CN224210052U

CN224210052U - Cutting device used in silicone rubber production process

Info

Publication number: CN224210052U
Application number: CN202521207176.4U
Authority: CN
Inventors: 王晨宇; 张玉莹; 陈英斌
Original assignee: Jiangsu Desi New Material Technology Co ltd
Current assignee: Jiangsu Desi New Material Technology Co ltd
Priority date: 2025-06-13
Filing date: 2025-06-13
Publication date: 2026-05-08
Anticipated expiration: 2035-06-13

Abstract

The utility model discloses a cutting device used in a silicone rubber production process, which belongs to the technical field of silicone rubber production and comprises a transmission frame, wherein a cutting fixing frame is fixedly connected to the transmission frame, a movable module is fixedly connected to one side of the cutting fixing frame, which is close to the transmission frame, a positioning plate is connected to a sliding seat of the movable module through a bolt, a telescopic cylinder is fixedly connected to the lower part of the positioning plate, and a cutting structure is arranged at the end part of the telescopic rod of the telescopic cylinder.

Description

Cutting device used in silicone rubber production process

Technical Field

The utility model relates to the technical field of silicone rubber production, in particular to a cutting device used in the silicone rubber production process.

Background

In the production process of the silicone rubber, the cutting link is critical, however, the traditional cutting mode faces a plurality of challenges, the silicone rubber has wide application in the fields of industrial production, medical equipment, consumer electronics and the like due to the characteristics of strong flexibility, good elasticity and the like, but the characteristics also make the silicone rubber difficult and heavy in traditional mechanical cutting;

The traditional cutting mode mainly depends on a cutter with a sharp cutting edge, pressure is applied to a material to be cut to enable the pressure to be concentrated at the cutting edge, when the pressure exceeds the shearing strength of the material to be cut, molecular combination of the material is pulled away, so that cutting is achieved, however, for soft and elastic materials such as silicone rubber, the efficiency of the traditional cutting mode is not high, problems such as sticking, burrs and uneven edges of the silicone rubber are easy to occur in the cutting process, the processing precision of a product is affected, the size deviation and the edge quality of the product are poor, the requirement of a high-precision application scene cannot be met, the production cost is increased, and the problem of cutting is solved due to the fact that extra labor and materials are needed, and meanwhile, the production efficiency is reduced;

In the production process of the existing silicon rubber, most of the ultrasonic cutters are used for rapidly cutting the silicon rubber, but in the thicker and larger silicon rubber cutting process, when a conventional cutter is integrally used, the elastic rebound of the silicon rubber is caused when the cutter is arranged, the cutting effect is not ideal, most of the existing ultrasonic cutters are vertical cutters, and the silicon rubber is cut, so that the larger cutter is required to be matched in the larger and thicker silicon rubber production process, and therefore, the cutting device for the silicon rubber production process is provided.

Disclosure of Invention

The utility model aims to provide a cutting device used in the production process of silicon rubber, so as to solve the problems in the background art.

The cutting device for the silicone rubber production process comprises a transmission frame, wherein a cutting fixing frame is fixedly connected to the transmission frame, a movable module is fixedly connected to one side, close to the transmission frame, of the cutting fixing frame, a locating plate is connected to a sliding seat of the movable module through a bolt, a telescopic cylinder is fixedly connected to the lower portion of the locating plate, and a cutting structure is installed at the end portion of a telescopic rod of the telescopic cylinder;

The cutting structure comprises a cutting knife, the cutting knife is connected with the end part of the telescopic rod of the telescopic cylinder through an ultrasonic structure, and the bottom of the cutting knife is connected with a guiding and positioning structure;

The device comprises a transmission frame, wherein two positioning fixing frames are fixedly connected to the transmission frame, two lower pushing cylinders are fixedly connected to one side, close to the transmission frame, of the positioning fixing frames, an arc plate is fixedly connected to the lower portion of each lower pushing cylinder, a jacking structure is connected to the lower portion of the transmission frame, and the jacking structure is used for tensioning silicone rubber in cooperation with the lower pushing cylinders and the arc plate.

As a further preferable mode of the technical scheme, two placing grooves are formed in the frame of the transmission frame, the placing grooves are parallel to the cutting knife, and the cutting knife is connected to the inside of the placing grooves in a sliding mode.

As a further preferable mode of the technical scheme, the guiding and positioning structure comprises two fixing plates, the two fixing plates are respectively and fixedly connected to the inside of the placing groove, a guiding rod is fixedly connected to the fixing plates, a supporting seat is connected to the outside of the guiding rod in a sliding mode, a sliding groove is formed in the supporting seat, a supporting rod is connected to the inside of the sliding groove in a sliding mode, and the supporting rod is fixedly connected to the bottom of the cutting knife.

As a further preferable mode of the technical scheme, the ultrasonic structure comprises an ultrasonic connector, wherein the ultrasonic connector is fixedly connected to the end part of the telescopic rod of the telescopic cylinder, and ultrasonic emission of the ultrasonic connector is fixedly connected with the top of the cutting knife.

As a further preferable mode of the technical scheme, the jacking structure comprises a lower mounting seat, two upper jacking cylinders are fixedly connected to the lower mounting seat, a U-shaped rolling seat is fixedly connected to the end portion of a piston rod of each upper jacking cylinder, a jacking roller is rotatably connected to the outer portion of each U-shaped rolling seat, and the jacking roller is located between two positioning fixing frames.

As a further preferable mode of the technical scheme, a plurality of inserting grooves are formed in the edge-forming ends of two sides of the cutting knife, an electromagnet adsorption block is inserted in each inserting groove, and a replacement cutting edge is fixedly connected to the outer portion of each electromagnet adsorption block.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, after the jacking structure and the lower pushing cylinder are started, the arc plate moves downwards to extrude and limit the silicon rubber on the driving roller, meanwhile, the jacking roller in the jacking structure moves upwards to jack the silicon rubber, the silicon rubber is in a tensioning state by cooperation of the jacking structure and the lower pushing cylinder, the rebound phenomenon of the silicon rubber caused by self elasticity can be effectively reduced through the tensioning state, the silicon rubber can be stably and accurately cut in a sliding manner in the transverse moving process of the cutting knife, the cutting deviation of the silicon rubber caused by rebound in the traditional cutting mode is avoided, and the flatness and precision of the cutting edge are improved;

2. In the utility model, when larger and thicker silicone rubber is transversely cut, ultrasonic vibration is transmitted to the cutting knife by utilizing the ultrasonic connector to form ultrasonic cutting, and the cutting process is smoother by utilizing the energy of ultrasonic to assist cutting, so that the cutting resistance is reduced, the occurrence probability of the phenomenon of cutting staggered layers is reduced, the overall cutting effect is improved, and the phenomenon of cutting staggered layers is reduced in the transverse cutting process.

Drawings

FIG. 1 is a schematic view of a first construction of a cutting device for use in a silicone rubber manufacturing process according to the present utility model;

FIG. 2 is a schematic view showing a second structure of a cutting device for use in a silicone rubber production process according to the present utility model;

FIG. 3 is a schematic view of the ultrasonic connector and cutter of the cutting device used in the silicone rubber production process according to the present utility model;

FIG. 4 is a schematic view of the structure of a U-shaped rolling seat and a top pressing roller of a cutting device used in the silicone rubber production process;

FIG. 5 is a schematic view showing the structure of a lower pushing cylinder of a cutting device used in the silicone rubber production process according to the present utility model;

Fig. 6 is a schematic structural view showing a separation state of a replacement blade and a cutter in a cutting device used in a silicone rubber production process according to the present utility model.

The device comprises a driving frame, a cutting fixing frame, a moving module, a positioning plate, a placing groove, a telescopic cylinder, an ultrasonic connector, a cutting knife, a knife 801, a replacement knife edge, an electromagnet adsorption block, 803, a plugging groove, 9, a fixing plate, 10, a guide rod, 11, a supporting seat, 12, a supporting rod, 13, a positioning fixing frame, 14, a lower pushing cylinder, 15, an arc plate, 16, a lower mounting seat, 17, an upper pushing cylinder, 18, a U-shaped rolling seat and 19, and a pushing roller.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 1-6, the utility model provides a cutting device for a silicone rubber production process, which comprises a transmission frame 1, wherein a cutting fixing frame 2 is fixedly connected to the transmission frame 1, a movable module 3 is fixedly connected to one side of the cutting fixing frame 2, which is close to the transmission frame 1, a positioning plate 4 is connected to a sliding seat of the movable module 3 through a bolt, a telescopic cylinder 6 is fixedly connected to the lower part of the positioning plate 4, and a cutting structure is arranged at the end part of a telescopic rod of the telescopic cylinder 6;

The cutting structure comprises a cutting knife 8, the cutting knife 8 is connected with the end part of a telescopic rod of the telescopic cylinder 6 through an ultrasonic structure, and the bottom of the cutting knife 8 is connected with a guiding and positioning structure;

Two positioning fixing frames 13 are fixedly connected to the transmission frame 1, two lower pushing cylinders 14 are fixedly connected to one sides, close to the transmission frame 1, of the positioning fixing frames 13, an arc-shaped plate 15 is fixedly connected to the lower portion of each lower pushing cylinder 14, a jacking structure is connected to the lower portion of the transmission frame 1 and used for tensioning silicone rubber in cooperation with the lower pushing cylinders 14 and the arc-shaped plate 15.

In the embodiment, in the using process, the transmission frame 1 is connected with the outlet of the silicon rubber production discharging machine, the silicon rubber discharging machine flows onto the transmission frame 1 after discharging, the silicon rubber can be transmitted along with the running of the transmission roller on the transmission frame 1, after the silicon rubber is transmitted to the lower part of the cutting fixing frame 2, the position where the silicon rubber needs to be cut is positioned by using the laser positioner, after the position where the silicon rubber needs to be cut is positioned, the top pressing structure and the lower pushing cylinder 14 are started, the arc plate 15 can be driven to move downwards after the lower pushing cylinder 14 is started, the silicon rubber on the driving roller can be extruded and limited after the arc plate 15 moves downwards, the top pressing structure can further extrude the silicon rubber from the lower part after extrusion limiting, so that the silicon rubber is tensioned, after the silicon rubber is tensioned, the moving module 3 can drive the positioning plate 4, the telescopic cylinder 6 and the cutting knife 8 to transversely move, the cutting opening is cut on one side of the silicon rubber, then the cutting opening is cut, the whole cutting knife can be transversely moved, and the whole cutting knife can be quickly bounced after the cutting knife 8 is tensioned, and the whole cutting phenomenon can be reduced.

As shown in fig. 2, two placement grooves 5 are formed in the frame of the transmission frame 1, the placement grooves 5 are parallel to the cutting knife 8, and the cutting knife 8 is slidably connected inside the placement grooves 5.

In the embodiment, in the process of not cutting, the cutting knife 8 is stored in the grooves 5 on two sides of the frame, so that the influence on the transmission of the silicone rubber is avoided.

As shown in fig. 3, the guiding and positioning structure comprises two fixing plates 9, the two fixing plates 9 are respectively and fixedly connected to the inside of the placement groove 5, a guiding rod 10 is fixedly connected to the fixing plates 9, a supporting seat 11 is slidably connected to the outside of the guiding rod 10, a sliding groove is formed in the supporting seat 11, a supporting rod 12 is slidably connected to the inside of the sliding groove, and the supporting rod 12 is fixedly connected to the bottom of the cutting knife 8.

In this embodiment, in the moving process of the cutter 8, only the upper side is fixed by means of the telescopic cylinder 6 alone, while the lower side is connected with the supporting seat 11 through the supporting rod 12, the supporting seat 11 is arranged outside the guiding rod 10, and when the cutter 8 transversely slides to cut rubber, the supporting seat 11 positioned below can be matched with the guiding rod 10 to guide the cutter 8.

As shown in fig. 1-4, the jacking structure comprises a lower mounting seat 16, two upper jacking cylinders 17 are fixedly connected to the lower mounting seat 16, a U-shaped rolling seat 18 is fixedly connected to the end portion of a piston rod of each upper jacking cylinder 17, a jacking roller 19 is rotatably connected to the outer portion of each U-shaped rolling seat 18, and the jacking roller 19 is located between two positioning fixing frames 13.

In the embodiment, specifically, in the jacking structure, the upper jacking cylinder 17 is started to drive the U-shaped rolling seat 18 and the jacking roller 19 to move upwards, the silicone rubber positioned on the jacking roller 19 can be jacked under the condition that the upper jacking cylinder 17 drives the U-shaped rolling seat 18 and the jacking roller 19 to move upwards, and after the two sides of the silicone rubber are fixed by matching with the arc-shaped plate 15, the jacking roller 19 can jack the silicone rubber to form certain tension, so that the phenomenon that the silicone rubber bounces back to a cutter in the cutting process is reduced.

Example 2

Considering in the use, when facing the cutting of great thicker silicone rubber, the process cutting speed that the cutter was used alone to cut is slower to use the mobile module 3 to drive cutting knife 8 to carry out lateral shifting's removal power not enough in the transverse cutting process, in order to solve above-mentioned technical problem through adding the ultrasonic structure for this, specifically:

As shown in fig. 1-3, the ultrasonic structure comprises an ultrasonic connector 7, the ultrasonic connector 7 is fixedly connected to the end part of the telescopic rod of the telescopic cylinder 6, and the ultrasonic emission of the ultrasonic connector 7 is fixedly connected with the top part of the cutting knife 8.

In this embodiment, specifically, when the larger and thicker silicone rubber is cut, the ultrasonic connector 7 can be started, ultrasonic vibration generated by the ultrasonic generator is transmitted to the outside of the cutter 8, ultrasonic cutting is formed by the cutter 8 and the ultrasonic connector 7 integrally, at this time, when the larger and thicker silicone rubber is transversely cut, the cutter 8 integrally moves transversely, the phenomenon of cutting staggered layers is further reduced, the cutter 8 can be moved up and down through the telescopic cylinder 6 in the slow cutting process, so that the cutter 8 forms a saw cutting state for the larger and thicker silicone rubber, and further, the cutter 8 can be disconnected from the lower supporting rod 12 and is obliquely arranged, so that when the larger and thicker silicone rubber is cut, only the thickness of a cutting part is slid each time, and parallel oblique sliding cutting is formed back and forth.

As shown in fig. 6, a plurality of inserting grooves 803 are formed in the two side sharpening ends of the cutting knife 8, an electromagnet adsorption block 802 is inserted in the inserting grooves 803, and a replacement blade 801 is fixedly connected to the outside of the electromagnet adsorption block 802.

In this embodiment, in particular, during the use of the cutting blade 8, the replacement blade 801 may be magnetically connected to two sides of the sharpening end of the cutting blade 8, so that the replacement blade 801 is inserted into the insertion groove 803 through the electromagnet adsorption block 802 to form a replaceable side blade, so that the replacement blade 801 can be directly replaced under the condition that the sharpening end of the cutting blade 8 is worn.

The working principle is that in the use process, the transmission frame 1 is connected with an outlet of a silicon rubber production discharging machine, silicon rubber flows onto the transmission frame 1 after being discharged, and the transmission of the silicon rubber is realized through the operation of a transmission roller on the transmission frame 1. When the silicon rubber is transmitted to the lower part of the cutting fixing frame 2, the position of the silicon rubber to be cut is positioned by using a laser positioner;

After the positioning is finished, a jacking structure and a lower pushing cylinder 14 are started, the lower pushing cylinder 14 drives an arc plate 15 to move downwards, silicon rubber on a driving roller is extruded and limited, meanwhile, an upper jacking cylinder 17 in the jacking structure is started to drive a U-shaped rolling seat 18 and a jacking roller 19 to move upwards, the jacking silicon rubber is matched with the arc plate 15 to tension the silicon rubber, the phenomenon that the silicon rubber rebounds a cutter in the cutting process is reduced, after the silicon rubber is tensioned, a moving module 3 is started, a positioning plate 4, a telescopic cylinder 6 and a cutter 8 are driven to move transversely, the bottom of the cutter 8 is connected with the supporting seat 11 through a supporting rod 12 in the moving process of the cutter 8, the supporting seat 11 is slidably connected to the outside of a guide rod 10, the guide rod 10 is fixed on a fixed plate 9, the fixed plate 9 is positioned in a placing groove 5 of a frame of the driving frame 1, the placing groove 5 is parallel to the cutter 8, and the guide rod 11 is matched with the guide rod 10 to guide the cutter 8, so that the stability of the transverse movement of the cutter 8 is ensured;

The cutting knife 8 firstly cuts a cutting opening on one side of the silicon rubber, then slides along the cutting opening for cutting, and the overall cutting speed is faster. When the larger and thicker silicone rubber is cut, the ultrasonic connector 7 is started, ultrasonic vibration generated by the ultrasonic generator is transmitted to the outside of the cutting knife 8, so that the cutting knife 8 and the ultrasonic connector 7 integrally form the ultrasonic cutting knife, at the moment, the larger and thicker silicone rubber is easier to transversely cut, and the cutting knife 8 transversely moves to reduce the phenomenon of cutting staggered layers.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The cutting device for the silicone rubber production process is characterized by comprising a transmission frame (1), wherein a cutting fixing frame (2) is fixedly connected to the transmission frame (1), a movable module (3) is fixedly connected to one side, close to the transmission frame (1), of the cutting fixing frame (2), a locating plate (4) is connected to a sliding seat of the movable module (3) through a bolt, a telescopic cylinder (6) is fixedly connected to the lower part of the locating plate (4), and a cutting structure is arranged at the end part of a telescopic rod of the telescopic cylinder (6);

the cutting structure comprises a cutting knife (8), the cutting knife (8) is connected with the end part of the telescopic rod of the telescopic cylinder (6) through an ultrasonic structure, and the bottom of the cutting knife (8) is connected with a guiding and positioning structure;

Two positioning fixing frames (13) are fixedly connected to the transmission frame (1), one side, close to the transmission frame (1), of each positioning fixing frame (13) is fixedly connected with two lower pushing cylinders (14), arc plates (15) are fixedly connected to the lower sides of the lower pushing cylinders (14), a jacking structure is connected to the lower sides of the transmission frame (1), and the jacking structure is used for tensioning silicone rubber in cooperation with the lower pushing cylinders (14) and the arc plates (15).

2. The cutting device for the silicone rubber production process according to claim 1, wherein two placing grooves (5) are formed in the frame of the transmission frame (1), the placing grooves (5) are parallel to the cutting knife (8), and the cutting knife (8) is slidably connected to the inside of the placing grooves (5).

3. The cutting device for the silicone rubber production process according to claim 2, wherein the guiding and positioning structure comprises two fixing plates (9), the two fixing plates (9) are respectively and fixedly connected to the inside of the placement groove (5), a guide rod (10) is fixedly connected to the fixing plates (9), a supporting seat (11) is slidably connected to the outside of the guide rod (10), a sliding groove is formed in the supporting seat (11), a supporting rod (12) is slidably connected to the inside of the sliding groove, and the supporting rod (12) is fixedly connected to the bottom of the cutting knife (8).

4. A cutting device for use in a silicone rubber production process as claimed in claim 1, wherein the ultrasonic structure comprises an ultrasonic connector (7), the ultrasonic connector (7) being fixedly connected to the telescopic rod end of the telescopic cylinder (6), the ultrasonic emission of the ultrasonic connector (7) being fixedly connected to the top of the cutting blade (8).

5. The cutting device for the silicone rubber production process according to claim 1, wherein the jacking structure comprises a lower mounting seat (16), two upper jacking cylinders (17) are fixedly connected to the lower mounting seat (16), a U-shaped rolling seat (18) is fixedly connected to the end portion of a piston rod of each upper jacking cylinder (17), a jacking roller (19) is rotatably connected to the outer portion of each U-shaped rolling seat (18), and the jacking roller (19) is located between two positioning fixing frames (13).

6. The cutting device for the silicone rubber production process according to claim 1, wherein a plurality of inserting grooves (803) are formed in the edge-forming ends of two sides of the cutting knife (8), an electromagnet adsorption block (802) is inserted into the inserting grooves (803), and a replacement cutting edge (801) is fixedly connected to the outer portion of the electromagnet adsorption block (802).