Automatic shearing device for rubber strip
By designing a detachable positioning ramp and an adjustable cutting blade in the rubber strip production device, the problem of single-angle shearing was solved, and multi-angle oblique shearing was realized, improving the applicability and precision of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-20
AI Technical Summary
Existing rubber strip production equipment can only perform oblique shearing at a single angle, and cannot meet the needs of multi-angle shearing.
The design features a detachable positioning ramp on the fixed plate and an adjustable cutting blade, enabling multi-angle oblique shearing. Combined with a cylinder-driven connecting plate and cutting blade, it adapts to shearing rubber strips at different angles.
This technology enables multi-angle oblique shearing of rubber strips, improving the applicability and shearing accuracy of the device and meeting diverse production needs.
Smart Images

Figure CN224012912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rubber strip production technical field, concretely to a kind of rubber strip automatic shearing device. BACKGROUND
[0002] For the existing announcement number CN220031100U Chinese patent document discloses a kind of automatic shearing strip rubber extrusion molding device, including fixed side plate, fixed side plate is rotatably installed with connecting shaft, the one end of connecting shaft is fixedly connected drive motor, drive motor is fixedly installed in the side of fixed side plate, the other end is connected spiral feeder, the other end of spiral feeder is fixedly connected extruder head, extruder head is fixedly installed on L type fixed plate, L type fixed plate is equipped with discharge port, the side of L type fixed plate away from extruder head is installed with oblique shearing mechanism, oblique shearing mechanism is installed below, the utility model is cut out by installing oblique shearing mechanism at the extrusion outlet of extruder head to the strip rubber extruded automatically, reduces the step of manual bevel cutting after strip rubber extrusion, simultaneously also improves the bevel cutting precision of strip rubber extrusion.
[0003] But the above scheme and prior art, rubber raw material is conveyed to extruder head by spiral feeder and extruded, and the output is strip rubber, the output port position of extruder head is fixedly arranged positioning inclined table to cooperate with cutting knife to obliquely shear rubber strip;The device can only be obliquely sheared at one angle to rubber strip when using above-mentioned device, and the device cannot be applied to multi-angle oblique shearing of rubber strip, and needs to be improved and optimized. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of rubber strip automatic shearing device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rubber strip automatic shearing device includes:
[0006] Extruder head, the one side of extruder head is connected with spiral feeder, and the side wall of extruder head output end is fixedly provided with fixed plate, rubber strip feed opening is arranged on the fixed plate, the rubber strip feed opening is corresponding with the shape of the output port position of extruder head, and cutting assembly is arranged on the fixed plate.
[0007] Positioning inclined table, the extrusion passage is arranged on the inclined surface of positioning inclined table, the extrusion passage is corresponding with the shape of the setting position of rubber strip feed opening, and installation slot is symmetrically arranged on the both sides of positioning inclined table, positioning inclined table is arranged on fixed plate by connecting assembly, and auxiliary assembly is arranged on positioning inclined table.
[0008] Preferably, the L-shaped protrusions in the connecting assembly are symmetrically fixed on the side wall of the fixed plate, an installation block is fixed on the inner side wall of the L-shaped protrusion, the installation block is inserted into the installation slot, the positioning inclined table is clamped with the inner side wall of the L-shaped protrusion, a limiting plate is rotatably arranged on the upper end of the L-shaped protrusion, the limiting plate is clamped with the positioning inclined table, and a positioning hole is formed in the limiting plate.
[0009] Preferably, a hollow groove is formed in the L-shaped protrusion, a limiting block is movably clamped in the hollow groove, a spring is arranged at the side end of the limiting block, a positioning column is fixed on the side wall of the limiting block, the positioning column penetrates the upper end of the L-shaped protrusion, and the positioning column is inserted into the positioning hole.
[0010] Preferably, the movable slot in the cutting assembly is formed in the side wall of the fixed plate, movable slots are symmetrically formed in the two side walls of the movable slot, the two side walls of the movable plate are movably clamped with the movable slots, and limiting protrusions are fixed at the four corner positions of the movable plate.
[0011] Preferably, an installation plate is rotatably arranged on the movable plate, the installation plate is movably arranged in the movable slot, a gas cylinder is fixed on the installation plate, a connecting plate is fixed at the output end of the gas cylinder, a cutting knife is fixed at the end of the connecting plate, and the connecting plate and the cutting knife are attached to the inclined surface of the positioning inclined table.
[0012] Preferably, the protruding plates in the auxiliary assembly are symmetrically fixed on the side wall of the inclined surface of the positioning inclined table, a sliding groove is formed in the side wall of one side protruding plate, a strip hole is formed in the side wall of the other side protruding plate, a connecting hole is formed in the side wall of the connecting plate, the connecting block is movably clamped with the sliding groove and the strip hole at the two sides, the connecting block is inserted into the connecting hole, and a rotating plate is rotatably arranged on the side wall of the protruding plate.
[0013] Preferably, a circular hole is formed in the rotating plate, the rotating plate is clamped with the connecting block, a threaded hole is formed in the side wall of the protruding plate, and a knob bolt is threadedly connected through the circular hole and the threaded hole.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] By conveniently and detachably arranging the positioning inclined table on the fixed plate, adjusting the positions of the movable plate and the installation plate, making the side wall of the connecting plate and the cutting knife attached to the inclined surface of the positioning inclined table, inserting the connecting block into the connecting hole while movably clamping the connecting block with the sliding groove and the strip hole at the two sides, the side wall of the cutting knife is stably attached to the inclined surface of the positioning inclined table, different inclined surface angle positioning inclined tables can be replaced and installed, the device can be used for rubber strip multi-angle inclined shearing, the applicability of the device is improved, and the actual needs are met. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a side view of the utility model;
[0018] Figure 3 The utility model discloses positioning inclined table structure schematic diagram;
[0019] Figure 4 The utility model discloses L shape boss structure half sectional view;
[0020] Figure 5 The utility model discloses Figure 4 Partial enlarged view in the utility model;
[0021] Figure 6 The utility model discloses moving plate structure schematic diagram.
[0022] In the figure: extruder head 1, fixed plate 2, rubber strip material mouth 3, positioning inclined table 4, extrusion channel 5, installation slot 6, L shape boss 7, installation block 8, limit board 9, positioning hole 10, empty slot 11, limit block 12, positioning column 13, movable slot 14, moving groove 15, moving plate 16, installation plate 17, pneumatic cylinder 18, connecting plate 19, cutting knife 20, convex plate 21, sliding slot 22, strip hole 23, connecting hole 24, connecting block 25, rotating plate 26, round hole 27, screw thread hole 28, spiral feeder 29. DETAILED DESCRIPTION
[0023] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation. Should understand, the specific embodiment described here is the utility model a part of embodiment, instead of all the embodiment, only use to explain the utility model embodiment, and do not use to limit the utility model embodiment, and all other embodiments that the person skilled in the art obtains under the premise of not doing the creative labor, belong to the range of the utility model protection.
[0024] Please refer to Figures 1-6 The utility model provides the following two preferred scheme's embodiment:
[0025] Embodiment one: a kind of automatic rubber strip shearing device, comprising: extrusion machine head 1, one side of the extrusion machine head 1 is connected with spiral feeder 29, fixed plate 2 is fixed on the output end side wall of extrusion machine head 1, rubber strip feed port 3 is arranged on fixed plate 2, rubber strip feed port 3 is corresponding with the shape of the output port position of extrusion machine head 1, fixed plate 2 is provided with cutting assembly;Positioning inclined platform 4, the inclined surface of the positioning inclined platform 4 is provided with extrusion channel 5, extrusion channel 5 is corresponding with the shape of the setting position of rubber strip feed port 3, installation slot 6 is symmetrically provided on the both sides of positioning inclined platform 4, positioning inclined platform 4 is arranged on fixed plate 2 by connecting assembly, auxiliary assembly is arranged on positioning inclined platform 4;The L-shaped boss 7 in the connecting assembly is fixedly arranged on the side wall of fixed plate 2 symmetrically, the mounting block 8 is fixedly arranged on the inner side wall of L-shaped boss 7, the mounting block 8 is inserted into installation slot 6, positioning inclined platform 4 is connected with the inner side wall of L-shaped boss 7, limiting plate 9 is rotatably arranged on the upper end of L-shaped boss 7, limiting plate 9 is connected with positioning inclined platform 4, limiting hole 10 is formed in limiting plate 9;The L-shaped boss 7 is provided with air slot 11, limiting block 12 is movably connected in air slot 11, spring is arranged on the side end of limiting block 12, limiting column 13 is fixedly arranged on the side wall of limiting block 12, limiting column 13 penetrates the upper end of L-shaped boss 7, limiting column 13 is inserted into limiting hole 10;The movable slot 14 in the cutting assembly is formed in the side wall of fixed plate 2, the moving slot 15 is symmetrically formed in the both side walls of movable slot 14, the both side walls of moving plate 16 are movably connected with moving slot 15, limiting block is fixedly arranged on the four corners of moving plate 16;The mounting plate 17 is rotatably arranged on moving plate 16, the mounting plate 17 is movably arranged in movable slot 14, the cylinder 18 is fixedly arranged on the mounting plate 17, the connecting plate 19 is fixedly arranged on the output end of cylinder 18, the cutting knife 20 is fixedly arranged on the end of connecting plate 19, connecting plate 19 and cutting knife 20 are attached to the inclined surface of positioning inclined platform 4.
[0026] In use, according to the angle requirement of the oblique shearing of the rubber strip, the positioning inclined table 4 with an adaptive inclined angle is selected, clamped with the positioning inclined table 4, and inserted with the mounting groove 6, then the mounting block 8 is pressed to shrink into the empty slot 11 and push the limiting block 12 to compress the spring, the limiting plate 9 is rotated to be clamped with the positioning inclined table 4, until the spring resets to push the limiting block 12 to move so that the positioning column 13 is inserted into the positioning hole 10 to fix the position of the limiting plate 9, and then the fixed connection of the positioning inclined table 4 and the fixed plate 2 is completed, the position of the moving plate 16 is adjusted along the moving groove 15, the limiting blocks fixedly arranged at the four corners of the moving plate 16 prevent the moving plate 16 from falling off, then the mounting plate 17 is rotated, the connecting plate 19 and the side wall of the cutting knife 20 are attached to the inclined surface of the positioning inclined table 4, and the inclination angle of the connecting plate 19 and the cutting knife 20 is fixed, the rubber raw material is conveyed into the extrusion head 1 from the spiral feeder 29 and extruded as a rubber strip, the rubber strip is conveyed into the extrusion channel 5 from the output port of the extrusion head 1 through the rubber strip port 3, then the connecting plate 19 is pushed by the air cylinder 18 to move so that the cutting knife 20 moves along the inclined surface of the positioning inclined table 4 to obliquely shear the rubber strip extending out of the extrusion channel 5; the device can be used for multi-angle oblique shearing of the rubber strip through the positioning inclined table 4 conveniently and detachably arranged on the fixed plate 2 and the cutting knife 20 with an adjustable angle position, which meets the actual demand.
[0027] In the embodiment one, the protruding plate 21 is symmetrically and fixedly arranged on the side wall of the positioning inclined table 4, the sliding slot 22 is arranged on the side wall of one side of the protruding plate 21, the strip hole 23 is arranged on the side wall of the other side of the protruding plate 21, the connecting hole 24 is arranged on the side wall of the connecting plate 19, the connecting block 25 is movably clamped with the sliding slot 22 and the strip hole 23 respectively at two sides, the connecting block 25 is inserted into the connecting hole 24, and the rotating plate 26 is rotatably arranged on the side wall of the protruding plate 21.
[0028] In use, after the positions of the moving plate 16 and the mounting plate 17 are adjusted, the side wall of the connecting plate 19 and the cutting knife 20 is attached to the inclined surface of the positioning inclined table 4, then the connecting block 25 is inserted into the connecting hole 24 on the connecting plate 19 from the strip hole 23, until the other end of the connecting block 25 is inserted into the sliding slot 22, the rotating plate 26 is covered to clamp the end of the connecting block 25 to limit the connecting block 25, the knob bolt is screwed through the circular hole 27 and the threaded hole 28 to fix the position of the rotating plate 26, and the connecting plate 19 and the cutting knife 20 are pushed by the air cylinder 18 to move to obliquely shear the rubber strip, the connecting block 25 is movably clamped with the sliding slot 22 and the strip hole 23 respectively at two sides to fix the inclination angle of the connecting plate 19 and the cutting knife 20, and the cutting knife 20 can stably shear the rubber strip.
[0029] 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. An automatic rubber strip cutting device, characterized in that: include: An extrusion head (1) is provided with a screw feeder (29) connected to one side of the extrusion head (1). A fixing plate (2) is fixedly provided on the side wall of the output end of the extrusion head (1). A rubber strip material port (3) is provided on the fixing plate (2). The rubber strip material port (3) is in the same position and shape as the output port of the extrusion head (1). A cutting component is provided on the fixing plate (2). The positioning inclined platform (4) has an extrusion channel (5) on its inclined surface. The extrusion channel (5) is positioned and has the same shape as the rubber strip material outlet (3). The positioning inclined platform (4) has symmetrical mounting grooves (6) on both sides. The positioning inclined platform (4) is mounted on the fixed plate (2) through a connecting component. The positioning inclined platform (4) is equipped with auxiliary components.
2. The automatic rubber strip cutting device according to claim 1, characterized in that: The L-shaped boss (7) in the connecting assembly is symmetrically fixed on the side wall of the fixing plate (2). An installation block (8) is fixed on the inner side wall of the L-shaped boss (7). The installation block (8) is inserted into the installation groove (6). The positioning ramp (4) is engaged with the inner side wall of the L-shaped boss (7). A limit plate (9) is rotatably provided on the upper end of the L-shaped boss (7). The limit plate (9) is engaged with the positioning ramp (4). A positioning hole (10) is provided on the limit plate (9).
3. The automatic rubber strip cutting device according to claim 2, characterized in that: The L-shaped boss (7) has a slot (11) inside. A limit block (12) is movably engaged in the slot (11). A spring is provided on the side end of the limit block (12). A positioning post (13) is fixedly provided on the side wall of the limit block (12). The positioning post (13) passes through the upper end of the L-shaped boss (7) and is inserted into the positioning hole (10).
4. The automatic rubber strip cutting device according to claim 1, characterized in that: The movable groove (14) in the cutting assembly is opened on the side wall of the fixed plate (2). The movable groove (15) is symmetrically opened on both sides of the movable groove (14). The two sides of the movable plate (16) are movably engaged with the movable groove (15). Limiting protrusions are fixedly provided at the four corners of the movable plate (16).
5. The automatic rubber strip cutting device according to claim 4, characterized in that: A mounting plate (17) is rotatably mounted on the movable plate (16). The mounting plate (17) is movably mounted in the movable groove (14). A cylinder (18) is fixedly mounted on the mounting plate (17). A connecting plate (19) is fixedly mounted at the output end of the cylinder (18). A cutting blade (20) is fixedly mounted at the end of the connecting plate (19). The connecting plate (19) and the cutting blade (20) are in contact with the inclined surface of the positioning inclined table (4).
6. The automatic rubber strip cutting device according to claim 1, characterized in that: The convex plates (21) in the auxiliary components are symmetrically fixed on the inclined side wall of the positioning ramp (4). A sliding groove (22) is provided on the side wall of one convex plate (21), and a strip hole (23) is provided on the side wall of the other convex plate (21). A connecting hole (24) is provided on the side wall of the connecting plate (19). The two sides of the connecting block (25) are respectively engaged with the sliding groove (22) and the strip hole (23). The connecting block (25) is inserted into the connecting hole (24). The rotating plate (26) is rotatably set on the side wall of the convex plate (21).
7. The automatic rubber strip cutting device according to claim 6, characterized in that: The rotating plate (26) has a round hole (27) and is engaged with the connecting block (25). A threaded hole (28) is opened on the side wall of the convex plate (21). The knob bolt passes through the round hole (27) and is threadedly connected to the threaded hole (28).
Citation Information
Patent Citations
Strip-shaped rubber extrusion molding device with automatic shearing function
CN220031100U