CN203485252U

CN203485252U - Multifunctional cutter

Info

Publication number: CN203485252U
Application number: CN201320496036.4U
Authority: CN
Inventors: 张芝泉; 张建浩
Original assignee: Tianjin Saixiang Industrial Automation Technology Co Ltd
Current assignee: Tianjin Saixiang Industrial Automation Technology Co Ltd
Priority date: 2013-08-14
Filing date: 2013-08-14
Publication date: 2014-03-19
Anticipated expiration: 2023-08-14

Abstract

The utility model discloses a multifunctional cutter comprising a cutter and a temperature controller controllably connected with the cutter. The cutter comprises a block-shaped cutter body, a cutting edge part formed on the front part of the cutter body and a connecting part integrally formed on the central part of the back part of the cutter body and fixedly connecting with a connecting arm, wherein the upper surface of the cutter body is inwardly recessed to form a recessed cavity; a sheet-shaped heating resistor is respectively fastened on two sides of the recessed cavity; between the two heating resistors, there is provided a temperature sensing unit; the recessed cavity is sealed by a cover plate fixedly connected with the cutter body; and the cover plate is aligned to the upper surface of the cutter body. The multifunctional cutter is simply structured with low cost; temperature distribution on the cutting edge is even, so that cutting quality can be effectively guaranteed; with addition of temperature control and current control, operation of the cutter becomes more stable; and stronger man-machine interaction is provided, thereby effectively preventing the cutter working at an abnormal state and improving work stability and reliability.

Description

Multi-functional cut-off knife

Technical field

The utility model relates to rubber and the standby auxiliary device technical field of plastics, particularly relates to a kind of multi-functional cut-off knife.

Background technology

Multi-functional cut-off knife is a lot of rubber and the conventional support device of plastics machinery, and its function is to make cut-off knife remain on stationary temperature scope by temperature controller, to guarantee good heat transmission, makes cut-off knife can complete smoothly cutting rubber and plastic products.Form the unified shape of moderate length, to carry out next process, there is following point in conventional cut-off knife electric heater at present: in use operator need to adjust temperature according to technological requirement, the function of existing cut-off knife electric heater aspect adjustment temperature and displays temperature is not good enough, therefore operator cannot observe directly current temperature, when particularly on it, heater damage or externally fed are abnormal, operator can not find the variation of temperature in time, result causes cut-off knife to work at low temperatures, also there is blank in existing cut-off knife heater in addition aspect monitoring current.Therefore directly monitoring current changes, when output abnormality, just cause the excessive damage machine of circuit load, will have a strong impact on like this quality that cuts of rubber and plastic products, and existing cutting means price is too expensive, and maintenance difficult, expense are higher, and Ye Gei enterprise brings no small financial burden.

Utility model content

The purpose of this utility model is for the technological deficiency existing in prior art, and provides a kind of temperature to adjust the multi-functional cut-off knife of convenient and homogeneous heating.

For realizing the technical scheme that the purpose of this utility model adopts, be:

A kind of multi-functional cut-off knife, comprise cut-off knife and with the described controlled temperature controller being connected of cut-off knife, described cut-off knife comprises block cut-off knife body, be formed on the blade of cut-off knife body portion and be integrally formed in the connecting portion of cut-off knife rear body center in order to be fixedly connected with linking arm, at described cut-off knife body upper surface, be formed with cavity with caving inward, in described cavity both sides, be fixedly installed respectively sheet heating resistor, in the middle of two heating resistors, be provided with temperature sensing unit, the cover plate being fixedly connected with described cut-off knife body is by described cavity sealing and maintain an equal level with cut-off knife body upper surface.

Described linking arm is tubular structure, at its front end, be formed with inner stopper, seam inner side is formed with the centring ring of through hole in the middle of being formed with within it, before and after described centring ring, is respectively arranged with bakelite plate, and the bakelite plate described in running through and the bolt of centring ring are fixedly connected with linking arm with cut-off knife.

Described temperature controller comprises and the controlled temperature control modules being connected of described heating resistor and current monitoring module, and keeps with described current monitoring module the protective tube and the indicator lamp that are electrically connected to.

Compared with prior art, the beneficial effects of the utility model are:

The simple cost of multi-functional cutter structure of the present utility model is low, and the Temperature Distribution of blade is balanced, can effectively guarantee to cut quality, increase temperature control and Current Control simultaneously, make its operation more steady, there is stronger human-computer interaction, can effectively avoid cut-off knife to be operated in abnormal condition, effectively improve its job stability and reliability.

Accompanying drawing explanation

Figure 1 shows that the multi-functional cutter structure schematic diagram of this practical habit;

Figure 2 shows that the A-A cross section structure schematic diagram shown in Fig. 1;

Figure 3 shows that the B-B cross section structure schematic diagram shown in Fig. 1.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As Figure 1-3, multi-functional cut-off knife of the present utility model comprise cut-off knife and with the described controlled temperature controller being connected of cut-off knife, described cut-off knife comprises block cut-off knife body 2, be formed on the blade 1 of cut-off knife body portion and be integrally formed in the connecting portion 3 of rear body center in order to be fixedly connected with linking arm, at described cut-off knife body upper surface, be formed with cavity 4 with caving inward, in described cavity both sides, be fixedly installed respectively sheet heating resistor 5, in the middle of two heating resistors, be provided with temperature sensing unit 8, the cover plate 6 being fixedly connected with described cut-off knife body 2 is by described cavity sealing and maintain an equal level with cut-off knife body upper surface.

, the upper surface of block cut-off knife body is planar structure and progressively attenuation of lower surface, when maintaining its predetermined strength, at front end, form blade, certainly its profile of cut-off knife for special-purpose is not limited to this, in thicker region, be that cut-off knife body forms cavity by the setting of sheet heating resistor wherein, when guaranteeing its overall structural integrity, can improve uniformity and the clean environmental protection of cut-off knife blade Temperature Distribution, and temperature sensing unit is arranged in the middle of two heating resistors, guarantee the accuracy of temperature acquisition position, by the PID certainly adjusting, regulate and control the temperature that can directly control to blade, and the heating surface (area) (HS of sheet heating resistor is large, control more rapid accurate.Simultaneously, setting for each assembly and line thereof in raising cavity, at described linking arm front end, be provided with the second cavity being communicated with this cavity, the location structure of connecting line or temperature sensing unit etc. can be set in the second described cavity, the second described cavity by the second pressing plate matching by 9 to sealing.

Further, for avoiding the heat of cut-off knife to cause linking arm excess Temperature to distributing of linking arm, at described linking arm 3 front ends, be formed with inner stopper, seam inner side is formed with the centring ring 31 of through hole in the middle of being formed with within it, the through hole of described centring ring is in order to pass holding wire and power line etc., make cut-off knife and temperature controller keep being connected, before and after described centring ring, be respectively arranged with bakelite plate 7, bakelite plate described in running through and the bolt of centring ring are fixedly connected with linking arm with cut-off knife, the place that utilizes bakelite plate directly to contact with linking arm at cut-off knife connecting portion cuts off, can effectively avoid heat to distribute to linking arm, also improved safety in utilization simultaneously.

Meanwhile, be to improve the control to cut-off knife, described temperature controller comprises respectively and the controlled temperature control modules being connected of cut-off knife and current monitoring module, and protective tube and indicator lamp.Temperature control modules and current monitoring module can adopt commercial element, described temperature control modules, as numeric type intelligent temperature control table can be controlled by design temperature and the actual temperature control detecting the work of heating resistor, can intuitively show simultaneously, described current monitoring module is in order to monitor externally fed and to the output current of heating resistor, when appearance is abnormal, can cuts off the power supply of whole device and notify user's problem to occur by indicator lamp by protective tube, can effectively avoid because man-machine interaction does not freely cause cut-off knife to be operated in abnormal condition, by direct monitoring current, change, in the time of effectively avoiding output abnormality, because circuit load is excessive, cause machine breakdown, the quality that cuts of rubber and plastic products is guaranteed.

The above is only preferred embodiment of the present utility model; it should be noted that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a multi-functional cut-off knife, it is characterized in that, comprise cut-off knife and with the described controlled temperature controller being connected of cut-off knife, described cut-off knife comprises block cut-off knife body, be formed on the blade of cut-off knife body portion and be integrally formed in the connecting portion of cut-off knife rear body center in order to be fixedly connected with linking arm, at described cut-off knife body upper surface, be formed with cavity with caving inward, in described cavity both sides, be fixedly installed respectively sheet heating resistor, in the middle of two heating resistors, be provided with temperature sensing unit, the cover plate being fixedly connected with described cut-off knife body is by described cavity sealing and maintain an equal level with cut-off knife body upper surface.

2. multi-functional cut-off knife as claimed in claim 1, it is characterized in that, described linking arm is tubular structure, front end at linking arm is formed with inner stopper, in the middle of being formed with, described inner stopper inner side is formed with the centring ring of through hole, before and after described centring ring, be respectively arranged with bakelite plate, the bakelite plate described in running through and the bolt of centring ring are fixedly connected with linking arm with cut-off knife.

3. multi-functional cut-off knife as claimed in claim 1, it is characterized in that, described temperature controller comprises and the controlled temperature control modules being connected of described heating resistor and current monitoring module, and keeps with described current monitoring module the protective tube and the indicator lamp that are electrically connected to.