PVC pipe production mixing device

Abstract

The utility model discloses a PVC (polyvinyl chloride) pipe production mixing device which comprises a mixing barrel, a stirring shaft is rotatably mounted in the mixing barrel, stirring blades are mounted on the outer wall of the stirring shaft, an end cover is arranged at the end of the mixing barrel, a mounting component is arranged on the front surface of the end cover, and a fixed circular ring is fixedly connected to the front surface of the end cover. The side of the connecting block is fixedly connected with the mixing barrel, connecting grooves matched with the connecting block are formed in the back face of the fixing circular ring and the back face of the end cover, and the locking assembly is further used for supporting and limiting the stirring shaft. The mixing barrel, the stirring shaft, the end cover and the mounting assembly are matched for use, the locking assembly is used for clamping and locking the connecting block in the fixed circular ring, so that the end cover can be stably mounted on the mixing barrel, the locking assembly can be used for supporting and limiting the stirring shaft, the limitation of the locking assembly is relieved, and the stirring shaft can be stably mounted on the mixing barrel. The cover plate can be directly pulled to be separated from the mixing barrel, so that the interior of the mixing barrel is cleaned and maintained.

Description

Technical Field

[0001] The utility model relates to the field of mixing devices, in particular to a mixing device for producing PVC pipes. Background Art

[0002] When making PVC pipes, a screw extruder is usually used to extrude hot-melt plastic particles, and the hot-melt plastic particles are extruded through a pipe mold.

[0003] When the plastic particles are poured into the barrel of the screw extruder, different types of plastic particles need to be mixed and stirred. When the plastic particles are mixed, a mixer is usually used to mix the plastic particles.

[0004] Existing mixers usually consist of a bracket, a mixing barrel, a stirring shaft, stirring blades and a driving motor. When the plastic particles are mixed, stirred and discharged, the powder mixed in the plastic particles will adhere to the inside of the mixing barrel, but the end cover at the end of the mixing barrel is usually fixed with bolts, so when the inside of the mixing barrel needs to be cleaned and maintained, it is inconvenient to open the end cover and clean the inside of the mixing barrel. Utility Model Content

[0005] The purpose of the utility model is to provide a PVC pipe production mixing device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a PVC pipe production mixing device, comprising a mixing barrel, a stirring shaft is rotatably installed inside the mixing barrel, and a stirring blade is installed on the outer wall of the stirring shaft;

[0007] The end of the mixing barrel is provided with an end cover, and the front of the end cover is provided with a mounting assembly, and the mounting assembly includes:

[0008] A fixed ring, the fixed ring being fixedly connected to the front side of the end cover;

[0009] A connecting block, the side of which is fixedly connected to the mixing barrel, and the back of the fixing ring and the back of the end cover are both provided with connecting grooves matching the connecting block;

[0010] A locking assembly is arranged on the front side of the end cover, and is used to lock the connection block, and is also used to support and limit the stirring shaft.

[0011] Preferably, the locking assembly comprises:

[0012] A fixed shell, the fixed shell being fixedly connected to the front side of the end cover;

[0013] A locking rod, the outer wall of which is slidably inserted and sleeved with the fixed shell, and the locking rod passes through the fixed ring and is slidably inserted and sleeved with the connecting block.

[0014] Preferably, the inner cavity of the fixed shell is symmetrically slidably sleeved with a limit plate, the outer wall of the locking rod is fixedly inserted and sleeved with the limit plate, and the interior of the fixed shell is symmetrically fixedly connected with a fixing rod.

[0015] Preferably, the outer wall of the fixing rod and the limiting plate are slidably inserted and sleeved, and the outer wall of the fixing rod is slidably sleeved with a limiting spring, and the limiting spring is located between adjacent limiting plates.

[0016] Preferably, a first locking block and a second locking block are symmetrically slidably arranged inside the fixed shell, the first locking block and the second locking block are slidably engaged with the end of the outer wall of the stirring shaft, and the first locking block and the second locking block are fixedly connected to the opposite sides with a connecting rod.

[0017] Preferably, the end of the connecting rod is fixedly connected to the locking rod, and the first locking block and the second locking block are provided with through holes matching the connecting rod on opposite sides, and the through holes on the first locking block are staggered with the through holes on the second locking block.

[0018] Preferably, a guide rod is symmetrically fixedly connected to the interior of the fixed shell, the outer wall of the guide rod is slidably interlaced with the limit plate, the first locking block and the second locking block, the outer wall of the locking rod is fixedly connected to a drive plate, and the front side of the drive plate is fixedly connected to a handle.

[0019] Technical effects and advantages of the utility model:

[0020] The utility model utilizes the coordinated use of a mixing barrel, a stirring shaft, an end cover and a mounting assembly. The mounting assembly includes a fixed ring, a connecting block and a locking assembly. The locking assembly locks the connecting block inside the fixed ring so that the end cover can be stably mounted on the mixing barrel. The locking assembly can also support and limit the stirring shaft. When the limitation of the locking assembly is released, the cover plate can be directly pulled to separate from the mixing barrel, thereby cleaning and maintaining the inside of the mixing barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the overall structure of the end cover of the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the end cover of the utility model from above.

[0024] Figure 4It is a schematic diagram of the internal structure of the front side of the fixed shell of the utility model.

[0025] In the figure: 1, mixing barrel; 2, stirring shaft; 3, end cover; 4, mounting assembly; 41, fixing ring; 42, connecting block; 43, locking assembly; 431, fixing shell; 432, locking rod; 433, limiting plate; 434, fixing rod; 435, limiting spring; 436, first locking block; 437, second locking block; 438, connecting rod; 439, guide rod; 4310, driving plate; 4311, handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides Figure 1-4 A PVC pipe production mixing device shown in the figure comprises a mixing barrel 1, a stirring shaft 2 is rotatably installed inside the mixing barrel 1, a stirring blade is installed on the outer wall of the stirring shaft 2, a bracket is installed at the bottom of the mixing barrel 1, a motor for driving the stirring shaft 2 to rotate is installed on the bracket, so that the motor drives the stirring shaft 2 and the stirring blade to rotate, so that the PVC pipe production particles inside the mixing barrel 1 can be mixed, an end cover 3 is provided at the end of the mixing barrel 1, and a hole matching the stirring shaft 2 is opened on the front of the end cover 3, and a mounting assembly 4 is provided on the front of the end cover 3, and the mounting assembly 4 comprises a fixing ring 41, a connecting block 42 and a locking assembly 43, and the fixing ring 41 is fixedly connected to the end cover 3. On the front side, the sides of the connecting block 42 are fixedly connected to the mixing barrel 1, and the back sides of the fixing ring 41 and the end cover 3 are provided with connecting grooves matching the connecting block 42. The locking assembly 43 is arranged on the front side of the end cover 3. The locking assembly 43 is used to snap-lock the connecting block 42. The locking assembly 43 snaps and locks the connecting block 42, so that the end cover 3 and the fixing ring 41 can be stably installed on the end of the mixing barrel 1. When the locking state of the locking assembly 43 on the connecting block 42 is released, the end cover 3 is pulled relative to the mixing barrel 1, and the end cover 3 can be directly disassembled, thereby facilitating the cleaning and maintenance of the interior of the mixing barrel 1. The locking assembly 43 is also used to support and limit the stirring shaft 2.

[0028] Specifically, the locking assembly 43 includes a fixed housing 431 and a locking rod 432. The fixed housing 431 is fixedly connected to the front of the end cover 3. The outer wall of the locking rod 432 is slidably inserted and sleeved with the fixed housing 431. The locking rod 432 passes through the fixed ring 41 and is slidably inserted and sleeved with the connecting block 42. The inner cavity of the fixed housing 431 is symmetrically slidably sleeved with the limit plate 433. The outer wall of the locking rod 432 is fixedly inserted and sleeved with the limit plate 433. The interior of the fixed housing 431 is symmetrically fixedly connected with the fixing rod 434, the outer wall of the fixing rod 434 is slidably inserted and sleeved with the limit plate 433, the fixing rod 434 can ensure the stability of the movement of the limit spring 435 and the limit plate 433, the outer wall of the fixing rod 434 is slidably sleeved with the limit spring 435, and the limit spring 435 is located between two adjacent limit plates 433, so that the limit spring 435 can give the two limit plates 433 an elastic force to move away from each other, so that the limit plate 433 drives the locking rod 432 to maintain a stable clamping state with the connecting block 42.

[0029] In particular, the interior of the fixed shell 431 is symmetrically and slidably provided with a first locking block 436 and a second locking block 437, the first locking block 436 and the second locking block 437 are slidably engaged with the end of the outer wall of the stirring shaft 2, and the first locking block 436 and the second locking block 437 are fixedly connected to the opposite sides with a connecting rod 438, and the end of the connecting rod 438 is fixedly connected to the locking rod 432, that is, the connecting rod 438 on one side of the first locking block 436 passes through the second locking block 437 and is fixedly connected to the locking rod 432, and the connecting rod 438 on one side of the second locking block 437 passes through the first locking block 436 and is fixedly connected to the locking rod 432, When the two limit plates 433 move relative to each other, one end of the locking rod 432 can be driven to separate from the connecting block 42. The locking rods 432 on the two limit plates 433 drive the first locking block 436 and the second locking block 437 to move oppositely through the connecting rod 438, and then unlock. Conversely, one end of the locking rod 432 is engaged with the connecting block 42, and the first locking block 436 and the second locking block 437 are connected to the stirring shaft 2. The first locking block 436 and the second locking block 437 are opposite to each other on one side. Through holes matching the connecting rod 438 are provided, and the through holes on the first locking block 436 and the through holes on the second locking block 437 are staggered.

[0030] Furthermore, the interior of the fixed shell 431 is symmetrically fixedly connected with a guide rod 439, and the outer wall of the guide rod 439 is slidably interlaced with the limit plate 433, the first locking block 436 and the second locking block 437. The guide rod 439 can improve the stability of the first locking block 436 and the second locking block 437 sliding inside the fixed shell 431. The outer wall of the locking rod 432 is fixedly connected with a driving plate 4310, and the front of the driving plate 4310 is fixedly connected with a handle 4311. The two handles 4311 are used to facilitate the relative movement of the locking rods 432 on both sides of the fixed shell 431, thereby unlocking the locking rods 432 and driving the end cover 3 to separate from the mixing barrel 1.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PVC pipe production mixing device, comprising a mixing barrel (1), a stirring shaft (2) rotatably mounted inside the mixing barrel (1), and a stirring blade mounted on the outer wall of the stirring shaft (2); It is characterized in that An end cover (3) is provided at the end of the mixing barrel (1), and a mounting assembly (4) is provided on the front of the end cover (3). The mounting assembly (4) comprises: A fixed circular ring (41), wherein the fixed circular ring (41) is fixedly connected to the front side of the end cover (3); A connecting block (42), the side of which is fixedly connected to the mixing barrel (1), and the back of the fixing ring (41) and the back of the end cover (3) are both provided with connecting grooves matching the connecting block (42); A locking assembly (43), wherein the locking assembly (43) is arranged on the front side of the end cover (3), and the locking assembly (43) is used to lock the connection block (42) by clamping, and the locking assembly (43) is also used to support and limit the stirring shaft (2).

2. A PVC pipe production mixing device according to claim 1, characterized in that: The locking assembly (43) comprises: A fixed shell (431), wherein the fixed shell (431) is fixedly connected to the front side of the end cover (3); A locking rod (432), the outer wall of which is slidably inserted and sleeved with the fixed shell (431), and the locking rod (432) passes through the fixed ring (41) and is slidably inserted and sleeved with the connecting block (42).

3. A PVC pipe production mixing device according to claim 2, characterized in that: The inner cavity of the fixed shell (431) is symmetrically slidably sleeved with the limit plate (433), the outer wall of the locking rod (432) is fixedly inserted and sleeved with the limit plate (433), and the interior of the fixed shell (431) is symmetrically fixedly connected with a fixing rod (434).

4. A PVC pipe production mixing device according to claim 3, characterized in that: The outer wall of the fixing rod (434) is slidably inserted and sleeved with the limiting plate (433), and the outer wall of the fixing rod (434) is slidably sleeved with the limiting spring (435), and the limiting spring (435) is located between adjacent limiting plates (433).

5. A PVC pipe production mixing device according to claim 4, characterized in that: A first locking block (436) and a second locking block (437) are symmetrically and slidably arranged inside the fixed shell (431); the first locking block (436) and the second locking block (437) are slidably engaged with the end of the outer wall of the stirring shaft (2); and a connecting rod (438) is fixedly connected to the opposite side of the first locking block (436) and the second locking block (437).

6. A PVC pipe production mixing device according to claim 5, characterized in that: The end of the connecting rod (438) is fixedly connected to the locking rod (432), and the first locking block (436) and the second locking block (437) are provided with through holes matching the connecting rod (438) on opposite sides, and the through holes on the first locking block (436) and the through holes on the second locking block (437) are staggered.

7. A PVC pipe production mixing device according to claim 6, characterized in that: The interior of the fixed shell (431) is symmetrically fixedly connected with a guide rod (439), the outer wall of the guide rod (439) is slidably inserted and sleeved with the limit plate (433), the first locking block (436) and the second locking block (437), the outer wall of the locking rod (432) is fixedly connected with a drive plate (4310), and the front of the drive plate (4310) is fixedly connected with a handle (4311).

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