CN113276203A - Cutting wire length and rate of tension adjusting device - Google Patents
Cutting wire length and rate of tension adjusting device Download PDFInfo
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- CN113276203A CN113276203A CN202110557518.5A CN202110557518A CN113276203A CN 113276203 A CN113276203 A CN 113276203A CN 202110557518 A CN202110557518 A CN 202110557518A CN 113276203 A CN113276203 A CN 113276203A
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- cutting wire
- moving mechanism
- tension
- bakelite
- cutting
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- 238000005520 cutting process Methods 0.000 title claims abstract description 120
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 229920001342 Bakelite® Polymers 0.000 claims description 43
- 239000004637 bakelite Substances 0.000 claims description 43
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 12
- 229920006248 expandable polystyrene Polymers 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 7
- 239000006260 foam Substances 0.000 abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000013012 foaming technology Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to a cutting wire length and tension adjusting device, which comprises: the device comprises a first moving mechanism, a second moving mechanism, a lifting frame and a tension weight; the first moving mechanism and the second moving mechanism are oppositely arranged at intervals, the first moving mechanism is fixed with one end of the cutting wire, and the cutting wire extends to the tension weight for fixation after passing through the second moving mechanism and the lifting frame; the first moving mechanism can drive one end of the cutting wire to move, the second moving mechanism can drive the middle of the cutting wire to move, the lifting frame can lift the cutting wire, and the tension weight can adjust the length and the tension of the cutting wire according to self gravity. The embodiment of the invention realizes constant control of the tensity of the cutting wires with different specifications and self-adaptive change of the length along with the change of the effective cutting length through the tension roller, namely, the length and the tensity of the cutting wires are automatically adjusted, so that the cutting wires are always kept in the optimal cutting state, the cutting quality of EPS (expandable polystyrene) plates and the lost foam is improved, and meanwhile, the method can be popularized and applied to various fields of cutting wire processing.
Description
Technical Field
The application relates to processing machinery field especially relates to a cutting wire length and rate of tension adjusting device.
Background
Due to the large demand of the building industry on heat-insulating boards and the application of the lost foam technology in the casting field, the optimization of the cutting technology of EPS boards and lost foam is very important. The method commonly adopted for cutting the EPS boards and the lost foam is an electric heating wire cutting technology, the traditional manual cutting method is adopted, the tension degree of the cutting wire needs to be adjusted in advance when the cutting wire is installed, but the wire is broken due to the fact that high-temperature-resistant hard particles in materials meet in the cutting process; when the tension of the cutting wire is adjusted through the springs fixed at the two ends of the cutting wire, the thermal expansion coefficient of the springs changes along with the temperature rise of the cutting wire, so that the tension of the cutting wire cannot be constantly controlled; moreover, when materials of different shapes are cut, the length of the cutting wire needs to be continuously adjusted to adapt to the change of the effective cutting length, the manual adjustment operation is very complicated, the efficiency is low, and the cutting effect and the working efficiency cannot be guaranteed.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a cutting wire length and tension adjusting device.
In a first aspect, the present application provides a cutting wire length and tension adjustment device, comprising: the device comprises a first moving mechanism, a second moving mechanism, a lifting frame and a tension weight;
the first moving mechanism and the second moving mechanism are oppositely arranged at intervals, the first moving mechanism is fixed with one end of a cutting wire, and the cutting wire extends to the tension weight to be fixed after passing through the second moving mechanism and the lifting frame;
the first moving mechanism can drive one end of the cutting wire to move, the second moving mechanism can drive the middle of the cutting wire to move, the lifting frame can lift the cutting wire, and the tension weight can adjust the length and the tension of the cutting wire according to self gravity.
Optionally, the numerical control benzene board frustum cutting machine further includes: the frame, the frame includes first fixed beam and the fixed roof beam of second, first fixed beam set up in the fixed roof beam top of second.
Optionally, the first moving mechanism is disposed on the first fixed beam, the second moving mechanism is disposed on the second fixed beam, and the lifting frame is disposed on the second fixed beam.
Optionally, the first moving mechanism is disposed on the second fixed beam, the second moving mechanism is disposed on the first fixed beam, and the lifting frame is disposed on the first fixed beam.
Optionally, the cutting wire length and tension adjusting device further comprises: and the sleeve wraps the moving path of the tension weight.
Optionally, the first moving mechanism comprises: the first stepping motor, the first coupler, the first ball screw, the first screw nut, the first guide rail, the first bakelite and the first fixed pulley;
the first stepping motor is connected with the first ball screw through the first coupler, and the first stepping motor drives the first ball screw to rotate through the first coupler;
the first lead screw nut is in threaded connection with the first ball screw and is in threaded connection with the first ball screw, the first lead screw nut is fixedly connected with the first bakelite, the first bakelite is in sliding connection with the first guide rail, when the first ball screw rotates, the first bakelite is driven by the first lead screw nut to slide along the first guide rail, and the first guide rail is arranged on the first fixed beam;
the first bakelite is fixedly connected with a first fixed pulley, one end of the cutting wire is fixedly connected with the first bakelite, and the cutting wire passes around the first fixed pulley, passes through the second moving mechanism and the lifting frame, and then extends to the tension weight to be fixed.
Optionally, the first moving mechanism further comprises: the first limit switch is arranged at the end part of the first guide rail.
Optionally, the first moving mechanism further comprises: two bearing seats;
and two ends of the first ball screw are respectively and rotatably connected in the two bearing seats.
Optionally, the second moving mechanism comprises: the second stepping motor, the second coupling, a second ball screw, a second screw nut, a second guide rail, a second bakelite and a second fixed pulley;
the second stepping motor is connected with the second ball screw through the second coupling, and the second stepping motor drives the second ball screw to rotate through the second coupling;
the second lead screw nut is in threaded connection with the second ball screw and is in threaded connection with the second ball screw, the second lead screw nut is fixedly connected with the second bakelite, the second bakelite is in sliding connection with the second guide rail, when the second ball screw rotates, the second bakelite is driven by the second lead screw nut to slide along the second guide rail, and the second guide rail is arranged on the second fixed beam;
the second bakelite is fixedly connected with a second fixed pulley, one end of the cutting wire is fixedly connected with the second bakelite, and the cutting wire extends to the tension block for fixation after passing around the second fixed pulley and passing through the lifting frame.
Optionally, the second moving mechanism further comprises: and the second limit switch is arranged at the end part of the second guide rail.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the embodiment of the invention realizes constant control of the tensity of the cutting wires with different specifications and self-adaptive change of the length along with the change of the effective cutting length through the tension roller, namely, the length and the tensity of the cutting wires are automatically adjusted, so that the cutting wires are always kept in the optimal cutting state, the cutting quality of EPS (expandable polystyrene) plates and the lost foam is improved, and meanwhile, the method can be popularized and applied to various fields of cutting wire processing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a device for adjusting the length and tension of a cutting wire according to an embodiment of the present disclosure;
fig. 2 is a schematic perspective view of a device for adjusting the length and tension of a cutting wire according to an embodiment of the present disclosure;
fig. 3 is a structural view of another cutting wire length and tension adjusting device according to an embodiment of the present invention;
fig. 4 is another structural diagram of another cutting wire length and tension adjusting device according to an embodiment of the present disclosure;
fig. 5 is a schematic perspective view of another cutting wire length and tension adjusting device according to an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of a sleeve according to an embodiment of the present disclosure;
FIG. 7 is a partial enlarged view of portion B of FIG. 4;
fig. 8 is a partially enlarged view of a portion C in fig. 4.
Reference numerals: the method comprises the following steps of 1-a rack, 2-a first fixed beam, 3-a first guide rail, 4-a first ball screw, 5-a first limit switch, 6-a bearing seat, 7-a first coupler, 8-a first stepping motor, 9-a first bakelite, 10-a lifting frame, 11-a tension weight, 12-a sleeve, 13-a connecting piece, 14-a second fixed beam and 15-a first fixed pulley.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
Fig. 1 is a cutting wire length and tension adjusting device according to an embodiment of the present application, as shown in fig. 1 to 4, the cutting wire length and tension adjusting device includes: the device comprises a first moving mechanism, a second moving mechanism, a lifting frame 10 and a tension weight 11;
the first moving mechanism and the second moving mechanism are oppositely arranged at intervals, the first moving mechanism is fixed with one end of a cutting wire, and the cutting wire extends to the tension weight 11 to be fixed after passing through the second moving mechanism and the lifting frame;
the first moving mechanism can drive one end of the cutting wire to move, the second moving mechanism can drive the middle of the cutting wire to move, the lifting frame 10 can lift the cutting wire, and the tension weight 11 can adjust the length and the tension of the cutting wire according to self gravity.
In the embodiment of the invention, the middle part of the cutting wire except the two ends can wind around the fixed pulley on the second moving mechanism, and when the first moving mechanism drives one end of the cutting wire and/or the second moving mechanism drives the middle part of the cutting wire to move, the position of the middle part of the cutting wire changes, namely the distance between the middle part and one end and the other end of the cutting wire changes.
When one end of the cutting wire is driven by the first moving mechanism and/or the middle of the cutting wire is driven by the second moving mechanism to move, the angle of the cutting wire relative to an object to be cut can be adjusted, the object to be cut can be cut into different peripheral surfaces, and illustratively, the object to be cut can be an EPS (expandable polystyrene) plate, a lost foam and the like.
The lifting frame can lift the cutting wire to a certain height, so that the height of the tension weight relative to the ground can be lifted, and the movable distance of the tension weight is increased.
When the tension of the cutting wire is low or the effective cutting length is prolonged, the tension of the cutting wire is smaller than the gravity of the tension weight, and the tension weight can move downwards for a certain distance, so that the tension of the cutting wire is equal to the gravity of the tension weight; when the cutting wire tension is high or the effective cutting length is shortened, the pulling force of the cutting wire is greater than the gravity of the tension weight, and the tension weight can move upwards for a certain distance, so that the pulling force of the cutting wire is equal to the gravity of the tension weight, namely, the tension and the length of the cutting wire are automatically adjusted through the gravity of the tension weight.
The embodiment of the invention realizes constant control of the tensity of the cutting wires with different specifications and self-adaptive change of the length along with the change of the effective cutting length through the tension roller, namely, the length and the tensity of the cutting wires are automatically adjusted, so that the cutting wires are always kept in the optimal cutting state, the cutting quality of EPS (expandable polystyrene) plates and the lost foam is improved, and meanwhile, the method can be popularized and applied to various fields of cutting wire processing.
In another embodiment of the present invention, as shown in fig. 1, the numerical control benzene plate frustum cutting machine further includes: the cutting machine comprises a machine frame 1, wherein the machine frame comprises a first fixed beam 2 and a second fixed beam 14, the machine frame 1 further comprises a longitudinal support frame, the first fixed beam 2 and the second fixed beam 14 are arranged on the support frame, the first fixed beam 2 is arranged above the second fixed beam 14, and the first fixed beam 2 and the second fixed beam 14 are spaced at a certain distance, so that a first moving mechanism and a second moving mechanism which are respectively arranged on the first fixed beam 2 or the second fixed beam 14 can be spaced at a certain distance, and an object to be cut can be placed between the first fixed beam 2 and the second fixed beam 14.
In another embodiment of the present invention, as shown in fig. 1 and fig. 2, the first moving mechanism is disposed on the first fixed beam 2, the second moving mechanism is disposed on the second fixed beam 14, and the lifting frame 10 is disposed on the second fixed beam 14, in the embodiment of the present invention, the moving distance of the tension weight can be increased by the lifting frame 10 disposed on the second fixed beam 14.
In another embodiment of the present invention, as shown in fig. 3 to 5, the first moving mechanism is disposed on the second fixed beam 14, the second moving mechanism is disposed on the first fixed beam 14, and the lifting frame 10 is disposed on the first fixed beam 2, in the embodiment of the present invention, by the lifting frame 10 disposed on the first fixed beam 2, since the first fixed beam is located above the second fixed beam, compared with the previous embodiment, the moving distance of the tension weight can be greatly increased in the embodiment of the present invention.
Since the tension weight has a certain weight, a safety hazard may be caused in the case that some frames may swing, and for this reason, in another embodiment of the present invention, as shown in fig. 4 to 6, the cutting wire length and tension adjusting apparatus further includes: and the sleeve 12 wraps the moving path of the tension weight 11, and the sleeve 12 is fixedly connected with the frame 1 through a connecting piece 13. Compared with the situation that the tension weight can freely swing left and right in the figure 3, the embodiment of the invention can limit the moving path of the tension weight in the sleeve by arranging the sleeve 12, so that the swing cannot occur, and the safety is improved.
In still another embodiment of the present invention, as shown in fig. 7, the first moving mechanism includes: the device comprises a first stepping motor 8, a first coupler 7, a first ball screw 4, a first screw nut, a first guide rail 3, a first bakelite 9 and a first fixed pulley 15;
the first stepping motor 8 is connected with the first ball screw 4 through the first coupler 7, and the first stepping motor 8 drives the first ball screw 4 to rotate through the first coupler 7;
the first lead screw nut is in threaded connection with the first ball screw 4 and is in threaded connection with the first ball screw 4, the first lead screw nut is fixedly connected with the first bakelite 9, the first bakelite 9 is in sliding connection with the first guide rail 3, when the first ball screw 4 rotates, the first bakelite 9 is driven by the first lead screw nut to slide along the first guide rail 3, and the first guide rail 3 is arranged on the first fixed beam 2;
the first bakelite 9 is fixedly connected with a first fixed pulley 15, one end of the cutting wire is fixedly connected with the first bakelite 9, and the cutting wire bypasses the first fixed pulley 15, passes through the second moving mechanism and the lifting frame 10, and then extends to the tension weight 11 for fixation.
The first moving mechanism provided by the embodiment of the invention can drive the first lead screw nut, the bakelite and the fixed pulley to move along the direction of the first guide rail through the first stepping motor 8, so as to drive one end of the cutting wire to move along the direction of the first guide rail, and realize the position adjustment of one end of the cutting wire.
In still another embodiment of the present invention, as shown in fig. 7, the first moving mechanism further includes: the first limit switch 5 is arranged at the end of the first guide rail 3, and in the embodiment of the invention, by arranging the first limit switch 5, when the first bakelite 9 is detected to reach the end of the first guide rail, a trigger signal can be sent to the processor corresponding to the first moving mechanism, and the processor controls the first stepping motor 8 to stop rotating, so that the first bakelite 9 is prevented from sliding out of the first guide rail.
In still another embodiment of the present invention, as shown in fig. 7, the first moving mechanism further includes: two bearing blocks 6;
two ends of the first ball screw 4 are respectively and rotatably connected into the two bearing seats 6, and the two ends of the first ball screw 4 are respectively and rotatably connected into the two bearing seats 6, so that the first ball screw 4 can be driven by the coupler to flexibly rotate.
In still another embodiment of the present invention, as shown in fig. 3, 4 and 8, the second moving mechanism includes: the second stepping motor, the second coupling, a second ball screw, a second screw nut, a second guide rail, a second bakelite and a second fixed pulley;
the second stepping motor is connected with the second ball screw through the second coupling, and the second stepping motor drives the second ball screw to rotate through the second coupling;
the second lead screw nut is in threaded connection with the second ball screw and is in threaded connection with the second ball screw, the second lead screw nut is fixedly connected with the second bakelite, the second bakelite is in sliding connection with the second guide rail, when the second ball screw rotates, the second bakelite is driven by the second lead screw nut to slide along the second guide rail, and the second guide rail is arranged on the second fixed beam;
the second bakelite is fixedly connected with a second fixed pulley, one end of the cutting wire is fixedly connected with the second bakelite, and the cutting wire extends to the tension block for fixation after passing around the second fixed pulley and passing through the lifting frame.
In the embodiment of the invention, the section of the cutting wire wound around the second fixed pulley is the middle part of the cutting wire.
The structure of the second moving mechanism provided by the embodiment of the invention is the same as that of the first moving mechanism, and the second screw nut, the second bakelite and the second fixed pulley can be driven by the second stepping motor to move along the direction of the second guide rail, so that the middle part of the cutting wire is driven to move along the direction of the second guide rail, and the position adjustment of the middle part of the cutting wire is realized.
In yet another embodiment of the present invention, the second moving mechanism further includes: the second limit switch is arranged at the end part of the second guide rail, and when the second bakelite is detected to reach the end part of the second guide rail, the trigger signal can be sent to the processor corresponding to the second moving mechanism, and the processor controls the second stepping motor to stop rotating, so that the second bakelite is prevented from sliding out of the second guide rail.
In yet another embodiment of the present invention, the second moving mechanism further includes: two bearing seats;
the two ends of the second ball screw are respectively connected in the two bearing seats in a rotating mode, and the second ball screw can be driven by the coupler to flexibly rotate conveniently.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cutting wire length and tension adjustment device, comprising: the device comprises a first moving mechanism, a second moving mechanism, a lifting frame (10) and a tension weight (11);
the first moving mechanism and the second moving mechanism are oppositely arranged at intervals, the first moving mechanism is fixed with one end of a cutting wire, and the cutting wire extends to the tension weight (11) to be fixed after passing through the second moving mechanism and the lifting frame;
the cutting wire lifting device is characterized in that the first moving mechanism can drive one end of the cutting wire to move, the second moving mechanism can drive the middle of the cutting wire to move, the lifting frame (10) can lift the cutting wire, and the tension weight (11) can adjust the length and the tension of the cutting wire according to self gravity.
2. The cutting wire length and tension adjustment device of claim 1, further comprising: the frame (1), the frame includes first fixed beam (2) and second fixed beam (14), first fixed beam (2) set up in second fixed beam (14) top.
3. The cutting wire length and tension adjustment device according to claim 2, wherein the first moving mechanism is disposed on the first fixed beam (2), the second moving mechanism is disposed on the second fixed beam (14), and the lifting frame (10) is disposed on the second fixed beam (14).
4. The cutting wire length and tension adjustment device according to claim 2, wherein the first moving mechanism is disposed on the second fixed beam (14), the second moving mechanism is disposed on the first fixed beam (2), and the lifting frame (10) is disposed on the first fixed beam (2).
5. The cutting wire length and tension adjustment device according to claim 3 or 4, wherein the cutting wire length and tension adjustment device further comprises: a sleeve (12), wherein the sleeve (12) wraps the moving path of the tension weight (11).
6. The wire length and tension adjustment device of claim 2, wherein the first movement mechanism comprises: the device comprises a first stepping motor (8), a first coupler (7), a first ball screw (4), a first screw nut, a first guide rail (3), a first bakelite (9) and a first fixed pulley (15);
the first stepping motor (8) is connected with the first ball screw (4) through the first coupler (7), and the first stepping motor (8) drives the first ball screw (4) to rotate through the first coupler (7);
the first lead screw nut is in threaded connection with the first ball screw (4) and is in threaded connection with the first ball screw (4), the first lead screw nut is fixedly connected with the first bakelite (9), the first bakelite (9) is in sliding connection with the first guide rail (3), when the first ball screw (4) rotates, the first bakelite (9) is driven to slide along the first guide rail (3) through the first lead screw nut, and the first guide rail (3) is arranged on the first fixed beam (2);
the first bakelite (9) is fixedly connected with a first fixed pulley (15), one end of the cutting wire is fixedly connected with the first bakelite (9), and the cutting wire passes around the first fixed pulley (15), passes through the second moving mechanism and the lifting frame (10), and then extends to the tension weight (11) to be fixed.
7. The wire length and tension adjustment device of claim 6, wherein the first movement mechanism further comprises: the first limit switch (5), first limit switch (5) set up in the tip of first guide rail (3).
8. The wire length and tension adjustment device of claim 6, wherein the first movement mechanism further comprises: two bearing blocks (6);
and two ends of the first ball screw (4) are respectively and rotatably connected into the two bearing seats (6).
9. The wire length and tension adjustment device of claim 2, wherein the second movement mechanism comprises: the second stepping motor, the second coupling, a second ball screw, a second screw nut, a second guide rail, a second bakelite and a second fixed pulley;
the second stepping motor is connected with the second ball screw through the second coupling, and the second stepping motor drives the second ball screw to rotate through the second coupling;
the second lead screw nut is in threaded connection with the second ball screw and is in threaded connection with the second ball screw, the second lead screw nut is fixedly connected with the second bakelite, the second bakelite is in sliding connection with the second guide rail, when the second ball screw rotates, the second bakelite is driven by the second lead screw nut to slide along the second guide rail, and the second guide rail is arranged on the second fixed beam;
the second bakelite is fixedly connected with a second fixed pulley, one end of the cutting wire is fixedly connected with the second bakelite, and the cutting wire extends to the tension block for fixation after passing around the second fixed pulley and passing through the lifting frame.
10. The wire length and tension adjustment device of claim 9, wherein the second movement mechanism further comprises: and the second limit switch is arranged at the end part of the second guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110557518.5A CN113276203A (en) | 2021-05-21 | 2021-05-21 | Cutting wire length and rate of tension adjusting device |
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| CN202110557518.5A CN113276203A (en) | 2021-05-21 | 2021-05-21 | Cutting wire length and rate of tension adjusting device |
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Application publication date: 20210820 |