CN218195630U

CN218195630U - Bus heat shrinkable tube cutting machine and cutting unit thereof

Info

Publication number: CN218195630U
Application number: CN202222622571.1U
Authority: CN
Inventors: 田超; 孙飞; 侯荣波; 刘乾伦
Original assignee: Shandong Huayuan Electric Co ltd
Current assignee: Shandong Huayuan Electric Co ltd
Priority date: 2022-06-30
Filing date: 2022-09-30
Publication date: 2023-01-03
Anticipated expiration: 2032-09-30
Also published as: CN116653042A; CN116653040A; CN218195631U; CN218195632U; CN116653041A; CN114953025A

Abstract

The utility model discloses a generating line pyrocondensation pipe cutting machine and cutting element thereof, top at cutting platform is fixed with the upper bracket, the bottom is fixed with lower carriage and vertical support, upper bracket slidable mounting has last horizontal hobbing device, lower carriage slidable mounting has lower horizontal hobbing device, vertical support slidable mounting has vertical hobbing device, on, the cutting tool of lower horizontal hobbing device sets up in the first fluting of cutting platform, during the cutting, the cutting tool of vertical hobbing device is located cutting platform's second fluting, the width direction of generating line is extended along to first fluting, the length direction of generating line is extended along in the second fluting, above-mentioned hobbing device still is provided with heating device respectively. The utility model discloses not only can be convenient for peel off the pyrocondensation pipe to the pyrocondensation pipe in width and length direction's cutting, but also can carry out the fly-cutting to the pyrocondensation pipe with the high temperature cutter, improved cutting efficiency and production efficiency, avoided having guaranteed the finished product quality of generating line because of cutting repeatedly and causing the damage to the generating line.

Description

Bus heat shrinkable tube cutting machine and cutting unit thereof

The utility model discloses the priority of the chinese patent application "intelligent generating line pyrocondensation pipe cutting equipment and cutting technology thereof", priority number is CN202210765488.1, and the priority date is 2022 year 6 month 30.

Technical Field

The utility model belongs to the technical field of pyrocondensation pipe cutting equipment technique and specifically relates to an equipment that the overlap joint that the pyrocondensation pipe end portion on the generating line or generating line and other wire electricity are connected is established to the cover and is carried out the cutting.

Background

The bus has the functions of collecting, distributing and transmitting electric energy, and in a power supply system, all levels of voltage distribution equipment are connected by bare conductors or stranded wires with rectangular or circular cross sections, which are collectively called as the bus. The copper bar or the aluminum bar in the bus is widely applied. In order to carry out insulation protection to the generating line, prevent the emergence of accidental short circuit accident, need establish the pyrocondensation pipe in the cover on the generating line, the pyrocondensation pipe is made by special polyolefin material, simultaneously in order to adapt to the installation demand of generating line, need cut the processing to the overlap joint that pyrocondensation pipe end portion or generating line and other wire are electrically connected.

The manual cutting is simple and convenient, but the randomness is large, and the following problems mainly exist: firstly, an operator cannot accurately master the cutting depth, and the situation that the heat shrinkable tube cannot fall off due to over shallow cutting or the copper bar is damaged due to over deep cutting easily occurs; secondly, the pipe wall of the high-pressure heat-shrinkable pipe after shrinkage is hard, repeated cutting is needed by an operator, the cutting efficiency is very low, and hands are easily injured; thirdly, the consistency of the cutting shape can not be ensured by manual cutting, and the phenomena of edge burrs or uneven cutting lines and the like are easy to occur.

In order to solve the problem, the utility model discloses a chinese utility model patent CN215318871U discloses a pyrocondensation pipe cutting machine, has realized the automatic cutout to the pyrocondensation pipe, has solved the problem that edge burr or tangent line are uneven appears easily in the manual cutting, has effectively reduced intensity of labour, still has following problem:

firstly, a high-pressure heat-shrinkable tube on a bus is very thick and very hard after the shrinkage is finished, and a mechanical cutter still needs to repeatedly cut the high-pressure heat-shrinkable tube, so that the cutting efficiency is influenced, the bus is easily damaged, and the quality of a finished product of the bus is influenced; secondly, the mechanical cutter can only cut the heat shrinkable tube in the width direction, and an operator needs to use the cutter to perform secondary cutting along the length direction of the bus to strip the removed tube material, so that the cutting efficiency of the heat shrinkable tube is slowed down; thirdly, the mechanical cutting equipment can only compress the bus at one position, and the compressing effect on the bus is poor, so that the condition that the heat shrinkable tube is cut unevenly is easy to occur.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a generating line pyrocondensation pipe cutting machine and cutting unit thereof to improve the cutting efficiency and the cutting quality of pyrocondensation pipe, and effectively reduce intensity of labour.

In order to solve the technical problem, the utility model discloses a technical scheme is: a bus bar heat shrinkable tube cutting unit comprising: the cutting platform is provided with a first open slot and a second open slot, the first open slot extends along the width direction of a bus, the second open slot extends along the length direction of the bus, and the second open slot is communicated with the first open slot; an upper support is fixed at the top of the cutting platform, an upper transverse rolling cutting device is slidably mounted on the upper support, the upper transverse rolling cutting device is in transmission connection with an upper transverse sliding driving mechanism, the moving direction of the upper transverse rolling cutting device is consistent with the extending direction of the first open groove, and a cutting tool of the upper transverse rolling cutting device is arranged in the first open groove; a lower support is fixed at the bottom of the cutting platform, a lower transverse rolling cutting device is slidably mounted on the lower support, the lower transverse rolling cutting device is in transmission connection with a lower transverse sliding driving mechanism, the moving direction of the lower transverse rolling cutting device is consistent with the extending direction of the first open groove, and a cutting tool of the lower transverse rolling cutting device is arranged in the first open groove; the bottom of the cutting platform is fixed with a longitudinal support, a longitudinal rolling cutting device is slidably mounted on the longitudinal support, the longitudinal rolling cutting device is in transmission connection with a longitudinal sliding driving mechanism, the moving direction of the longitudinal rolling cutting device is consistent with the extending direction of the second groove, and a cutting tool of the longitudinal rolling cutting device is located in the second groove.

Preferably, the upper transverse hobbing device comprises: the upper end of the first tool apron is hinged to the first tool rest, torsion springs are mounted between two side walls of the first tool apron and the first tool rest, and the first tool is rotatably mounted at the lower end of the first tool apron through a first rotating shaft; the lower transverse hobbing device comprises: the lower end of the second tool apron is hinged to the second tool rest, torsion springs are mounted between two side walls of the second tool apron and the second tool rest, and the second tool is rotatably mounted at the upper end of the second tool apron through a second rotating shaft; the longitudinal hobbing device comprises: the cutter lifting mechanism comprises a third cutter rest, a third cutter seat and a third cutter, wherein the middle of the third cutter seat is hinged to the third cutter rest, the third cutter is rotatably mounted at the upper end of the third cutter seat through a third rotating shaft, and a power cutter lifting mechanism is arranged between the third cutter seat and the third cutter rest.

Preferably, the power cutter lifting mechanism comprises an ejection cylinder or an electric push rod connected between the lower end of the third cutter holder and the third cutter frame.

As an improvement, the upper transverse rolling cutting device is provided with a first heating device for increasing the temperature of the cutting tool of the upper transverse rolling cutting device, the lower transverse rolling cutting device is provided with a second heating device for increasing the temperature of the cutting tool of the lower transverse rolling cutting device, and the longitudinal rolling cutting device is provided with a third heating device for increasing the temperature of the cutting tool of the longitudinal rolling cutting device.

Preferably, the first heating device comprises a first electric heating rod, the first electric heating rod is used for heating the first rotating shaft and conducting heat to the first cutter through the first rotating shaft; the second heating device comprises a second electric heating rod, and the second electric heating rod is used for heating the second rotating shaft and conducting heat to the second cutter through the second rotating shaft; the third heating device comprises a third electric heating rod, and the third electric heating rod is used for heating the third rotating shaft and conducting heat to the third cutter through the third rotating shaft.

Preferably, the first tool holder comprises a first tool holder body and a first heating rod support which are fixedly connected together, the first tool holder body is hinged to the first tool holder, the first rotating shaft is rotatably connected with the first tool holder body, the first rotating shaft is provided with a first central hole, the first electric heating rod is fixed to the first heating rod support and extends into the first central hole, and a gap is reserved between the first electric heating rod and the inner wall of the first central hole; the second tool apron body is hinged with the second tool rest, the second rotating shaft is rotatably connected with the second tool apron body, the second rotating shaft is provided with a second center hole, the second electric heating rod is fixed on the second heating rod support and extends into the second center hole, and a gap is reserved between the second electric heating rod and the inner wall of the second center hole; the third blade holder includes third blade holder body and third heating rod support that fixed connection is in the same place, third blade holder body with the third blade holder is articulated, the third pivot with third blade holder body rotates the connection, the third pivot is provided with the third centre bore, the third electrical heating rod is fixed in the third heating rod support and stretches into the third centre bore, the third electrical heating rod with the clearance is left to the inner wall of third centre bore.

Preferably, the first central hole is a through hole, the first cutter is attached to and fixed on the outer end face of the first rotating shaft, and the first central hole is closed by the first cutter; the second central hole is a through hole, the second cutter is attached to and fixed on the outer end face of the second rotating shaft, and the second central hole is closed by the second cutter; the third center hole is a through hole, the third cutter is attached to and fixed on the outer side end face of the third rotating shaft, and the third cutter seals the third center hole.

Preferably, the first rotating shaft is provided with a head portion, the cross-sectional area of the head portion is significantly increased relative to the cross-sectional area of the other portion of the corresponding rotating shaft, the first tool is fastened to an outer end face of the head portion through a fastening member, and the second rotating shaft and the third rotating shaft have the same structure as the first rotating shaft.

Preferably, the first tool apron body, the first heating rod support, the second tool apron body, the second heating rod support, the third tool apron body and the third heating rod support are provided with heat dissipation holes.

As the same conception, the utility model discloses used above-mentioned generating line pyrocondensation pipe cutting unit in generating line pyrocondensation pipe cutting machine.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

(1) Because the upper bracket is fixed at the top of the cutting platform, the lower bracket and the longitudinal bracket are fixed at the bottom of the cutting platform, the upper bracket is slidably provided with the upper transverse hobbing device, the lower bracket is slidably provided with the lower transverse hobbing device, the longitudinal bracket is slidably provided with the longitudinal hobbing device, the moving directions of the upper and lower transverse hobbing devices are consistent with the extending direction of the first slot of the cutting platform, the moving direction of the longitudinal hobbing device is consistent with the extending direction of the second slot of the cutting platform, the first slot extends along the width direction of the bus, and the second slot extends along the length direction of the bus, the cutting tools of the upper and lower transverse hobbing devices are arranged in the first slot, and during cutting, the cutting tool of the longitudinal hobbing device is positioned in the second slot, therefore, the utility model discloses not only can realize automatic cutting of the heat-shrinkable tube in the width direction through the upper and lower transverse hobbing devices, but also can realize automatic cutting of the heat-shrinkable tube in the length direction through the longitudinal hobbing device, and the cut (namely the longitudinal notch) in the length direction can destroy the annular structure of the cut heat-shrinkable tube, and the heat-shrinkable tube does not need to use the manual cutting tool to strip the heat-shrinkable tube again, thereby improving the cutting efficiency and reducing the quality of the artificial heat-cutting.

(2) Because the power cutter lifting mechanism is arranged in the longitudinal hobbing device, when the heat-shrinkable tube needs to be cut in the length direction, the third cutter (cutter lifting) is lifted by the power cutter lifting mechanism, so that the third cutter is pressed on the heat-shrinkable tube at the corresponding position, and the heat-shrinkable tube is cut along with the movement of the cutter; when the heat shrinkable tube is not required to be cut in the length direction, the third cutter (falling cutter) is pressed down through the power cutter lifting mechanism, so that the third cutter is far away from the heat shrinkable tube at the bottom of the bus, and accidental injury of the third cutter to the heat shrinkable tube is avoided. The heat-shrinkable tube cutting device not only can cut T-shaped cuts (a transverse cut and a longitudinal cut), but also can cut H-shaped cuts (two transverse cuts and a longitudinal cut) on the heat-shrinkable tube, so that the adaptability to the cut pattern of the bus heat-shrinkable tube is enhanced.

(3) Owing to be provided with the heating device who is used for improving the cutting tool temperature in the hobbing device, heating device includes the electrical heating stick, the electrical heating stick is used for right the pivot heats, and passes through the pivot gives the heat conduction the cutter, cutter under the high temperature becomes the hot sword, provides good technological condition for cutting the pyrocondensation pipe, can once only accomplish the cutting to the pyrocondensation pipe, need not to cut repeatedly to improve the cutting efficiency of pyrocondensation pipe and the production efficiency of generating line, avoided simultaneously because of cutting repeatedly and cause the damage to the generating line, guaranteed the finished product quality of generating line.

(4) In hot sword device, the pivot is provided with the centre bore, the electrical heating stick is fixed in the heating stick support and stretches into the centre bore, the electrical heating stick with the inner wall of centre bore leaves the clearance, and when the pivot rotated, can not wear and tear the electrical heating stick, and the heat that the electrical heating stick produced then heats the pivot through the form of heat radiation, and the cutter is fixed in the outside terminal surface of cutter through the fastener, therefore the pivot can give the cutter with the heat through the conduction mode, makes it the temperature rise and becomes "hot sword" rapidly, and simple structure is practical.

(5) The cutting platform is provided with a front pressing mechanism for pressing the front part of the bus and a rear pressing mechanism for pressing the rear part of the bus, so that the reliability of bus pressing is improved.

In summary, the utility model discloses a generating line pyrocondensation pipe cutting machine and cutting unit thereof has adopted the automatic intelligent cutting technology of hot type, utilize the electrical heating rod to heat the cutter, the high temperature cutter can carry out the fly-cutting to the pyrocondensation pipe, compare in current mechanical type cutting equipment, the high temperature sword can once only be accomplished the pyrocondensation pipe cutting, need not to cut repeatedly, thereby the cutting efficiency and the production efficiency of pyrocondensation pipe have been improved, also avoided simultaneously causing the damage because of cutting repeatedly to the generating line, the finished product quality of generating line has been guaranteed. Moreover, the utility model discloses can also realize the automatic cutting of pyrocondensation pipe on width direction and length direction, length direction's incision can destroy the loop configuration who gets rid of tubular product, need not the manual work and uses the cutter to carry out the secondary cutting again to the pyrocondensation pipe, is convenient for peel off the pyrocondensation pipe, and one person can accomplish the cutting operation to the pyrocondensation pipe, has saved the cost of labor.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of a bus heat shrinkable tube cutting machine according to the present invention;

FIG. 2 is a schematic view of the cutting unit in embodiment 1 shown in FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a bottom view of FIG. 2;

FIG. 5 is a front view of FIG. 2;

FIG. 6 is a rear view of FIG. 2;

FIG. 7 is a left side view of FIG. 2;

fig. 8 is a schematic structural view of a longitudinal rolling and cutting device in embodiment 1 of the present invention;

FIG. 9 is a top view of FIG. 8;

fig. 10 is a schematic view of a cutting unit of embodiment 2 of the bus bar heat shrink tube cutting machine of the present invention;

FIG. 11 is a schematic view of the cutting unit of FIG. 10 in a configuration in which it is located below the cutting platform;

FIG. 12 is a schematic view showing the structure of a cross rolling-cut apparatus in example 2;

FIG. 13 is a cross-sectional view of FIG. 12 taken through the longitudinal cross-section through the center of rotation of the first tool;

FIG. 14 is a schematic view showing another angle structure of the lateral rolling-cut apparatus in example 2;

FIG. 15 is a schematic structural view showing a part of the structure of a longitudinal rolling and cutting apparatus in accordance with example 2;

FIG. 16 is a cross-sectional view of FIG. 15 taken in longitudinal section through the center of rotation of the third tool;

wherein: 1a, a box body; 2a, cutting a platform; 3a, an upper bracket; 4. a bus bar; 5a, a first tool rest; 6a, a first tool apron; 7a, a first rotating shaft; 8a, a first cutter; 9a, a first electric heating rod; 10a, a laser positioner; 11a, a protective cover; 12a, a lower bracket; 13a, a second tool rest; 14a, a second tool apron; 15a, a second rotating shaft; 16a, a second cutter; 17a, a second electric heating rod; 18a, a longitudinal support; 19a, a third tool holder; 20a, a third tool apron; 21a, a third rotating shaft; 22a, a third cutter; 23a, a third electric heating rod; 24a, a first slot; 25a, a second slot; 26a, a lifting plate; 27a, a first pressing cylinder; 28a, a pressure plate; 29a, a hold down arm; 30a, a second pressing air cylinder; 31a, a slide; 32a, a movable block; 33a, a first flapper; 34a, a second movable baffle; 35a, a second chute; 36a, a limiting groove; 37a, a locking handle; 38a, a torsion spring; 39a, a first lead screw; 40a, a first motor; 41a, a second lead screw; 42a, a second motor; 43a, a fixed bracket; 44a, a cable drag chain; 45a, ejecting a cylinder;

2b, cutting the platform; 3b, an upper bracket; 5b, a first tool rest; 51b, a first tool carrier body; 52b, a first slider; 6b, a first tool apron; 61b, a first tool holder body; 62b, a first heater bar support; 63b, air holes; 64b, air holes; 65b, a bearing; 66b, a through hole; 67b, fasteners; 68b, a hinge shaft; 69b, a bearing; 7b, a first rotating shaft; 71b, a nut; 8b, a first cutter; 9b, a first electric heating rod; 10b, a laser positioner; 12b, a lower bracket; 13b, a second tool holder; 131b, a second toolholder body; 132b, a second slider; 14b, a second tool apron; 16b, a second cutter; 18b, a longitudinal support; 19b, a third tool holder; 191b, a third tool holder body; 192b, a third slider; 20b, a third tool apron; 201b, a third tool apron body; 202b, a third heater bar support; 203b, heat dissipation holes; 204b, heat dissipation holes; 205b, a nut; 206b, bearings; 207b, fasteners; 21b, a third rotating shaft; 22b, a third cutter; 23b, a third electric heating rod; 24b, a first slot; 25b, a second slot; 27b, a first hold-down cylinder; 28b, a pressure plate; 29b, a hold-down arm; 30. a second hold-down cylinder b;38b, torsion spring; 39b, a first lead screw; 40b, a first motor; 41b, a second lead screw; 42b, a second motor; 45b and ejecting out the cylinder.

Detailed Description

Example 1

For ease of understanding, the following convention is made: the width direction of the bus bar 4 (see fig. 1) is denoted as the lateral direction, and the length direction of the bus bar 4 is denoted as the longitudinal direction. In the following description, a first method of 8230, a second method of 8230, a method of 8230, and a method of 8230are used, a third 8230, etc., such as a first blade carrier, a second blade carrier, a third tool holder, etc., which are merely for the purpose of facilitating the distinction between tool holders in different parts, all tool holders in nature; when the term "tool holder" is used in other parts without other limitations, the term "tool holder" should be understood herein to encompass the common attributes of a first tool holder, a second tool holder, and a third tool holder.

Fig. 1 to 9 collectively show a bus bar heat shrinkable tube cutting machine, and a cutting platform 2a is arranged on the top of a box body 1 a. As shown in fig. 2, an upper support 3a is fixed on the top of the cutting platform 2a, the upper support 3a extends along the width direction of the bus bar 4 (see fig. 1), a first tool holder 5a is slidably mounted on the upper support 3a, the first tool holder 5a slides along the length direction of the upper support 3a, a first tool holder 6a is mounted on the first tool holder 5a, a first tool 8a is mounted at the lower end of the first tool holder 6a through a first rotating shaft 7a, and the first tool 8a is preferably a disc blade so as to roll cut the heat shrinkable tube. The first cutter seat 6a is provided with a first electric heating rod 9a which can heat the first rotating shaft 7a, and the first rotating shaft 7a is used for rapidly transmitting heat generated by the first electric heating rod 9a to the first cutter 8a.

As shown in fig. 2, a laser positioner 10a is mounted on the top of the upper frame 3a, and the laser positioner 10a is disposed toward the cutting platform 2a. When laser locator 10a shines towards cutting platform 2 a's direction, can launch cross location light, utilize cross location light to fix a position the generating line, the operator of being convenient for places the generating line fast according to the instruction of cross location light.

As shown in fig. 1 and 2, a protective cover 11a is arranged on the outer side of the upper bracket 3a, and the protective cover 11a and the box body 1a are used for carrying out safety protection on the cutting equipment, so that the condition that the cutting equipment is injured by people in the operation process is avoided.

As shown in fig. 4 to 6, a lower bracket 12a is fixed to the bottom of the cutting platform 2a, the lower bracket 12a extends along the width direction of the bus bar 4 (see fig. 1), a second tool holder 13a is slidably mounted on the lower bracket 12a, the second tool holder 13a slides along the length direction of the lower bracket 12a, the first tool holder 5a and the second tool holder 13a are connected together to a transverse sliding driving mechanism, a second tool holder 14a is mounted on the second tool holder 13a, a second tool 16a is mounted on the upper end of the second tool holder 14a through a second rotating shaft 15a, and the second tool 16a is preferably a disc blade to perform rolling cutting on the heat shrinkable tube. The second tool seat 14a is provided with a second electric heating rod 17a capable of heating the second rotating shaft 15a, and the second rotating shaft 15a is used for rapidly transmitting heat generated by the second electric heating rod 17a to the second tool 16a.

As shown in fig. 7 to 9, a longitudinal support 18a is disposed on one side of the lower support 12a, the longitudinal support 18a extends along a length direction of the bus bar 4, a third tool rest 19a is slidably mounted on the longitudinal support 18a, the third tool rest 19a slides along the length direction of the longitudinal support 18a, the third tool rest 19a is connected to a longitudinal sliding driving mechanism, a third tool apron 20a is mounted on the third tool rest 19a, the third tool apron 20a is connected to a power tool lifting mechanism, the power tool lifting mechanism is configured to drive the third tool apron 20a to rotate (tool lifting or tool dropping), the power tool lifting mechanism includes a push-out cylinder 45a, a cylinder body of the push-out cylinder 45a is mounted on the third tool rest 19a, and a piston rod of the push-out cylinder 45a is connected to a lower end of the third tool apron 20 a. The upper end of the third tool holder 20a is mounted with a third cutter 22a through a third rotating shaft 21a, and the third cutter 22a is preferably a disc blade for performing roll cutting on the heat shrinkable tube. The third tool seat 20a is provided with a third electric heating rod 23a capable of heating the third rotating shaft 21a, and as above, the third rotating shaft 21a is used for rapidly transferring heat generated by the third electric heating rod 23a to the third tool 22a.

As shown in fig. 2, 3 and 7, a pressing mechanism for pressing the bus bar 4 is further mounted on the cutting platform 2a, and the pressing mechanism includes a front pressing portion and a rear pressing portion. The front pressing part comprises a lifting plate 26a which is vertically and slidably mounted on the upper bracket 3a, the lifting plate 26a is connected with a first pressing cylinder 27a, and a pressing plate 28 for pressing the bus bar 4 is fixed at the bottom of the lifting plate 26 a. The rear pressing portion comprises a pressing arm 29a used for pressing the bus bar 4, one end of the pressing arm 29a is arranged above the second open slot 25a, the other end of the pressing arm 29a is connected with a second pressing air cylinder 30a, and a cylinder body of the second pressing air cylinder 30a is fixed on the cutting platform 2a. The front pressing part and the rear pressing part respectively press two ends of the bus 4, so that the reliability of pressing the bus 4 is improved.

As shown in fig. 1 to 3, the cutting platform 2a is provided with a first open slot 24a and a second open slot 25a which are perpendicular to each other, and the second open slot 25a is communicated with the first open slot 24 a. The first slot 24a extends along the width direction of the bus bar 4, the first slot 24a is arranged between the upper bracket 3a and the longitudinal bracket 18a, the first cutter 8a and the second cutter 16a are both arranged in the first slot 24a, the second slot 25a extends along the length direction of the bus bar 4, the second slot 25a is arranged at one side of the longitudinal bracket 18a, and the third cutter 22a is arranged in the second slot 25 a.

As shown in fig. 1 to fig. 3, a slide 31a is disposed on one side of the second open slot 25a, the slide 31a extends along the length direction of the second open slot 25a and is provided with a first slide slot, a movable block 32a is slidably mounted in the first slide slot, a first movable baffle 33a is mounted on the movable block 32a, and the first movable baffle 33a extends along the width direction of the second open slot 25 a. In the present embodiment, the movable block 32a can be locked at an arbitrary position within the first chute. The lower part of the upper bracket 3a is provided with a second movable baffle 34a, the second movable baffle 34a is slidably mounted at the top of the cutting platform 2a, the second movable baffle 34a is provided with a second sliding groove 35a, the second sliding groove 35a extends along the length direction of the second open groove 25a, the inner wall of the second sliding groove 35a is provided with a plurality of limiting grooves 36a, the limiting grooves 36a are sequentially arranged along the length direction of the second open groove 25a, the cutting platform 2a is fixed with a vertically arranged locking handle 37a, the locking handle 37a penetrates through the second movable baffle 34a through the second sliding groove 35a and the limiting grooves 36a, and the locking handle 37a and the limiting grooves 36a can be used for carrying out position adjustment and limiting on the second movable baffle 34 a.

Before cutting work, an operator adjusts the positions of the first movable baffle plate 33a and the second movable baffle plate 34a in advance according to the specification parameters and the cutting requirements of the bus, when the first cutting position of the heat shrinkable tube is cut, one end of the bus is abutted against the first movable baffle plate 33a, when the second cutting position of the heat shrinkable tube is cut, the other end of the bus is abutted against the second movable baffle plate 34a, so that the bus in two positions is kept vertical to the first cutter and the second cutter, the condition that the heat shrinkable tube cutting surface is inclined due to the inclination of the bus is avoided, the linear flatness of the cutting position of the heat shrinkable tube is ensured, and the quality of finished products of the bus is ensured.

As shown in fig. 2, 5 and 8, the upper end of the first tool apron 6a is hinged to the first tool rest 5a, the lower end of the second tool apron 14a is hinged to the second tool rest 13a, torsion springs 38a are respectively installed between two side walls of the first tool apron 6a and the first tool rest 5a, and between two side walls of the second tool apron 14a and the second tool rest 13a, and the middle of the third tool apron 20a is hinged to the third tool rest 19 a.

As shown in fig. 2, 5 and 6, the transverse sliding driving mechanism includes two first horizontally disposed lead screws 39a, each first lead screw 39a extends along the length direction of the upper bracket 3a, one first lead screw 39a is rotatably mounted on the upper bracket 3a, the other first lead screw 39a is rotatably mounted on the lower bracket 12a, each first lead screw 39a is in transmission connection with a first motor 40a, and the first tool holder 5a and the second tool holder 13a are mounted on the corresponding first lead screw 39a in a threaded connection manner. With reference to fig. 2 and the means customary in the art, the first head 5a is obviously an assembly comprising a body and a slider slidably mounted on the upper support 3a, said slider being further provided with a nut in threaded connection with the corresponding first screw 39 a; the second tool holder 13a and the third tool holder 19a are obviously also of such a construction. Needless to say, according to the working principle of the present invention, the lateral sliding driving mechanism can be divided into an upper lateral sliding driving mechanism and a lower lateral sliding driving mechanism, the first lead screw 39a rotatably mounted on the upper frame 3a is a part of the upper lateral sliding driving mechanism, and the first lead screw 39a rotatably mounted on the lower frame 12a is a part of the lower lateral sliding driving mechanism, as a conventional technical means in the field, two first lead screws 39a can be simultaneously in transmission connection with the first motor 40a, and can also be respectively in transmission connection with an independent motor.

As shown in fig. 8 and 9, the longitudinal sliding driving mechanism includes a second lead screw 41a extending along the length direction of the longitudinal support 18a, the second lead screw 41a is rotatably mounted on the longitudinal support 18a, the second lead screw 41a is in transmission connection with a second motor 42a, and the third tool post 19a is mounted on the second lead screw 41a in a threaded connection manner.

As shown in fig. 2, 7 and 9, a fixing bracket 43a is fixedly mounted on each of the first tool rest 5a, the second tool rest 13a and the third tool rest 19a, each fixing bracket 43a is fixedly connected with one end of a cable drag chain 44a, and the other end of each cable drag chain 44a is fixed on the upper bracket 3a, the lower bracket 12a and the longitudinal bracket 18 a. The setting of cable tow chain has improved the stationarity of first knife rest, second knife rest and third knife rest motion, on the one hand, plays the guard action to the heating device circuit, reduces the circuit and scrapes and bump other damages, and on the other hand has avoided the edge at pyrocondensation pipe by cutting position burr or the uneven condition of tangent line to appear, and then has improved the linear straightness in pyrocondensation pipe by cutting position, has guaranteed the off-the-shelf quality of generating line.

From the above, it can be seen that:

the utility model discloses a generating line pyrocondensation pipe cutting machine, cutting platform 2a are equipped with first fluting 24a and second fluting 25a, and first fluting 24a extends along the width direction of generating line, and second fluting 25a is followed the length direction of generating line extends, second fluting 25a and first fluting 24a intercommunication.

An upper support 3a is fixed at the top of the cutting platform 2a, an upper transverse rolling cutting device is slidably mounted on the upper support 3a, the upper transverse rolling cutting device is in transmission connection with an upper transverse sliding driving mechanism, the moving direction of the upper transverse rolling cutting device is consistent with the extending direction of the first open groove 24a, and a cutting tool of the upper transverse rolling cutting device is arranged in the first open groove 24 a.

A lower support 12a is fixed at the bottom of the cutting platform 2a, a lower transverse rolling-cutting device is slidably mounted on the lower support 12a, the lower transverse rolling-cutting device is in transmission connection with a lower transverse sliding driving mechanism, the moving direction of the lower transverse rolling-cutting device is consistent with the extending direction of the first open groove 24a, and a cutting tool of the lower transverse rolling-cutting device is arranged in the first open groove 24 a.

A longitudinal support 18a is fixed at the bottom of the cutting platform 2a, a longitudinal rolling cutting device is slidably mounted on the longitudinal support 18a, the longitudinal rolling cutting device is in transmission connection with a longitudinal sliding driving mechanism, the moving direction of the longitudinal rolling cutting device is consistent with the extending direction of the second open slot 25a, and during cutting, a cutting tool of the longitudinal rolling cutting device is located in the second open slot 25 a.

The upper transverse hobbing device comprises: the cutter comprises a first cutter holder 5a, a first cutter seat 6a and a first cutter 8a, wherein the upper end of the first cutter seat 6a is hinged to the first cutter holder 5a, torsion springs 38a are arranged between two side walls of the first cutter seat 6a and the first cutter holder 5a, and the lower end of the first cutter seat 6a is rotatably provided with the first cutter 8a through a first rotating shaft 7 a.

The lower transverse hobbing device comprises: the tool comprises a second tool rest 13a, a second tool apron 14a and a second tool 16a, wherein the lower end of the second tool apron 14a is hinged to the second tool rest 13a, torsion springs 38a are respectively arranged between two side walls of the second tool apron 14a and the second tool rest 13a, and the upper end of the second tool apron 14a is rotatably provided with the second tool 16a through a second rotating shaft 15 a.

In order to cut the heat shrinkable tube portion at the position of the side wall of the busbar, the bottom of the first cutter 8a is lower than the top of the busbar, and the top of the second cutter 16a is higher than the bottom of the busbar. During cutting operation, the first cutter 8a moves along the width direction of the bus bar and is firstly contacted with the heat shrinkable tube part on the side wall of the bus bar, and during the continuous movement process of the first cutter, the heat shrinkable tube part on the side wall of the bus bar is firstly cut, and then under the action of the side wall of the bus bar, the first cutter rotates and lifts to cut the heat shrinkable tube part on the top of the bus bar. Meanwhile, the second cutter 16a moves along the same direction as the first cutter 8a, firstly contacts the heat shrinkable tube part on the other half part on the same side wall of the bus and cuts the heat shrinkable tube part, and then the second cutter 16a rotates and presses down under the action of the side wall of the bus to cut the heat shrinkable tube part at the bottom of the bus, so that the heat shrinkable tube is completely cut in the width direction.

The torsion spring 38a is arranged to limit the rotation angles of the first tool apron 6b and the second tool apron 14a, after the cutting operation is completed, the first tool apron 6a and the second tool apron 14a can return to the original positions under the elastic force of the torsion spring 38a, and when the first tool apron 6a and the second tool apron 14a cut the heat shrinkable tube, certain pressure can be applied to the first tool apron 6a and the second tool apron 14a to press the first tool 8a and the second tool 16a on the heat shrinkable tube, so that the first tool 8a and the second tool 16a can cut the heat shrinkable tube at one time, and the cutting effect of the first tool 8a and the second tool 16a on the heat shrinkable tube is guaranteed.

The longitudinal hobbing device comprises: the cutter lifting mechanism comprises a third cutter holder 19a, a third cutter seat 20a and a third cutter 22a, wherein the middle part of the third cutter seat 20a is hinged to the third cutter holder 19a, the upper end of the third cutter seat 20a is rotatably provided with the third cutter 22a through a third rotating shaft 21a, and a power cutter lifting mechanism is arranged between the third cutter seat 20a and the third cutter holder 19a and comprises an ejection cylinder connected between the lower end of the third cutter seat 20a and the third cutter holder 19 a.

Ejecting cylinder 45a is through the flexible of piston rod, drive third blade holder 20a and rotate, thereby realized raising and suppressing of third cutter 22a, when needs carry out length direction cutting to the pyrocondensation pipe, raise third cutter 22a (lift the sword) through ejecting cylinder, make third cutter 22a press and cut at the pyrocondensation pipe upper tube that corresponds the position, when need not carrying out length direction cutting to the pyrocondensation pipe, press down third cutter 22a (falling the sword) through ejecting cylinder 45a, make third cutter 22a keep away from the pyrocondensation pipe that is located the generating line bottom, the accidental injury of third cutter 22 to the pyrocondensation pipe has been avoided.

The upper transverse rolling cutting device is provided with a first heating device for improving the temperature of the cutting tool, the lower transverse rolling cutting device is provided with a second heating device for improving the temperature of the cutting tool, and the longitudinal rolling cutting device is provided with a third heating device for improving the temperature of the cutting tool.

Specifically, the first heating device comprises a first electric heating rod 9a, and the first electric heating rod 9a is used for heating the first rotating shaft 7a and conducting heat to the first cutter 8a through the first rotating shaft 7 a; the second heating device comprises a second electric heating rod 17a, the second electric heating rod 17a is used for heating the second rotating shaft 15a and conducting heat to the second cutter 16a through the second rotating shaft 15 a; the third heating device includes a third electric heating rod 23a, and the third electric heating rod 23a is used for heating the third rotating shaft 21a and conducting heat to the third cutter 22a through the third rotating shaft 21 a.

To sum up, the utility model discloses a generating line pyrocondensation pipe cutting machine has adopted the automatic intelligent cutting technology who adds hot type, utilize the electrical heating rod to heat the cutter, high temperature cutter (hot sword) can carry out the fly-cutting to the pyrocondensation pipe, compare in current mechanical type cutting equipment, the high temperature hot sword can once only be accomplished the pyrocondensation pipe cutting, need not to cut repeatedly, thereby the cutting efficiency and the production efficiency to the pyrocondensation pipe have been improved, also avoided causing the damage to the generating line because of cutting repeatedly simultaneously, the finished product quality of generating line has been guaranteed. Moreover, the utility model discloses can also realize the automatic cutting of pyrocondensation pipe on width direction and length direction, length direction's incision can destroy the loop configuration of the pyrocondensation pipe that is downcut, need not the manual work and uses the cutter to carry out the secondary cutting again to the pyrocondensation pipe, is convenient for peel off the pyrocondensation pipe, alone can accomplish the cutting operation to the pyrocondensation pipe, has saved the cost of labor.

When the bus heat shrinkable tube cutting machine is used for cutting, the process comprises the following process steps:

s1, call 4 specification parameters of generating line that need work the utility model discloses in, with cutting machine circular telegram start back, operating personnel presses reset button for a long time, makes the automatic completion of cutting machine reset and the work of making change, calls the specification parameter that needs carry out cutting work' S generating line 4 simultaneously.

And S2, switching the cutting machine to an automatic operation mode.

And S3, an operator places the bus 4 in place according to the indication of the laser line sent by the laser locator 10a, after the preparation work is completed, the cutting machine is switched to an automatic operation mode, the laser locator 10a sends out the positioning laser line to form a cross positioning point on the cutting platform 2a, and the operator places the bus 4 at the corresponding position according to the position indicated by the cross positioning point and enables the first cutting position of the heat-shrinkable tube to be aligned with the cross positioning point.

And S4, pressing a starting button by hand or starting a switch by foot to start the cutting machine.

S5, the automatic completion of cutting machine compresses tightly, fixed generating line 4 the utility model discloses in, the cutting machine starts the back, and first cylinder 27a and the second that compress tightly cylinder 30a and perhaps singly start simultaneously according to setting for technological parameter, and first cylinder 27a that compresses tightly drives lifter plate 26a and clamp plate 28a downstream, and the second compresses tightly cylinder 30a and drives and compress tightly arm 29a downstream, makes clamp plate 28a and compress tightly arm 29a simultaneously on generating line 4, has realized the fixed to generating line 4.

S6, the cutting machine automatically finishes cutting the heat shrinkable tube along the width direction of the bus 4, in the utility model, after the cutting machine is started, the first heating rod 9a and the second heating rod 17a are simultaneously started, the first heating rod 9a heats the first cutter 8a, the second heating rod 17a heats the second cutter 16a, then the first motor 40a is started, the first motor 40a drives the two first lead screws 39a to rotate simultaneously, the first cutter frame 5a and the second cutter frame 13a are driven to move along the width direction of the bus 4 simultaneously, the first cutter 8a and the second cutter 16a can firstly contact with the heat shrinkable tube part on the side wall of the bus 4 in the moving process, and cut the heat shrinkable tube part on the side wall of the bus 4, then under the action of the side wall of the bus bar 4, the first cutter 8a is rotated to be raised, the second cutter 16a is rotated to be pressed down, the heat-shrinkable tube part positioned at the top of the bus bar 4 is cut by the first cutter 8a, the heat-shrinkable tube part positioned at the bottom of the bus bar 4 is cut by the second cutter 16a, when the first cutter 8a and the second cutter 16a leave the bus bar, the first cutter 8a and the second cutter 16a can be rotated to return under the action of the torsion spring 38a to cut the heat-shrinkable tube part positioned on the other side wall of the bus bar 4, so that the heat-shrinkable tube is completely cut in the width direction, after the cutting work of the position is completed, the first motor 40a is automatically stopped, and the first pressing cylinder 27a and the second pressing cylinder 30a are started again to drive the pressing plate 28a and the pressing arm 29a to be raised.

Afterwards, an operator pushes the bus 4 inwards to enable the other cutting position of the heat shrinkable tube to be aligned with the cross positioning point, the end portion of the nut 4 abuts against the second movable baffle 34a, the operator presses the start button or the foot-operated start switch again to start the cutting machine, the pressing plate 28a and the pressing arm 29a are used for fixing the bus 4 again, the first motor 40a is started to drive the two first lead screws 39a to rotate reversely, the first cutter 8a and the second cutter 16a move along the width direction of the bus 4 again, and cutting work of the second cutting position of the heat shrinkable tube is completed.

S7, the automatic length direction who follows generating line 4 of cutting machine accomplishes the cutting to the pyrocondensation pipe, the utility model discloses in, first cutter 8a and the second cutter 16a carry out the in-process of cutting to the second department cutting position of pyrocondensation pipe, third heating rod 23a starts, heat the intensification to third cutter 22a, ejecting cylinder 45a starts simultaneously, ejecting cylinder 45a drives the rotation of third blade holder 20a, lift third cutter 22a, make third cutter 22a press on the pyrocondensation pipe, second motor 42a starts, second motor 42a drives second lead screw 41a and rotates, drive third knife rest 19a and move along the length direction of generating line 4, carry out the ascending cutting of length direction to the pyrocondensation pipe that cuts, thereby accomplish the cutting operation to the pyrocondensation pipe.

S8, the automatic position that compresses tightly of opening of cutting machine, operating personnel takes out generating line 4, in the utility model discloses in, accomplish behind the cutting operation to the pyrocondensation pipe, first motor 40a and second motor 42a stop simultaneously, ejecting cylinder 45a starts the rotatory playback of drive third blade holder 20a, come to depress third cutter 22a, meanwhile, first compressing cylinder 27a and second compress tightly cylinder 30a and according to setting for technological parameter simultaneously or single start-up, drive clamp plate 28a and compress tightly arm 29a and rise, later operating personnel can take out generating line 4.

S9, an operator tears off the cut part of the heat shrinkable tube along the cutting line to finish cutting the heat shrinkable tube on the bus 4.

After the cutting process is implemented, the heat shrinkable tube cutting machine disclosed by the utility model can cut out an "H" -shaped cut (two transverse cuts and one longitudinal cut) on the heat shrinkable tube, and the "H" -shaped cut is suitable for cutting off materials at the middle part of the heat shrinkable tube. Of course, if the cutting step at the second cutting position in the step S3 is omitted, a "T" shaped cut (a transverse cut and a longitudinal cut) may be cut, which is suitable for trimming the end of the heat shrinkable tube. The longitudinal cut can damage the annular structure of the cut heat shrinkable tube, so that a cutter is not required to be manually used for carrying out secondary cutting on the heat shrinkable tube, the heat shrinkable tube is convenient to peel off, the condition that the heat shrinkable tube is cut unevenly due to the sliding of the bus 4 is avoided, and the quality of a finished product of the bus 4 is ensured. In whole cutting process, the operator only need to carry out position adjustment to generating line 4 can, realized once only cutting the pyrocondensation pipe and target in place, increased substantially the cutting efficiency of pyrocondensation pipe, alone can accomplish whole cutting operation moreover, reduced the cost of labor.

Example 2

Fig. 10 to 16 disclose another bus heat shrinkable tube cutting machine, which has substantially the same working principle and overall layout as those of embodiment 1, but has improved local structure, and for brevity, only the improvement will be described in detail below, and the description of the same will not be repeated.

As shown in FIG. 10, in a bus bar heat shrinkable tube cutting machine, a cutting platform 2b is provided with a first slot 24b and a second slot 25b, the first slot 24b extends along the width direction of a bus bar, the second slot 25b extends along the length direction of the bus bar, and the second slot 25b is communicated with the first slot 24 b.

As shown in fig. 10 and 11, an upper bracket 3b is fixed on the top of the cutting platform 2b, an upper transverse rolling and cutting device is slidably mounted on the upper bracket 3b, the upper transverse rolling and cutting device is in transmission connection with an upper transverse sliding driving mechanism, the moving direction of the upper transverse rolling and cutting device is consistent with the extending direction of the first open slot 24a, and a cutting tool of the upper transverse rolling and cutting device is arranged in the first open slot 24 b. A lower support 12b is fixed at the bottom of the cutting platform 2b, a lower transverse rolling-cutting device is slidably mounted on the lower support 12b, the lower transverse rolling-cutting device is in transmission connection with a lower transverse sliding driving mechanism, the moving direction of the lower transverse rolling-cutting device is consistent with the extending direction of the first open groove 24b, and a cutting tool of the lower transverse rolling-cutting device is arranged in the first open groove 24 b. The bottom of the cutting platform 2b is further fixed with a longitudinal support 18b, the longitudinal support 18b is slidably provided with a longitudinal rolling-cutting device, the longitudinal rolling-cutting device is in transmission connection with a longitudinal sliding driving mechanism, the moving direction of the longitudinal rolling-cutting device is consistent with the extending direction of the second open slot 25b, and during cutting, a cutting tool of the longitudinal rolling-cutting device is arranged in the second open slot 25 b.

As shown in fig. 10 to 14, the upper transverse rolling-cut device includes: the cutter comprises a first cutter holder 5b, a first cutter seat 6b and a first cutter 8b, wherein the upper end of the first cutter seat 6b is hinged to the first cutter holder 5b, torsion springs 38b are arranged between two side walls of the first cutter seat 6b and the first cutter holder 5b, and the lower end of the first cutter seat 6b is rotatably provided with the first cutter 8b through a first rotating shaft 7 b.

As shown in fig. 11, the lower transverse hobbing device comprises: the tool comprises a second tool rest 13b, a second tool apron 14b and a second tool 16b, wherein the lower end of the second tool apron 14b is hinged to the second tool rest 13b, a torsion spring 38b is arranged between each of two side walls of the second tool apron 14b and the second tool rest 13b, and the upper end of the second tool apron 14b is rotatably provided with the second tool 16b through a second rotating shaft (not shown in the figure).

As shown in fig. 11, 15 and 16, the longitudinal hobbing device comprises: the cutter comprises a third cutter frame 19b, a third cutter seat 20b and a third cutter 22b, wherein the middle part of the third cutter seat 20b is hinged to the third cutter frame 19b, the upper end of the third cutter seat 20b is rotatably provided with the third cutter 22b through a third rotating shaft 21b, and a power cutter lifting mechanism is arranged between the third cutter seat 20b and the third cutter frame 19b and used for lifting the cutter when cutting is needed and dropping the cutter when cutting is not needed. Specifically, the power tool lifting mechanism includes a cylinder 45b connected between the other end of the third tool apron 20b and the third tool rest 19b, and as an alternative, other electric or pneumatic power components such as an electric push rod may be used.

The upper transverse hobbing device is provided with a first heating device for increasing the temperature of the first cutter 8b, the lower transverse hobbing device is provided with a second heating device for increasing the temperature of the second cutter 16b, and the longitudinal hobbing device is provided with a third heating device for increasing the temperature of the third cutter 22b.

As shown in fig. 12 to 14, the first heating device includes a first electric heating rod 9b, and the first electric heating rod 9b is used for heating the first rotating shaft 7b and conducting heat to the first cutter 8b through the first rotating shaft 7 b. The first knife base 6b comprises a first knife base body 61b and a first heating rod support 62b which are fixedly connected together, the first knife base body 61b is hinged with the first knife base 5b through a hinge shaft 68b, a bearing 69b is arranged between the hinge shaft 68b and the first knife base body 61b, and the hinge shaft 68b is fixedly connected with the first knife base 5 b. The first rotary shaft 7b is rotatably connected to the first holder body 61b by a bearing 65b and is axially fixed by a nut 71 b. The first rotating shaft 7b is provided with a first center hole, the first electric heating rod 9b is fixed on the first heating rod support 62b and extends into the first center hole, and a gap is left between the first electric heating rod 9b and the inner wall of the first center hole. Preferably, the first electric heating rod 9b passes through the mounting hole of the first heating rod holder 62b and is fastened by the fastener 67 b.

The first central hole is a through hole, a first cutter 8b is attached to and fixed on the outer side end face of the first rotating shaft 7b, and the first cutter 8b seals the first central hole. In the above configuration, the first rotating shaft 7b is not exposed, and therefore does not interfere with the bus bar workpiece when cutting is performed. The first cutter 8b is fastened on the outer end face of the first rotating shaft 7b through a fastener, the cutter is convenient to replace through connection of the fastener, the cutter is simpler and more practical, and the countersunk head screw is not exposed when fastening is carried out, so that interference on cutting is less prone to being caused.

Due to the gap, the first rotating shaft 7b does not wear the first electric heating rod 9b when rotating, and the first rotating shaft 7b is heated by heat radiation. Moreover, the first cutter 8b is fixed to the outer end face of the first cutter 8b by a fastener, so that heat can be conducted to the first cutter 8b by contact, so that the temperature of the first cutter 8b is rapidly increased to become a "hot knife", facilitating cutting. The first shaft 7b is provided with a head portion which is considerably increased in cross-sectional area with respect to the other portions of the first shaft 7b, thereby increasing the heat transfer area when the first shaft 7b is in contact with the first cutter 8b.

The heat generated by the first electric heating rod 9b being energized is effective only by the heat conducted to the first cutter 8b, and the smaller the heat conducted to other parts, the better. In this regard, the first holder body 61b is provided with heat dissipation holes 63b, and the first heater rod holder 62b is provided with heat dissipation holes 64b. Further, as shown in fig. 14, the first electric heating rod support 62b is designed in a U-shaped structure having a hollow portion for the purpose of reducing a heat transfer area in contact with the first blade holder body 61 b. The first blade holder body 61b is provided with a through hole 66b, and the through hole 66b is communicated with the hollow part of the U-shaped structure, so that the heat dissipation effect can be improved, and the lead of the first electric heating rod 9b can conveniently pass through the through hole.

In the lower transverse rolling and cutting device, the heating device, the installation structure thereof, the heat conduction structure and the like are collectively referred to as a hot knife device, and compared with the hot knife device in the upper transverse rolling and cutting device, the structure and the principle are basically the same, and the simple expression is as follows:

in the longitudinal rolling cutting device, the second heating device comprises a second electric heating rod, and the second electric heating rod is used for heating the second rotating shaft and conducting heat to the second cutter through the second rotating shaft. The second tool apron body is hinged with the second tool rest, the second rotating shaft is rotatably connected with the second tool apron body, the second rotating shaft is provided with a second center hole, the second electric heating rod is fixed on the second heating rod support and extends into the second center hole, and a gap is reserved between the second electric heating rod and the inner wall of the second center hole; the second center hole is a through hole, the second cutter is attached to and fixed on the outer end face of the second rotating shaft, and the second center hole is closed by the second cutter. The second cutter holder body and the second heating rod support are provided with heat dissipation holes.

In the longitudinal rolling and cutting device, the heating device, the installation structure thereof, the heat conduction structure and the like are collectively called as a hot knife device, and compared with the hot knife device in the upper transverse rolling and cutting device, the structure and the principle are basically the same, and the simple expression is as follows:

as shown in fig. 15 and 16, in the longitudinal rolling cutting device, the third heating means includes a third electric heating rod 23b, and the third electric heating rod 23b is used for heating the third rotating shaft 21b and conducting heat to the third cutter 22b through the third rotating shaft 21 b.

The third tool apron 20b includes a third tool apron body 201b and a third heating rod support 202b which are fixedly connected together, the third tool apron body 201b is hinged with a third tool rest 19b (see fig. 11), a third rotating shaft 21b is rotatably connected with the third tool apron body through a bearing 206, the third rotating shaft 21b is provided with a third central hole, a third electric heating rod 23b is fixed on the third heating rod support 202b and extends into the third central hole, and a gap is left between the third electric heating rod 23b and the inner wall of the third central hole.

The third central hole is a through hole, the third cutter is attached to and fixed to the outer end surface of the third rotating shaft 21b, and the third cutter 22b closes the third central hole. The third tool rest body 201b is provided with heat dissipation holes 203b, and the third heater rod holder 202b is also provided with heat dissipation holes 204b. The third electric heating rod 23b passes through the mounting hole of the third heating rod holder 202b and is fixed by a fastener 207 b.

The utility model discloses in, roll and cut the device and realize by the slip actuating mechanism.

As shown in fig. 10 and 11, the upper transverse sliding driving mechanism includes two first lead screws 39b, one of the first lead screws 39b is rotatably mounted on the upper bracket 3b, the first tool rest 5b is in threaded connection with the first lead screw 39b, and the first lead screw 39b is in transmission connection with a first motor 40 b. The first tool rest 5b comprises a first tool rest body 51b and a first slide block 52b which are fixedly connected together, the first slide block 52b is slidably mounted on the upper bracket 3b, and the first slide block 52b is provided with a first nut (not shown in the figure) which is in threaded connection with the first lead screw 39 b.

The lower transverse sliding driving mechanism comprises another first lead screw 39b, the other first lead screw 39b is rotatably arranged on the lower bracket 12b, the second tool rest 13b is in threaded connection with the other first lead screw 39b, and the other first lead screw 39b is in transmission connection with a first motor 40b or is driven by an independent motor. The second tool holder 13b includes a second tool holder body 131b and a second slider 132b fixedly connected together, the second slider 132b is slidably mounted on the lower frame 12b, and the second slider 132b is provided with a second nut (not shown) threadedly connected to the other first lead screw 39 b.

The longitudinal sliding driving mechanism comprises a second lead screw 41b, the second lead screw 41b is rotatably mounted on the longitudinal support 18b, the third tool rest 19b is in threaded connection with the second lead screw 41b, and the second lead screw 41b is in transmission connection with a second motor 42 b. The third tool holder 19b comprises a second tool holder body 191b and a third slide block 192b fixedly connected together, the third slide block 192b is slidably mounted on the lower bracket 12b, and the third slide block 192b is provided with a third nut (not shown), and the third nut is in threaded connection with the second lead screw 41 b.

As shown in fig. 10, the cutting platform 3b is further provided with a front pressing mechanism for pressing the front portion of the bus bar and a rear pressing mechanism for pressing the rear portion of the bus bar. Compared to example 1, the structure is slightly different:

the front pressing part comprises a first pressing cylinder 27b installed on the upper support 3b, the first pressing cylinder 27b is connected with a pressing plate 28b, and the first pressing cylinder 27b drives the pressing plate 28b to lift so as to press the bus. The rear pressing portion comprises a pressing arm 29b, one end of the pressing arm 29b is arranged above the second open slot 25b, the other end of the pressing arm 29b is connected with a second pressing cylinder 30b, a cylinder body of the second pressing cylinder 30b is fixed on the cutting platform 2b, and the second pressing cylinder 30b presses the bus through swinging. The front pressing part and the rear pressing part respectively press two ends of the bus, so that the reliability of bus pressing is improved.

By using the bus bar thermoplastic tube cutting machine disclosed in the embodiment 1 and the embodiment 2, an "H" shaped cut (two transverse cuts and one longitudinal cut) or a "T" shaped cut (one transverse cut and one longitudinal cut) can be cut on the heat shrinkable tube, thereby providing good adaptability for cutting the material of the bus bar heat shrinkable tube. However, in some cases, if only the end of the heat shrinkable tube needs to be trimmed, the control of the longitudinal cut is easier, the cutter is cut from the edge to the limit point and then returns without active cutter lifting, and at this time, the longitudinal rolling device with the power cutter lifting mechanism in the embodiment 1 and the embodiment 2 is only required to be replaced by the lower transverse rolling device, so that the longitudinal rolling is also like the transverse rolling, the cutter is automatically jacked up by the bus and then automatically reset by the torsion spring, and the cutter lifting power is omitted, so that the equipment is simplified and energy is saved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bus bar heat shrinkable tube cutting unit comprising:

the cutting platform is provided with a first open slot, and the first open slot extends along the width direction of the bus; an upper bracket is fixed at the top of the cutting platform, an upper transverse rolling cutting device is slidably mounted on the upper bracket, the upper transverse rolling cutting device is in transmission connection with an upper transverse sliding driving mechanism, the moving direction of the upper transverse rolling cutting device is consistent with the extending direction of the first open groove, and a cutting tool of the upper transverse rolling cutting device is arranged in the first open groove; a lower support is fixed at the bottom of the cutting platform, a lower transverse rolling cutting device is slidably mounted on the lower support, the lower transverse rolling cutting device is in transmission connection with a lower transverse sliding driving mechanism, the moving direction of the lower transverse rolling cutting device is consistent with the extending direction of the first open groove, and a cutting tool of the lower transverse rolling cutting device is arranged in the first open groove; it is characterized in that the preparation method is characterized in that,

the cutting platform is provided with a second open slot, the second open slot extends along the length direction of the bus, and the second open slot is communicated with the first open slot;

the bottom of the cutting platform is fixed with a longitudinal support, a longitudinal rolling cutting device is slidably mounted on the longitudinal support, the longitudinal rolling cutting device is in transmission connection with a longitudinal sliding driving mechanism, the moving direction of the longitudinal rolling cutting device is consistent with the extending direction of the second groove, and during cutting, a cutting tool of the longitudinal rolling cutting device is located in the second groove.

2. The busbar heat shrink tube cutting unit of claim 1, wherein the upper transverse hobbing device comprises: the upper end of the first tool apron is hinged to the first tool rest, torsion springs are mounted between two side walls of the first tool apron and the first tool rest, and the first tool is rotatably mounted at the lower end of the first tool apron through a first rotating shaft;

the lower transverse hobbing device comprises: the lower end of the second tool apron is hinged to the second tool rest, torsion springs are mounted between two side walls of the second tool apron and the second tool rest, and the second tool is mounted at the upper end of the second tool apron in a rotating mode through a second rotating shaft.

3. The busbar heat shrink tube cutting unit of claim 2, wherein the longitudinal hobbing device comprises: the middle of the third tool apron is hinged to the third tool rest, the third tool is rotatably installed at the upper end of the third tool apron through a third rotating shaft, and a power tool lifting mechanism is arranged between the third tool apron and the third tool rest.

4. The busbar heat shrink tube cutting unit of claim 3, wherein the power knife lifting mechanism comprises an ejector cylinder or an electric push rod connected between the lower end of the third knife rest and the third knife rest.

5. The busbar heat shrink tube cutting unit according to claim 1, wherein the upper transverse hobbing device is provided with a first heating device for raising the temperature of the cutting tool thereof, the lower transverse hobbing device is provided with a second heating device for raising the temperature of the cutting tool thereof, and the longitudinal hobbing device is provided with a third heating device for raising the temperature of the cutting tool thereof.

6. The busbar heat shrink tube cutting unit according to claim 3 or 4, wherein the upper transverse hobbing device is provided with a first heating device for increasing the temperature of the first cutter thereof, the lower transverse hobbing device is provided with a second heating device for increasing the temperature of the second cutter thereof, and the longitudinal hobbing device is provided with a third heating device for increasing the temperature of the third cutter thereof.

7. The busbar heat shrink tube cutting unit of claim 6, wherein the first heating device comprises a first electrical heating rod for heating the first rotating shaft and conducting heat to the first cutter through the first rotating shaft; the second heating device comprises a second electric heating rod, and the second electric heating rod is used for heating the second rotating shaft and conducting heat to the second cutter through the second rotating shaft; the third heating device comprises a third electric heating rod, the third electric heating rod is used for heating the third rotating shaft, and heat is conducted to the third cutter through the third rotating shaft.

8. The bus bar heat shrinkable tube cutting unit according to claim 7, wherein the first knife holder comprises a first knife holder body and a first heating rod support which are fixedly connected together, the first knife holder body is hinged to the first knife holder, the first rotating shaft is rotatably connected to the first knife holder body, the first rotating shaft is provided with a first central hole, the first electric heating rod is fixed to the first heating rod support and extends into the first central hole, and a gap is left between the first electric heating rod and an inner wall of the first central hole;

the second tool apron body is hinged with the second tool rest, the second rotating shaft is rotatably connected with the second tool apron body, the second rotating shaft is provided with a second center hole, the second electric heating rod is fixed on the second heating rod support and extends into the second center hole, and a gap is reserved between the second electric heating rod and the inner wall of the second center hole;

the third blade holder includes third blade holder body and third heating rod support that fixed connection is in the same place, third blade holder body with the third blade holder is articulated, the third pivot with third blade holder body rotates the connection, the third pivot is provided with the third centre bore, the third electrical heating rod is fixed in the third heating rod support and stretches into the third centre bore, the third electrical heating rod with the clearance is left to the inner wall of third centre bore.

9. The busbar heat shrink tube cutting unit of claim 8, wherein the first central hole is a through hole, the first cutter abuts against and is fixed to an outer end face of the first rotating shaft, and the first cutter closes the first central hole; the second central hole is a through hole, the second cutter is attached to and fixed on the outer end face of the second rotating shaft, and the second central hole is closed by the second cutter; the third center hole is a through hole, the third cutter is attached to and fixed on the outer side end face of the third rotating shaft, and the third cutter seals the third center hole.

10. The busbar heat shrinkable tube cutting unit according to claim 9, wherein the first rotary shaft is provided with a head portion having a substantially increased cross-sectional area with respect to other portions of the first rotary shaft, the first cutter is fastened to an outer end surface of the head portion by a fastening member, and the second rotary shaft and the third rotary shaft have the same structure as the first rotary shaft.

11. The busbar heat shrink tube cutting unit of claim 9, wherein the first blade holder body and the first heater bar support, the second blade holder body and the second heater bar support, and the third blade holder body and the third heater bar support are provided with heat dissipation holes.

12. The busbar heat shrink tube cutting unit of claim 2, wherein the longitudinal hobbing device is identical in structure to the lower transverse hobbing device.

13. The busbar heat shrink tube cutting unit of claim 3, wherein the upper transverse sliding driving mechanism comprises a first lead screw, the first lead screw is rotatably mounted on the upper bracket, the first tool holder is in threaded connection with the first lead screw, and the first lead screw is in transmission connection with a first motor;

the lower transverse sliding driving mechanism comprises another first lead screw which is rotatably arranged on the lower bracket, the second tool rest is in threaded connection with the other first lead screw, and the other first lead screw is in transmission connection with the first motor or is driven by an independent motor;

the longitudinal sliding driving mechanism comprises a second lead screw, the second lead screw is rotatably installed on the longitudinal support, the third tool rest is in threaded connection with the second lead screw, and the second lead screw is in transmission connection with a second motor.

14. A bus bar heat shrinkable tube cutting machine, comprising the bus bar heat shrinkable tube cutting unit according to any one of claims 1 to 13.

15. The busbar heat shrink tube cutting machine according to claim 14, wherein a front pressing mechanism for pressing a front portion of the busbar and a rear pressing mechanism for pressing a rear portion of the busbar are mounted on the cutting platform.