Nozzle protection device for injection molding machine

Abstract

The utility model relates to the technical field of injection molding machine accessories, in particular to a nozzle protection device for an injection molding machine. Comprising a nozzle body and a protective cover, the nozzle body is fixedly sleeved with a connecting ring, the protective cover is located below the connecting ring, limiting bases are fixedly connected to the two sides of the protective cover, limiting groove bodies are clamped in the limiting bases, T-shaped inserting blocks are arranged on the connecting ring in a penetrating mode, and the T-shaped inserting blocks are connected with the limiting groove bodies in an inserted mode. The technical problem to be solved by the utility model is that the injection molding nozzle lacks convenient and safe protection measures after shutdown.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine accessory technical field especially, it relates to a nozzle protection device for injection molding machine. BACKGROUND

[0002] Injection molding process needs to heat solid plastic particles to melt state first, then under high pressure through the nozzle of injection molding machine and inject into the pre-designed mold cavity. Through injection molding process, various shape complex plastic products can be produced, with the progress of material science and mold technology, injection molding technology is also developing and perfecting, gradually realizing efficient, automated batch production.

[0003] Injection molding nozzle is usually lack of convenient, safe protection measures after work, very easy to be polluted by dust, impurities and other particulate matters in the outside world, influence nozzle cleanliness, influence product quality in next production process, cause product surface to have color difference, bubble, particle and so on. Meanwhile, it will improve the risk of injection molding nozzle blockage, serious will cause injection molding machine to stop, influence production efficiency. SUMMARY

[0004] The utility model solves the technical problem that injection molding nozzle after shutdown lacks convenient, safe protection measures.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme that a nozzle protection device for injection molding machine, including nozzle main part and protection cover, the nozzle main part fixedly covers and is equipped with connecting ring, the protection cover is located below connecting ring, both sides of protection cover are fixedly connected with limit seat, the limit seat is connected with limit slot body in the clamping, the connecting ring is equipped with T-shaped plug-in block, T-shaped plug-in block is inserted with limit slot body.

[0006] As the further improvement of the utility model, the inner wall of the protection cover is tightly combined with the discharging end of the nozzle main body.

[0007] As the further improvement of the utility model, the bottom end of the protection cover is fixedly connected with the dust filter screen.

[0008] As the further improvement of the utility model, the limit slot body is penetrated and is equipped with the insertion slot for the insertion of T-shaped plug-in block, one end of the limit slot body is fixedly connected with the finger buckle handle.

[0009] As the further improvement of the utility model, the limit slot body is fixedly connected with the clamping block away from the finger buckle handle, the limit seat is equipped with the clamping seat matched with the clamping block in the inside, and the clamping seat is fixedly connected with the protection cover.

[0010] As a further improvement of the utility model, the inner walls on both sides of the limiting seat are provided with guiding sliding grooves, and guiding sliding blocks matched with the guiding sliding grooves are fixedly connected to both sides of the limiting groove body.

[0011] The utility model discloses the beneficial effect has: (1) the protective cover is set to the material conveying end of nozzle main part, and the dust screen is equipped at the bottom of protective cover, can provide effective heat dissipation and ventilation effect for the nozzle main part after shutdown, can prevent dust, solid particles in the external environment from flying into the material conveying cavity of nozzle, avoids the blocking phenomenon.

[0012] (2) simultaneously, through being equipped with T-shaped plug-in block, limiting groove body and limiting seat, make limiting groove body slide into the limiting seat, and then pass through the T-shaped plug-in block of through -connection ring and insert the limiting groove body, can provide effective and reliable fixed limiting effect between protective cover and nozzle main part, convenient operation, stable structure, convenient and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall schematic diagram of the utility model discloses a nozzle protection device for injection molding machine;

[0014] Figure 2 It is the component disassembly drawing of the utility model discloses a nozzle protection device for injection molding machine;

[0015] Figure 3 It is the local component of the utility model discloses a nozzle protection device for injection molding machine Figure 1 ;

[0016] Figure 4 It is the local component of the utility model discloses a nozzle protection device for injection molding machine Figure 2 .

[0017] As shown in the figure: 1, nozzle main part;2, protective cover;3, connecting ring;4, limiting seat;5, limiting groove body;6, T-shaped plug-in block;7, dust screen;8, slot;9, finger buckle handle;10, clamping block;11, clamping seat;12, guiding sliding groove;13, guiding sliding block. DETAILED DESCRIPTION

[0018] In the present specification, the orientation terms such as up, down, left, right, front, back, front face, back face, top, bottom, etc. mentioned or possibly mentioned are defined relative to its structure, and they are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0019] As used in this specification and claims, the singular forms“a,”“an” and“the” include plural referents unless the context clearly dictates otherwise. It should also be understood that the term“and / or” as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and not used to limit the present application.

[0021] The utility model provides a nozzle protection device for injection molding machine as shown in the figure Figures 1-4 The utility model discloses a nozzle protection device for injection molding machine, including nozzle main part 1 and protection cover 2, nozzle main part 1 top fixedly connected with the threaded seat, nozzle main part 1 is fastened with the bolt and is connected with the material conveying end, nozzle main part 1 fixedly covers and is equipped with connecting ring 3, protection cover 2 is located below connecting ring 3, both sides of protection cover 2 are fixedly connected with the limiting seat 4, the limiting groove body 5 is clamped in the limiting seat 4, connecting ring 3 is equipped with T-shaped plug 6, and T-shaped plug 6 is inserted with the limiting groove body 5.

[0022] As shown in the figure Figure 1 , the inner wall of protection cover 2 is tightly attached to the discharging end of nozzle main part 1; the bottom end of protection cover 2 is fixedly connected with a dust filter screen 7; by providing protection cover 2 at the bottom end of nozzle main part 1, and fixing the dust filter screen 7 at the bottom end of protection cover 2, dust and impurities in the external environment can be effectively prevented from flying into the material conveying cavity of nozzle main part 1.

[0023] As shown in the figure Figure 3 , 4 , the limiting groove body 5 is provided with a plug slot 8 for inserting T-shaped plug 6, one end of limiting groove body 5 is fixedly connected with a finger buckle handle 9; the end of limiting groove body 5 away from finger buckle handle 9 is fixedly connected with a clamping block 10, the inside of limiting seat 4 is provided with a clamping seat 11 matched with clamping block 10, clamping seat 11 is fixedly connected with protection cover 2; by limiting seat 4, limiting groove body 5 and T-shaped plug 6, protection cover 2 is fastened with nozzle main part 1, reliable limiting effect is obtained, at the same time, assembly and disassembly are convenient, and subsequent assembly and disassembly operation is facilitated. The inside walls of both sides of limiting seat 4 are provided with guide sliding grooves 12, both sides of limiting groove body 5 are fixedly connected with guide sliding blocks 13 matched with guide sliding grooves 12; the provided guide sliding grooves 12 and guide sliding blocks 13 provide good guiding effect for the movement of limiting groove body 5.

[0024] Working principle: the utility model discloses in the specific implementation, when injection nozzle stops work, to prevent the dust particle in the material conveying cavity from being contaminated, first, the protective cover 2 and the material conveying end of nozzle main body 1 are mutually attached, under the guidance of guide sliding slot 12 and guide sliding block 13, the limiting seat 4 of both sides of protective cover 2 is respectively slid into limiting groove body 5, limiting groove body 5 and limiting seat 4 are mutually clamped by clamping block 10 and clamping seat 11.Adjust the angle of protective cover 2 to ensure that the T-shaped plug block 6 arranged on both sides of connecting ring 3 can be inserted into the insertion slot 8 of limiting groove body 5, then the T-shaped plug block 6 is inserted with limiting groove body 5, finally protective cover 2 and nozzle main body 1 are tightly connected.When protective cover 2 needs to be disassembled, first, the T-shaped plug block in insertion slot 8 is moved out, then the clamping effect of clamping block 10 and clamping seat 11 is removed by pulling the finger buckle handle 9 outward, and then limiting groove body 5 and limiting seat 4 are separated, under the guidance of guide sliding slot 12 and guide sliding block 13, limiting groove body 5 in limiting seat 4 is removed, so that protective cover 2 and nozzle main body 1 can be conveniently disassembled, and the operation is convenient.

[0025] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model embodiments.

Claims

1. A nozzle guard for an injection molding machine comprising a nozzle body (1) and a guard shield (2), characterized in that: The nozzle body (1) is fixedly sleeved with a connecting ring (3), the protective cover (2) is located below the connecting ring (3), the protective cover (2) is fixedly connected with a limiting seat (4) on both sides, the limiting seat (4) is clamped with a limiting groove (5) inside, the connecting ring (3) is provided with a T-shaped plug block (6), and the T-shaped plug block (6) is inserted with the limiting groove (5).

2. A nozzle guard for an injection molding machine as defined in claim 1, wherein: The inner wall of the protective cover (2) is tightly attached to the discharging end of the nozzle body (1).

3. A nozzle guard for an injection molding machine as defined in claim 1, wherein: The bottom end of the protective cover (2) is fixedly connected with a dust filter screen (7).

4. A nozzle guard for an injection molding machine as defined in claim 1, wherein: The limiting groove (5) is provided with a plug groove (8) for inserting the T-shaped plug block (6), and one end of the limiting groove (5) is fixedly connected with a finger buckle handle (9).

5. A nozzle guard for an injection molding machine as defined in claim 4, wherein: One end of the limiting groove (5) away from the finger buckle handle (9) is fixedly connected with a clamping block (10), the limiting seat (4) is provided with a clamping seat (11) matched with the clamping block (10) inside, and the clamping seat (11) is fixedly connected with the protective cover (2).

6. A nozzle guard for an injection molding machine as defined in claim 1, wherein: The inner walls of the limiting seat (4) on both sides are provided with guide sliding grooves (12), and the limiting groove (5) on both sides is fixedly connected with guide sliding blocks (13) matched with the guide sliding grooves (12).

Images