Sealing ring machining strip cutter

Abstract

The utility model discloses a sealing ring processing strip cutter which comprises a connecting block, two limiting plates, a cutting plate and a driving assembly, a discharging port is formed in the connecting block, the limiting plates are fixedly connected to the inclined face of the connecting block and located on the two sides of the discharging port at one end, and the cutting plate slides in the mode that the limiting plates are attached to the side wall of the connecting block. A notch is formed in the middle of the cutting plate and corresponds to the discharging port in position, the driving assembly is fixedly connected to the upper portion of the connecting block, movably connected with the upper portion of the cutting plate and used for driving the cutting plate to move up and down in the height direction of the limiting plate for adjustment, and the side wall, away from the limiting plate, of the connecting block is fixedly connected with a positioning assembly. The utility model belongs to the technical field of sealing ring processing, and particularly relates to a strip cutter for processing a sealing ring, which is used for continuously cutting a notch of a sealing strip during extrusion of an extruder and improving the splicing quality of subsequent butt-joint vulcanization of the notch of the sealing strip.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sealing ring processing technical field, especially relate to a sealing ring processing slitting device. BACKGROUND

[0002] The sealing ring is annular, is usually produced extrusion continuous long strip through extruder, then is cut into proper length, is butt jointed into ring after vulcanization of both ends, needs 45 DEG bevel cutting end surface to ensure bonding strength.

[0003] The existing slitting device for sealing ring processing, when slitting, the cutter reciprocating moves once to carry out cutting operation once, affects the discharge of the extruder in the moving process, causes the uneven problem of the sealing strip cutout, simultaneously, the rough cutout is easy to produce burr after splicing, influences the splicing quality of vulcanization. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of continuous cutting of the sealing strip cutout when the extruder extrudes, improves the splicing quality of the subsequent butt joint vulcanization of the sealing strip cutout.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme: a sealing ring processing slitting device, including connecting block, the inside of connecting block is opened and has discharge port, still including two limit plates, cutting plate and drive assembly, the limit plate fixed connection is located in the slope of connecting block, and is located in both sides of one end discharge port, the cutting plate is slid through the side wall of connecting block and is attached to the connecting block, the middle of cutting plate is opened and has cutout, the cutout is corresponding with the position of discharge port, the drive assembly fixed connection is located in the upper portion of connecting block, and is movably connected with the upper portion of cutting plate, is used for driving cutting plate and moves up and down along the height direction of limit plate and adjusts, the side wall of connecting block away from limit plate is fixedly connected with positioning assembly.

[0006] Further, the drive assembly includes a pneumatic cylinder, the pneumatic cylinder is fixedly connected to the upper portion of the connecting block, the pneumatic cylinder is fixedly connected with the connecting plate at the telescopic end, the connecting plate is movably connected with the cutting plate.

[0007] Further, the connecting plate is rotatably connected with the adjusting stud at one end away from the pneumatic cylinder, the adjusting stud extends to the inside of the cutting plate through the upper wall of the cutting plate and is screw-connected with the cutting plate, the outer side wall of the adjusting stud is provided with a supporting spring, and the supporting spring is located between the bottom wall of the connecting plate and the upper wall of the cutting plate.

[0008] Further, the connecting block is arranged in the shape of an isosceles right triangle, the discharge port is vertically extended from one side of the right angle and penetrates through one side of the long hypotenuse of the connecting plate;

[0009] The limit plate is arranged in the shape of an L, and the limit slots are formed between the symmetrical limit plates, and the cutting plate is slidably arranged in the limit slots.

[0010] The cutout is arranged in a strip shape along the height direction of the cutting plate, and the width is equal to the width of the discharge port.

[0011] Further, the positioning assembly comprises positioning plates and locking screws, the positioning plates are fixedly connected to the side walls of the right-angle edges of the connecting blocks and are symmetrically arranged above and below the discharge port, a clamping groove is formed between the symmetrically arranged positioning plates, the locking screws extend through the positioning plates into the clamping groove, and the locking screws are threadedly connected with the positioning plates.

[0012] Further, the discharge port is chamfered at the corner of one end close to the clamping groove.

[0013] After the above structure is adopted, the sealing strip cutting device has the following beneficial effects: for the sealing strip extrusion cutting in the sealing ring processing process, the device is fixedly connected through the positioning assembly, the sealing strip extruded by the extruder passes through the discharge port and the cutout, the driving assembly is used to drive the cutting plate to move up and down on the inclined surface of the connecting block, the cutting is performed in a staggered manner, the cutting time is shortened, the influence of the cutting plate movement on the end surface of the sealing strip is reduced, and the height of the cutting plate can be adjusted through the adjusting stud, so that the up and down limit movement distance of the cutting plate between the symmetrically arranged limiting plates can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application.

[0015] Figure 1 Fig. 1 is a schematic diagram of the overall structure of a sealing ring processing strip cutting device according to the present application;

[0016] Figure 2 Fig. 2 is a schematic diagram of the discharge port structure of the sealing ring processing strip cutting device according to the present application;

[0017] Figure 3 Fig. 3 is a schematic diagram of the internal structure of the sealing ring processing strip cutting device according to the present application;

[0018] Figure 4 Fig. 4 is a semi-sectional view of the driving assembly of the sealing ring processing strip cutting device according to the present application;

[0019] Figure 5 Fig. 5 is a front view of the sealing ring processing strip cutting device according to the present application;

[0020] Figure 6 Fig. 6 is an enlarged view of part A of the sealing ring processing strip cutting device according to the present application. Figure 4

[0021] ​In the drawings: 1, connecting block, 2, discharge port, 3, limiting plate, 4, cutting plate, 5, driving assembly, 6, cutting, 7, positioning assembly, 8, air cylinder, 9, connecting plate, 10, adjusting stud, 11, supporting spring, 12, limiting groove, 13, positioning plate, 14, locking screw, 15, clamping groove. DETAILED DESCRIPTION

[0022] As Figures 1-6 shown, a sealing ring processing slitting device, it includes connecting block 1, the inside of connecting block 1 is provided with discharge port 2, further including two limiting plates 3, cutting plate 4 and driving assembly 5, limiting plate 3 is fixedly connected to the inclined surface of connecting block 1, and is located at both sides of one end discharge port 2, cutting plate 4 is slidably connected to the side wall of connecting block 1 through limiting plate 3, the middle of cutting plate 4 is provided with cutting 6, cutting 6 corresponds to the position of discharge port 2, driving assembly 5 is fixedly connected to the upper part of connecting block 1, and is movably connected with the upper part of cutting plate 4, for driving cutting plate 4 to move up and down along the height direction of limiting plate 3 to adjust, the side wall of connecting block 1 away from limiting plate 3 is fixedly connected with positioning assembly 7, the edge corner of one end of discharge port 2 close to clamping groove 15 is chamfered, the device is installed through positioning assembly 7, so that discharge port 2, cutting 6 and extruder extrusion port are coaxial, the front end of sealing strip is conveniently inserted into discharge port 2 through the chamfered portion, and continuously discharges from discharge port 2 to the outside, cutting plate 4 moves up and down through driving assembly 5, in the moving process, cutting plate 4 is attached to the inclined surface of connecting block 1, the edge corner of cutting plate 4 is offset from the edge corner of discharge port 2, and cutting is realized.

[0023] As Figure 3 shown, in order to realize that the port of sealing strip is 45 degrees inclined, connecting block 1 is arranged in the shape of isosceles right triangle, discharge port 2 is vertically extended from one side right angle side, and penetrates to one side of the long hypotenuse of connecting plate 9, cutting 6 is arranged in the shape of strip along the height direction of cutting plate 4, and the width is equal to the width of discharge port 2, the strip-shaped cutting 6 increases the moving stroke of cutting plate 4, which is convenient for reciprocating movement of cutting plate 4, and simultaneously avoids affecting the extrusion of sealing strip.

[0024] As Figure 1 , Figure 3 , Figure 5 and Figure 6 shown, in order to realize that cutting plate 4 moves up and down attached to the inclined surface of connecting block 1, and adjusts the limit moving position of cutting plate 4 and cutting 6, driving assembly 5 includes air cylinder 8, air cylinder 8 is fixedly connected to the upper part of connecting block 1, the extension end of air cylinder 8 is fixedly connected with connecting plate 9, connecting plate 9 is movably connected with cutting plate 4, limiting plate 3 is arranged in the shape of L, the limiting groove 12 is formed between the symmetrical limiting plates 3, cutting plate 4 is slidably arranged in limiting groove 12, the extension end of air cylinder 8 drives connecting plate 9 to move up and down, cutting plate 4 is slid up and down in limiting groove 12 through the connection of adjusting stud 10, and sealing strip is offset cut through cutting 6;

[0025] The adjusting stud 10 is rotatably connected to one end of the connecting plate 9 away from the air cylinder 8, penetrates through the upper wall of the cutting plate 4 to extend into the interior of the cutting plate 4, and is threadedly connected with the cutting plate 4. The outer side wall of the adjusting stud 10 is provided with a supporting spring 11, which is located between the bottom wall of the connecting plate 9 and the upper wall of the cutting plate 4. The adjusting stud 10 is rotated at one end of the connecting plate 9 to lift the height of the cutting plate 4 through the threaded connection. When the adjusting stud 10 is rotated in the forward direction, the cutting plate 4 and the cutting groove 6 are lifted upward, the extension stroke of the telescopic end of the air cylinder 8 is reduced, and the moving stroke during the descending process of the cutting plate 4 is increased.

[0026] As shown in Figure 2 In order to realize the installation and fixation of the device and make the cutting groove 6 and the discharge port 2 coaxial with the extrusion port, the positioning assembly 7 includes a positioning plate 13 and a locking screw 14. The positioning plate 13 is fixedly connected to the straight side wall of the connecting block 1 and is symmetrically arranged above and below the center of the discharge port 2. The symmetrically arranged positioning plates 13 form a clamping groove 15 therebetween. The locking screw 14 extends through the positioning plate 13 into the clamping groove 15 and is threadedly connected with the positioning plate 13. The clamping groove 15 can be clamped at the extrusion port of the extruder or installed through other support structures and clamped and fixed by the extended locking screw 14 extending through the positioning plates 13 above and below, so as to realize the up-down position adjustment of the connecting block 1.

[0027] In specific use, the operator clamps the clamping groove 15 at the extrusion port of the extruder, rotates the locking screw 14 to extend oppositely, and fixes and installs the device to make the cutting groove 6, the discharge port 2 and the extrusion port of the extruder coaxial;

[0028] The front end of the extruded sealing strip penetrates into the discharge port 2 through the chamfered portion of the discharge port 2 and continuously discharges to the outside through the cutting groove 6. The telescopic end of the air cylinder 8 drives the connecting plate 9 to move up and down, the cutting plate 4 is connected to the connecting block 1 through the adjusting stud 10, and the cutting plate 4 slides up and down in the limiting groove 12 to cut the sealing strip by the up-down movement of the cutting groove 6.

[0029] Meanwhile, the height of the cutting plate 4 is adjusted by the adjusting stud 10 to realize the reciprocating stroke adjustment of the cutting plate 4, so as to change the cutting frequency. When the adjusting stud 10 is rotated in the forward direction, the cutting plate 4 and the cutting groove 6 are lifted upward, the extension stroke of the telescopic end of the air cylinder 8 is reduced, and the moving stroke during the descending process of the cutting plate 4 is increased

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations 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. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A sealing ring processing slitter comprising a connecting block (1), the inside of the connecting block (1) is provided with a discharging port (2), characterized in that: Also include two limit plate (3), cutting plate (4) and drive assembly (5), the limit plate (3) is fixedly connected to the slope of the connecting block (1), and is located at both sides of one end of the discharge port (2), the cutting plate (4) is slidably connected to the side wall of the connecting block (1) through the limit plate (3), the cutting plate (4) is provided with a cutting (6) in the middle, the cutting (6) corresponds to the position of the discharge port (2), the drive assembly (5) is fixedly connected to the upper part of the connecting block (1), and is movably connected with the upper part of the cutting plate (4), for driving the cutting plate (4) to move up and down along the height direction of the limit plate (3), the side wall of the connecting block (1) away from the limit plate (3) is fixedly connected with a positioning assembly (7).

2. The seal ring processing slitter of claim 1, wherein: The drive assembly (5) comprises a cylinder (8), the cylinder (8) is fixedly connected to the upper part of the connecting block (1), and the telescopic end of the cylinder (8) is fixedly connected with a connecting plate (9), the connecting plate (9) is movably connected with the cutting plate (4).

3. A seal ring processing slitter as defined in claim 2, wherein: The end of the connecting plate (9) away from the cylinder (8) is rotatably connected with an adjusting stud (10), the adjusting stud (10) extends through the upper wall of the cutting plate (4) to the inside of the cutting plate (4), and is in threaded connection with the cutting plate (4), the outer side wall of the adjusting stud (10) is provided with a supporting spring (11), and the supporting spring (11) is located between the bottom wall of the connecting plate (9) and the upper wall of the cutting plate (4).

4. The seal ring processing slitter of claim 1, wherein: The connecting block (1) is arranged in an isosceles right triangle, the discharge port (2) extends perpendicularly from one side of the right angle and penetrates the long side of the connecting plate (9); The limit plate (3) is arranged in an L shape, and the limit grooves (12) are formed between the symmetrical limit plates (3), the cutting plate (4) is slidably arranged in the limit groove (12); The cutting (6) is arranged in a long strip shape along the height direction of the cutting plate (4), and the width is equal to the width of the discharge port (2).

5. The seal ring processing slitter of claim 1, wherein: The positioning assembly (7) comprises a positioning plate (13) and a locking screw (14), the positioning plate (13) is fixedly connected to the side wall of the right angle of the connecting block (1), and is symmetrically arranged above and below the center of the discharge port (2), the clamping grooves (15) are formed between the symmetrical positioning plates (13), the locking screw (14) extends into the clamping groove (15) through the positioning plate (13), and the locking screw (14) is in threaded connection with the positioning plate (13).

6. A seal ring processing slitter as defined in claim 5, wherein: The end edge of the discharge port (2) close to the clamping groove (15) is chamfered.

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