CN115007943A

CN115007943A - Fixing device is used in cutting of hot resistance production with fixed effect in advance

Info

Publication number: CN115007943A
Application number: CN202210768878.4A
Authority: CN
Inventors: 张新华; 郑奎; 王东梁
Original assignee: Tianchang Haitong Instrument Cable Co ltd
Current assignee: Tianchang Haitong Instrument Cable Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-06

Abstract

The invention relates to the technical field of thermosensitive device production, in particular to a fixing device with a pre-fixing effect for cutting raw materials for thermal resistor production. It includes fixed knot structure, and fixed knot constructs including the bottom plate and the opposition body, and the bottom plate is equipped with the support column, and the opposition body includes outer surrounding plate, and outer surrounding plate is connected with outer roller, and outer roller is equipped with even board, and outer roller is through even board and outer surrounding plate internal surface connection that sets up, and outer surrounding plate is equipped with the midbody, and the midbody includes space bar and interior supporting body, and the space bar is pegged graft and is cooperated has a pair of both ends body, and interior supporting body includes interior roller, and interior roller is equipped with outer supporting structure, and outer surrounding plate top is equipped with the cutting body. According to the invention, the inner rollers are inserted into the insulating sleeve, the outer support structure moves outwards, so that the insulating sleeve is spread, and the four outer rollers are in contact with the outer wall of the insulating sleeve, so that the outer support structure can be prevented from moving outwards continuously, and the insulating sleeve is prevented from being broken due to excessive expansion of the outer support structure while the insulating sleeve is ensured to be spread and shaped.

Description

Fixing device is used in cutting of hot resistance production with fixed effect in advance

Technical Field

The invention relates to the technical field of thermosensitive device production, in particular to a fixing device with a pre-fixing effect for cutting raw materials for thermal resistor production.

Background

The thermal resistor is a temperature detector used in medium and low temperature regions, the temperature measurement principle is based on the characteristic that the resistance value of a metal conductor increases along with the increase of temperature to measure the temperature, the measurement precision of the thermal resistor is high, and the thermal resistor is not only widely applied to industrial temperature measurement, but also made into a standard reference temperature instrument.

The thermal resistor comprises components such as a temperature sensing element, an outgoing line, an insulating sleeve and a junction box, wherein the insulating sleeve can protect the thermal resistor from short circuit, and the length of the insulating sleeve has certain requirements during production of the thermal resistor, so that a space is reserved between the insulating sleeve and the temperature sensing element and air is filled in the space, an air cavity between the insulating sleeve and the temperature sensing element can serve as an auxiliary insulating structure, the sleeve capacitance is reduced, and the corona voltage and the sliding flash voltage of the sleeve are improved.

Because the insulating sleeve hardness of silica gel material is low, its pipe wall is yielding, for the installation of the easy temperature-sensing element, need strut insulating sleeve inside for the convenience, consequently adopt the fixed tool to fix insulating sleeve's shape in advance, and be convenient for follow-up cutting process to insulating sleeve, however when using internal stay formula anchor clamps fixed insulating sleeve, insulating sleeve's pipe wall is propped open excessive deformation and even breaks, when using double-sided anchor clamps to insulating sleeve surface centre gripping fixed, the insulating sleeve pipe wall is shriveled, its pipe internal diameter diminishes and is not enough to put into the temperature-sensing element, consequently, propose a raw materials for thermal resistance production cutting fixing device who has the effect of fixing in advance.

Disclosure of Invention

The invention aims to provide a fixing device for cutting raw materials for producing thermal resistors, which has a pre-fixing effect and solves the problems in the background technology.

In order to achieve the above object, the present invention provides a fixing device for cutting raw materials for producing thermal resistors, which has a pre-fixing effect, and comprises a fixing structure, wherein the fixing structure comprises a bottom plate and an opposite body arranged on the top of the bottom plate, support pillars are symmetrically arranged on the surface of the top of the bottom plate, the opposite body comprises a pair of peripheral plates, two ends of each peripheral plate are in plug-in fit with the support pillars, two outer rollers are respectively connected to two sides of the inner surface of each peripheral plate, a connecting plate is arranged on one side of each outer roller, which is close to the inner surface of each peripheral plate, the outer rollers are connected to the inner surfaces of the peripheral plates through the connecting plates, an intermediate body is arranged between the two peripheral plates, the intermediate body comprises a partition plate and an inner support body arranged in the partition plate, the partition plate is arranged between the two peripheral plates, and the tops of the support pillars pass through two ends of the partition plate, the space bar internal surface grafting cooperation has a pair of both ends body, interior supporter include with the interior roller of both ends body inboard connection, interior roller is kept away from both ends body one side is equipped with the external stay structure, the external stay structure is used for strutting the insulation support inner wall, the external surrounding plate top is equipped with the cutting body.

As a further improvement of the technical scheme, the surface of one end of the inner roller, which is far away from the two end bodies, is symmetrically provided with a movable groove, the outer support structure comprises a movable sleeve which is positioned in the movable groove, a support sleeve is inserted in the movable sleeve, the inner side of the support sleeve is provided with an insertion shaft, the bottom of the insertion shaft is provided with an outer support spring, and the insertion shaft is connected with the inner surface of the movable sleeve through the arranged outer support spring.

As a further improvement of the technical scheme, the cutting body comprises a pressing plate and a hanging plate arranged at the bottom of the pressing plate, the pressing plate is in plug-in fit with the top of the supporting column, the bottom of the hanging plate is rotatably connected with a saw disc, a power groove is formed in the top end of the hanging plate, a servo motor is arranged in the power groove and is provided with a belt, and the servo motor is in transmission connection with the saw disc through the arranged belt.

As a further improvement of the technical scheme, stabilizing grooves are symmetrically formed in two ends of the surface of one side, close to the spacing plate, of the peripheral plate, stabilizing plates are symmetrically arranged at two ends of the upper surface and the lower surface of the spacing plate, and the stabilizing plates are in plug-in fit with the stabilizing grooves.

As a further improvement of the technical scheme, two sides of the two end bodies are provided with limited sliding grooves, an inner plate frame is arranged in the partition plate, sliding plates are arranged at two ends of the inner plate frame, and the sliding plates are in sliding connection with the limited sliding grooves.

As a further improvement of the technical scheme, the opening has been seted up to the space bar both ends longitudinal symmetry, be equipped with the logical cover in the opening, the logical cover is close to the opening internal side surface is equipped with extrusion spring, the logical cover through the extrusion spring that sets up with opening internal surface connection.

As a further improvement of the technical scheme, the top end of the pressure plate is provided with a plate groove, the pressure plate is in sliding connection with the top of the hanging plate, the inner roller is in plug-in fit with the two end bodies, and the connecting plate is in plug-in fit with the inner surface of the outer peripheral plate.

As a further improvement of the technical scheme, the connecting plate is a cross plate, through grooves are symmetrically formed in the two ends of the peripheral plate, the through grooves are cross grooves, and the connecting plate is matched with the through grooves in a clamping mode.

As a further improvement of the technical scheme, the two ends of the top of the hanging plate are connected with a pair of plates, sleeve plates are arranged at the bottoms of the plates, a pair of clamping sleeves are arranged on the surfaces of the connecting plates, and the sleeve plates are in clamping fit with the clamping sleeves.

As a further improvement of the technical scheme, the opposed body further comprises a connecting body, the connecting plate is far away from one end of the outer roller, a clamping groove is formed in one end of the outer roller, the connecting body comprises a clamping plate and a screw rod rotatably connected with the clamping plate, the clamping plate is clamped and matched with the clamping groove, the inner roller is close to one end of each of the two end bodies, a rotating shaft is formed in one end of each of the two end bodies, and the screw rod is close to one end of the inner supporting body and connected with the rotating shaft in a threaded mode.

Compared with the prior art, the invention has the beneficial effects that:

1. in this fixing device is used in cutting of raw materials for thermal resistor production with pre-fixing effect, through with the interior roller insert insulating sleeve intraductal, the outer strut structure outwards removes for insulating sleeve is strutted, and makes four outer roller contact insulating sleeve outer walls, can avoid the outer strut structure to continue outwards removing, thereby when guaranteeing that insulating sleeve is strutted the design, avoids because the fracture of insulating sleeve that the excessive expansion of outer strut structure leads to.

2. This fixing device is used in cutting of raw materials for thermal resistance production with pre-fixed effect, through grafting complex mode for the space bar can be fixed with two outer surrounding plate combinations, thereby avoids when the cutting because the space bar takes place not hard up for the insulating sleeve that outer surrounding plate's removal leads to, can ensure insulating sleeve's fixed effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a fixing base plate according to the present invention;

FIG. 3 is a schematic view of an opposed body structure according to the present invention;

FIG. 4 is a schematic diagram of a peripheral board structure according to the present invention;

FIG. 5 is a schematic cross-sectional view of a connector according to the present invention;

FIG. 6 is a schematic diagram of the structure of an intermediate of the present invention;

FIG. 7 is a schematic cross-sectional view of the spacer of the present invention;

FIG. 8 is a schematic view of the inner frame structure of the present invention;

FIG. 9 is a schematic cross-sectional view of a cutter portion of the present invention;

FIG. 10 is a schematic view of a second embodiment of the cutting body of the present invention.

The various reference numbers in the figures mean:

1. a fixed structure; 11. a base plate; 111. a support column; 12. an opposing body; 121. a peripheral plate; 122. an outer roller; 123. connecting plates; 124. a through groove; 125. a card sleeve; 126. a card slot; 13. an intermediate; 131. a partition plate; 132. two end bodies; 133. an inner plate frame; 134. a slide plate; 135. a port; 136. sleeving; 14. cutting the body; 141. pressing a plate; 142. a hanger plate; 143. sawing a disc; 144. a plate groove; 145. aligning the plate; 146. sheathing; 15. a linker; 151. clamping a plate; 152. a screw; 16. an inner support; 161. an inner roll; 162. a movable groove; 163. a movable sleeve; 164. a support sleeve; 165. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1-10, the present embodiment aims to provide a fixing device for cutting raw material for thermal resistor production with a pre-fixing effect, which includes a fixing structure 1, the fixing structure 1 includes a bottom plate 11 and an opposite body 12 disposed on the top of the bottom plate 11, the top surface of the bottom plate 11 is symmetrically provided with support pillars 111, the support pillars 111 are inverted "T" shaped cylinders, the opposite body 12 includes a pair of peripheral plates 121, the peripheral plates 121 include a square frame and square plates symmetrically disposed on both ends of the square frame, both ends of the peripheral plates 121 are provided with through holes, the through holes are circular through holes, the top of the support pillars 111 of the inverted "T" shaped cylinders pass through the through holes, both ends of the peripheral plates 121 are in inserting fit with the support pillars 111, both sides of the inner surface of the peripheral plate 121 are respectively connected with two outer rollers 122, one side of the outer roller 122 close to the inner surface of the peripheral plate 121 is provided with a connecting plate 123, the outer rollers 122 are connected with the inner surface of the peripheral plate 121 through the connecting plate 123, an intermediate body 13 is arranged between the two peripheral plates 121, the intermediate body 13 comprises a spacing plate 131 and an inner support body 16 arranged in the spacing plate 131, the spacing plate 131 is arranged between the two peripheral plates 121, the spacing plate 131 comprises a square frame and square plates symmetrically arranged at two sides of the square frame, the top of the support column 111 penetrates through two ends of the spacing plate 131, square grooves are symmetrically arranged at two sides of the inner surface of the spacing plate 131, a pair of two end bodies 132 are inserted and matched with the inner surface of the spacing plate 131, the two end bodies 132 are vertical plates with square protrusions at one side, the square protrusions of the two end bodies 132 are inserted and matched with the square grooves of the spacing plate 131, the inner support body 16 comprises an inner roller 161 connected with the inner side of the two end bodies 132, an outer support structure is arranged at one side of the inner roller 161, which is far away from the two end bodies 132, the outer support structure is used for supporting the inner wall of the insulating sleeve and fixing the shape of the insulating sleeve in advance, and the outer support structure moves outwards by inserting the inner roller 161 into the insulating sleeve, make insulation support strutted, arrange division board 131 in between two outer surrounding plate 121, make four outer roller 122 contact insulation support outer walls, can avoid outer strut structure to continue outside removal, thereby when guaranteeing that insulation support strutted the design, avoid because the fracture of the insulation support that the excessive expansion of outer strut structure leads to, outer surrounding plate 121 top is equipped with cutting body 14, cutting body 14 is used for the cutting to insulation support, when insulation support is realized inside and outside centre gripping fixed by outer strut structure and outer roller 122, can cut insulation support through cutting body 14.

In specific use of the embodiment, two inner supports 16 are respectively inserted into two ends of an insulating sleeve, one end of each inner roller 161, which is far away from the insulating sleeve, is inserted into the two end bodies 132, the two end bodies 132 fixed with the insulating sleeve are clamped into the square grooves on the inner surface of the partition plate 131, the sliding plates 134 of the inner plate frame 133 are slid downwards from the tops of the two end bodies 132, so that the two end bodies 132 are fixedly connected with the inner plate frame 133, two ends of the partition plate 131 are slid downwards along the tops of the supporting columns 111 until the stabilizing plates at the bottoms of the partition plates 131 are clamped into the stabilizing grooves of the bottom peripheral plates 121, the other peripheral plate 121 is slid downwards along the tops of the supporting columns 111, before the stabilizing plates at the tops of the partition plates 131 are clamped into the stabilizing grooves of the top peripheral plates 121, the clamping plates 151 are clamped into the clamping grooves 126, the screw 152 is rotated, so that the screw 152 is in threaded connection with one end of the inner roller 161, the pressing plates 141 are slid downwards along the tops of the supporting columns 111, the pressing plate 141 is moved downwards to make the peripheral plate 121 and the spacing plate 131 overcome the elastic force of the pressing spring, and the combined fixing of the peripheral plate 121 and the spacing plate 131 is completed, at this time, under the elastic force of the external supporting spring, the supporting sleeve 164 moves outwards along the movable sleeve 163 to contact the inner wall of the insulating sleeve, the insulating sleeve is opened to make the outer wall of the insulating sleeve contact with the outer roller 122, while ensuring that the insulating sleeve is unfolded and shaped, the cracking of the insulating sleeve caused by the excessive outward expansion of the supporting sleeve 164 is avoided, the servo motor drives the saw disc 143 to rotate through the belt to cut the insulating sleeve, the saw disc 143 moves along the plate groove 144 during cutting, and by moving the outer rollers 122 synchronously along the through slots 124 by the plate 145, and by moving the outer rollers 122 synchronously moving the inner rollers 161 by the clamping plates 151, thereby preventing the outer roller 122 from obstructing the cutting of the saw disc 143 and preventing the saw disc 143 from causing damage to the inner support 16.

In this embodiment, in order to open the insulating sleeve, the inner roller 161 is a "T" shaped cylinder, the surface of one end of the inner roller 161, which is far away from the two end bodies 132, is symmetrically provided with a movable groove 162, the movable groove 162 is a groove with a partial annular structure, the outer support structure includes a movable sleeve 163 located in the movable groove 162, the movable sleeve 163 is a hollow cylinder, a support sleeve 164 is inserted in the movable sleeve 163, the support sleeve 164 is a partial cylindrical structure with a partial annular structure groove on the inner side, an insertion shaft is arranged on the inner side of the support sleeve 164, an outer support spring is arranged at the bottom of the insertion shaft, the insertion shaft is connected with the inner surface of the movable sleeve 163 through the arranged outer support spring, when the inner roller 161 is located inside the insulating sleeve, the insertion shaft drives the support sleeve 164 to move outwards along the movable sleeve 163 under the pushing of the outer support spring until the support sleeve 164 contacts the inner wall of the insulating sleeve, and the insulating sleeve is approximately circular after being opened due to the partial cylindrical structure of the support sleeve 164, thereby facilitating the subsequent insertion and installation of the temperature sensing element.

In order to facilitate cutting of the insulating sleeve, the cutting body 14 includes a pressing plate 141 and a hanging plate 142 arranged at the bottom of the pressing plate 141, circular through holes are formed in two ends of the pressing plate 141, the top of the supporting column 111 penetrates through the circular through holes of the pressing plate 141, the pressing plate 141 is in insertion fit with the top of the supporting column 111, a saw disc 143 is rotatably connected to the bottom of the hanging plate 142, a power groove is formed in the top end of the hanging plate 142, the power groove is a square through hole, a servo motor is arranged in the power groove and provided with a belt, the servo motor is in transmission connection with the saw disc 143 through the belt, the pressing plate 141 is penetrated through the top of the supporting column 111, the pressing plate 141 slides downwards along the supporting column 111 to extrude the outer surrounding plate 121 and the partition plate 131, the insulating sleeve is fixed, the servo motor enables the saw disc 143 to rotate through the belt, and the saw disc 143 is in contact with the surface of the insulating sleeve to perform cutting.

In order to ensure the fixed effect to insulation support, peripheral board 121 has seted up stabilizing slot near the symmetry of spacer 131 one side surface both ends, stabilizing slot is the square body groove, the symmetry of spacer 131 upper and lower surface both ends is equipped with stabilizing plate, stabilizing plate is square structure, stabilizing plate's square structure card is gone into in stabilizing slot, stabilizing plate and stabilizing slot grafting cooperation, through grafting complex mode, make spacer 131 can be fixed with two peripheral board 121 combinations, thereby avoid when the cutting because spacer 131 takes place for the insulation support that peripheral board 121's removal leads to is not hard up, can ensure insulating support's fixed effect.

In order to ensure the stability of the two end bodies 132 when the insulating sleeve is cut, two sides of the two end bodies 132 are provided with limited sliding grooves, an inner plate frame 133 is arranged in the partition plate 131, the inner plate frame 133 is an opening-shaped frame, two ends of the inner plate frame 133 are provided with sliding plates 134, the sliding plates 134 are inverted-U-shaped structural plates, the sliding plates 134 are in sliding connection with the limited sliding grooves, the sliding plates 134 of the inverted-U-shaped structures support the sliding plates 134 by the two end bodies 132 while ensuring the stability of the two end bodies 132, so that the falling of the inner plate frame 133 can be avoided, the insulating sleeve is fixed in the insulating sleeve through the inner plate frame 133 of the opening-shaped structure, and the fixing of the insulating sleeve is not influenced while the two end bodies 132 are connected.

In order to take out the insulation sleeve after cutting, through holes 135 are symmetrically formed in the two ends of the spacing plate 131 up and down, through sleeves 136 are arranged in the through holes 135, the through sleeves 136 are T-shaped cylinders with upper and lower surfaces penetrating through, extrusion springs are arranged on the inner side surfaces, close to the through holes 135, of the through sleeves 136, the through sleeves 136 are connected with the inner surfaces of the through holes 135 through the arranged extrusion springs, after the insulation sleeve is cut, the pressing plate 141 is separated from the supporting column 111 in a sliding mode, under the elastic force action of the extrusion springs, the through sleeves 136 are pushed to move outwards, the spacing plate 131 and the peripheral plate 121 are flicked, the contact spacing plate 131 is fixed with the peripheral plate 121 in a combined mode, and taking out of the insulation sleeve is facilitated.

In order to adjust the cutting position of the insulating sleeve conveniently, the top end of the pressing plate 141 is provided with a plate groove 144, the plate groove 144 is an I-shaped groove, the top of the hanging plate 142 is provided with an I-shaped protrusion, the pressing plate 141 is slidably connected with the top of the hanging plate 142, the surfaces of the two end bodies 132 are provided with circular through holes, the inner roller 161 is in plug fit with the two end bodies 132, the connecting plate 123 is in plug fit with the inner surface of the outer peripheral plate 121, the outer roller 122 and the inner roller 161 are moved through the sliding connection and plug fit modes, the hanging plate 142 slides in the plate groove 144 after the position in contact with the surface of the insulating sleeve is changed, and therefore the cutting position of the insulating sleeve is adjusted conveniently.

Because the effort of saw disc 143 when cutting insulation support can make insulation support rotate, thereby the influence is to insulation support's cutting effect, in order to avoid insulation support's rotation, even board 123 is the cross plate, logical groove 124 has been seted up to outer surrounding plate 121 both ends symmetry, it is the cross recess to lead to groove 124, even board 123 and the cooperation of leading to groove 124 joint, through joint complex mode, make when insulation support is cut, because even board 123 and the joint that leads to groove 124, outer roller 122 with insulation support surface contact can not take place to rotate by itself, thereby avoid insulation support's rotation, in order to avoid influencing insulation support's cutting effect.

In order to avoid the saw disc 143 being shielded by the outer roller 122 during cutting, the two ends of the top of the hanging plate 142 are connected with the opposite plates 145, the bottom of the opposite plates 145 is provided with the sleeve plate 146, the surface of the connecting plate 123 is provided with the pair of clamping sleeves 125, the sleeve plate 146 is in clamping fit with the clamping sleeves 125, and in the clamping fit mode, when the saw disc 143 is moved for cutting, the hanging plate 142 drives the outer roller 122 to slide along the through groove 124 through the connected opposite plates 145, that is, the outer roller 122 and the saw disc 143 move synchronously, so that the outer roller 122 is prevented from blocking the moving and cutting of the handsaw disc 143.

In order to avoid damage to the inner support 16 located inside the insulating sleeve when the saw disc 143 is cut, the opposite body 12 further includes a connector 15, one end of the connecting plate 123, which is far away from the outer roller 122, is provided with a clamping groove 126, the clamping groove 126 is a square groove, the connector 15 includes a clamping plate 151 and a screw 152 rotatably connected with the clamping plate 151, the clamping plate 151 is in clamping fit with the clamping groove 126, one end of the inner roller 161, which is close to the two end bodies 132, is provided with a rotating shaft 165, one end of the screw 152, which is close to the inner support 16, is in threaded connection with the rotating shaft 165, when the outer roller 122 is driven to move when the saw disc 143 is cut, the clamping plate 151 in clamping fit with the connecting plate 123 drives the inner support 16 to move synchronously inside the insulating sleeve through the screw 152 in threaded connection with the rotating shaft 165, and damage to the inner support 16 located inside the insulating sleeve when the saw disc 143 is cut is avoided. .

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hot resistance production is with fixing device for raw materials cutting which has pre-fixed effect which characterized in that: including fixed knot structure (1), fixed knot structure (1) includes bottom plate (11) and sets up in opposition body (12) at bottom plate (11) top, bottom plate (11) top surface symmetry is equipped with support column (111), opposition body (12) include a pair of peripheral board (121), peripheral board (121) both ends with support column (111) grafting cooperation, peripheral board (121) internal surface both sides are connected with two outer rollers (122) respectively, outer roller (122) are close to peripheral board (121) internal surface one side is equipped with even board (123), outer roller (122) through even board (123) that sets up with peripheral board (121) internal surface is connected, two be equipped with intermediate body (13) between peripheral board (121), intermediate body (13) include spacer plate (131) and set up interior supporter (16) in spacer plate (131), spacer plate (131) are located two between peripheral board (121), support column (111) top is passed the both ends of space bar (131), space bar (131) internal surface grafting cooperation has a pair of both ends body (132), interior chaplet (16) include with interior roller (161) that both ends body (132) inboard is connected, interior roller (161) are kept away from both ends body (132) one side is equipped with the external stay structure, the external stay structure is used for strutting the insulating tube inner wall, external stay board (121) top is equipped with cutting body (14).

2. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: interior roller (161) are kept away from activity groove (162) have been seted up to both ends body (132) one end surface symmetry, prop the structure outward including being located activity cover (163) in activity groove (162), it supports cover (164) to peg graft in activity cover (163), it is equipped with the spiale to support cover (164) inboard, the spiale bottom is equipped with the external spring that props, the spiale through the external spring that props that sets up with activity cover (163) internal surface connection.

3. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: the cutting body (14) includes clamp plate (141) and sets up in hanger plate (142) of clamp plate (141) bottom, clamp plate (141) with support column (111) top cooperation of pegging graft, hanger plate (142) bottom is rotated and is connected with saw disc (143), power slot has been seted up by the top in hanger plate (142), be equipped with servo motor in the power slot, servo motor is equipped with the belt, servo motor through the belt that sets up with saw disc (143) transmission is connected.

4. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: stabilizing grooves are symmetrically formed in two ends of the surface of one side, close to the spacing plate (131), of the peripheral plate (121), stabilizing plates are symmetrically arranged at two ends of the upper surface and the lower surface of the spacing plate (131), and the stabilizing plates are in inserted connection and matching with the stabilizing grooves.

5. The fixing device for cutting raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: the two ends of the two end bodies (132) are provided with limited sliding grooves, an inner plate frame (133) is arranged in the partition plate (131), sliding plates (134) are arranged at two ends of the inner plate frame (133), and the sliding plates (134) are in sliding connection with the limited sliding grooves.

6. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: opening (135) have been seted up to space bar (131) both ends longitudinal symmetry, be equipped with logical cover (136) in opening (135), logical cover (136) are close to opening (135) internal side surface is equipped with extrusion spring, logical cover (136) through the extrusion spring that sets up with opening (135) internal surface connection.

7. The fixing device for cutting raw material for producing a thermal resistor having a pre-fixing effect according to claim 3, wherein: the top end of the pressure plate (141) is provided with a plate groove (144), the pressure plate (141) is in sliding connection with the top of the hanging plate (142), the inner roller (161) is in plug-in fit with the two end bodies (132), and the connecting plate (123) is in plug-in fit with the inner surface of the outer peripheral plate (121).

8. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: even board (123) are the cross, logical groove (124) have been seted up to peripheral board (121) both ends symmetry, it is the cross groove to lead to groove (124), even board (123) with lead to groove (124) joint cooperation.

9. A fixing device for cutting raw material for producing a thermal resistor having a pre-fixing effect according to claim 3, characterized in that: the hanging plate is characterized in that two ends of the top of the hanging plate (142) are connected with a pair of plates (145), a sleeve plate (146) is arranged at the bottom of each plate (145), a pair of clamping sleeves (125) are arranged on the surface of the connecting plate (123), and the sleeve plate (146) is matched with the clamping sleeves (125) in a clamping mode.

10. The fixing device for cutting a raw material for producing a thermal resistor having a pre-fixing effect according to claim 1, wherein: the opposition body (12) still includes connector (15), even board (123) keep away from draw-in groove (126) have been seted up to outer roller (122) one end, connector (15) including cardboard (151) and with screw rod (152) that cardboard (151) rotate to be connected, cardboard (151) with draw-in groove (126) joint cooperation, interior roller (161) are close to pivot (165) have been seted up to both ends body (132) one end, screw rod (152) are close to interior supporter (16) one end with pivot (165) threaded connection.