Marbling machine injection device

Abstract

The utility model relates to a marbling machine injection device, it relates to injection device field, it includes main injection mechanism and vice injection mechanism, main injection mechanism close to vice injection mechanism one side is equipped with the machine barrel nut, vice injection mechanism close to main injection mechanism one side is equipped with the machine barrel, the machine barrel is rotatingly connected with the machine barrel nut, the machine barrel nut is equipped with the machine barrel nut, the machine barrel nut is equipped with the machine barrel nut. And a rotating groove for the machine barrel to rotate is formed in the machine barrel fastening nut. The injection device has the effects that the structural stability of the injection device is improved, and the connecting strength of the main injection mechanism and the auxiliary injection mechanism is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of injection devices, in particular to an injection device for a marbling machine. Background Art

[0002] The injection device, also known as the injection molding machine or injection molding machine, is a device that uses molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.

[0003] In the prior art, such as the injection structure of an R-type two-color injection molding machine (publication number CN114750351A), injection units are divided into two categories based on their functions: single-color injection units and dual-color injection units. Single-color injection units are primarily used to produce single-color products, while dual-color injection units are used to produce multi-color products with patterns such as marble. A dual-color injection unit generally consists of a main injection mechanism and a secondary injection mechanism, each responsible for injecting a different color. The secondary injection mechanism is typically mounted on the main injection mechanism.

[0004] When installing the auxiliary injection mechanism, due to assembly errors such as differences in part processing dimensional accuracy and insufficient angle adjustment accuracy during assembly, it is easy to cause uneven force on the connection part between the main injection mechanism and the auxiliary injection mechanism, which in turn leads to unstable connection. Utility Model Content

[0005] In order to improve the stability of the injection device structure and enhance the connection strength between the main injection mechanism and the auxiliary injection mechanism, the present invention provides an injection device for a marbling machine.

[0006] A marble grain machine injection device comprises a main injection mechanism and a sub-injection mechanism, wherein a barrel nut is provided on a side of the main injection mechanism close to the sub-injection mechanism, and a barrel is provided on a side of the sub-injection mechanism close to the main injection mechanism, wherein the barrel is rotatably connected to the barrel nut, and a rotation groove for the barrel to rotate is provided on the barrel nut.

[0007] By adopting the above technical solution, the barrel and the barrel nut are rotatably connected, so that the installation direction of the auxiliary injection mechanism can be adjusted to reduce assembly errors, thereby reducing the unstable connection between the main injection mechanism and the auxiliary injection mechanism.

[0008] Preferably, the main injection mechanism is provided with a mounting groove for mounting the barrel nut.

[0009] By adopting the above technical solution, the mounting groove is used to reduce the wear and loosening of the barrel nut caused by external influences, thereby improving the stability of the barrel nut installation and further improving the structural strength of the injection device.

[0010] Preferably, a pressing surface is provided in the circumferential direction of the barrel, and the barrel nut presses against the main injection mechanism in the mounting groove in the circumferential direction.

[0011] By adopting the above technical solution, the barrel nut and the main injection mechanism are pressed against each other, thereby reducing the rotation of the barrel nut on the main injection mechanism, which may cause the barrel nut to loosen or even fall off, and improving the stability of the barrel nut installation.

[0012] Preferably, a mounting plate for fixing the auxiliary injection mechanism is provided on a side of the main injection mechanism close to the auxiliary injection mechanism, and the mounting plate is located at an end of the main injection mechanism away from the barrel nut.

[0013] By adopting the above technical solution, the auxiliary injection mechanism is supported by the mounting plate, thereby reducing the situation where the auxiliary injection mechanism is too heavy, resulting in excessive force on the connection part between the auxiliary injection mechanism and the main injection mechanism, resulting in damage to the components.

[0014] Preferably, an articulated seat for articulating the auxiliary injection mechanism is provided between the mounting plate and the auxiliary injection mechanism, and at least two sets of fastening structures for fixation are provided between the articulated seat and the mounting plate.

[0015] By adopting the above technical solution, the auxiliary injection mechanism is hinged to the mounting plate through the hinge seat, so that the positional relationship between the auxiliary injection mechanism and the main injection mechanism can be changed, thereby improving the convenience of installing the auxiliary injection mechanism.

[0016] Preferably, the fastening structure includes an adjusting screw and a gasket, the mounting plate is provided with a mounting hole for installing the adjusting screw, the adjusting screw is provided with a through hole for passing the bolt, the hinge seat is provided with a threaded hole for the bolt to cooperate with, the bolt passes through the gasket and the adjusting screw in turn and cooperates with the hinge seat thread.

[0017] By adopting the above technical solution, the adjusting screw is evenly pressed by the bolt through the gasket, and the bolt passes through the gasket and the adjusting screw to lock the mounting plate, thereby reducing damage to the mounting plate and improving the stability of the hinge seat installation.

[0018] Preferably, the through hole is provided for the bolt to move to adjust the orientation of the hinge seat.

[0019] By adopting the above technical solution, the orientation of the articulated seat is adjusted by drilling holes, thereby adjusting the direction of the auxiliary injection mechanism, and then adjusting the position of the barrel and the barrel nut to reduce the assembly error, and then locking the articulated seat with bolts to fix the auxiliary injection mechanism to the mounting plate, thereby improving the stability of the injection device structure.

[0020] Preferably, a sliding pin is provided between the hinge seat and the mounting plate, a fixing groove for fixing the sliding pin is provided on the hinge seat, and a sliding groove for sliding the sliding pin is provided on the mounting plate.

[0021] By adopting the above technical solution, the sliding pin presses against the mounting plate in the sliding groove, thereby limiting the sliding direction of the hinge seat on the mounting plate, reducing the deviation of the hinge seat on the mounting plate, and thus improving.

[0022] Preferably, an extension tube is provided between the auxiliary injection mechanism and the barrel to reduce interference.

[0023] By adopting the above technical solution, the auxiliary injection mechanism is moved away from the main injection mechanism through the extension tube, thereby reducing the interference of the auxiliary injection mechanism on the main injection mechanism when it rotates, thereby improving the convenience of installing the auxiliary injection mechanism.

[0024] Preferably, a mounting surface for fixing the auxiliary injection mechanism is obliquely opened on one side of the barrel close to the auxiliary injection mechanism.

[0025] By adopting the above technical solution, the installation orientation of the auxiliary injection mechanism is staggered with the main injection mechanism through the installation surface, thereby reducing the interference of the auxiliary injection mechanism on the main injection mechanism when rotating, and thus improving the convenience of installing the auxiliary injection mechanism.

[0026] In summary, this utility model includes at least one of the following beneficial technical effects:

[0027] 1. The barrel and the barrel nut are rotatably connected, so that the installation direction of the auxiliary injection mechanism can be adjusted to reduce assembly errors, thereby reducing the unstable connection between the main injection mechanism and the auxiliary injection mechanism;

[0028] 2. The installation groove reduces the wear and loosening of the barrel nut caused by external influences, thereby improving the stability of the barrel nut installation and further improving the structural strength of the injection device;

[0029] 3. Adjust the orientation of the articulated seat by drilling holes, thereby adjusting the direction of the auxiliary injection mechanism, and then adjust the position of the barrel and the barrel nut to reduce assembly errors, and then lock the articulated seat with bolts to fix the auxiliary injection mechanism to the mounting plate, thereby improving the stability of the injection device structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of an injection device of a marbling machine in this practical embodiment.

[0031] Figure 2 This is a partial enlarged view of the barrel.

[0032] Figure 3 This is the installation diagram of the hinged seat Figure 1.

[0033] Figure 4 This is the installation diagram of the hinged seat Figure 2 .

[0034] Explanation of the accompanying symbols: 1. Main injection mechanism; 2. Auxiliary injection mechanism; 3. Barrel nut; 4. Barrel; 5. Rotation groove; 6. Mounting groove; 7. Pressing surface; 8. Mounting plate; 9. Articulated seat; 10. Fastening structure; 11. Adjusting screw; 12. Gasket; 13. Mounting hole; 14. Through hole; 15. Threaded hole; 16. Sliding pin; 17. Fixing groove; 18. Sliding groove; 19. Extension tube; 20. Mounting surface. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-4 This utility is described in further detail.

[0036] Reference Figure 1 and Figure 2 This practical embodiment discloses an injection device for a marbling machine, comprising a main injection mechanism 1, a sub-injection mechanism 2, a barrel nut 3, and a barrel 4. The sub-injection mechanism 2 is mounted on the main injection mechanism 1. The barrel nut 3 is secured to the main injection mechanism 1 on the side near the sub-injection mechanism 2 by bolts, using hexagon socket head cap screws in this embodiment. The barrel 4 is mounted on the side of the sub-injection mechanism 2 near the main injection mechanism 1. The barrel nut 3 is provided with a rotation slot 5 for rotationally connecting the barrel 4.

[0037] Reference Figure 2 The main injection mechanism 1 is provided with a mounting groove 6 for mounting the barrel nut 3. The barrel nut 3 is embedded in the main injection mechanism 1 through the mounting groove 6, thereby reducing the influence of the external environment on the barrel nut 3. The barrel nut 3 is provided with a pressing surface 7 in the circumferential direction. The barrel nut 3 presses against the main injection mechanism 1 in the mounting groove 6, thereby reducing the situation of the barrel nut 3 rotating circumferentially on the main injection mechanism 1.

[0038] Reference Figure 2 An extension tube 19 is installed between the barrel 4 and the auxiliary injection mechanism 2. One end of the extension tube 19 is fixed to the barrel 4 via a plasticizing tube nut, and the other end is fixed to the delivery head of the auxiliary injection mechanism 2 via a plasticizing tube nut. The barrel 4 is provided with a mounting surface 20 for the oblique installation of the extension tube 19. The extension tube 19 and the mounting surface 20 are used to reduce the interference of the auxiliary injection mechanism 2 with the main injection mechanism 1 when the barrel 4 rotates on the barrel nut 3.

[0039] Reference Figure 3 and Figure 4 , combined with Figure 1A mounting plate 8 for supporting the auxiliary injection mechanism 2 is fixed to the side of the main injection mechanism 1 close to the auxiliary injection mechanism 2 by bolts. A hinge seat 9 is provided between the mounting plate 8 and the auxiliary injection mechanism 2 for hinged connection of the auxiliary injection mechanism 2 to the mounting plate 8, and a fastening structure 10 for fixing is provided between the hinge seat 9 and the mounting plate 8.

[0040] Reference Figure 3 and Figure 4 The fastening structure 10 includes an adjusting screw 11 and a washer 12. The mounting plate 8 includes a mounting hole 13 for the adjusting screw 11. The adjusting screw 11 includes a through-hole 14 for a bolt to pass through and slide radially. The hinge seat 9 includes a threaded groove for the bolt to threadably engage. The bolt sequentially passes through the washer 12 and the adjusting screw 11, then threads into the hinge seat 9, thereby securing the hinge seat 9 to the mounting plate 8. The bolt moves radially through the through-hole 14, thereby changing the mounting position of the hinge seat 9 and, in turn, adjusting the mounting position of the auxiliary injection mechanism 2. At least two sets of fastening mechanisms are provided; in this embodiment, four sets are used as an example.

[0041] Reference Figure 3 and Figure 4 A sliding pin 16 is provided between the mounting plate 8 and the hinge seat 9. A sliding groove 18 is provided on the mounting plate 8 for the sliding pin 16 to slide, and a fixing groove 17 is provided on the hinge seat 9 for the sliding pin 16 to be fixed. When the installation orientation of the hinge seat 9 is adjusted, the sliding pin 16 presses against the mounting plate 8 in the sliding groove 18, thereby reducing the deviation of the hinge seat 9 and improving the installation stability of the hinge seat 9.

[0042] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection device for a marbling machine, comprising a main injection mechanism (1) and a secondary injection mechanism (2), characterized in that: A barrel nut (3) is provided on the side of the main injection mechanism (1) close to the auxiliary injection mechanism (2), and a barrel (4) is provided on the side of the auxiliary injection mechanism (2) close to the main injection mechanism (1). The barrel (4) is rotatably connected to the barrel nut (3), and a rotation groove (5) for the barrel (4) to rotate is provided on the barrel nut (3).

2. The marbling machine injection device according to claim 1, characterized in that: The main injection mechanism (1) is provided with an installation groove (6) for installing the barrel nut (3).

3. The injection device for a marbling machine according to claim 2, characterized in that: The barrel (4) is provided with a pressing surface (7) in the circumferential direction, and the barrel nut (3) is pressed against the main injection mechanism (1) in the mounting groove (6) in the circumferential direction.

4. The injection device for a marbling machine according to claim 1, characterized in that: A mounting plate (8) for fixing the auxiliary injection mechanism (2) is provided on a side of the main injection mechanism (1) close to the auxiliary injection mechanism (2), and the mounting plate (8) is located at an end of the main injection mechanism (1) away from the barrel nut (3).

5. The injection device for a marbling machine according to claim 4, characterized in that: An articulated seat (9) for articulating the auxiliary injection mechanism (2) is provided between the mounting plate (8) and the auxiliary injection mechanism (2), and at least two groups of fastening structures (10) for fixing are provided between the articulated seat (9) and the mounting plate (8).

6. The injection device for a marbling machine according to claim 5, characterized in that: The fastening structure (10) includes an adjusting screw (11) and a gasket (12); a mounting hole (13) for mounting the adjusting screw (11) is provided on the mounting plate (8); a through hole (14) for passing a bolt is provided on the adjusting screw (11); a threaded hole (15) for engaging the bolt is provided on the hinge seat (9); the bolt passes through the gasket (12) and the adjusting screw (11) in sequence and engages with the hinge seat (9) through a thread.

7. The injection device for a marbling machine according to claim 6, characterized in that: The through hole (14) is used for the bolt to move to adjust the position of the hinge seat (9).

8. The injection device for a marbling machine according to claim 5, characterized in that: A sliding pin (16) is provided between the hinge seat (9) and the mounting plate (8); a fixing groove (17) for fixing the sliding pin (16) is provided on the hinge seat (9); and a sliding groove (18) for sliding the sliding pin (16) is provided on the mounting plate (8).

9. The injection device for a marbling machine according to claim 1, characterized in that: An extension tube (19) is provided between the auxiliary injection mechanism (2) and the barrel (4) for reducing interference.

10. The injection device for a marbling machine according to claim 1, characterized in that: A mounting surface (20) for fixing the auxiliary injection mechanism (2) is obliquely provided on one side of the barrel (4) close to the auxiliary injection mechanism (2).

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