Convenient-to-disassemble injection mechanism

Abstract

The utility model discloses a conveniently detached material injection mechanism which comprises a valve body, and a feeding port, a discharging port, a valve element and a piston rod are arranged in the valve body. The valve further comprises a frame body, a valve element driving mechanism, a connecting bolt and a piston driving mechanism. Wherein the valve body is detachably arranged on the frame body; the output end of the valve element driving mechanism is movably connected with the valve element and can drive the valve element to rotate. The connecting bolt is in threaded connection with the piston rod; the output end of the piston driving mechanism is connected with the connecting bolt and can drive the piston rod to reciprocate. The valve body is easier to disassemble, excess materials in the valve are convenient to clean, and the interior of the valve is cleaner.

Description

Technical Field

[0001] The utility model relates to the technical field of injection equipment, in particular to a detachable injection mechanism. Background Art

[0002] When the injection mechanism is replaced with different materials, the inside of the valve body needs to be cleaned. The valve body in the prior art is very inconvenient to disassemble, so there is an urgent need to invent a disassembleable injection mechanism. Summary of the Invention

[0003] According to an embodiment of the present invention, a detachable injection mechanism is provided, comprising a valve body, wherein the valve body is provided with a feed port, a discharge port, a valve core and a piston rod; and further comprising:

[0004] a frame, on which the valve body is detachably arranged;

[0005] A valve core driving mechanism, wherein the output end of the valve core driving mechanism is movably connected to the valve core and can drive the valve core to rotate;

[0006] Connecting bolt, the connecting bolt is threadedly connected to the piston rod;

[0007] The piston drive mechanism has an output end connected to the connecting bolt and can drive the piston rod to move back and forth.

[0008] Furthermore, a first groove is provided on one side of the valve core, and the first groove is connected to the output end of the valve core driving mechanism.

[0009] Furthermore, the valve core driving mechanism comprises: a rotary cylinder and a first driving shaft;

[0010] The rotary cylinder is arranged on the frame, and its output end is connected to the first drive shaft to drive the first drive shaft to rotate;

[0011] A first protrusion is provided on the first driving shaft, and the first protrusion is coupled with the first groove.

[0012] Furthermore, the piston drive mechanism comprises: a drive motor, a screw-nut mechanism, a pair of first positioning seats and a drive block;

[0013] The driving motor is connected to the frame, and the output end thereof is connected to the input end of the screw nut mechanism;

[0014] A pair of first positioning seats are respectively arranged on the frame body, and both ends of the lead screw of the lead screw and nut mechanism are respectively rotatably connected to the pair of first positioning seats;

[0015] The driving block is connected to the nut of the screw-nut mechanism and can move with the nut;

[0016] The piston rod is detachably connected to the driving block via a connecting bolt.

[0017] Furthermore, it also includes: a pair of slide rails, which are detachably arranged on the frame, and the two ends of the driving block are respectively slidably connected to the pair of slide rails.

[0018] Furthermore, a second groove is provided at the upper end of the driving block, and the connecting bolt fixes the piston rod to the driving block through the second groove.

[0019] Furthermore, the diameter of the connecting bolt is smaller than the diameter of the piston rod.

[0020] Furthermore, the driving motor is connected to the lead screw of the lead screw and nut mechanism through a synchronous belt and a pair of synchronous pulleys.

[0021] According to the easily disassembled injection mechanism of the embodiment of the utility model, the valve body is easier to disassemble, which facilitates cleaning of residual material in the valve and makes the interior of the valve cleaner.

[0022] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of a three-dimensional view from a first viewing angle according to an embodiment of the present invention;

[0024] Figure 2 is a schematic diagram of a perspective view from a second viewing angle according to an embodiment of the present invention;

[0025] Figure 3 for Figure 1 The main view;

[0026] Figure 4 for Figure 3 AA section view. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to further illustrate the present invention.

[0028] First, combine Figures 1 to 4 The detachable injection mechanism according to the embodiment of the present invention is described, which is used in the field of injection technology and has a wide range of application scenarios.

[0029] like Figures 1 to 4 As shown, the detachable injection mechanism of the embodiment of the utility model comprises a valve body 1, in which a feed port 11, a discharge port 12, a valve core 13 and a piston rod 14 are provided; and further comprises:

[0030] The frame 2, the valve body 1 is connected to the frame 2 by screws;

[0031] The valve core drive mechanism 3, the output end of the valve core drive mechanism 3 is movably connected to the valve core 13, which is convenient for disassembling the valve body 1, and the valve core drive mechanism 3 can drive the valve core 13 to rotate;

[0032] Connecting bolt 4, connecting bolt 4 is threadedly connected to piston rod 14;

[0033] The piston drive mechanism 5 has an output end connected to the connecting bolt 4, which can drive the piston rod 14 to reciprocate. When disassembling, it is only necessary to loosen the connecting bolt 4.

[0034] Further, if Figure 1 、 4 As shown, in this embodiment, a first groove 131 is provided on one side of the valve core 13 , and the first groove 131 is movably connected to the output end of the valve core driving mechanism 3 to facilitate the valve core 13 to be separated from the first groove 131 .

[0035] Further, if Figure 1 、 4 As shown, in this embodiment, the valve core driving mechanism 3 includes: a rotary cylinder 31 and a first driving shaft 32;

[0036] The rotary cylinder 31 is provided on the frame 2, and its output end is connected to the first drive shaft 32, and can drive the first drive shaft 32 to rotate;

[0037] A first protrusion 321 is provided on the first driving shaft 32 . The first protrusion 321 is coupled to the first groove 131 to facilitate the valve core 13 to be separated from the first groove 131 .

[0038] Further, if Figures 1-3 As shown, in this embodiment, the piston drive mechanism 5 includes: a drive motor 51, a screw nut mechanism 52, a pair of first positioning seats 53 and a drive block 54;

[0039] The driving motor 51 is connected to the frame 2, and its output end is connected to the input end of the screw nut mechanism 52, which can drive the screw nut mechanism 52 to operate;

[0040] A pair of first positioning seats 53 are respectively provided on the frame 2 , and both ends of the screw of the screw-nut mechanism 52 are rotatably connected to the pair of first positioning seats 53 ;

[0041] The driving block 54 is connected to the nut of the screw-nut mechanism 52 and can move with the nut;

[0042] The piston rod 14 is detachably connected to the driving block 54 via a connecting bolt 4 .

[0043] Further, if Figures 1 and 2As shown, in this embodiment, it also includes: a pair of slide rails 55, which are detachably arranged on the frame 2, and the two ends of the driving block 54 are respectively slidably connected to the pair of slide rails 55, so that the driving block 54 moves more smoothly.

[0044] Further, if Figures 1 and 2 As shown, in this embodiment, a second groove 541 is provided at the upper end of the driving block 54 , and the connecting bolt 4 fixes the piston rod 14 to the driving block 54 through the second groove 541 .

[0045] Further, if Figures 1 and 2 As shown, in this embodiment, the diameter of the connecting bolt 4 is smaller than the diameter of the piston rod 14 .

[0046] Further, if Figures 1 and 2 As shown, in this embodiment, the drive motor 51 is connected to the screw of the screw-nut mechanism 52 through a synchronous belt (not shown) and a pair of synchronous pulleys 56, which has high transmission accuracy and is anti-slip.

[0047] Working Principle: First, the valve body 1 is fed through the feed port 11. The rotary cylinder 31 drives the valve core 13 to rotate, connecting the feed port 11 with the piston chamber. The drive motor 51 drives the piston rod 14 to reciprocate, allowing the material to enter the valve body 1. During injection, the rotary cylinder 31 drives the valve core 13 to rotate, connecting the discharge port 12 with the piston chamber. The drive motor 51 drives the piston rod 14 to reciprocate, allowing the material to escape from the valve body 1 through the discharge port 12. When changing different materials, the valve body 1 needs to be disassembled and cleaned. Loosen the connecting bolts 4, rotate the first drive shaft 32 until it is perpendicular to the horizontal plane, and then unscrew the screws connecting the valve body 1 to the frame 2. The valve body 1 can be pulled out upwards and then cleaned.

[0048] Above, refer to Figures 1 to 4 The easily disassembled injection mechanism according to the embodiment of the utility model is described. The valve body 1 is easier to disassemble, which facilitates cleaning of residual material in the valve and makes the valve cleaner.

[0049] It should be noted that, in this specification, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, the elements defined by the phrase "comprising..." do not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the elements.

[0050] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. After reading the above description, various modifications and alternatives to the present invention will be readily apparent to those skilled in the art. Therefore, the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A detachable injection mechanism, comprising a valve body, wherein the valve body is provided with a feed port, a discharge port, a valve core and a piston rod; characterized in that: Also includes: a frame, on which the valve body is detachably arranged; A valve core driving mechanism, wherein an output end of the valve core driving mechanism is movably connected to the valve core and can drive the valve core to rotate; a connecting bolt, the connecting bolt being threadedly connected to the piston rod; A piston drive mechanism, wherein the output end of the piston drive mechanism is connected to the connecting bolt and can drive the piston rod to reciprocate.

2. The detachable injection mechanism according to claim 1, characterized in that: A first groove is provided on one side of the valve core, and the first groove is connected to the output end of the valve core driving mechanism.

3. The detachable injection mechanism according to claim 2, characterized in that: The valve core driving mechanism comprises: a rotary cylinder and a first driving shaft; The rotary cylinder is arranged on the frame, and its output end is connected to the first drive shaft, and can drive the first drive shaft to rotate; A first protrusion is provided on the first driving shaft, and the first protrusion is coupled to the first groove.

4. The detachable injection mechanism according to claim 1, characterized in that: The piston drive mechanism comprises: a drive motor, a screw nut mechanism, a pair of first positioning seats and a drive block; The driving motor is connected to the frame, and the output end thereof is connected to the input end of the screw-nut mechanism; The pair of first positioning seats are respectively arranged on the frame body, and both ends of the screw of the screw-nut mechanism are rotatably connected to the pair of first positioning seats respectively; The driving block is connected to the nut of the screw-nut mechanism and can move along with the nut; The piston rod is detachably connected to the driving block via the connecting bolt.

5. The detachable injection mechanism according to claim 4, characterized in that: It also includes: a pair of slide rails, which are detachably arranged on the frame, and the two ends of the driving block are respectively slidably connected to the pair of slide rails.

6. The detachable injection mechanism according to claim 4, characterized in that: A second groove is provided at the upper end of the driving block, and the connecting bolt fixes the piston rod to the driving block through the second groove.

7. The detachable injection mechanism according to claim 6, characterized in that: The diameter of the connecting bolt is smaller than the diameter of the piston rod.

8. The detachable injection mechanism according to claim 4, characterized in that: The driving motor is connected to the lead screw of the lead screw and nut mechanism through a synchronous belt and a pair of synchronous pulleys.

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