Ejection structure of rubber Mooney viscosity testing machine

Abstract

The utility model discloses an ejection structure of a rubber Mooney viscosity testing machine, which comprises a base, a motor transmission shaft is arranged on the base, and a rotor transmission shaft is arranged on the motor transmission shaft; the rotor is in transmission connection with the rotor transmission shaft, and a first clamping groove is formed in the lower end, away from the rotor, of the rotor transmission shaft; the rotor transmission shaft is sleeved with a jacking plate, the jacking plate is provided with a jacking block corresponding to the first clamping groove in a matched mode, and the jacking block is arranged in the first clamping groove in an embedded and clamped mode. An upper push block is arranged below the ejector plate and arranged on the rotor transmission shaft in a sleeving mode. A motor transmission shaft is arranged below the rotor transmission shaft, a transmission disc is arranged between the motor transmission shaft and the rotor transmission shaft, a first double-protruding column corresponding to the first clamping groove in a matched mode is arranged on the surface of the transmission disc, and the first double-protruding column is clamped in the first clamping groove. According to the device, the rotor is rapidly ejected out, the rotor is rapidly taken out after being jacked up, waste glue is removed after the rotor is taken out of the mold cavity, and the device is rapid, convenient, safe and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection equipment, and mainly relates to a rotor ejection structure on a rubber Mooney viscosity testing device. Background Art

[0002] The rubber Mooney viscosity tester is used to measure the viscosity and scorch of raw rubber or mixed rubber. Mooney viscosity reflects the rubber's processing properties, molecular weight, and distribution range. High Mooney viscosity indicates that the rubber is difficult to mix evenly and difficult to extrude; it has a high molecular weight and a wide distribution range. Low Mooney viscosity indicates that the rubber is prone to sticking to the roller; it has a low molecular weight and a narrow distribution range. Excessively low Mooney viscosity results in low tensile strength of the vulcanized product. The Mooney viscosity-time curve also reflects the vulcanization process performance of the rubber.

[0003] The Rubber Mooney Viscosity Tester measures the flow properties of rubber. During the test, a rubber sample is placed on the rotor, held within the upper and lower mold cavities while being heated. As the rotor rotates, it exerts a torque on the cavity material, pushing the rubber layer close to the rotor to flow. This forces the rubber material within the cavity to react, which is measured by a torque sensor mounted on the motor mount below the cavity to obtain the rubber flow parameters. When testing the next set of samples, the rotor must be cleaned of waste material before a new rubber sample is placed. Because the test requires heating, the rotor is close to the mold cavity, resulting in limited operating space and high temperatures. Manual removal is currently a risk of burning hands, making sample change (discharging) inconvenient and unsafe. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model provides an ejection structure of a rubber Mooney viscosity testing machine, which aims to quickly eject the rotor, lift the rotor up and quickly take it out, and then discharge the material, which is fast, convenient, safe and reliable.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rubber Mooney viscosity tester ejection structure includes a base, a motor drive shaft is provided on the base, a rotor drive shaft is provided on the motor drive shaft; a rotor is inserted into the upper portion of the rotor drive shaft, the rotor is in transmission connection with the rotor drive shaft, and a first clamping groove is formed at the lower end of the rotor drive shaft away from the rotor; an ejection plate is sleeved on the rotor drive shaft, an ejection block is provided on the ejection plate and matches the first clamping groove, and the ejection block is embedded in the first clamping groove;

[0007] An upper push block is provided under the ejector plate and is sleeved on the rotor transmission shaft;

[0008] A motor drive shaft is provided below the rotor drive shaft, and a drive plate is provided between the motor drive shaft and the rotor drive shaft. A first double convex column is provided on the surface of the drive plate, which matches the first clamping groove, and the first double convex column is clamped in the first clamping groove; a second double convex column is provided on the bottom surface of the drive plate, and the first double convex column and the second double convex column are staggered.

[0009] Furthermore, in some embodiments, a second clamping groove corresponding to the second double convex column is formed at one end of the motor transmission shaft close to the transmission disk, and the second double convex column is clamped in the second clamping groove.

[0010] Furthermore, in some embodiments, the first double convex columns and the second double convex columns on both sides of the transmission disk are perpendicular to each other and respectively engage with the first clamping grooves and the second clamping grooves on both sides, and the center lines of the first double convex columns and the second double convex columns pass through the center of the transmission disk respectively.

[0011] Furthermore, in some embodiments, the motor transmission shaft is arranged below the base, and the rotor transmission shaft is arranged above the base.

[0012] Furthermore, in some embodiments, the outer diameter of the ejector plate is larger than the outer diameter of the rotor transmission shaft, a limiting bolt is provided at the bottom end of the rotor transmission shaft, the limiting bolt passes through the first clamping groove, and the limiting bolt is arranged below the ejector block.

[0013] Furthermore, in some embodiments, the inner diameter of the upper push block is smaller than the outer diameter of the ejector plate, and the bottom surface of the ejector plate is arranged adjacent to the surface of the upper push block.

[0014] Furthermore, in some embodiments, a pneumatic cylinder is provided below the base, and the top end of the piston rod of the pneumatic cylinder is provided on the push-up block.

[0015] Furthermore, in some embodiments, a motor is provided below the motor transmission shaft, and the motor is in transmission connection with the motor transmission shaft; a torque meter is provided on the outer side of the motor transmission shaft, and a torque meter positive adapter plate is provided below the torque meter, and the torque meter and the torque meter positive adapter plate are arranged adjacent to each other.

[0016] Furthermore, in some embodiments, a heat insulating sleeve is provided on the rotor transmission shaft, a rotor shaft locking screw is provided between the heat insulating sleeve and the rotor transmission shaft, and the bottom end of the rotor passes through the heat insulating sleeve and is inserted into the rotor transmission shaft.

[0017] The present application uses a pneumatic cylinder to lift the push block → the push plate → the rotor, lift the rotor, and quickly take it out after lifting it up. After the rotor is taken out of the membrane cavity, the waste rubber is cleaned, and the rotor is inserted again after the rubber is cleaned, and a new rubber sample is placed. It is safe, convenient, and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of an embodiment of the utility model;

[0019] Figure 2 This is a schematic structural diagram of an embodiment of the present utility model;

[0020] Figure 3 This is a cross-sectional structural diagram of an embodiment of the present utility model;

[0021] Figure 4 This is an exploded schematic diagram of the transmission disc portion of an embodiment of the present utility model;

[0022] Figure 5 This is a schematic diagram of the assembly of the ejector plate portion of an embodiment of the present utility model;

[0023] Figure 6 It is a cross-sectional schematic diagram of the ejector plate portion of an embodiment of the present utility model.

[0024] Marking Description:

[0025] Rotor 12, push-up block 13, base 14, pneumatic cylinder 15, torque meter 16, torque meter positive adapter plate 17, motor 18, thermal insulation sleeve 21, rotor shaft lock screw 22, rotor drive shaft 23, ejector plate 24, motor drive shaft 25, limit bolt 26, drive plate 27, first clamping groove 31, ejector block 32, first double boss 33, second double boss 34, second clamping groove 35, piston rod 36. DETAILED DESCRIPTION

[0026] The embodiments and features of the embodiments in this application may be combined with each other unless there is a conflict. To further understand the features, technical means, specific objectives, and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, the following detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments will provide a further understanding of the present invention.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "front," "rear," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0028] Please refer to the accompanying drawings. The utility model includes a base 14 , on which a motor transmission shaft 25 is provided, and above which a rotor transmission shaft 23 is provided. The motor transmission shaft 25 is arranged below the base 14 , and the rotor transmission shaft 23 is arranged above the base 14 .

[0029] Furthermore, in one embodiment, the rotor 12 is inserted into the upper portion of the rotor transmission shaft 23, and the rotor 12 is transmission-connected to the rotor transmission shaft 23. A first clamping groove 31 is provided at the lower end of the rotor transmission shaft 23 away from the rotor 12; a push plate 24 is sleeved on the rotor transmission shaft 23, and the outer diameter of the push plate 24 is larger than the outer diameter of the rotor transmission shaft 23. A push block 32 is provided on the push plate 24 that matches the first clamping groove 31, and the push block 32 is embedded in the first clamping groove 31.

[0030] A limiting bolt 26 is provided at the bottom end of the rotor transmission shaft 23 . The limiting bolt 26 passes through the first clamping groove 31 . The limiting bolt 26 is disposed below the top block 32 .

[0031] An upper push block 13 is provided below the ejector plate 24 , and the upper push block 13 is sleeved on the rotor drive shaft 23 . The inner diameter of the upper push block 13 is smaller than the outer diameter of the ejector plate 24 , and the bottom surface of the ejector plate 24 is closely adjacent to the surface of the upper push block 13 .

[0032] The automatic ejection structure of the rotor 12 of the present application changes the previous manual extraction structure; the present application uses the pneumatic cylinder 15 to push up the push block 13 → the ejection plate 24 → the rotor 12, and lifts the rotor 12, which is convenient for cleaning residues and taking and placing samples.

[0033] A motor drive shaft 25 is provided below the rotor drive shaft 23, and a drive disc 27 is provided between the motor drive shaft 25 and the rotor drive shaft 23. The surface of the drive disc 27 is provided with a first double convex column 33 that matches the first clamping groove 31, and the first double convex column 33 is clamped in the first clamping groove 31; a second double convex column 34 is provided on the bottom surface of the drive disc 27, and the first double convex column 33 and the second double convex column 34 are staggered; preferably, the first double convex column 33 and the second double convex column 34 are vertically arranged.

[0034] Furthermore, in one embodiment, a second clamping groove 35 is formed at one end of the motor transmission shaft 25 close to the transmission disc 27 , and the second double convex column 34 is matched with the second clamping groove 35 . The second double convex column 34 is clamped in the second clamping groove 35 .

[0035] The first double convex columns 33 and the second double convex columns 34 on both sides of the transmission disk 27 are perpendicular to each other and respectively engage with the first clamping grooves 31 and the second clamping grooves 35 on both sides. The center lines (connecting lines) of the first double convex columns 33 and the second double convex columns 34 pass through the center of the transmission disk 27 respectively.

[0036] A pneumatic cylinder 15 is provided below the base 14 , and the top end of the piston rod 36 of the pneumatic cylinder 15 is provided on the push-up block 13 .

[0037] Furthermore, in one embodiment, a motor 18 is provided below the motor transmission shaft 25, and the motor 18 is in transmission connection with the motor transmission shaft 25; a torque meter 16 is provided on the outer side of the motor transmission shaft 25, and a torque meter positive adapter plate 17 is provided below the torque meter 16, and the torque meter 16 and the torque meter positive adapter plate 17 are arranged adjacent to each other.

[0038] Furthermore, in one embodiment, a heat insulating sleeve 21 is provided on the rotor transmission shaft 23 , a rotor shaft locking screw 22 is provided between the heat insulating sleeve 21 and the rotor transmission shaft 23 , and the bottom end of the rotor 12 passes through the heat insulating sleeve 21 and is inserted into the rotor transmission shaft 23 .

[0039] The rotor 12 quick ejection structure of the present application can lift up the rotor 12 and quickly take it out, and then discharge the material; the first clamping groove 31 at the lower part of the rotor transmission shaft 23 and the ejection block 32 passing through the center on the ejection plate 24 are engaged, and the pneumatic cylinder 15 lifts up the ejection plate 24, and then the rotor 12 is ejected following the ejection plate 24; the pneumatic cylinder 15 stops, and then the rotor transmission shaft 23 is lowered, and the first clamping groove 31 of the rotor transmission shaft 23 automatically engages (snap-fits) with the first double protrusions 33 on the transmission disk 27.

[0040] The push plate 24 and the rotor 12 are driven by the motor 18 below, and the motor transmission shaft 25 → the push plate 24 → the rotor 12 is driven to rotate.

[0041] The above embodiments only express several preferred implementation methods of the present invention, and the description thereof is relatively specific and detailed. It should be understood that the present invention is not limited to the forms disclosed herein and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge in the relevant fields, and cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention. The changes and modifications made by those in this field do not depart from the spirit and scope of the present invention, and all of these belong to the scope of protection of the claims attached to the present invention. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A rubber Mooney viscosity tester ejection structure, comprising: A base (14) is provided on the base (14), and a rotor transmission shaft (23) is provided on the motor transmission shaft (25); the characterised in that a rotor (12) is inserted into the upper part of the rotor transmission shaft (23), the rotor (12) is transmission-connected to the rotor transmission shaft (23), and a first clamping groove (31) is provided at the lower end of the rotor transmission shaft (23) away from the rotor (12); a top plate (24) is sleeved on the rotor transmission shaft (23), and a top block (32) is provided on the top plate (24) that matches the first clamping groove (31), and the top block (32) is embedded in the first clamping groove (31); An upper push block (13) is provided below the push plate (24), and the upper push block (13) is sleeved on the rotor transmission shaft (23); A motor transmission shaft (25) is provided below the rotor transmission shaft (23); a transmission disc (27) is provided between the motor transmission shaft (25) and the rotor transmission shaft (23); a first double convex column (33) matching and corresponding to the first clamping groove (31) is provided on the surface of the transmission disc (27); the first double convex column (33) is clamped in the first clamping groove (31); a second double convex column (34) is provided on the bottom surface of the transmission disc (27); the first double convex column (33) and the second double convex column (34) are staggered.

2. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: One end of the motor transmission shaft (25) close to the transmission disc (27) is provided with a second clamping groove (35) matching with the second double convex column (34), and the second double convex column (34) is clamped in the second clamping groove (35).

3. The ejection structure of a rubber Mooney viscosity tester according to claim 2, characterized in that: The first double convex columns (33) and the second double convex columns (34) on both sides of the transmission disk (27) are perpendicular to each other and respectively engage with the first clamping groove (31) and the second clamping groove (35) on both sides. The center lines of the first double convex columns (33) and the second double convex columns (34) respectively pass through the center of the transmission disk (27).

4. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: The motor transmission shaft (25) is arranged below the base (14), and the rotor transmission shaft (23) is arranged above the base (14).

5. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: The outer diameter of the ejector plate (24) is larger than the outer diameter of the rotor transmission shaft (23). A limiting bolt (26) is provided at the bottom end of the rotor transmission shaft (23). The limiting bolt (26) passes through the first clamping groove (31). The limiting bolt (26) is arranged below the ejector block (32).

6. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: The inner diameter of the upper push block (13) is smaller than the outer diameter of the push plate (24), and the bottom surface of the push plate (24) is arranged adjacent to the surface of the upper push block (13).

7. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: A pneumatic cylinder (15) is provided below the base (14), and the top end of the piston rod (36) of the pneumatic cylinder (15) is provided on the upper push block (13).

8. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: A motor (18) is provided below the motor transmission shaft (25), and the motor (18) is transmission-connected to the motor transmission shaft (25); a torque meter (16) is sleeved on the outer side of the motor transmission shaft (25), and a torque meter positive transfer plate (17) is provided below the torque meter (16), and the torque meter (16) and the torque meter positive transfer plate (17) are arranged adjacent to each other.

9. The ejection structure of a rubber Mooney viscosity tester according to claim 1, characterized in that: A heat-insulating sleeve (21) is provided on the rotor transmission shaft (23), a rotor shaft locking screw (22) is provided between the heat-insulating sleeve (21) and the rotor transmission shaft (23), and the bottom end of the rotor (12) passes through the heat-insulating sleeve (21) and is inserted into the rotor transmission shaft (23).

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