Thermocouple platinum rhodium wire cutting machine

Abstract

The thermocouple platinum rhodium wire cutting machine comprises a bottom plate, the surface of the bottom plate is fixedly connected with a driving mechanism, a supporting frame and a supporting plate, the surface of the supporting plate is provided with a cutting mechanism, a conveying mechanism and a limiting pipe, and the inner wall of the supporting frame is rotationally connected with a switching disc. A plurality of limiting columns are fixedly connected to the front face of the switching disc in an annular array mode, clamping assemblies are arranged at the ends of the limiting columns, spools are arranged on the outer surfaces of the limiting columns in a sleeving mode, platinum-rhodium wires are wound on the outer surfaces of the spools, and a gear ring is fixedly connected to the back face of the switching disc. By arranging the clamping assembly, quick mounting and quick dismounting of the spool can be facilitated, by arranging the driving mechanism, utilizing the servo motor to drive the gear to rotate, and utilizing the gear to drive the gear ring to rotate, the switching disc can be driven to rotate, and a new spool can be quickly switched through rotation of the switching disc. And the replacement process of the spool is time-saving and labor-saving, and convenience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of wire cutting machines, in particular to a thermocouple platinum-rhodium wire cutting machine. Background Art

[0002] Platinum-rhodium wire is an ideal material for making thermocouples because it has a high temperature measurement range and accuracy. Platinum-rhodium thermocouples are widely used in high temperature measurement, process control and aerospace.

[0003] Through searching, it was found that CN214814444U relates to a new type of thermocouple fully automatic platinum-rhodium wire cutting machine, including a base and a bracket fixed to the upper side of the base, a rotating shaft is passed through the upper side of the bracket, an I-shaped wheel is provided on the rotating shaft, a platinum-rhodium wire is wound around the I-shaped wheel, a wire wheel is provided on the lower side of the I-shaped wheel, a traction motor is provided on one side of the wire wheel, a wire hole corresponding to the wire wheel is provided on the upper side of the base, a first cutter and a second cutter are passed through the middle of the base, a reciprocating motor is provided at one end of the first cutter and the second cutter, and a wire drop hole corresponding to the wire hole is provided on the lower side of the base. The utility model pulls the platinum-rhodium wire down through the wire wheel, passes through the cutting openings on the first cutter and the second cutter, and after reaching the required length, the reciprocating motor works to control the first cutter and the second cutter to cut the platinum-rhodium wire, thereby realizing automatic cutting, which is convenient for blanking and collection.

[0004] However, during use, when the platinum-rhodium wire on the surface of the I-shaped wheel is used up, it is necessary to replace it with a new I-shaped wheel. The process of replacing the new I-shaped wheel is very inconvenient, time-consuming and labor-intensive.

[0005] Therefore, we need a thermocouple platinum-rhodium wire cutting machine. Utility Model Content

[0006] The purpose of the utility model is to provide a thermocouple platinum-rhodium wire cutting machine to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermocouple platinum-rhodium wire cutting machine, comprising a bottom plate, the surfaces of the bottom plate are respectively fixedly connected with a driving mechanism, a support frame and a support plate, the surfaces of the support plate are respectively provided with a cutting mechanism, a conveying mechanism and a limiting tube, and a through groove is opened on the surface of the support plate, the inner wall of the support frame is rotatably connected with a switching disk, the front side of the switching disk is fixedly connected with a plurality of limiting columns in a ring array, a locking assembly is arranged at the end of the limiting column, the outer surface of the limiting column is sleeved with an I-shaped wheel, the outer surface of the I-shaped wheel is wound with platinum-rhodium wire, the back side of the switching disk is fixedly connected with a gear ring, and the gear ring and the driving mechanism are meshed with each other.

[0008] Preferably, the driving mechanism includes a servo motor and a gear, the servo motor is fixedly connected to the surface of the bottom plate through a motor frame, and the gear is fixedly connected to the rotating end of the servo motor.

[0009] Preferably, the cutting mechanism comprises a first motor and a cross cutting knife, the first motor is fixedly connected to the back side of the support plate, and the cross cutting knife is fixedly installed on the rotating end of the first motor.

[0010] Preferably, there are two conveying mechanisms, and the two conveying mechanisms are respectively located at the end and the middle of the limiting tube, the conveying mechanism includes a second motor, a conveying wheel and a driven wheel, the second motor is fixedly connected to the back side of the support plate, the conveying wheel and the driven wheel are both rotatably connected to the front side of the support plate, and the conveying wheel is fixedly connected to the rotating end of the second motor.

[0011] Preferably, a notch is provided on the surface of the limiting tube, and the notch corresponds to the conveying wheel and the driven wheel.

[0012] Preferably, the locking assembly includes a shift plate, a spring and a blocking column, a groove is provided at the end of the limiting column, two shift plates are slidably connected to the inner wall of the groove, the spring is fixedly connected between the two shift plates, the blocking column is fixedly connected to the surface of the shift plate, and the blocking column extends to the outside of the limiting column.

[0013] Preferably, a collecting box is fixedly connected to the side of the bottom plate. Beneficial Effects

[0014] The utility model provides a thermocouple platinum-rhodium wire cutting machine, which has the following beneficial effects:

[0015] 1. The thermocouple platinum-rhodium wire cutting machine can facilitate the rapid installation and removal of the I-shaped wheel by setting a positioning assembly, and by setting a driving mechanism, a servo motor is used to drive the gear to rotate, and then the gear is used to drive the gear ring to rotate, so as to drive the switching disk to rotate. By rotating the switching disk, a new I-shaped wheel can be quickly switched. Compared with the existing technology, the replacement process of the I-shaped wheel saves time and labor, and provides convenience for users.

[0016] 2. The thermocouple platinum-rhodium wire cutting machine is provided with a conveying mechanism and a cutting mechanism. The conveying wheel is driven to rotate by the second motor, so that the platinum-rhodium wire can enter the limiting tube. The cross cutting knife is driven to rotate by the first motor, so that the platinum-rhodium wire can be quickly cut. The collection box is provided, so that the cut platinum-rhodium wire can be uniformly collected, which provides convenience for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a thermocouple platinum-rhodium wire cutting machine proposed by the utility model;

[0018] Figure 2 The utility model provides a thermocouple platinum-rhodium wire cutting machine. Figure 1 A is a schematic diagram of the enlarged structure;

[0019] Figure 3 This is a rear-view stereoscopic structural schematic diagram of a thermocouple platinum-rhodium wire cutting machine proposed by the utility model;

[0020] Figure 4 The utility model provides a schematic diagram of the top view of the thermocouple platinum-rhodium wire cutting machine.

[0021] In the figure: 1. bottom plate; 2. driving mechanism; 3. support frame; 4. support plate; 5. cutting mechanism; 6. conveying mechanism; 7. limiting tube; 8. through slot; 9. switching plate; 10. limiting column; 11. positioning assembly; 12. I-wheel; 13. gear ring; 14. servo motor; 15. gear; 16. first motor; 17. cross cutting knife; 18. second motor; 19. conveying wheel; 20. driven wheel; 21. shift plate; 22. spring; 23. blocking column; 24. collecting box. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a thermocouple platinum-rhodium wire cutting machine, comprising a bottom plate 1, the surface of the bottom plate 1 is respectively fixedly connected with a driving mechanism 2, a support frame 3 and a support plate 4, the surface of the support plate 4 is respectively provided with a cutting mechanism 5, a conveying mechanism 6 and a limiting tube 7, and the surface of the support plate 4 is provided with a through groove 8, the inner wall of the support frame 3 is rotatably connected with a switching disk 9, the front of the switching disk 9 is fixedly connected with a plurality of limiting columns 10 in a ring array, and a clamping assembly 11 is arranged at the end of the limiting column 10, the clamping assembly 11 comprises a dial plate 21, a spring 22 and a blocking column 23, a groove is provided at the end of the limiting column 10, two dial plates 21 are slidably connected to the inner wall of the groove, the spring 22 is fixedly connected between the two dial plates 21, the blocking column 23 is fixedly connected to the surface of the dial plate 21, and the blocking column 23 penetrates to the outside of the limiting column 10 On the side, the outer surface of the limit column 10 is sleeved with an I-shaped wheel 12, and the outer surface of the I-shaped wheel 12 is wound with platinum-rhodium wire. A gear ring 13 is fixedly connected to the back of the switching disk 9, and the gear ring 13 and the driving mechanism 2 are meshed with each other. The driving mechanism 2 includes a servo motor 14 and a gear 15. The servo motor 14 is fixedly connected to the surface of the bottom plate 1 through a motor frame, and the gear 15 is fixedly connected to the rotating end of the servo motor 14. By setting the positioning component 11, the rapid installation and rapid disassembly of the I-shaped wheel 12 can be facilitated. By setting the driving mechanism 2, the servo motor 14 is used to drive the gear 15 to rotate, and then the gear 15 is used to drive the gear ring 13 to rotate, so that the switching disk 9 can be driven to rotate. By rotating the switching disk 9, a new I-shaped wheel 12 can be quickly switched. Compared with the prior art, the replacement process of the I-shaped wheel 12 saves time and effort, and provides convenience for users.

[0024] The cutting mechanism 5 includes a first motor 16 and a cross cutting knife 17. The first motor 16 is fixedly connected to the back of the support plate 4. The cross cutting knife 17 is fixedly installed at the rotating end of the first motor 16. There are two conveying mechanisms 6, and the two conveying mechanisms 6 are respectively located at the end and the middle of the limiting tube 7. The conveying mechanism 6 includes a second motor 18, a conveying wheel 19 and a driven wheel 20. The second motor 18 is fixedly connected to the back of the support plate 4. The conveying wheel 19 and the driven wheel 20 are both rotatably connected to the front of the support plate 4, and the conveying wheel 19 and the second motor The rotating end of 18 is fixedly connected, a notch is opened on the surface of the limiting tube 7, and the notch corresponds to the conveying wheel 19 and the driven wheel 20, and a collecting box 24 is fixedly connected to the side of the bottom plate 1. By setting the conveying mechanism 6 and the cutting mechanism 5, the conveying wheel 19 is driven to rotate by the second motor 18, so that the platinum-rhodium wire can enter the limiting tube 7, and then the cross cutting knife 17 is driven to rotate by the first motor 16, so that the platinum-rhodium wire can be quickly cut. By setting the collecting box 24, the cut platinum-rhodium wire can be uniformly collected, which provides convenience for subsequent use.

[0025] Working principle: When the thermocouple platinum-rhodium wire cutting machine is in use, the I-wheel 12 wrapped with platinum-rhodium wire needs to be sleeved on the outside of the limiting column 10 first, and the blocking column 23 is pressed by the I-wheel 12 by setting the positioning component 11. Since the surface of the blocking column 23 is provided with an inclined surface, the spring 22 can be compressed under the extrusion effect, and the blocking column 23 will also be retracted into the limiting column 10, so that the I-wheel 12 can be quickly installed on the outside of the limiting column 10. After the I-wheel 12 is sleeved on the outside of the limiting column 10, the blocking column 23 will extend outward under the elastic force of the spring 22. Thereby, the I-shaped wheel 12 can be limited, and when the platinum-rhodium wire on the surface of the I-shaped wheel 12 is used up, the two shift plates 21 can be pressed inwardly to compress the spring 22, and the blocking column 23 will also be retracted into the limiting column 10, so as to facilitate the disassembly of the I-shaped wheel 12, and the servo motor 14 is used to drive the gear 15 to rotate, and then the gear 15 and the ring gear 13 are engaged and transmitted, so as to drive the switching disk 9 to rotate. By rotating the switching disk 9, a new I-shaped wheel 12 can be quickly switched. Compared with the prior art, the replacement process of the I-shaped wheel 12 saves time and effort, and provides convenience for users.

[0026] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A thermocouple platinum-rhodium wire cutting machine, comprising a bottom plate (1), characterized in that: The surface of the bottom plate (1) is respectively fixedly connected with a driving mechanism (2), a support frame (3) and a support plate (4); the surface of the support plate (4) is respectively provided with a cutting mechanism (5), a conveying mechanism (6) and a limiting tube (7); and a through groove (8) is provided on the surface of the support plate (4); a switching disk (9) is rotatably connected to the inner wall of the support frame (3); a plurality of limiting columns (10) are fixedly connected to the front of the switching disk (9) in an annular array; a positioning assembly (11) is provided at the end of the limiting column (10); an I-shaped wheel (12) is sleeved on the outer surface of the limiting column (10); a platinum-rhodium wire is wound around the outer surface of the I-shaped wheel (12); a gear ring (13) is fixedly connected to the back of the switching disk (9); and the gear ring (13) and the driving mechanism (2) are meshed with each other.

2. A thermocouple platinum-rhodium wire cutting machine according to claim 1, characterized in that: The driving mechanism (2) comprises a servo motor (14) and a gear (15); the servo motor (14) is fixedly connected to the surface of the bottom plate (1) via a motor frame, and the gear (15) is fixedly connected to the rotating end of the servo motor (14).

3. A thermocouple platinum-rhodium wire cutting machine according to claim 1, characterized in that: The cutting mechanism (5) comprises a first motor (16) and a cross cutting blade (17); the first motor (16) is fixedly connected to the back of the support plate (4); and the cross cutting blade (17) is fixedly mounted on the rotating end of the first motor (16).

4. A thermocouple platinum-rhodium wire cutting machine according to claim 1, characterized in that: There are two conveying mechanisms (6), and the two conveying mechanisms (6) are respectively located at the end and the middle of the limiting tube (7). The conveying mechanism (6) comprises a second motor (18), a conveying wheel (19) and a driven wheel (20). The second motor (18) is fixedly connected to the back side of the support plate (4), the conveying wheel (19) and the driven wheel (20) are both rotatably connected to the front side of the support plate (4), and the conveying wheel (19) is fixedly connected to the rotating end of the second motor (18).

5. A thermocouple platinum-rhodium wire cutting machine according to claim 4, characterized in that: A notch is provided on the surface of the limiting tube (7), and the notch corresponds to the conveying wheel (19) and the driven wheel (20).

6. A thermocouple platinum-rhodium wire cutting machine according to claim 1, characterized in that: The locking assembly (11) comprises a shift plate (21), a spring (22) and a blocking column (23); a groove is formed at the end of the limiting column (10); the two shift plates (21) are slidably connected to the inner wall of the groove; the spring (22) is fixedly connected between the two shift plates (21); the blocking column (23) is fixedly connected to the surface of the shift plate (21), and the blocking column (23) penetrates to the outside of the limiting column (10).

7. A thermocouple platinum-rhodium wire cutting machine according to claim 1, characterized in that: A collecting box (24) is fixedly connected to the side of the bottom plate (1).

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