Novel machine barrel fixing structure

Abstract

The utility model relates to the field of injection molding machines, and discloses a novel machine barrel fixing structure which comprises a machine barrel seat, a machine barrel which is horizontally inserted into the machine barrel seat and of which the outer ring wall is concavely provided with a ring groove, and a pair of connecting semi-rings which are partially inserted into the ring groove, are partially exposed out of the ring groove and are locked with the machine barrel seat through first screws, the connecting semi-ring is arranged on one side, far away from the injection direction of the machine barrel, of the machine barrel seat, and the locking direction of the first screw is the same as the injection direction of the machine barrel, so that when the first screw on the connecting semi-ring is subjected to injection force, the connecting semi-ring is arranged on one side, far away from the injection direction, of the machine barrel seat, and the locking direction of the first screw is the same as the arrangement direction of the machine barrel; therefore, when the connecting semi-ring is subjected to injection force, the machine barrel base can support the connecting semi-ring, so that the injection force borne by the first screws on the connecting semi-ring is reduced, the service life of the first screws is prolonged, and meanwhile, the number of the first screws can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine field especially relates to a novel machine cylinder fixed structure. BACKGROUND

[0002] The Chinese patent with the publication number CN103568207B discloses an injection molding machine cylinder installation structure, which comprises a cylinder table, a cylinder seat fixed on the cylinder table and a cylinder inserted into the middle part of the cylinder seat, a limiting component for limiting the axial movement of the cylinder inserted into the cylinder seat is arranged between the cylinder table and the cylinder, the limiting component comprises two semicircular cylinder half rings sleeved on the outer wall of the cylinder, a plurality of screw holes arranged at the relative positions of the two cylinder half rings and the cylinder seat close to the moving direction of the cylinder half rings and a screw capable of being screwed into the screw holes of the cylinder half ring and the cylinder seat at the same time to fix the two, a ring groove for the partial insertion of the two cylinder half rings is arranged on the outer wall of the cylinder, a blanking hole is arranged on the cylinder seat and a feeding hole is arranged on the cylinder opposite to the position of the blanking hole.

[0003] When the screw moves forward to extrude the material in the cylinder, the injection force generated by the forward movement of the screw is transmitted to the cylinder half ring through the cylinder, the cylinder half ring is connected with the cylinder seat through the screw, so when the cylinder half ring is subjected to the injection force, the screw is pulled due to the injection force received by the cylinder half ring, the injection force generated by the forward movement of the screw is large, thereby reducing the service life of the screw. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the injection force generated by the forward movement of the screw is transmitted to the cylinder half ring, the cylinder half ring is pulled to the screw on it, the injection force generated by the forward movement of the screw is large, thereby reducing the service life of the screw, a novel machine cylinder fixed structure capable of reducing the injection force received by the screw is provided.

[0005] In order to solve the above technical problems, the utility model solves through the following technical schemes:

[0006] A novel machine cylinder fixed structure, which comprises a cylinder seat, a cylinder horizontally inserted into the cylinder seat and having a ring groove recessed in the outer ring wall, and a pair of connecting half rings partially inserted into the ring groove, partially exposed from the ring groove and locked with the cylinder seat through first screws, the ring groove is located at one end of the cylinder seat away from the injection direction of the cylinder and the locking direction of the first screw is the same as the injection direction of the cylinder.

[0007] According to the above scheme, when the first screw on the connecting half-ring is subjected to the injection force, the connecting half-ring is supported by the barrel seat, thereby reducing the injection force on the first screw, prolonging the service life of the first screw, and reducing the number of the first screws.

[0008] Preferably, the barrel is an optical axis.

[0009] According to the above scheme, when the first screw on the connecting half-ring is subjected to the injection force, the connecting half-ring is supported by the barrel seat, thereby reducing the injection force on the first screw, prolonging the service life of the first screw, and reducing the number of the first screws.

[0010] Preferably, a connecting structure is arranged between the two connecting half-rings.

[0011] Preferably, the connecting structure comprises a groove recessed inwardly on the outer wall of either connecting half-ring, a locking screw hole arranged on the end of the other connecting half-ring, a through hole or a butt screw hole arranged on the groove wall opposite to the locking screw hole, and a second screw passing through the through hole or the butt screw hole and tightly fitted with the locking screw hole.

[0012] According to the above scheme, the second screw is screwed into the through hole or the butt screw hole on the groove and the locking screw hole on the other connecting half-ring, thereby connecting the two connecting half-rings. This facilitates the operator to install the connecting half-rings into the ring groove of the barrel before the barrel is installed into the barrel seat. When the two connecting half-rings are installed into the ring groove of the barrel, the barrel is installed into the barrel seat, and the two connecting half-rings are in contact with the side wall of the barrel seat, the installation position of the barrel is determined, and the position of the barrel is not required to be adjusted after the barrel is inserted into the barrel seat, thereby facilitating the installation of the barrel.

[0013] Preferably, a guide structure is arranged between the two connecting half-rings and the side wall of the ring groove, which facilitates the insertion of the two connecting half-rings into the ring groove.

[0014] Preferably, the guide structure comprises a first guide inclined surface arranged on the opening of at least one side wall of the ring groove and / or a second guide inclined surface arranged on the inner arc of at least one side wall of the connecting half-ring.

[0015] With the above scheme, the first guide slope arranged on the side wall of the ring groove and / or the second guide slope arranged on at least one side wall of the connecting half ring can facilitate the operator to install the two connecting half rings into the ring groove.

[0016] The novel machine cylinder fixing structure has the following remarkable technical effects: when the first screw on the connecting half ring is subjected to the injection force, the connecting half ring is supported by the machine cylinder seat, so that the injection force on the first screw on the connecting half ring is reduced, the service life of the first screw is improved, and the number of the first screws arranged can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an axonometric view of a novel machine cylinder fixing structure in the embodiment;

[0018] Figure 2 is a sectional view of the novel machine cylinder fixing structure in the embodiment;

[0019] Figure 3 is an axonometric view of two connecting half rings in the embodiment;

[0020] Figure 4 is an exploded view of the two connecting half rings in the embodiment;

[0021] Figure 5 is an axonometric view of a machine cylinder in the embodiment;

[0022] Figure 6 is an enlarged view of A in Figure 5

[0023] Figure 7 is an axonometric view of a machine cylinder seat in the embodiment.

[0024] The names of the parts referred to by the numbers in the above drawings are as follows: 1, machine cylinder seat; 2, machine cylinder; 3, ring groove; 4, connecting half ring; 501, first screw; 502, second screw; 6, slot; 7, locking screw hole; 8, through hole; 901, first guide slope; 902, second guide slope; 10, feed port; 11, discharge port. DETAILED DESCRIPTION

[0025] The novel machine cylinder fixing structure will be further described in detail below in combination with the drawings and the embodiments.

[0026] EMBODIMENT

[0027] A novel machine cylinder fixing structure, with reference to Figures 1-2 , Figure 7 ​, including a barrel seat 1, a barrel 2 horizontally inserted into the barrel seat 1 and having an outer ring wall with a ring groove 3, and a pair of connecting half-rings 4 partially inserted into the ring groove 3 and partially exposed from the ring groove 3 and locked with the barrel seat 1 by first screws 501, the ring groove 3 being located at an end of the barrel seat 1 away from the injection direction of the barrel 2 and the locking direction of the first screws 501 being the same as the injection direction of the barrel 2, the barrel seat 1 being provided with a feeding port 10 for feeding, and the barrel 2 being provided with a discharging port 11 for feeding materials into the barrel 2, and the barrel 2 being a light shaft in the embodiment.

[0028] With reference to Figure 1 , Figures 3-4 A connecting structure is arranged between the two connecting half-rings 4 for connecting the two connecting half-rings 4, the connecting structure including a cut groove 6 inwardly recessed on the outer wall of either one of the connecting half-rings 4, a locking screw hole 7 arranged on the end of the other connecting half-ring 4, a through hole 8 or a butt screw hole arranged on the groove wall opposite to the locking screw hole 7 and a second screw 502 passing through the through hole 8 or the butt screw hole and tightly fitted with the locking screw hole 7, and the cut groove 6 is provided with the through hole 8 in the embodiment.

[0029] With reference to Figures 5-6 A guide-in structure is arranged between the two connecting half-rings 4 and the side wall of the ring groove 3 for facilitating the insertion of the two connecting half-rings 4 into the ring groove 3, the guide-in structure including a first guide-in inclined surface 901 arranged on at least one side wall of the ring groove 3 at the opening and / or a second guide-in inclined surface 902 arranged on at least one side wall of the connecting half-ring 4 at the inner arc.

[0030] Specific installation process: when the barrel 2 needs to be installed on the barrel seat 1, first, the two connecting half-rings 4 are placed into the ring groove 3, then the second screw 502 is screwed into the through hole 8 on the cut groove 6 and the locking screw hole 7 on the other connecting half-ring 4, so as to realize the connection between the two connecting half-rings 4, then the barrel 2 is inserted into the barrel seat 1 until the two connecting half-rings 4 on the barrel 2 contact with the side wall of the barrel seat 1, at this time, the connecting half-rings 4 can be connected with the barrel seat 1 by the first screws 501, so as to complete the installation between the barrel 2 and the barrel seat 1; when the barrel 2 needs to be removed from the barrel seat 1, only a plurality of first screws 501 are removed from the barrel seat 1, so as to simultaneously remove the barrel 2 and the connecting half-rings 4 from the barrel seat 1.

[0031] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the idea of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application shall also be considered as the protection scope of the present application.

Claims

1. A novel barrel fixing structure, comprising a barrel seat (1), a barrel (2) horizontally inserted into the barrel seat (1) and having a ring groove (3) recessed in the outer ring wall of the barrel (2), and a pair of connecting half-rings (4) partially inserted into the ring groove (3) and partially exposed from the ring groove (3) and locked with the barrel seat (1) by first screws (501), characterized in that: The ring groove (3) is located at the end of the machine cylinder seat (1) far from the injection direction of the machine cylinder (2), and the locking direction of the first screw (501) is the same as the injection direction of the machine cylinder (2).

2. A novel barrel fixing structure according to claim 1, characterized in that: The machine cylinder (2) is a light axis.

3. A novel barrel fixing structure as claimed in claim 1, wherein: A connecting structure is arranged between the two connecting half-rings (4) for connecting the two.

4. A novel barrel fixing structure according to claim 3, characterized in that: The connecting structure comprises a cut groove (6) concavely arranged inwardly on the outer wall of either one of the two connecting half-rings (4), a locking screw hole (7) arranged on the end of the other connecting half-ring (4), a through hole (8) or a butt screw hole arranged on the groove wall opposite to the locking screw hole (7) and corresponding to the locking screw hole (7), and a second screw (502) tightly fitted with the locking screw hole (7) after passing through the through hole (8) or the butt screw hole.

5. A novel barrel fixing structure as claimed in claim 1, wherein: A guide-in structure is arranged between the two connecting half-rings (4) and the side wall of the ring groove (3) for facilitating the insertion of the two connecting half-rings (4) into the ring groove (3).

6. A novel barrel fixing structure according to claim 5, characterized in that: The guide-in structure comprises a first guide-in inclined surface (901) arranged on at least one side wall of the ring groove (3) at the opening and / or a second guide-in inclined surface (902) arranged on at least one side wall of the connecting half-ring (4) at the inner arc.

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