Connecting structure of hydraulic pipeline of injection molding machine

Abstract

The utility model relates to a connecting structure of a hydraulic pipeline of an injection molding machine, which aims at solving the technical problems that a layer of material is attached to the surface of a current metal connecting pipe, is oil and affects the disassembly of the metal connecting pipe, and comprises a fixed ring and a semi-ring sleeve, the two semi-ring sleeves are connected to the outer side of the fixing ring in a butt joint mode. An annular groove is formed in the outer circle of the outer side of the fixing ring, and the inner ends of the two semi-ring sleeves are matched with the annular groove in a clamped mode. Wherein the inner ends of the semi-ring sleeves are fixedly connected with the fixing ring through screws, the metal connecting pipe is sleeved with the two semi-ring sleeves which are in butt joint, the metal connecting pipe is covered, and oily substances are prevented from being attached to the surface of the metal connecting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine components, and particularly relates to a connection structure of a hydraulic pipeline of an injection molding machine. Background Technique

[0002] An injection molding machine is also known as an injection molding machine or an injection machine. It is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies.

[0003] An injection molding machine is equipped with a hydraulic mechanism, and the hydraulic mechanism is connected with a hydraulic pipeline. A metal adapter is provided at the connection between the hydraulic pipeline and the hydraulic equipment, and the metal adapter is directly exposed to the outside. Due to the relatively large amount of oil at the hydraulic mechanism, a layer of substance will adhere to the surface of the metal adapter, which is relatively oily and affects the disassembly of the metal adapter.

[0004] In view of this, we propose a connection structure of a hydraulic pipeline of an injection molding machine. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, adapt to the actual needs, and provide a connection structure of a hydraulic pipeline of an injection molding machine to solve the technical problem that a layer of substance adheres to the surface of the current metal adapter, which is relatively oily and affects the disassembly of the metal adapter.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a connection structure of a hydraulic pipeline of an injection molding machine, including a fixing ring and a half-ring sleeve;

[0007] Fixing ring;

[0008] Two half-ring sleeves are butt-connected to the outside of the fixing ring;

[0009] Wherein, an annular groove is formed on the outer ring of the outside of the fixing ring, and the inner ends of the two half-ring sleeves are respectively in clamping fit with the annular groove;

[0010] Wherein, the inner end of the half-ring sleeve is fixedly connected to the fixing ring by screws.

[0011] Preferably, two limiting blocks are symmetrically and fixedly arranged on the inner walls of the inner ends of the two half-ring sleeves, two limiting grooves are symmetrically formed at the upper and lower ends of the bottom wall of the annular groove, and the limiting blocks are in insertion fit with the limiting grooves.

[0012] Preferably, sealing components are arranged on the inner walls of the outer ends of the two half-ring sleeves;

[0013] The sealing component includes a half-ring elastic sheet;

[0014] The half-ring elastic sheet is arranged on the inner wall of the outer end of the half-ring sleeve.

[0015] Preferably, the cross section of the semi-ring spring piece is designed to be arc-shaped, and the arched end of the semi-ring spring piece faces inward.

[0016] Preferably, a semi-ring rubber pad is fixedly mounted on the abutting side of the semi-ring spring sheet, and the ends of the semi-ring rubber pads on the inner walls of the outer ends of the two semi-ring sleeves are in contact with each other.

[0017] Preferably, one of the two ends of the semi-ring sleeve is respectively fixed with an inserting strip, on which a rubber ferrule is clamped, and the other two ends of the semi-ring sleeve are respectively provided with a slot, which is plugged into and matched with the inserting strip and the rubber ferrule.

[0018] Preferably, both sides of the rubber ferrule insertion end are respectively configured to be arc-shaped, and the slot is adapted to the rubber ferrule.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model has the advantages of arranging two butted half-rings on the metal pipe by setting a fixing ring, a half-ring and a screw, so as to cover the metal pipe and prevent oily substances from adhering to the surface of the metal pipe, thereby solving the problem that a layer of substances adhering to the surface of the metal pipe, which is relatively oily, affects the disassembly of the metal pipe.

[0021] 2. The utility model has the advantage that, by providing a limit block and an annular groove, when the semi-annular sleeve is installed, the limit block and the annular groove are butt-jointed, and the hole at the inner end of the semi-annular sleeve is screwed into the screw hole on the inner bottom wall of the annular groove accurately correspondingly, making it easy to screw in the screw.

[0022] 3. The utility model has the advantage of supporting the outer end pipe of the metal pipe by arranging the semi-ring spring piece and the semi-ring rubber pad, so that the metal pipe covered by the two semi-ring sleeves is separated from the outside, further protecting the metal pipe from the adhesion of oily substances.

[0023] 4. The utility model has the advantage of sealing the joint after the two half rings are butt-jointed by arranging the inserting strip, the rubber ferrule and the slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the semi-ring connection structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the closed component structure of the utility model;

[0028] Figure 5Schematic diagram of the docking structure of two half-ring sleeves of the present utility model;

[0029] Figure 6 of the present utility model Figure 5 Enlarged schematic diagram at position A;

[0030] In the figure: 1, fixed ring; 2, half-ring sleeve; 3, closing component; 4, screw;

[0031] 101, annular groove; 102, limiting groove;

[0032] 201, limiting block; 202, insertion bar; 203, rubber collar; 204, slot;

[0033] 301, half-ring elastic piece; 302, half-ring rubber pad. Specific embodiments

[0034] The present utility model will be further described below with reference to the accompanying drawings and embodiments:

[0035] Embodiment 1: A connection structure for a hydraulic pipeline of an injection molding machine. Refer to Figures 1 to 3 ,

[0036] It includes a fixed ring 1 and a half-ring sleeve 2; the fixed ring 1 is fixed at the connection port of the hydraulic mechanism of the injection molding machine; two half-ring sleeves 2 are connected in a butt joint on the outer side of the fixed ring 1; wherein, an annular groove 101 is formed on the outer periphery of the outer side of the fixed ring 1, and the inner ends of the two half-ring sleeves 2 are respectively clamped and matched with the annular groove 101; wherein, the inner end of the half-ring sleeve 2 is fixedly connected to the fixed ring 1 through a screw 4, and the screw 4 passes through the hole at the inner end of the half-ring sleeve 2 and is screwed into the screw hole on the inner bottom wall of the annular groove 101 to fix the half-ring sleeve 2 and the fixed ring 1.

[0037] By providing the fixed ring 1, the half-ring sleeve 2 and the screw 4, the present utility model has the advantage of sleeving two butt-jointed half-ring sleeves 2 at the metal pipe joint to cover the metal pipe joint and prevent oily substances from adhering to the surface of the metal pipe joint, and solves the problem that a layer of substances adheres to the surface of the metal pipe joint, which is relatively oily and affects the disassembly of the metal pipe joint.

[0038] Two limiting blocks 201 are symmetrically and fixedly provided on the inner walls of the inner ends of the two half-ring sleeves 2, and two limiting grooves 102 are symmetrically formed at the upper and lower ends of the bottom wall of the annular groove 101, and the limiting blocks 201 are inserted and matched with the limiting grooves 102.

[0039] By providing the limiting block 201 and the annular groove 101, the present utility model has the advantage that when installing the half-ring sleeve 2, through the butt joint of the limiting block 201 and the annular groove 101, the hole at the inner end of the half-ring sleeve 2 is accurately aligned with the screw hole on the inner bottom wall of the annular groove 101, which is convenient for screwing in the screw 4.

[0040] Embodiment 2: A connection structure for a hydraulic pipeline of an injection molding machine. Refer toFigure 4 ;

[0041] The inner walls of the outer ends of the two half ring sleeves 2 are respectively provided with closing components 3;

[0042] The closing component 3 includes a semi-ring spring piece 301; the semi-ring spring piece 301 is arranged on the inner wall of the outer end of the semi-ring sleeve 2; the cross-section of the semi-ring spring piece 301 is designed to be arc-shaped, and the arched end of the semi-ring spring piece 301 faces inward; a semi-ring rubber pad 302 is fixedly fitted on the abutting side of the semi-ring spring piece 301, and the ends of the semi-ring rubber pads 302 on the inner walls of the outer ends of the two semi-ring sleeves 2 are in contact with each other.

[0043] The utility model has the advantage of a semi-ring spring piece 301 and a semi-ring rubber pad 302 being arranged to abut against the outer end pipe of the metal pipe, so that the metal pipe covered by the two semi-ring sleeves 2 is separated from the outside, further protecting the metal pipe from being attached with oily substances.

[0044] Embodiment 3: A connection structure of a hydraulic pipeline of an injection molding machine, see Figure 5 and Figure 6 ;

[0045] The two ends of one half ring sleeve 2 are respectively fixed with an inserting strip 202, and a rubber ferrule 203 is clamped on the inserting strip 202. The two ends of the other half ring sleeve 2 are respectively provided with slots 204, and the slots 204 are plugged with the inserting strip 202 and the rubber ferrule 203. The two sides of the insertion end of the rubber ferrule 203 are respectively arranged in an arc shape, and the slots 204 are adapted to the rubber ferrule 203, and the rubber ferrule 203 is smoothly inserted into the slots 204.

[0046] The utility model has the advantage of sealing the butt joint of two half ring sleeves 2 by arranging the inserting strip 202, the rubber ferrule 203 and the slot 204.

[0047] Working principle: the fixing ring 1 is fixed at the connection port of the hydraulic mechanism of the injection molding machine, the metal pipe is connected to the hydraulic port of the injection molding machine, the two semi-ring sleeves 2 are butted to cover the metal pipe, the insert strip 202 and the rubber ferrule 203 are correspondingly inserted into the slot 204, the inner end of the semi-ring sleeve 2 is inserted into the annular groove 101, the limit block 201 and the annular groove 101 are butted, the screw 4 passes through the hole at the inner end of the semi-ring sleeve 2 and is screwed into the screw hole on the inner bottom wall of the annular groove 101 to fix the semi-ring sleeve 2 and the fixing ring 1. At this time, the semi-ring rubber pad 302 contacts the outer end pipe of the metal pipe, and the reaction force generated by the squeezing and bending of the semi-ring spring 301 causes the semi-ring rubber pad 302 to press against the outer end pipe of the metal pipe, so that the metal pipe covered by the two semi-ring sleeves 2 is separated from the outside.

[0048] The embodiments disclosed in this utility model are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of this utility model based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of this utility model, they are within the protection scope of this utility model.

Claims

1. A connection structure for a hydraulic pipeline of an injection molding machine, characterized in that, Comprising: Fixed ring (1); Two half-ring sleeves (2), butt-connected to the outside of the fixed ring (1); Wherein, an annular groove (101) is formed on the outer circumference of the outside of the fixed ring (1), and the inner ends of the two half-ring sleeves (2) are respectively engaged with the annular groove (101) in a clamping manner; Wherein, the inner end of the half-ring sleeve (2) is fixedly connected to the fixed ring (1) by a screw (4).

2. The connecting structure of the hydraulic pipeline of an injection molding machine according to claim 1, characterized in that, Two limiting blocks (201) are symmetrically and fixedly arranged on the inner walls of the inner ends of the two half-ring sleeves (2), two limiting grooves (102) are symmetrically formed at the upper and lower ends of the bottom wall of the annular groove (101), and the limiting blocks (201) are inserted and matched with the limiting grooves (102).

3. The connection structure of the hydraulic pipeline of an injection molding machine according to claim 1, characterized in that, Closing assemblies (3) are respectively arranged on the inner walls of the outer ends of the two half-ring sleeves (2); The closing assembly (3) comprises: Half-ring elastic sheet (301), arranged on the inner wall of the outer end of the half-ring sleeve (2).

4. The connecting structure of the hydraulic pipeline of an injection molding machine according to claim 3, characterized in that, The cross-section of the half-ring elastic sheet (301) is designed in an arc shape, and the arched end of the half-ring elastic sheet (301) faces inwards.

5. The connection structure of the hydraulic pipeline of an injection molding machine according to claim 3, characterized in that A half-ring rubber pad (302) is fixedly attached to the abutting side of the half-ring elastic sheet (301), and the ends of the half-ring rubber pads (302) on the inner walls of the outer ends of the two half-ring sleeves (2) are in contact with each other.

6. The connection structure of the hydraulic pipeline of an injection molding machine according to claim 1, characterized in that, Insert bars (202) are respectively fixed at both ends of one half-ring sleeve (2), rubber snap sleeves (203) are clamped on the insert bars (202), slots (204) are respectively formed at both ends of the other half-ring sleeve (2), and the slots (204) are inserted and matched with the insert bars (202) and the rubber snap sleeves (203).

7. The connecting structure of the hydraulic pipeline of an injection molding machine according to claim 6, characterized in that, Both sides of the insertion end of the rubber snap sleeve (203) are respectively formed into an arc shape, and the slot (204) is adapted to the rubber snap sleeve (203).

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