Hollow thin-wall cavity structure of light-weight injection molding part

Abstract

The utility model discloses a kind of hollow thin-walled cavity structures of lightweight injection molding, including shell mechanism and tightening mechanism, the shell mechanism includes shell body one, shell body two being arranged in the shell body one side, and the thin plate being fixedly connected with the shell body one, the thin plate is movably inserted with shell body two, tightening mechanism, the tightening mechanism includes multiple fixed line seat respectively connected with the shell body one and shell body two, the tightening rod being detachably connected between two fixed line seats, and the bundle rope being fixedly connected to the inside of the tightening rod.In the utility model, when demolding, first, rotate the abutting member, make rubber pad separate from clamping groove, then bundle rope relax, multiple tightening rods elongate, shell body two and shell body one separate, then, the rod body on shell body two is separated from fixed line seat and shell body two is removed, so that most areas of injection molding are fully exposed, finally, pull injection molding outward, make it separate from shell body one, thus complete demolding, make demolding more easily.

Description

Technical Field

[0001] This utility model relates to the technical field of hollow thin-walled cavity structure, specifically a lightweight hollow thin-walled cavity structure for injection molded parts. Background Technology

[0002] Currently, the manufacturing process of automobiles requires a variety of automotive parts, some of which are made of plastic. Therefore, injection molds are used for mass production during the manufacturing process.

[0003] In the production of lightweight injection molded parts, molds are of paramount importance. Traditional molds typically employ a one-piece design, which, while ensuring the molding quality of the injection molded parts, also makes it difficult to remove them directly during demolding, thus limiting production efficiency. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A lightweight injection-molded hollow thin-walled cavity structure includes an outer shell mechanism and a tightening mechanism. The outer shell mechanism includes a first shell body, a second shell body disposed on one side of the first shell body, and a thin plate fixedly connected to the first shell body. The thin plate is movably inserted into the second shell body. The tightening mechanism includes a plurality of wire fixing seats respectively connected to the first shell body and the second shell body, a tightening rod detachably connected between two wire fixing seats, a rope fixed to the inner side of the tightening rod, a rope loop movably sleeved on the outer side of the rope loop and connected to the first shell body, a retaining member fitted to the inner side of the rope loop, and a pressure plate movably fastened to the top of the retaining member and connected to the rope loop.

[0007] By adopting the above technical solution, during demolding, the clamping part is first rotated to disengage the rubber pad from the slot. Then, the rope is loosened, and multiple tightening rods extend, separating shell body two from shell body one. Next, the rods on shell body two are separated from the wire fixing seat and shell body two is removed, so that most of the injection molded part is fully exposed. Finally, the injection molded part is pulled outward to separate it from shell body one, thereby completing the demolding and making demolding easier.

[0008] In a preferred embodiment, the present invention can be further configured as follows: multiple wire fixing bases are arranged in groups of two, forming four groups, with the four groups of wire fixing bases respectively located at the top and bottom of the housing body one, and two wire fixing bases in each group being fixedly connected to the outer walls of the housing body one and the housing body two respectively.

[0009] In a preferred embodiment, the present invention can be further configured such that: the wire fixing base is composed of a rectangular block and a surrounding ring, the surrounding ring is fixed to the outside of the rectangular block, and the rectangular block is provided with a slot.

[0010] In a preferred embodiment, the present invention can be further configured such that: the tightening rod consists of two rods and a reinforcing bar, the two rods are respectively fixed to both ends of the reinforcing bar, and the rods are movably engaged with the slot.

[0011] In a preferred embodiment, the present invention can be further configured such that the binding rope is shaped like a "Z" and is made of multiple steel wires bundled together.

[0012] In a preferred embodiment, the present invention can be further configured such that: the clamping member is composed of a rotating block and a rubber pad, the rubber pad is fixed to the bottom of the rotating block, and a slot suitable for the rubber pad to be engaged is provided on one side of the housing.

[0013] In a preferred embodiment, the present invention can be further configured such that: the top and bottom of the first shell and the top and bottom of the second shell are all fixedly connected with reinforcing ribs, and the thickness of the reinforcing ribs is set to 0.3cm.

[0014] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0015] 1. In this utility model, during demolding, the clamping part is first rotated to disengage the rubber pad from the slot, then the rope is loosened, multiple tightening rods extend, and the second shell separates from the first shell. Next, the rods on the second shell are separated from the wire fixing seat and the second shell is removed, so that most of the injection molded part is fully exposed. Finally, the injection molded part is pulled outward to separate it from the first shell, thereby completing the demolding and making demolding easier.

[0016] 2. In this utility model, the rubber pad is engaged with the slot, the cable is tightened, and the cable pulls each tightening rod, so that multiple tightening rods work together to tighten shell body one and shell body two, which are used together for injection molding. Attached Figure Description

[0017] Figure 1 This is a perspective view of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the outer shell mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the tightening mechanism of this utility model.

[0020] Figure 4 This is a perspective view of the wire fixing base of this utility model;

[0021] Figure 5 This is a perspective view of the tensioning rod of this utility model;

[0022] Figure 6 This is a perspective view of the clamping component of this utility model.

[0023] Figure label:

[0024] 100. Outer shell structure; 110. Shell body one; 120. Shell body two; 130. Thin plate;

[0025] 200. Tightening mechanism; 210. Cable holder; 211. Rectangular block; 212. Encircling ring; 213. Slot; 220. Tightening rod; 221. Rod body; 222. Reinforcing bar; 230. Cable tie; 240. Rope loop; 250. Anchoring element; 251. Rotating block; 252. Rubber pad; 260. Pressure plate;

[0026] 300. Reinforcing ribs. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0028] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0029] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a lightweight hollow thin-walled cavity structure for injection molded parts.

[0030] Example 1:

[0031] Combination Figure 1-6 As shown, the present invention provides a lightweight injection molded part hollow thin-walled cavity structure, including an outer shell mechanism 100 and a tightening mechanism 200. The outer shell mechanism 100 includes a first shell body 110, a second shell body 120 disposed on one side of the first shell body 110, and a thin plate 130 fixedly connected to the first shell body 110. The thin plate 130 is movably inserted into the second shell body 120.

[0032] The tightening mechanism 200 includes a plurality of cable holders 210 respectively connected to the first housing 110 and the second housing 120, a tightening rod 220 detachably connected between two cable holders 210, a cable tie 230 fixed to the inner side of the tightening rod 220, a rope loop 240 movably sleeved on the outer side of the rope tie 230 and connected to the first housing 110, a retaining member 250 fitted to the inner side of the rope tie 230, and a pressure plate 260 movably fastened to the top of the retaining member 250 and connected to the rope loop 240.

[0033] Furthermore, the multiple wire fasteners 210 are arranged in groups of two, forming four groups. The four groups of wire fasteners 210 are respectively located at the top and bottom of the first shell 110. Two wire fasteners 210 in each group are respectively fixed to the outer walls of the first shell 110 and the second shell 120. The layout design of the wire fasteners 210 provides conditions for the tightening rod 220 to tighten the first shell 110 and the second shell 120.

[0034] Furthermore, the wire fixing base 210 is composed of a rectangular block 211 and a surrounding ring 212. The surrounding ring 212 is fixed to the outside of the rectangular block 211. The rectangular block 211 is provided with a slot 213. The structural design of the wire fixing base 210 can make the connection between the wire fixing base 210 and the housing 110 / housing 120 more secure.

[0035] Furthermore, the tightening rod 220 is composed of two rods 221 and a reinforcing bar 222. The two rods 221 are respectively fixed to both ends of the reinforcing bar 222. The rods 221 are movably engaged with the slots 213. The shape design of the tightening rod 220 allows it to be flexibly engaged with the wire fixing seat 210.

[0036] Furthermore, the clamping member 250 is composed of a rotating block 251 and a rubber pad 252. The rubber pad 252 is fixed to the bottom of the rotating block 251. The shell body 110 is provided with a slot suitable for the rubber pad 252 to be engaged. The structural design of the clamping member 250 enables the rubber pad 252 to firmly support the rope 230 after it is engaged with the slot.

[0037] Example 2:

[0038] Combination Figure 1 , 3 and Figure 5 As shown, based on Embodiment 1, the binding rope 230 is configured in a U-shape. The binding rope 230 is made of multiple steel wires bundled together. The structural design of the binding rope 230 can reduce the probability of the binding rope 230 breaking and ensure the service life of the binding rope 230.

[0039] Example 3:

[0040] Combination Figure 1 As shown, in the above embodiment, the top and bottom of the shell body 110 and the top and bottom of the shell body 2 120 are all fixedly connected with reinforcing ribs 300. The thickness of the reinforcing ribs 300 is set to 0.3cm. The reinforcing ribs 300 can strengthen the shell body 110 and the shell body 2 120, ensure the hardness of the shell body 110 and the shell body 2 120, and make them less prone to deformation.

[0041] The working principle and usage process of this utility model are as follows: In the initial state, the rubber pad 252 is engaged with the slot, the cable 230 is tightened, and the cable 230 tightens each tightening rod 220, so that multiple tightening rods 220 work together to tighten shell body one 110 and shell body two 120, which are used for injection molding. When demolding, firstly rotate the clamping part 250 to make the rubber pad 252 disengage from the slot, then the cable 230 is relaxed, multiple tightening rods 220 are extended, and shell body two 120 is separated from shell body one 110. Next, the rod 221 on shell body two 120 is separated from the fixing seat 210 and shell body two 120 is removed, so that most of the injection molded part is fully exposed. Finally, the injection molded part is pulled outward to separate it from shell body one 110, thus completing the demolding.

[0042] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lightweight injection-molded part hollow thin-walled cavity structure, characterized in that, include: The outer shell mechanism (100) includes a first shell body (110), a second shell body (120) disposed on one side of the first shell body (110), and a thin plate (130) fixedly connected to the first shell body (110), wherein the thin plate (130) is movably inserted into the second shell body (120). The tightening mechanism (200) includes a plurality of wire fasteners (210) respectively connected to the first housing (110) and the second housing (120), a tightening rod (220) detachably connected between the two wire fasteners (210), a rope (230) fixed to the inside of the tightening rod (220), a rope loop (240) movably sleeved on the outside of the rope loop (230) and connected to the first housing (110), a retaining member (250) fitted to the inside of the rope loop (230), and a pressure plate (260) movably fastened to the top of the retaining member (250) and connected to the rope loop (240).

2. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 1, characterized in that, Multiple wire fasteners (210) are arranged in groups of two, forming four groups. The four groups of wire fasteners (210) are respectively located at the top and bottom of the first shell (110). Two wire fasteners (210) in each group are respectively fixed to the outer walls of the first shell (110) and the second shell (120).

3. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 1, characterized in that, The wire fixing base (210) is composed of a rectangular block (211) and a surrounding ring (212). The surrounding ring (212) is fixed to the outside of the rectangular block (211), and a slot (213) is provided on the rectangular block (211).

4. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 3, characterized in that, The tightening rod (220) consists of two rods (221) and a steel bar (222). The two rods (221) are fixed to both ends of the steel bar (222), and the rods (221) are movably engaged with the slot (213).

5. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 1, characterized in that, The binding rope (230) is configured in a Z-shape and is made of multiple steel wires bundled together.

6. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 1, characterized in that, The clamping member (250) is composed of a rotating block (251) and a rubber pad (252). The rubber pad (252) is fixed to the bottom of the rotating block (251). The housing (110) is provided with a slot suitable for the rubber pad (252) to be engaged.

7. The lightweight injection-molded part hollow thin-walled cavity structure according to claim 1, characterized in that, The top and bottom of shell body one (110) and the top and bottom of shell body two (120) are all fixed with reinforcing ribs (300), and the thickness of the reinforcing ribs (300) is set to 0.3cm.

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