Temperature control double-mixing mandrel

Abstract

The utility model relates to the technical field of double-screw extruders, and particularly discloses a temperature control double-mixing mandrel which comprises a connecting body, a spline mandrel is mounted in the connecting body through a spline sleeve, a water inlet pipe is mounted in a screw connector, a cooling oil outlet connector and a cooling oil inlet connector are mounted on one side of the connecting sleeve, and a water inlet pipe is mounted on the other side of the connecting sleeve. Sealing glands are arranged on the two sides of the connecting sleeve, and a fixing plate is connected to one side of the connecting sleeve through a connecting piece; according to the mold temperature controller, cooling oil meeting the temperature required by the product machining technology enters from the cooling oil inlet connector, then enters the water inlet pipe, then flows out from a hole in the front end of the screw rod connector, enters the spline mandrel, then enters the cooling oil outlet connector from an oil outlet of the spline mandrel and flows out, and temperature control is achieved through circulation of the arranged cooling oil; when the spline core shaft rotates, the connecting sleeves on the two screw rods are fixed by the fixing plate, so that the connecting sleeves do not rotate, the screw rod can be used on the double-screw extruder, and the temperature-controllable screw rod meets the requirements of a specific plastic processing technology.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of double screw extruder, concretely relates to a temperature control double mixing core shaft. BACKGROUND

[0002] The spline shaft is short for spline shaft, and the spline shaft is a kind of mechanical transmission, and the spline shaft is the same as flat key, half-round key and wedge key, is all the transmission of mechanical torque, there is longitudinal keyway on the outer surface of shaft, and rotating member on the shaft also has corresponding keyway, can keep synchronous rotation with shaft;To produce qualified products on the same direction double screw extruder, the process requirement of product needs to be met, i. e. screw needs to have temperature control function in plastic production, and traditional screw does not have temperature control function, which brings inconvenience for use. CONTENT OF UTILITY MODEL

[0003] The utility model is to provide a kind of temperature control double mixing core shaft, to solve the problem raised in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of temperature control double mixing core shaft, comprising:

[0006] Connecting body, spline shaft is installed in the inside of the connecting body by spline sleeve, one end of the spline shaft is provided with screw connecting head inside, one end of screw connecting head extends to the outside of spline shaft, water inlet pipe is installed in the inside of screw connecting head, oil outlet and oil inlet are respectively arranged in the side of spline shaft, connecting sleeve is arranged in the outer end of spline shaft, cooling oil outlet connector and cooling oil inlet connector are respectively installed in the side of connecting sleeve, the cooling oil outlet connector is communicated with the oil outlet, for the outside cooling oil to enter the inside of spline shaft, the cooling oil inlet connector is communicated with the oil inlet, for cooling oil to flow out, sealing gland is arranged in the both sides of connecting sleeve, one side of connecting sleeve is connected with fixed plate by connecting piece, to play the role of fixed connecting sleeve, prevent rotating with spline shaft during use, since two screws are connected with fixed plate, connecting sleeve cannot rotate.

[0007] Preferably, the water inlet pipe is connected with the screw connecting head by cylindrical pin, to realize installation and fixation.

[0008] Preferably, screw cap is installed in one end of the screw connecting head, O-shaped rubber sealing ring one is arranged between the screw connecting head and the spline shaft, to play the role of sealing.

[0009] Preferably, sealing packing ring is arranged in the outer end of the spline shaft, the sealing packing ring is located in the inside of the side plate of the connecting body, and the sealing packing ring is provided with gland one on one side.

[0010] Preferably, the sealing gland and the connecting sleeve are connected by a connecting screw, achieving installation and fixation, and the connecting piece is a fixing screw, achieving installation and fixation.

[0011] Preferably, the connecting sleeve and the spline mandrel are further provided with an O-shaped rubber sealing ring two, achieving sealing, and the outer side of the connecting sleeve is further provided with an oil seal, which is a double-lip skeleton oil seal, and the oil seal is located on the inner side of the sealing gland.

[0012] Preferably, the outer end of the spline mandrel is connected with a stop ring through a screw, the stop ring is located on the outer side of the sealing gland, and a thrust washer is arranged between the sealing gland and the stop ring, achieving limiting of the sealing gland.

[0013] Preferably, one end of the spline sleeve is connected with the connecting body through a hat, and a split ring is arranged between the spline sleeve and the hat.

[0014] Preferably, the other end of the spline mandrel is provided with an adjusting pad.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The mold temperature machine is provided with a cooling oil inlet joint, a water inlet pipe, a screw connecting head, a spline mandrel, a cooling oil outlet joint and a cooling oil circulation device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the connecting body of the utility model;

[0019] Figure 3 It is a sectional view of the spline mandrel of the utility model;

[0020] Figure 4 It is a sectional view of the screw connecting head of the utility model;

[0021] Figure 5 It is a sectional view of the water inlet pipe of the utility model;

[0022] Figure 6 It is a sectional view of the spline sleeve of the utility model;

[0023] Figure 7 It is the inside structure schematic view of the connecting sleeve of the utility model;

[0024] Figure 8 It is the side view of the connecting sleeve of the utility model;

[0025] Figure 9 It is the top view of the fixed plate of the utility model;

[0026] In the drawing: 1, nut; 2, O type rubber seal ring one; 3, screw rod connector; 4, cylindrical pin; 5, water inlet pipe; 6, spline mandrel; 7, sealing packing ring; 8, gland one; 9, connecting body; 10, fixed screw; 11, cooling oil outlet joint; 12, cooling oil inlet joint; 13, fixed plate;

[0027] 15, O type rubber seal ring two; 16, connecting sleeve; 17, connecting screw; 18, oil seal; 19, sealing gland; 20, adjusting pad; 21, cap; 22, split ring; 23, spline sleeve; 24, stop ring; 25, thrust washer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Embodiment:

[0030] Please refer to Figures 1-9 As shown in the figure, a temperature control double mixing mandrel includes:

[0031] The connecting body 9 is internally provided with the spline mandrel 6 through the spline sleeve 23, one end of the spline mandrel 6 is internally provided with the screw rod connector 3, one end of the screw rod connector 3 extends to the outside of the spline mandrel 6, the inside of the screw rod connector 3 is internally provided with the water inlet pipe 5, one side of the spline mandrel 6 is respectively provided with an oil outlet and an oil inlet, the outer end of the spline mandrel 6 is provided with the connecting sleeve 16, one side of the connecting sleeve 16 is respectively provided with the cooling oil outlet joint 11 and the cooling oil inlet joint 12, the cooling oil outlet joint 11 is communicated with the oil outlet, for the external cooling oil to enter the inside of the spline mandrel 6, the cooling oil inlet joint 12 is communicated with the oil inlet, for the cooling oil to flow out, both sides of the connecting sleeve 16 are provided with the sealing gland 19, one side of the connecting sleeve 16 is connected with the fixed plate 13 through the connecting piece, plays the role of fixing the connecting sleeve 16, prevents from rotating with the spline mandrel 6 during use, since the fixed plate 13 is connected with two screw rods, the connecting sleeve 16 will not rotate.

[0032] Reference Figures 1-9 As shown, the water inlet pipe 5 is connected with the screw connecting head 3 through the cylindrical pin 4, realizing installation and fixation.

[0033] Reference Figures 1-9 As shown, the screw connecting head 3 is installed with the nut 1 at one end, and the O-shaped rubber sealing ring 2 is arranged between the screw connecting head 3 and the spline mandrel 6, playing a sealing role.

[0034] Reference Figures 1-9 As shown, the outer end of the spline mandrel 6 is provided with the sealing packing ring 7, which is located inside the side plate of the connecting body 9, and one side of the sealing packing ring 7 is provided with the gland 8.

[0035] Reference Figures 1-9 As shown, the sealing gland 19 is connected with the connecting sleeve 16 through the connecting screw 17, realizing installation and fixation, and the connecting piece is provided as the fixing screw 10, realizing installation and fixation.

[0036] Reference Figures 1-9 As shown, the O-shaped rubber sealing ring 2 is further installed between the connecting sleeve 16 and the spline mandrel 6, playing a sealing role, and the oil seal 18 is further arranged on the outer side of the connecting sleeve 16, which is provided as the double-lip skeleton oil seal 18, and the oil seal 18 is located on the inner side of the sealing gland 19.

[0037] Reference Figures 1-9 As shown, the outer end of the spline mandrel 6 is connected with the stop ring 24 through the screw, and the stop ring 24 is located on the outer side of the sealing gland 19. The sealing gland 19 and the stop ring 24 are provided with the thrust washer 25, playing a limiting role on the sealing gland 19, preventing the axial movement of the connecting sleeve 16.

[0038] Reference Figures 1-9 As shown, one end of the spline sleeve 23 is connected with the connecting body 9 through the cap 21, and the spline sleeve 23 and the cap 21 are provided with the split ring 22.

[0039] Reference Figures 1-9 As shown, the other end of the spline mandrel 6 is provided with the adjusting pad 20.

[0040] The mold temperature machine enters the cooling oil from the cooling oil inlet joint 12, which enters the water inlet pipe 5 and then flows out from the hole at the front end of the screw connecting head 3, enters the inside of the spline mandrel 6, and then enters the cooling oil outlet joint 11 from the oil outlet of the spline mandrel 6 and flows out, realizing temperature control through the cooling oil circulation. When the spline mandrel 6 rotates, the connecting sleeve 16 on the two screws is fixed by the fixed plate 13, so that the connecting sleeve 16 does not rotate, and thus it can be used on the double-screw extruder, and the temperature-controllable screw can meet the specific plastic processing technology requirements.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A temperature-controlled dual-mixing core shaft, characterized by, The utility model relates to a screw rod cooling device, including: The inside of connecting body (9) is installed with spline core shaft (6) through spline sleeve (23), and one end of spline core shaft (6) is internally provided with screw rod connector (3), the inside of screw rod connector (3) is installed with water inlet pipe (5), and the one side of spline core shaft (6) is opened with oil outlet and oil inlet respectively, and the outer end of spline core shaft (6) is provided with connecting sleeve (16), and the one side of connecting sleeve (16) is installed with cooling oil outlet connector (11) and cooling oil inlet connector (12) respectively, and both sides of connecting sleeve (16) are provided with sealing gland (19), and the one side of connecting sleeve (16) is connected with fixed plate (13) through connecting piece.

2. The temperature-controlled dual-mixing core shaft of claim 1, wherein: The water inlet pipe (5) is connected with the screw rod connector (3) through the cylindrical pin (4).

3. The temperature-controlled dual-mixing core shaft of claim 2, wherein: One end of the screw rod connector (3) is provided with a nut (1), and an O-shaped rubber sealing ring (2) is arranged between the screw rod connector (3) and the spline core shaft (6).

4. The temperature-controlled dual-mixing core shaft of claim 3, wherein: The outer end of the spline core shaft (6) is provided with a sealing packing ring (7), which is located in the inside of the side plate of the connecting body (9), and the one side of the sealing packing ring (7) is provided with a gland (8).

5. The temperature-controlled dual-mixing core shaft of claim 4, wherein: The sealing gland (19) and the connecting sleeve (16) are connected by connecting screws (17), and the connecting piece is provided as a fixing screw (10).

6. A temperature controlled dual-mixing core shaft as claimed in claim 5, wherein: The connecting sleeve (16) and the spline core shaft (6) are further provided with an O-shaped rubber sealing ring (15), and the outer side of the connecting sleeve (16) is further provided with an oil seal (18), which is located on the inner side of the sealing gland (19).

7. The temperature-controlled dual-mixing core shaft of claim 6, wherein: The outer end of the spline core shaft (6) is connected with a stop ring (24) through a screw, and the stop ring (24) is located on the outer side of the sealing gland (19), and the sealing gland (19) and the stop ring (24) are provided with a thrust washer (25) therebetween.

8. The temperature-controlled dual-mixing core shaft of claim 7, wherein: One end of the spline sleeve (23) is connected with the connecting body (9) through a cap (21), and the spline sleeve (23) and the cap (21) are provided with a split ring (22) therebetween.

9. The temperature-controlled dual-mixing core shaft of claim 8, wherein: The other end of the spline core shaft (6) is provided with an adjusting pad (20).

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