Double-bolt locking device of internal mixer

Abstract

The double-bolt locking device comprises an internal mixing tank, supporting legs are fixedly connected to the two ends of the two sides of the bottom of the internal mixing tank, a rotating roller is movably connected to the interior of the internal mixing tank, a driving motor is fixedly connected to one side of the internal mixing tank, and the driving motor is fixedly connected to the other side of the internal mixing tank. And the output end of the driving motor penetrates through one side of the internal mixing tank and is fixedly connected with a rotating roller. According to the double-bolt locking device of the internal mixer, material blocking plates are arranged, before machining is conducted, a first air cylinder is started to push the material blocking plates to move through a connecting plate, the two material blocking plates are attached together and block the bottom of a discharging opening, and then a second air cylinder is started to push a lifting plate to rise; when the lifting plate ascends, the positioning bolts at the two ends are driven to penetrate through the interiors of the through holes and then are inserted into the positioning slots, so that the material blocking plates are positioned through the positioning slots, material leakage caused by gaps between the material blocking plates in the machining process is prevented, and the problem that the material leakage phenomenon is likely to occur is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of internal mixers, in particular to a double-pin locking device for an internal mixer. Background Technique

[0002] An internal mixer is a large device used for rubber processing. Inside, there is a set of oppositely rotating drums that can plasticate and mix rubber raw materials. It plays a very important role in the rubber processing field and directly affects the quality of the processed rubber.

[0003] However, there are still some defects in the current internal mixer during operation. During the processing, the bottom cover plate is prone to gaps under the influence of material extrusion, resulting in material leakage, which affects the processing effect of rubber.

[0004] Now, a new double-pin locking device for an internal mixer is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a double-pin locking device for an internal mixer to solve the problem of easy material leakage mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A double-pin locking device for an internal mixer, including an internal mixing tank. At both ends of the two sides of the bottom of the internal mixing tank, there are fixedly connected legs. Inside the internal mixing tank, there is a rotatable roller. On one side of the internal mixing tank, there is a fixedly connected driving motor. The output end of the driving motor penetrates through one side of the internal mixing tank and is fixedly connected to the roller. At the bottom end of the internal mixing tank, there is a positioning structure for preventing material leakage.

[0007] The positioning structure includes a material blocking plate. On both sides of the bottom of the internal mixing tank, there is respectively a set of rotatable material blocking plates. At the bottom end of the material blocking plate, there is a rotatable cross plate. At the bottom end of the cross plate, there is a fixedly connected mounting bracket. At the bottom end of the mounting bracket, there is a fixedly connected second cylinder. The output end of the second cylinder extends into the inside of the mounting bracket and is fixedly connected to a lifting plate. At both ends of the top of the lifting plate, there are fixedly connected positioning pins. At both ends of the bottom of the material blocking plate, there are opened positioning slots. At both ends of the bottom of the cross plate, there are opened through holes.

[0008] Preferably, the positioning pin penetrates through the through hole and extends into the inside of the positioning slot, and the positioning pin is rotatably connected with the positioning slot.

[0009] Preferably, the lifting plate is rotatably connected with the cross plate, and the center line of the through hole and the center line of the positioning slot are on the same vertical plane.

[0010] Preferably, a support frame is fixedly connected to the top end of the internal mixer tank. A hydraulic cylinder is fixedly connected to the top end of the support frame. The output end of the hydraulic cylinder extends into the interior of the support frame and is fixedly connected to a cover plate. A support frame is fixedly connected to the bottom end of the cover plate. A sealing ring is fixedly connected to the outside of the support frame.

[0011] Preferably, the sealing ring is movably connected to the internal mixer tank, and the cover plate is movably connected to the internal mixer tank.

[0012] Preferably, a connecting plate is fixedly connected to one side of the blanking plate. Fixed plates are fixedly connected to both sides of the bottom of the internal mixer tank. A first cylinder is fixedly connected to one side of the fixed plate. L-shaped support plates are fixedly connected to both ends of the bottom of the internal mixer tank.

[0013] Preferably, the L-shaped support plate is slidably connected to the blanking plate, and the output end of the first cylinder passes through the fixed plate and is fixedly connected to the connecting plate.

[0014] Preferably, the L-shaped support plate is fixedly connected to the cross plate, and the connecting plate is slidably connected to the internal mixer tank.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The double-pin locking device of this internal mixer not only prevents the occurrence of material leakage, realizes automatic control of the switch, but also prevents the bottom cover from shaking;

[0016] (1) By providing a blanking plate, a mounting frame, a second cylinder, a cross plate, a lifting plate, a positioning pin, a positioning slot and a through hole, before processing, start the first cylinder to push the blanking plate to move through the connecting plate, so that the two blanking plates are attached together and block the bottom of the discharge port. Then start the second cylinder to push the lifting plate to rise. While the lifting plate rises, it drives the positioning pins at both ends to pass through the inside of the through hole and insert into the inside of the positioning slot, thereby positioning the blanking plate through the positioning slot to prevent gaps from appearing between the blanking plates during processing and causing material leakage, realizing the effective prevention of material leakage;

[0017] (2) By providing a support frame, a hydraulic cylinder, a support frame, a cover plate and a sealing ring, before processing, start the hydraulic cylinder to drive the cover plate to rise to facilitate the introduction of rubber raw materials into the internal mixer tank. Then start the hydraulic cylinder to push the cover plate to descend and fit on the top end of the internal mixer tank. At the same time, the sealing ring fits on the inner wall of the internal mixer tank to ensure the sealing performance. The support frame at the bottom of the cover plate supports the sealing ring to further improve the sealing effect, realizing automatic control of the device switch and ensuring the sealing performance;

[0018] (3) By setting up a first cylinder, a fixed plate, an L-shaped support plate, a blanking plate, a connecting plate and a cross plate, during processing, the L-shaped support plate and the cross plate located at the bottom of the internal mixer can be attached to the bottom of the blanking plate to effectively support the blanking plate, making the blanking plate closely attached to the bottom end of the internal mixer, thereby improving the stability of the blanking plate. And when it is necessary to open the blanking plate, the L-shaped support plate can limit the position of the blanking plate to prevent the blanking plate from shaking and affecting the processing effect, achieving the effective guarantee of the stability of the blanking plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0020] Figure 2 It is a side view structure schematic diagram of the L-shaped support plate of the present utility model;

[0021] Figure 3 For the present utility model Figure 1 The enlarged structure schematic diagram at A in;

[0022] Figure 4 It is a bottom view sectional structure schematic diagram of the cross plate of the present utility model.

[0023] In the figure: 1, internal mixer; 2, driving motor; 3, roller; 4, support frame; 5, hydraulic cylinder; 6, support frame; 7, cover plate; 8, sealing ring; 9, first cylinder; 10, fixed plate; 11, leg; 12, L-shaped support plate; 13, blanking plate; 14, connecting plate; 15, mounting bracket; 16, second cylinder; 17, cross plate; 18, lifting plate; 19, positioning pin; 20, positioning slot; 21, through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-4 , a double-pin locking device for a mixer, including an internal mixer 1, legs 11 are fixedly connected to both ends of both sides of the bottom of the internal mixer 1, a roller 3 is movably connected inside the internal mixer 1, a driving motor 2 is fixedly connected to one side of the internal mixer 1, and the output end of the driving motor 2 penetrates through one side of the internal mixer 1 and is fixedly connected to the roller 3. A positioning structure for preventing material leakage is provided at the bottom end of the internal mixer 1;

[0026] The positioning structure includes a blanking plate 13. A group of blanking plates 13 are movably connected to both sides of the bottom of the internal mixer 1 respectively. The bottom end of the blanking plate 13 is movably connected to a cross plate 17. The bottom end of the cross plate 17 is fixedly connected to a mounting bracket 15. The bottom end of the mounting bracket 15 is fixedly connected to a second cylinder 16. The output end of the second cylinder 16 extends into the mounting bracket 15 and is fixedly connected to a lifting plate 18. Both ends of the top of the lifting plate 18 are fixedly connected to positioning pins 19. Both ends of the bottom of the blanking plate 13 are provided with positioning slots 20. Both ends of the bottom of the cross plate 17 are provided with through holes 21;

[0027] The positioning pin 19 passes through the through hole 21 and extends into the positioning slot 20. The positioning pin 19 is movably connected to the positioning slot 20;

[0028] The lifting plate 18 is movably connected to the cross plate 17. The center line of the through hole 21 and the center line of the positioning slot 20 are on the same vertical plane;

[0029] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, before processing, start the first cylinder 9 to push the blanking plate 13 to move through the connecting plate 14, so that the two blanking plates 13 are attached together and block the bottom of the discharge port. Then start the second cylinder 16 to push the lifting plate 18 to rise. When the lifting plate 18 rises, it drives the positioning pins 19 at both ends to pass through the inside of the through hole 21 and insert into the inside of the positioning slot 20, thereby positioning the blanking plate 13 through the positioning slot 20, preventing gaps from appearing between the blanking plates 13 during processing and causing material leakage, and realizing the effective prevention of material leakage.

[0030] Embodiment 2: A support frame 4 is fixedly connected to the top end of the internal mixer 1. A hydraulic cylinder 5 is fixedly connected to the top end of the support frame 4. The output end of the hydraulic cylinder 5 extends into the support frame 4 and is fixedly connected to a cover plate 7. The bottom end of the cover plate 7 is fixedly connected to a support frame 6. A sealing ring 8 is fixedly connected to the outside of the support frame 6;

[0031] The sealing ring 8 is movably connected to the internal mixer 1. The cover plate 7 is movably connected to the internal mixer 1;

[0032] Specifically, as Figure 1 shown, before processing, start the hydraulic cylinder 5 to drive the cover plate 7 to rise to facilitate the introduction of rubber raw materials into the internal mixer 1. Then start the hydraulic cylinder 5 again to push the cover plate 7 to descend and fit on the top end of the internal mixer 1. At the same time, the sealing ring 8 fits on the inner wall of the internal mixer 1 to ensure the sealing performance. The support frame 6 at the bottom of the cover plate 7 supports the sealing ring 8 to further improve the sealing effect, realizing the automatic control of the device switch and ensuring the sealing performance.

[0033] Embodiment 3: One side of the material blocking plate 13 is fixedly connected with a connecting plate 14. Both sides of the bottom of the internal mixer 1 are fixedly connected with fixing plates 10. One side of the fixing plate 10 is fixedly connected with a first cylinder 9. Both ends of the bottom of the internal mixer 1 are fixedly connected with L-shaped support plates 12;

[0034] The L-shaped support plate 12 is slidably connected with the material blocking plate 13. The output end of the first cylinder 9 penetrates through the fixing plate 10 and is fixedly connected with the connecting plate 14;

[0035] The L-shaped support plate 12 is fixedly connected with the cross plate 17. The connecting plate 14 is slidably connected with the internal mixer 1;

[0036] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, during processing, the L-shaped support plate 12 and the cross plate 17 located at the bottom of the internal mixer 1 are attached to the bottom of the material blocking plate 13, which can effectively support the material blocking plate 13 and make the material blocking plate 13 closely attached to the bottom end of the internal mixer 1, thereby improving the stability of the material blocking plate 13. And when the material blocking plate 13 needs to be opened, the L-shaped support plate 12 can limit the position of the material blocking plate 13 to prevent the material blocking plate 13 from shaking and affecting the processing effect, realizing the effective guarantee of the stability of the material blocking plate 13.

[0037] Working principle: When the utility model is in use, before processing, start the hydraulic cylinder 5 to drive the cover plate 7 to rise to facilitate the introduction of rubber raw materials into the internal mixer 1. Then start the hydraulic cylinder 5 to push the cover plate 7 to descend and fit on the top end of the internal mixer 1. At the same time, the sealing ring 8 fits on the inner wall of the internal mixer 1 to ensure the sealing performance. The support frame 6 at the bottom of the cover plate 7 supports the sealing ring 8 to further improve the sealing effect. Before processing, start the first cylinder 9 to push the material blocking plate 13 to move through the connecting plate 14, so that the two material blocking plates 13 are attached together and block the bottom of the discharge port. Then start the second cylinder 16 to push the lifting plate 18 to rise. When the lifting plate 18 rises, it drives the positioning pins 19 at both ends to pass through the inside of the through holes 21 and insert into the inside of the positioning slots 20, thereby positioning the material blocking plate 13 through the positioning slots 20 to prevent gaps from appearing between the material blocking plates 13 during processing and causing material leakage. During processing, the L-shaped support plate 12 and the cross plate 17 located at the bottom of the internal mixer 1 are attached to the bottom of the material blocking plate 13, which can effectively support the material blocking plate 13 and make the material blocking plate 13 closely attached to the bottom end of the internal mixer 1, thereby improving the stability of the material blocking plate 13. And when the material blocking plate 13 needs to be opened, the L-shaped support plate 12 can limit the position of the material blocking plate 13 to prevent the material blocking plate 13 from shaking and affecting the processing effect.

Claims

1. A double-pin locking device for an internal mixer, comprising an internal mixer tank (1), characterized in that: The two ends of the bottom of the internal mixing tank (1) are fixedly connected with supporting legs (11), the internal of the internal mixing tank (1) is movably connected with a roller (3), one side of the internal mixing tank (1) is fixedly connected with a driving motor (2), the output end of the driving motor (2) passes through one side of the internal mixing tank (1) and is fixedly connected with the roller (3), and the bottom end of the internal mixing tank (1) is provided with a positioning structure for preventing material leakage; The positioning structure comprises a blocking plate (13), and a group of blocking plates (13) are movably connected to both sides of the bottom of the mixing tank (1), and the bottom end of the blocking plate (13) is movably connected to a transverse plate (17), and the bottom end of the transverse plate (17) is fixedly connected to a mounting frame (15), and the bottom end of the mounting frame (15) is fixedly connected to a second cylinder (16), and the output end of the second cylinder (16) extends to the inside of the mounting frame (15) and is fixedly connected to a lifting plate (18), and the two ends of the top of the lifting plate (18) are fixedly connected to positioning pins (19), and the two ends of the bottom of the blocking plate (13) are provided with positioning slots (20), and the two ends of the bottom of the transverse plate (17) are provided with through holes (21).

2. A double latch locking device for an internal mixer according to claim 1, characterized in that: The positioning pin (19) passes through the through hole (21) and extends to the interior of the positioning slot (20), and the positioning pin (19) is movably connected to the positioning slot (20).

3. A double latch locking device for an internal mixer according to claim 1, characterized in that: The lifting plate (18) is movably connected to the horizontal plate (17), and the center line of the through hole (21) and the center line of the positioning slot (20) are on the same vertical plane.

4. A double latch locking device for an internal mixer according to claim 1, characterized in that: The top of the mixing tank (1) is fixedly connected to a support frame (4), the top of the support frame (4) is fixedly connected to a hydraulic cylinder (5), the output end of the hydraulic cylinder (5) extends to the inside of the support frame (4) and is fixedly connected to a cover plate (7), the bottom end of the cover plate (7) is fixedly connected to a support frame (6), and the outside of the support frame (6) is fixedly connected to a sealing ring (8).

5. A double latch locking device for an internal mixer according to claim 4, characterized in that: The sealing ring (8) is movably connected to the internal mixing tank (1), and the cover plate (7) is movably connected to the internal mixing tank (1).

6. A double latch locking device for an internal mixer according to claim 1, characterized in that: One side of the blocking plate (13) is fixedly connected to a connecting plate (14), both sides of the bottom of the mixing tank (1) are fixedly connected to fixing plates (10), one side of the fixing plate (10) is fixedly connected to a first cylinder (9), and both ends of the bottom of the mixing tank (1) are fixedly connected to L-shaped support plates (12).

7. A double latch locking device for an internal mixer according to claim 6, characterized in that: The L-shaped support plate (12) is slidably connected to the blocking plate (13), and the output end of the first cylinder (9) passes through the fixing plate (10) and is fixedly connected to the connecting plate (14).

8. A double latch locking device for an internal mixer according to claim 6, characterized in that: The L-shaped support plate (12) is fixedly connected to the transverse plate (17), and the connecting plate (14) is slidably connected to the mixing tank (1).

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