CN-224210037-U - High-precision cutting device for thermoplastic elastomer

CN224210037UCN 224210037 UCN224210037 UCN 224210037UCN-224210037-U

Abstract

The utility model relates to the technical field of thermoplastic elastomers, in particular to a high-precision cutting device for a thermoplastic elastomer, which comprises a cutting machine body and a cutter arranged on the cutting machine body, wherein a supporting plate and a limiting pipe are fixedly arranged on the cutting machine body, the limiting pipe is used for limiting the outward extension of a tubular thermoplastic elastomer, and an anti-adhesion component used for preventing adhesion of cuts formed during cutting of the tubular thermoplastic elastomer is arranged on the cutting machine body. According to the utility model, when the tubular thermoplastic elastomer is cut, the semicircular adsorption ring adsorbs the thermoplastic elastomer to move on the long rod to reach the cutting length, and then the adsorption ring and the semicircular adsorption ring adsorb and fix the tubular thermoplastic elastomer to keep the straightening effect and the cutting stability, so that the condition that the cutting accuracy is affected due to the fact that the tubular thermoplastic elastomer slides or twists due to the cutting pressure is prevented, and the cutting accuracy is affected due to the fact that the cutting pressure is increased, so that the cutting can be more accurate.

Inventors

LI BINGQING
CHU WEI
WU WEIWU

Assignees

杭州锦川高分子材料有限公司

Dates

Publication Date: 20260508
Application Date: 20250527

Claims (7)

1. The high-precision cutting device for the thermoplastic elastomer comprises a cutting machine body (1) and a cutter (2) arranged on the cutting machine body (1), and is characterized in that a supporting plate (3) and a limiting pipe (4) are fixedly arranged on the cutting machine body (1), and the limiting pipe (4) is used for limiting the outward extension of the tubular thermoplastic elastomer; The cutting machine is characterized in that an anti-adhesion component used for preventing the incision from adhering when the tubular thermoplastic elastomer is cut is arranged on the cutting machine body (1), the anti-adhesion component comprises an adsorption ring (5) fixedly connected to the limiting pipe (4), a semicircular adsorption ring (6) is arranged on one side of the adsorption ring (5), and a long rod (7) used for being inserted into the inner cavity of the tubular thermoplastic elastomer is arranged in the middle of the semicircular adsorption ring (6).
2. The high-precision cutting device for the thermoplastic elastomer according to claim 1, wherein a semicircular guide ring (8) is fixedly connected to the semicircular adsorption ring (6), the semicircular guide ring (8) is attached to the adsorption ring (5), and the semicircular guide ring (8) is used for guiding tubular thermoplastic elastomer to enter the semicircular adsorption ring (6) from the adsorption ring (5).
3. The high-precision cutting device for the thermoplastic elastomer according to claim 1, wherein a guide block (9) is fixedly connected to the long rod (7), a chamfer is arranged at the end part of the guide block (9), the guide block (9) is used for guiding the tubular thermoplastic elastomer to be sleeved on the long rod (7), a space is arranged between the end part of the guide block (9) and the adsorption ring (5), and the space is used for the cutter (2) to cut.
4. The high-precision thermoplastic elastomer cutting device according to claim 1, wherein a semicircular supporting block (10) is attached to the bottom end of the semicircular adsorption ring (6), and a pulling plate (11) is fixedly connected to the semicircular supporting block (10).
5. The thermoplastic elastomer high-precision cutting device according to claim 4, wherein the semicircular adsorption rings (6) and the adsorption rings (5) are provided with adsorption holes (12), the semicircular adsorption rings (6) are fixedly connected with connecting plates (13), the tops of the adsorption rings (5) and the connecting plates (13) are provided with vacuum pumps (14), and the vacuum pumps (14) are used for generating adsorption force for the semicircular adsorption rings (6) and the adsorption rings (5).
6. The high-precision thermoplastic elastomer cutting device according to claim 5, wherein a first electric sliding rail (15) is fixedly installed on the supporting plate (3), a moving plate (16) is fixedly installed on a sliding block in the first electric sliding rail (15), a second electric sliding rail (17) is fixedly installed on the moving plate (16), and the sliding block in the second electric sliding rail (17) is fixedly connected with the connecting plate (13).
7. The high-precision cutting device for the thermoplastic elastomer according to claim 6, wherein the pull plate (11) is slidably connected in the moving plate (16), the pull plate (11) is fixedly connected with the long rod (7), the moving plate (16) is fixedly connected with an electric push rod (18), the electric push rod (18) is fixedly connected with the pull plate (11), and the long rod (7) is provided with a ball (19).

Description

High-precision cutting device for thermoplastic elastomer Technical Field The utility model relates to the technical field of thermoplastic elastomers, in particular to a high-precision cutting device for a thermoplastic elastomer. Background Thermoplastic elastomer (TPE) is a polymer material with rubber and plastic characteristics, and has the characteristics of rubber elasticity at normal temperature, plasticizing and forming at high temperature, convenient processing, environmental protection, no toxicity, comfortable hand feeling and the like, and is widely applied in a plurality of fields, and extrusion forming is one of common processing modes of thermoplastic elastomer, such as the thermoplastic elastomer needs to be extruded into a tubular form when applied to the fields of hydraulic hoses, automobile pipelines and the like. The tubular thermoplastic elastomer after extrusion molding is produced and needs to be cut, when the tubular thermoplastic elastomer is cut by conventional cutting equipment, the tubular thermoplastic elastomer is gradually conveyed through a cutter to realize cutting, but in the cutting process, the contact surface of the cutter and the tubular thermoplastic elastomer generates heat due to friction, especially when the cutter is cut at a high speed or passivated, the material is softened by local temperature rise, the pressure generated when the cutter is cut is added to deform the notch, so that the upper half part and the lower half part of the notch are fused and adhered, and the quality of the cut product is affected. For this reason, a high-precision cutting device for thermoplastic elastomer is proposed. Disclosure of utility model The utility model aims to provide a high-precision cutting device for a thermoplastic elastomer, which is used for solving the problems in the background technology. The high-precision thermoplastic elastomer cutting device comprises a cutting machine body and a cutter arranged on the cutting machine body, wherein a supporting plate and a limiting pipe are fixedly arranged on the cutting machine body, the limiting pipe is used for extending and limiting a tubular thermoplastic elastomer outwards, an anti-adhesion component used for preventing adhesion of a notch formed during cutting of the tubular thermoplastic elastomer is arranged on the cutting machine body, the anti-adhesion component comprises an adsorption ring fixedly connected to the limiting pipe, one side of the adsorption ring is provided with a semicircular adsorption ring, and a long rod used for being inserted into an inner cavity of the tubular thermoplastic elastomer is arranged in the middle of the semicircular adsorption ring. Preferably, the semicircle adsorption ring is fixedly connected with a semicircle guide ring, and the semicircle guide ring is attached to the adsorption ring, and the semicircle guide ring is used for guiding the tubular thermoplastic elasticity to enter into the semicircle adsorption ring from the adsorption ring. Preferably, the long rod is fixedly connected with a guide block, the end part of the guide block is provided with a chamfer, the guide block is used for guiding the tubular thermoplastic elastic sleeve joint on the long rod, a distance is arranged between the end part of the guide block and the adsorption ring, and the distance is used for a cutter to cut. Preferably, the bottom laminating of semicircle adsorption ring is equipped with semicircle backing block, fixedly connected with arm-tie on the semicircle backing block. Preferably, the semicircle adsorption ring and the adsorption ring are provided with adsorption holes, the semicircle adsorption ring is fixedly connected with a connecting plate, the top of the adsorption ring and the connecting plate are provided with vacuum pumps, and the vacuum pumps are used for generating adsorption force by the semicircle adsorption ring and the adsorption ring. Preferably, the first electric sliding rail is fixedly installed on the supporting plate, the moving plate is fixedly installed on the sliding block in the first electric sliding rail, the second electric sliding rail is fixedly installed on the moving plate, and the sliding block in the second electric sliding rail is fixedly connected with the connecting plate. Preferably, the pulling plate is slidably connected in the moving plate, and the pulling plate is fixedly connected with the long rod, the moving plate is fixedly connected with an electric push rod, the electric push rod is fixedly connected with the pulling plate, and the long rod is provided with balls. The utility model has the beneficial effects that: According to the utility model, when the tubular thermoplastic elastomer is cut, the semicircular adsorption ring adsorbs the thermoplastic elastomer to move on the long rod to reach the cutting length, and then the adsorption ring and the semicircular adsorption ring adsorb and fix the tubular thermoplastic elastomer to keep