Raw material pulling device for rubber processing

Abstract

The utility model discloses a raw material drawing device for rubber processing, which relates to the technical field of rubber processing and comprises a support frame, a connecting frame is slidably connected in the support frame, a second extrusion roller is rotatably connected in the support frame, a first extrusion roller is rotatably connected at the bottom of the connecting frame, and the second extrusion roller is positioned under the first extrusion roller. The raw material pulling device for rubber processing comprises a connecting frame, a supporting frame is arranged on the connecting frame, a lifting mechanism for adjusting lifting of the connecting frame is arranged on the supporting frame, connecting rods are rotationally connected to one side of the connecting frame and one side of the supporting frame, and the two connecting rods are symmetrically arranged up and down. In this way, when the distance between the first extrusion roller and the second extrusion roller is adjusted, the first extrusion roller and the second extrusion roller are always in a mutual linkage relation, large axial force can be avoided through the arrangement of the straight gear, abrasion and noise of related extrusion roller transmission mechanisms can be reduced, and the service life of the related extrusion roller transmission mechanisms can be effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber processing, in particular to a raw material drawing device for rubber processing. Background Art

[0002] Rubber is a highly elastic polymer material with reversible deformation. It is highly elastic at room temperature and can deform significantly under minimal external force, returning to its original shape upon removal. Rubber is a completely amorphous polymer. After production, rubber requires drawing and extrusion, necessitating the use of a raw material drawing device for rubber processing.

[0003] After extensive searching, it was found that: China Utility Model Patent Column: Publication No. CN219788959U discloses a rubber pulling device, which relates to the field of rubber conveying and processing technology; and the utility model includes a support frame, wherein the support frame has an internal thread through which a threaded rod is inserted, and a connecting frame is rotatably provided at the end of the threaded rod;

[0004] In the above scheme, although there are many benefits, the transmission is carried out by meshing the tooth column and the tooth disc, and the tooth surface will change into an angle, so it is easy to generate a large axial force during meshing, and it will also cause large wear and noise; if the raw material pulling device is used for a long time, the wear between the tooth column and the tooth disc will increase, thereby reducing its service life. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material pulling device for rubber processing, so as to solve the problem of low service life of the transmission mechanism used in the current raw material pulling device proposed in the prior art.

[0006] The transmission mechanism that this second roller is connected with this second roller is that the second end of this second roller is connected with this second roller, and the transmission mechanism that this second roller is connected with this second roller is that the second end of this second roller is connected with this second roller.

[0007] Preferably, an arc groove is opened on one side of the support frame, an arc block is slidably connected in the arc groove, and the arc block is fixedly connected to one side of the connecting plate.

[0008] Preferably, a through-type wire groove is opened on both sides of the connecting frame, and a through-type sliding opening is formed on the inner wall of the wire groove on the right side. A slider is slidably connected in the wire groove, and the slider is fixedly connected to one side of the connecting frame. The shaft rod at one end of the first extrusion roller is located in the sliding opening cavity.

[0009] Preferably, the lifting mechanism includes a threaded rod fixedly connected to the top of the connecting frame, the outer thread sleeve of the threaded rod is provided with a threaded ring, the threaded ring is rotatably connected to the top of the support frame, and the top of the support frame is provided with a through opening that is slidably connected to the threaded rod.

[0010] Preferably, one side of the support frame is rotatably connected to a vertical rod, the horizontal cross-section of the vertical rod is a hexagonal structure, the outer sides of the vertical rod and the threaded ring are fixedly sleeved with a third rotating belt, and a second chain is transmission-connected between the two third rotating belts, and the outer side of the vertical rod is slidingly sleeved with a sleeve, and a through-type hexagonal groove is opened at the top of the sleeve, and the hexagonal groove is slidably connected to the vertical rod, and a movable plate is rotatably sleeved on the outer side of the sleeve, and the movable plate contacts one side of the support frame, and a rocker is rotatably connected to one side of the movable plate, and the outer sides of the sleeve and the rocker are fixedly sleeved with bevel gears, and the two bevel gears are meshed with each other.

[0011] Preferably, a through threaded hole is opened on one side of the movable plate, a limit rod is threadedly connected to the threaded hole, and a movable end of the limit rod is in contact with the side wall of the support frame.

[0012] Preferably, two support plates are fixedly connected to one side of the support frame, and a wave assembly is rotatably connected between the two support plates.

[0013] Preferably, a servo motor is installed on one side of the support frame and one side of the support plate. The two movable shafts of the servo motor are fixedly connected to the end of the second extrusion roller and the end of the wave component respectively. The servo motor is electrically connected to the power supply. The servo motor used in this application is a purchased part, which is selected according to the power and size requirements. The system for controlling the switch adopts the module provided by the corresponding merchant, and this application will not go into details.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The present application sets a connecting rod and a spur gear, so that when adjusting the distance between the first extrusion roller and the second extrusion roller, the two are always in a mutually linked relationship, and the setting of the spur gear can avoid the generation of a large axial force, thereby reducing the wear and noise of the extrusion roller transmission-related mechanism, thereby effectively improving the service life of the extrusion roller transmission-related mechanism.

[0016] 2. This application provides vertical rods and movable plates, so that the height of the movable plates can be adjusted accordingly according to the convenience of the staff's operating height, thereby effectively improving the convenience and comfort of adjusting the connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of an overall raw material drawing device for rubber processing according to the present invention;

[0018] Figure 2 This is a three-dimensional schematic diagram of the coordination of the first squeezing roller, the connecting frame, and the second squeezing roller of a raw material drawing device for rubber processing according to the present invention;

[0019] Figure 3 This is a three-dimensional schematic diagram of a support frame of a raw material pulling device for rubber processing according to the present invention;

[0020] Figure 4 This is a three-dimensional schematic diagram of the coordination of a vertical rod, a threaded ring and a movable plate of a raw material pulling device for rubber processing according to the present invention.

[0021] Numbers in the figure: 1. Support frame; 2. Connecting frame; 3. First extrusion roller; 4. Second extrusion roller; 5. Connecting rod; 6. Connecting plate; 7. Spur gear; 8. First chain; 9. Arc groove; 10. Wire groove; 11. Threaded rod; 12. Threaded ring; 13. Limit rod; 14. Vertical rod; 15. Second chain; 16. Wave assembly; 17. Servo motor; 18. Moving plate; 19. Rocker; 20. Bevel gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example: Figure 1 - Figure 4As shown, the utility model provides a technical solution of a raw material pulling device for rubber processing, including a support frame 1, a connecting frame 2 is slidably connected to the support frame 1, and a second squeezing roller 4 is rotatably connected to the second squeezing roller 4, the bottom of the connecting frame 2 is rotatably connected to the first squeezing roller 3, and the second squeezing roller 4 is located directly below the first squeezing roller 3. A lifting mechanism for adjusting the lifting of the connecting frame 2 is provided on the support frame 1, and one side of the connecting frame 2 and the support frame 1 are rotatably connected to a connecting rod 5. The two connecting rods 5 are symmetrically arranged above and below each other, and a connecting plate 6 is rotatably connected between the movable ends of the two connecting rods 5. The two ends of one side of the connecting rod 5 are rotatably connected to a spur gear 7 and a first rotating belt respectively, and a first chain 8 is transmission-connected between the second rotating belt fixedly connected to one side of the spur gear 7 and the first rotating belt. The two first rotating belts are respectively fixedly connected to one end of the first squeezing roller 3 and one end of the second squeezing roller 4, and one end of the first squeezing roller 3 is fixedly connected to a shaft rod, which passes through a through-hole opened on the connecting frame 2 and is fixedly connected to one side of the first rotating belt;

[0024] When the height of the first squeezing roller 3 is adjusted, the distance between the first squeezing roller 3 and the second squeezing roller 4 will be changed, so as to facilitate the adaptation to the required rubber thickness;

[0025] During the process of adjusting the height of the first squeezing roller 3, the connecting rod 5 and the connecting plate 6 will move accordingly according to the distance between the first squeezing roller 3 and the second squeezing roller 4; when the second squeezing roller 4 is rotated, the second squeezing roller 4 uses the corresponding first chain 8 to drive the two spur gears 7 to rotate relative to each other, and the spur gear 7 uses another first chain 8 to drive the first squeezing roller 3 to rotate.

[0026] like Figure 1 and Figure 3 As shown, an arc groove 9 is opened on one side of the support frame 1, an arc block is slidably connected in the arc groove 9, and the arc block is fixedly connected to one side of the connecting plate 6;

[0027] The arc groove 9 can improve the stability of the movement of the connecting plate 6.

[0028] like Figure 3 As shown, a through-type wire groove 10 is provided on both sides of the connecting frame 2, and a through-type sliding opening is formed on the inner wall of the wire groove 10 on the right side. A slider is slidably connected in the wire groove 10, and the slider is fixedly connected to one side of the connecting frame 2. The shaft at one end of the first extrusion roller 3 is located in the sliding opening cavity.

[0029] like Figure 1 、 Figure 2 and Figure 4 As shown, the lifting mechanism includes a threaded rod 11 fixedly connected to the top of the connecting frame 2, a threaded ring 12 is provided on the outer thread of the threaded rod 11, and the threaded ring 12 is rotatably connected to the top of the support frame 1. The top of the support frame 1 is provided with a through opening that is slidably connected to the threaded rod 11;

[0030] By rotating the threaded ring 12 , the threaded ring 12 drives the connecting frame 2 to move up and down using the threaded rod 11 .

[0031] like Figure 4 As shown, one side of the support frame 1 is rotatably connected to a vertical rod 14, and the horizontal cross-section of the vertical rod 14 is a hexagonal structure. The outer sides of the vertical rod 14 and the threaded ring 12 are fixedly sleeved with a third rotating belt, and a second chain 15 is transmission-connected between the two third rotating belts. A sleeve is slidingly sleeved on the outer side of the vertical rod 14, and a through-type hexagonal groove is opened on the top of the sleeve. The hexagonal groove is slidably connected to the vertical rod 14, and a movable plate 18 is rotatably sleeved on the outer side of the sleeve. The movable plate 18 contacts one side of the support frame 1, and a rocker 19 is rotatably connected to one side of the movable plate 18. The outer sides of the sleeve and the rocker 19 are fixedly sleeved with a bevel gear 20, and the two bevel gears 20 are meshed with each other.

[0032] The height of the movable plate 18 is adjusted as needed, so that the staff can rotate the rocker 19 conveniently. The rocker 19 drives the sleeve to rotate using two bevel gears 20. The sleeve drives the vertical rod 14 to rotate. The vertical rod 14 drives the threaded ring 12 to rotate using the second chain 15.

[0033] like Figure 4 As shown, a through threaded hole is provided on one side of the movable plate 18, and a limit rod 13 is threadedly connected to the threaded hole. The movable end of the limit rod 13 contacts the side wall of the support frame 1;

[0034] By rotating the limiting rod 13 , the movable end of the limiting rod 13 is brought into contact with the side wall of the support frame 1 , thereby fixing the movable plate 18 on the support frame 1 .

[0035] like Figure 1 As shown, two support plates are fixedly connected to one side of the support frame 1, and a wave assembly 16 is rotatably connected between the two support plates;

[0036] The wave assembly 16 is a prior art structure. For specific installation and usage, reference is made to the publication number CN219788959U which discloses a rubber pulling device.

[0037] like Figure 1 As shown, a servo motor 17 is installed on one side of the support frame 1 and one side of the support plate. The movable shafts of the two servo motors 17 are fixedly connected to the end of the second squeezing roller 4 and the end of the wave component 16 respectively. The servo motor 17 is electrically connected to the power supply. The servo motor 17 used in this application is a purchased part, which is selected according to the power and size requirements. The system for controlling the switch adopts the module provided by the corresponding merchant, and this application will not go into details.

[0038] Two servo motors 17 are used to respectively drive the second squeezing roller 4 and the wave assembly 16 to rotate.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A raw material drawing device for rubber processing, comprising a support frame (1), a connecting frame (2) slidably connected to the support frame (1), and a second squeezing roller (4) rotatably connected to the support frame (1), a first squeezing roller (3) rotatably connected to the bottom of the connecting frame (2), and a lifting mechanism for adjusting the lifting of the connecting frame (2) provided on the support frame (1), characterized in that: One side of the connecting frame (2) and one side of the supporting frame (1) are both rotatably connected to a connecting rod (5); a connecting plate (6) is rotatably connected between the movable ends of the two connecting rods (5); the two ends of one side of the connecting rod (5) are rotatably connected to a spur gear (7) and a first rotating belt; a first chain (8) is transmission-connected between a second rotating belt fixedly connected to one side of the spur gear (7) and the first rotating belt; the two first rotating belts are respectively fixedly connected to one end of the first squeezing roller (3) and one end of the second squeezing roller (4).

2. A raw material pulling device for rubber processing according to claim 1, characterized in that: An arc groove (9) is provided on one side of the support frame (1), an arc block is slidably connected in the arc groove (9), and the arc block is fixedly connected to one side of the connecting plate (6).

3. The raw material drawing device for rubber processing according to claim 1, characterized in that: Both sides of the connecting frame (2) are provided with through-type wire grooves (10), a slider is slidably connected in the wire grooves (10), and the slider is fixedly connected to one side of the connecting frame (2).

4. The raw material drawing device for rubber processing according to claim 1, characterized in that: The lifting mechanism comprises a threaded rod (11) fixedly connected to the top of the connecting frame (2); a threaded ring (12) is provided on the outer threaded sleeve of the threaded rod (11); the threaded ring (12) is rotatably connected to the top of the support frame (1); and a through opening is provided on the top of the support frame (1) for sliding connection with the threaded rod (11).

5. A raw material drawing device for rubber processing according to claim 4, characterized in that: One side of the support frame (1) is rotatably connected to a vertical rod (14); the outer sides of the vertical rod (14) and the threaded ring (12) are fixedly sleeved with a third rotating belt; a second chain (15) is transmission-connected between the two third rotating belts; a sleeve is slidingly sleeved on the outer side of the vertical rod (14); a movable plate (18) is rotatably sleeved on the outer side of the sleeve; one side of the movable plate (18) is rotatably connected to a rocker (19); the outer sides of the sleeve and the rocker (19) are fixedly sleeved with a bevel gear (20); and the two bevel gears (20) are meshed and connected with each other.

6. A raw material drawing device for rubber processing according to claim 5, characterized in that: A through threaded hole is provided on one side of the movable plate (18), a limit rod (13) is threadedly connected to the threaded hole, and a movable end of the limit rod (13) contacts the side wall of the support frame (1).

7. The raw material drawing device for rubber processing according to claim 1, characterized in that: Two support plates are fixedly connected to one side of the support frame (1), and a wave component (16) is rotatably connected between the two support plates.

8. The raw material drawing device for rubber processing according to claim 1, characterized in that: A servo motor (17) is installed on one side of the support frame (1) and one side of the support plate. The movable shafts of the two servo motors (17) are fixedly connected to the end of the second squeezing roller (4) and the end of the wave component (16) respectively.

Images