), a first mounting block (34) is fixedly connected to the bottom end of the spring telescopic rod (33), double-sided grooves (35) are formed in the inner side of the first mounting block (34), the outer side of an upper mold core (36) is attached to the inner side of the double-sided grooves (35) formed in the first mounting block (34), a guide opening (37) is formed in the inner side of the first mounting block (34), a baffle (38) is fixedly connected to the inner side of the guide opening (37) formed in the first mounting block (34), the lower mold assembly (4) comprises a lower mold plate (41), a buffer groove (42) is formed in the inner side of the lower mold plate (41), a guide column (43) is fixedly connected to the inner side of the buffer groove (42) formed in the lower mold plate (41), a buffer spring (44) is fixedly connected to the inner side of the lower mold plate (41), a second mounting block (45) is fixedly connected to the top end of the buffer spring (44), a cylindrical sliding opening (46) is formed in the inner side of the second mounting block (45), a ladder groove (47) is formed in the inner side of the second mounting block (45), the outer side of a lower mold core (48) is attached to the inner side of the ladder groove (47) formed in the second mounting block (45).
2. The high-precision lightweight injection mold according to claim 1, characterized in that: The mold shell assembly (2) comprises a base (21), the top end of the base (21) is fixedly connected with a rack (22), the top end of the rack (22) is fixedly connected with a hydraulic rod (23), the bottom end of the hydraulic rod (23) is fixedly connected with a pushing block (24), the top end of the base (21) is fixedly connected with a package block (25), a pressing groove (26) is formed in the inner side of the package block (25), a limiting square groove (27) is formed in the inner side of the package block (25), the front end of the base (21) is fixedly connected with a vertical plate (28), the inside of the package block (25) is fixedly connected with an injection molding pipe (5).
3. The high-precision lightweight injection mold according to claim 2, characterized in that: The inner side of the vertical plate (28) close to the multistage electric telescopic rod (1) is provided with a through hole, the number of the multistage electric telescopic rod (1) is two, the front end of the upper mold assembly (3) and the front end of the lower mold assembly (4) are fixedly connected with the multistage electric telescopic rod (1), the inner side of the rack (22) close to the hydraulic rod (23) is provided with a through hole, the middle end of the pushing block (24) and the middle end of the pressing groove (26) are on the same vertical line.
4. The high-precision lightweight injection mold of claim 3, wherein: The inner side of the pressing groove (26) vertically penetrates the package block (25), the inner side of the limiting square groove (27) horizontally penetrates the package block (25), the pressing groove (26) and the limiting square groove (27) are cross-communicated, the number of the limiting square groove (27) is two, the outer side of the upper mold plate (31) is slidably connected to the inner side of the upper end limiting square groove (27), the lower mold plate (41) is slidably connected to the inner side of the lower end limiting square groove (27).
5. The high-precision lightweight injection mold of claim 1, wherein: The upper core groove (32) vertically penetrates the inner side of the upper mold plate (31), a support is mounted on the inner side of the upper core groove (32), the number of the spring telescopic rods (33) is four, the spring telescopic rods (33) are fixed on the upper ends of four corners of the first placing block (34), and the spring telescopic rods (33) are staggered with the baffle (38).
6. The high-precision lightweight injection mold of claim 1, wherein: The double-sided groove (35) is a rectangular body with different sizes at two ends, vertically penetrates the inside of the first placing block (34), the upper mold core (36) is provided with the same shape as the double-sided groove (35) at the upper end, the lower end of the upper mold core (36) protrudes the bottom end of the first placing block (34), the number of the guide ports (37) is same as that of the guide columns (43), and the guide ports (37) are on the same vertical line with the guide columns (43).
7. The high-precision lightweight injection mold of claim 1, wherein: The middle end of the double-sided groove (35) is on the same vertical line with the middle end of the ladder groove (47), the lower mold core (48) is in the center of the ladder groove (47), the middle end of the lower mold core (48) is on the same vertical line with the middle end of the upper mold core (36), the guide columns (43) slide on the inside of the cylindrical sliding port (46), and the lower mold plate (41) is provided with a receiving groove on the inner side close to the buffer spring (44).