Resin injection molding mechanism
By designing a pressurized resin injection mechanism and utilizing a conveying assembly and a closing assembly coordinated with an oil cylinder and a servo motor, the problem of inaccurate resin delivery is solved, quick and precise control of resin injection is achieved, and the stability and accuracy of injection molding are ensured.
Patent Information
- Application Number
- CN202422671808.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
In existing resin injection molding devices, resin delivery is inaccurate, resulting in unstable injection molding effects.
A resin injection molding mechanism consisting of a first conveying component and a closing component is designed. The precise control of resin delivery is achieved through the cooperation of the cylinder and the servo motor. The resin amount is regulated by the alignment and misalignment of the tapered groove and the sleeve. Combined with the second conveying component and the die assembly, accurate resin injection is achieved.
It achieves the speed and accuracy of resin delivery, ensuring the stability and accuracy of injection molding.
Smart Images

Figure CN223369879U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding and casting, in particular to a resin injection molding mechanism. Background Art
[0002] As people's living standards continue to improve, consumers have higher and higher requirements for the quality and appearance design of various products. Resin injection molding products have good plasticity and precision, which can meet consumers' demand for diversified and personalized products.
[0003] Chinese patent CN218366098U discloses a resin craft injection molding device, which includes a base plate, a vertical plate integral with the base plate, a raw material box, and an injection molding tube embedded in the lower surface of the raw material box. The surface of the vertical plate is provided with a lifting mechanism for lifting the raw material box. The interior of the raw material box is provided with an automatic temperature control mechanism, and the interior of the injection molding tube is provided with a conveying mechanism. However, this device still has the following problems:
[0004] The device delivers resin through a delivery mechanism, and the amount of resin delivered for injection molding is inaccurate, resulting in unstable final injection molding effects.
[0005] Based on this, the utility model designs a resin injection molding mechanism to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a resin injection molding mechanism.
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] Pressurized resin injection molding mechanism, including base,
[0009] The rear side of the upper end of the base is fixedly connected to a stand, and a funnel cylinder for placing resin is fixedly connected to the inner side of the stand; a conveying mechanism for conveying resin is provided on the lower side of the stand; an injection molding mechanism for injection molding is provided on the front side of the conveying mechanism;
[0010] The conveying mechanism includes a first conveying component and a closing component. The first conveying component for conveying resin to the injection molding mechanism is arranged on the lower side of the stand; the closing component for cooperating with the first conveying component to interrupt the resin conveying is arranged on the rear side of the stand.
[0011] Furthermore, the first conveying assembly includes a bracket, a first oil cylinder, an injection main block, a second oil cylinder and a first piston, and the first oil cylinder is fixedly connected to the upper end of the vertical frame; the lower end of the funnel cylinder is provided with an injection main block, the injection main block is fixedly connected to the upper end of the base, and the upper end of the injection main block is provided with a conical groove for discharging, and the conical groove is in contact with the lower end of the funnel cylinder; the bracket is fixedly connected to the lower side of the rear end of the vertical frame; the second oil cylinder is fixedly connected to the rear end of the bracket; the output end of the second oil cylinder is fixedly connected to a piston 1 for pushing the conveying resin; the output end of the first oil cylinder is fixedly connected to a conical block for pressing down the resin.
[0012] Furthermore, the closing assembly includes a servo motor, a driving wheel, a synchronous belt, a driven wheel, a sleeve, an injection cylinder body and a fixed plate for resin transfer and temporary storage, the fixed plate is fixedly connected to the upper end of the bracket; the servo motor is fixedly connected to the rear end of the fixed plate; the output end of the servo motor is fixedly connected to the driving wheel, and a driven wheel is provided on the lower side of the driving wheel, and the driven wheel is rotatably connected to the fixed plate; the driving wheel is connected to the driven wheel through a synchronous belt; a sleeve is provided on the inner side of the injection main block, and the rear end of the sleeve is fixedly connected to the driven wheel; the upper end of the base is fixedly connected to the injection cylinder body, and the front end of the sleeve is rotatably connected to the injection cylinder body; piston 1 is slidably connected to the sleeve.
[0013] Furthermore, a through groove is provided at the upper end of the sleeve, and the through groove is aligned with the discharge port of the tapered groove at the upper end of the main injection block.
[0014] Furthermore, the injection molding mechanism includes a second conveying assembly and a die assembly. The second conveying assembly for conveying resin to the die assembly is arranged at both ends of the shooting cylinder; the die assembly for injection molding is arranged at the upper end of the base.
[0015] Furthermore, the second conveying assembly includes a vertical plate, cylinder 1, a connecting block, an injection gate cylinder body for resin transfer and temporary storage, cylinder 2 and a nozzle, the vertical plate is fixedly connected to the rear side of the upper end of the base in a symmetrical manner on the left and right; cylinder 1 is fixedly connected to the rear end of the vertical plate; the output end of cylinder 1 is fixedly connected to the connecting block, a slide rail is provided on the lower side of the connecting block, the base is fixedly connected to the slide rail, and the connecting block is fixedly connected to the slider of the slide rail; the upper end of the connecting block is fixedly connected to the injection gate cylinder body; the rear end of the injection gate cylinder body is fixedly connected to cylinder 2; the front end of the injection gate cylinder body is fixedly connected to a nozzle for injection molding; the output end of cylinder 2 is fixedly connected to piston 2 for pushing resin, and piston 2 is slidably connected to the injection gate cylinder body.
[0016] Furthermore, the shooting cylinder is connected to the shooting gate cylinder through a U-shaped tube.
[0017] Furthermore, the die assembly includes a support frame, a third oil cylinder, an upper die and a lower die. The support frame is fixedly connected to the front side of the upper end of the base, and the third oil cylinder is fixedly connected to the upper end of the support frame symmetrically on the left and right; the output end of the third oil cylinder is provided with an upper die for injection molding; the upper end of the base is fixedly connected symmetrically on the left and right to cooperate with the upper die.
[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. The resin is transported by the first transport component, and the resin is injected through the injection molding mechanism, which is convenient and fast; when the resin does not need to be transported, the resin transport is stopped by cooperating with the first transport component to achieve the regulation of the resin transport;
[0019] 2. The resin is transported by the cooperation of oil cylinder 1 and oil cylinder 2, and the amount of resin pushed each time is accurately controlled. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.
[0021] Figure 1 The three-dimensional structure of the resin injection molding mechanism of the utility model Figure 1 ;
[0022] Figure 2 This is a front view of the resin injection molding mechanism of the present invention;
[0023] Figure 3 The three-dimensional structure of the resin injection molding mechanism of the utility model Figure 2 ;
[0024] Figure 4 for Figure 3 Enlarged view of point B in the middle;
[0025] Figure 5 The three-dimensional structure of the resin injection molding mechanism of the utility model Figure 3 ;
[0026] Figure 6 To follow Figure 2 AA three-dimensional image with part of the image removed.
[0027] The numbers in the figure represent: 10, base; 11, stand; 12, funnel cylinder; 2, conveying mechanism; 21, first conveying assembly; 211, bracket; 212, cylinder one; 213, injection main block; 214, cylinder two; 215, piston one; 22, closing assembly; 221, servo motor; 222, driving wheel; 223, synchronous belt; 224, driven wheel; 225, sleeve; 226, injection cylinder body; 227, fixed plate; 3, injection molding mechanism; 31, second conveying assembly; 311, stand; 312, cylinder one; 313, connecting block; 314, injection gate cylinder body; 315, cylinder two; 316, nozzle; 317, piston two; 32, die assembly; 321, support frame; 322, cylinder three; 323, upper mold; 324, lower mold. DETAILED DESCRIPTION
[0028] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0029] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.
[0030] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-6 , a resin injection molding mechanism, including a base 10,
[0031] The upper rear side of the base 10 is fixedly connected to a stand 11, and a funnel cylinder 12 for placing resin is fixedly connected to the inner side of the stand 11; a conveying mechanism 2 for conveying resin is provided on the lower side of the stand 11; an injection molding mechanism 3 for injection molding is provided on the front side of the conveying mechanism 2;
[0032] The conveying mechanism 2 includes a first conveying component 21 and a closing component 22. The first conveying component 21 for conveying resin to the injection molding mechanism 3 is arranged on the lower side of the stand 11; the closing component 22 for cooperating with the first conveying component 21 to interrupt the resin conveying is arranged on the rear side of the stand 11.
[0033] In the present invention, the resin is transported by the first transport component 21 and the resin is injected through the injection molding mechanism 3, which is convenient and fast. When the resin does not need to be transported, the resin transport is stopped by cooperating with the first transport component 21 through the closing component 22 to realize the regulation of the resin transport.
[0034] The first conveying assembly 21 includes a bracket 211, a cylinder 1 212, an injection main block 213, a cylinder 2 214 and a piston 1 215. The cylinder 1 212 is fixedly connected to the upper end of the stand 11; the lower end of the funnel cylinder 12 is provided with an injection main block 213, and the injection main block 213 is fixedly connected to the upper end of the base 10. The upper end of the injection main block 213 is provided with a conical groove for discharging, and the conical groove is in contact with the lower end of the funnel cylinder 12; the bracket 211 is fixedly connected to the lower side of the rear end of the stand 11; the cylinder 2 214 is fixedly connected to the rear end of the bracket 211; the output end of the cylinder 214 is fixedly connected to the piston 1 215 for pushing and conveying resin; the output end of the cylinder 1 212 is fixedly connected to a conical block for pressing down the resin;
[0035] The closing assembly 22 includes a servo motor 221, a driving wheel 222, a synchronous belt 223, a driven wheel 224, a sleeve 225, an injection cylinder 226 for resin transfer and temporary storage, and a fixed plate 227. The fixed plate 227 is fixedly connected to the upper end of the bracket 211; the servo motor 221 is fixedly connected to the rear end of the fixed plate 227; the output end of the servo motor 221 is fixedly connected to the driving wheel 222, and the driven wheel 224 is provided on the lower side of the driving wheel 222, and the driven wheel 224 is connected to the fixed plate. 227 is rotatably connected; the driving wheel 222 is transmission-connected to the driven wheel 224 through a synchronous belt 223; a sleeve 225 is provided on the inner side of the main injection block 213, the rear end of the sleeve 225 is fixedly connected to the driven wheel 224, and a through groove is provided on the upper end of the sleeve 225, which is aligned with the discharge port of the tapered groove at the upper end of the main injection block 213; the upper end of the base 10 is fixedly connected to the injection cylinder body 226, and the front end of the sleeve 225 is rotatably connected to the injection cylinder body 226; the piston 215 is slidably connected to the sleeve 225.
[0036] In the present utility model, the output end of the oil cylinder 1 212 presses the resin downward through the conical block, and the resin inside the funnel cylinder 12 flows through the conical groove of the injection main block 213 and the through groove at the upper end of the sleeve 225 into the inner side of the sleeve 225; the output end of the oil cylinder 214 pushes the piston 1 215 to drive the resin into the inner side of the injection cylinder body 226, thereby realizing the transportation of the resin; when the resin does not need to be transported, the output end of the servo motor 221 drives the driving wheel 222 to rotate through the synchronous belt 223, and the driven wheel 224 drives the sleeve 225 to rotate, and the through groove at the upper end of the sleeve 225 is misaligned with the discharge port of the conical groove at the upper end of the injection main block 213, and the resin transportation stops, which facilitates the regulation of the resin transportation.
[0037] In the present utility model, the resin is transported by cooperating with the oil cylinder 1 212 and the oil cylinder 2 214, and the amount of resin pushed each time is accurately controlled; the output end of the servo motor 221 drives the driving wheel 222 to rotate through the synchronous belt 223, thereby controlling the misalignment and alignment of the discharge port of the through groove at the upper end of the sleeve 225 and the conical groove at the upper end of the injection main block 213, thereby regulating the resin transport.
[0038] The injection molding mechanism 3 includes a second conveying assembly 31 and a die assembly 32. The second conveying assembly 31 for conveying resin to the die assembly 32 is arranged at both ends of the shooting cylinder 226; the die assembly 32 for performing injection molding is arranged at the upper end of the base 10.
[0039] The second conveying assembly 31 includes a vertical plate 311, a cylinder 1 312, a connecting block 313, a shooting gate cylinder body 314 for resin transfer and temporary storage, a cylinder 2 315, a nozzle 316 and a piston 2 317. The vertical plate 311 is fixedly connected to the rear side of the upper end of the base 10 in a bilaterally symmetrical manner; the cylinder 1 312 is fixedly connected to the rear end of the vertical plate 311; the output end of the cylinder 1 312 is fixedly connected to the connecting block 313, and a slide rail is provided on the lower side of the connecting block 313. The base 10 is fixedly connected to the slide rail. The connecting block 313 is fixedly connected to the slider of the slide rail; the upper end of the connecting block 313 is fixedly connected to the injection gate cylinder body 314, and the injection cylinder body 226 is connected to the injection gate cylinder body 314 through a U-shaped tube; the rear end of the injection gate cylinder body 314 is fixedly connected to the cylinder 2 315; the front end of the injection gate cylinder body 314 is fixedly connected to the nozzle 316 for injection molding; the output end of the cylinder 2 315 is fixedly connected to the piston 2 317 for pushing the resin, and the piston 2 317 is slidably connected to the injection gate cylinder body 314;
[0040] The die assembly 32 includes a support frame 321, a third oil cylinder 322, an upper mold 323 and a lower mold 324. The support frame 321 is fixedly connected to the front side of the upper end of the base 10, and the third oil cylinder 322 is fixedly connected to the upper end of the support frame 321 symmetrically on the left and right; the output end of the third oil cylinder 322 is provided with an upper mold 323 for injection molding; the upper end of the base 10 is fixedly connected to the lower mold 324 that cooperates with the upper mold 323 symmetrically on the left and right.
[0041] In the present invention, the resin flows from the shooting cylinder 226 to the inner side of the shooting gate cylinder 314 through the U-shaped tube. The output end of the cylinder 1 312 pushes the connecting block 313 to move forward along the slide rail through the slider. The connecting block 313 drives the shooting gate cylinder 314 to move forward. The shooting gate cylinder 314 drives the nozzle 316 to move forward and insert into the inner side of the lower mold 324. At this time, the output end of the cylinder 2 315 pushes the piston 2 317 to drive the resin inside the shooting gate cylinder 314 to move forward. The resin flows through the nozzle 316 and finally enters the inner side of the lower mold 324. At the same time, the output end of the oil cylinder 322 drives the upper mold 323 to move downward and fit with the lower mold 324, cooperating with the shooting gate cylinder 314 to achieve injection molding.
[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A resin injection molding mechanism, comprising a base (10), characterized in that: The upper rear side of the base (10) is fixedly connected to a stand (11), and the inner side of the stand (11) is fixedly connected to a funnel cylinder (12) for placing resin; a conveying mechanism (2) for conveying resin is provided on the lower side of the stand (11); and an injection molding mechanism (3) for injection molding is provided on the front side of the conveying mechanism (2); The conveying mechanism (2) comprises a first conveying component (21) and a closing component (22), wherein the first conveying component (21) for conveying resin to the injection molding mechanism (3) is arranged on the lower side of the stand (11); and the closing component (22) for cooperating with the first conveying component (21) to interrupt the resin conveying is arranged on the rear side of the stand (11).
2. The resin injection molding mechanism according to claim 1, characterized in that: The first conveying assembly (21) comprises a bracket (211), a first oil cylinder (212), an ejection main block (213), a second oil cylinder (214) and a first piston (215), wherein the first oil cylinder (212) is fixedly connected to the upper end of the vertical frame (11); the lower end of the funnel cylinder (12) is provided with an ejection main block (213), the ejection main block (213) is fixedly connected to the upper end of the base (10), the upper end of the ejection main block (213) is provided with a conical groove for discharging, and the conical groove is in contact with the lower end of the funnel cylinder (12); the bracket (211) is fixedly connected to the lower side of the rear end of the vertical frame (11); the second oil cylinder (214) is fixedly connected to the rear end of the bracket (211); the output end of the second oil cylinder (214) is fixedly connected to the first piston (215) for pushing and conveying resin; the output end of the first oil cylinder (212) is fixedly connected to the conical block for pressing down the resin.
3. The resin injection molding mechanism according to claim 2, characterized in that: The closing assembly (22) comprises a servo motor (221), a driving wheel (222), a synchronous belt (223), a driven wheel (224), a sleeve (225), an injection cylinder (226) for transferring and temporarily storing resin, and a fixed plate (227), wherein the fixed plate (227) is fixedly connected to the upper end of the bracket (211); the servo motor (221) is fixedly connected to the rear end of the fixed plate (227); the output end of the servo motor (221) is fixedly connected to the driving wheel (222), and the lower side of the driving wheel (222) is provided with a driven wheel. The driving wheel (222) is connected to the driven wheel (224) through a synchronous belt (223); a sleeve (225) is provided on the inner side of the main ejection block (213); a rear end of the sleeve (225) is fixedly connected to the driven wheel (224); an upper end of the base (10) is fixedly connected to an ejection cylinder (226); a front end of the sleeve (225) is connected to the ejection cylinder (226) in rotation; and a piston (215) is connected to the sleeve (225) in a sliding manner.
4. The resin injection molding mechanism according to claim 3, characterized in that: The upper end of the sleeve (225) is provided with a through groove, which is aligned with the discharge port of the tapered groove at the upper end of the injection main block (213).
5. The resin injection molding mechanism according to claim 4, characterized in that: The injection molding mechanism (3) comprises a second conveying assembly (31) and a die assembly (32); the second conveying assembly (31) for conveying resin to the die assembly (32) is arranged at both ends of the injection cylinder (226); and the die assembly (32) for performing injection molding is arranged at the upper end of the base (10).
6. The resin injection molding mechanism according to claim 5, characterized in that: The second conveying assembly (31) includes a vertical plate (311), a cylinder 1 (312), a connecting block (313), a shooting gate cylinder body (314) for resin transfer and temporary storage, a cylinder 2 (315) and a nozzle (316). The vertical plate (311) is fixedly connected to the rear side of the upper end of the base (10) in a bilaterally symmetrical manner; the cylinder 1 (312) is fixedly connected to the rear end of the vertical plate (311); the output end of the cylinder 1 (312) is fixedly connected to the connecting block (313), and a slide rail is provided on the lower side of the connecting block (313). The base (10) is fixedly connected to the slide rail, and the connecting block (313) is fixedly connected to the slider of the slide rail; the upper end of the connecting block (313) is fixedly connected to the injection gate cylinder body (314); the rear end of the injection gate cylinder body (314) is fixedly connected to the second cylinder (315); the front end of the injection gate cylinder body (314) is fixedly connected to the nozzle (316) for injection molding; the output end of the second cylinder (315) is fixedly connected to the second piston (317) for pushing resin, and the second piston (317) is slidably connected to the injection gate cylinder body (314).
7. The resin injection molding mechanism according to claim 6, characterized in that: The shooting cylinder (226) is connected to the shooting gate cylinder (314) through a U-shaped tube.
8. The resin injection molding mechanism according to claim 7, characterized in that: The die assembly (32) comprises a support frame (321), a third oil cylinder (322), an upper die (323) and a lower die (324); the support frame (321) is fixedly connected to the front side of the upper end of the base (10); the third oil cylinder (322) is fixedly connected to the upper end of the support frame (321) in a left-right symmetrical manner; the output end of the third oil cylinder (322) is provided with an upper die (323) for injection molding; and the upper end of the base (10) is fixedly connected in a left-right symmetrical manner to a lower die (324) that cooperates with the upper die (323).
Citation Information
Patent Citations
Injection molding casting device for resin handicrafts
CN218366098U