Wire shaping machine for producing NTC (Negative Temperature Coefficient) temperature sensor

Abstract

The utility model discloses a wire shaping machine for producing an NTC temperature sensor, which comprises a working table, an electric cylinder sliding table is arranged on the working table, the wire shaping machine further comprises a wire arranging jig for bearing wires, and a fixing device for fixing the wire arranging jig is arranged on a sliding block of the electric cylinder sliding table; a first shaping device and a second shaping device are arranged on the working table top, the position of the first shaping device is closer to the movement starting point of the sliding block relative to the second shaping device, and the sliding block firstly moves to the first shaping device to complete shaping and then moves to the second shaping device; the wire shaping device can complete automatic shaping of wires, and is good in shaping effect and high in efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of wire shaping devices, in particular to a wire shaping machine for producing NTC temperature sensors. Background Art

[0002] In the production process of NTC temperature sensors, the chip needs to be welded to two wires. Currently, this step is mostly done manually. Two cut wires are manually tinned and welded one by one according to the chip fixture. However, manual welding has a high defect rate, low efficiency, high difficulty for operators, and workers inhaling harmful gases will endanger their health. Therefore, people hope to automate this step.

[0003] In the prior art, the Chinese invention patent authorization publication number is CN106092364B, which discloses a NTC temperature sensor insert production device, which completes the chip clamping between two wires through the cooperation of a fixed plate, a wire core positioning fixture and a wire core shaping fixture, and upgrades the previous manual welding one by one to the whole frame welding of the equipment to improve production efficiency. However, when shaping the wires, the wires need to be manually placed into the wire groove of the fixed plate one by one, and the wire cores need to be manually adjusted after being placed in the wire groove. Finally, each pair of wires are shaped separately with a wire core shaping fixture. The above steps all require manual operation, the degree of automation is low, the production efficiency is limited, and manual operation will result in low wire shaping consistency, reducing the product qualification rate. Therefore, a wire shaping machine with a high degree of automation for making single-wire NTC temperature sensors is needed to solve the above problems. Utility Model Content

[0004] Aiming at the technical problem of how to improve the automation degree of wire shaping when welding wires and chips, the utility model provides a wire shaping machine for manufacturing a single-wire NTC temperature sensor.

[0005] To achieve the above-mentioned purpose, the utility model provides a wire shaping machine for producing NTC temperature sensors, comprising a work surface, on which an electric cylinder slide is arranged, the wire shaping machine also comprises a wire arrangement fixture for carrying wires, and a fixing device for fixing the wire arrangement fixture is arranged on the slider of the electric cylinder slide;

[0006] The work surface is provided with a first shaping device and a second shaping device, and the sliding block passes through the first shaping device and the second shaping device in sequence.

[0007] Preferably, the first shaping device comprises a first parallel finger cylinder, and two parallel fingers of the first parallel finger cylinder are respectively provided with a first shaping part and a second shaping part.

[0008] Preferably, the first shaping part and the second shaping part are respectively provided with a plurality of convex teeth, the convex teeth of the first shaping part and the convex teeth of the second shaping part are staggered with each other, the wire is located between the two convex teeth, and the concentric movement of the two parallel fingers drives the concentric movement of the two convex teeth.

[0009] Preferably, a cylinder slider is provided on a side of the first parallel finger cylinder close to the working platform, a sliding seat is provided on the working table, and the sliding seat is slidably connected to the cylinder slider.

[0010] Preferably, the second shaping device comprises a second parallel finger cylinder, the output end of the second parallel finger cylinder is respectively provided with a first forming block and a second forming block, the wire is placed between the first forming block and the second forming block, and the output end drives the two forming blocks to move toward the center.

[0011] Preferably, the wire shaping machine includes a wire carrying plate for carrying wires, a positioning groove is provided on one side of the wire arrangement fixture, the wire carrying plate is engaged with the wire arrangement fixture through the positioning groove, and a plurality of wire carrying grooves are provided on the edge of the side with the positioning groove.

[0012] Preferably, the cable arrangement fixture is provided with at least one clamping hole therethrough.

[0013] Preferably, the fixing device includes a support structure and a cylinder arranged on the lower surface of the crossbeam of the support structure, the support structure is arranged on the slider, the cylinder is provided with a push rod near one end of the slider, a pressure strip is fixed at one end of the push rod, and the push rod drives the pressure strip to move linearly toward the slider.

[0014] Preferably, the work surface is provided with a guide rail, and the slider is slidably connected to the guide rail.

[0015] Due to the implementation of the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] The utility model can realize the shaping of wires by setting up a first shaping device and a second shaping device. The two wire arrangement fixtures can be molded together to meet the welding requirement of placing a chip between two wires. The structure of the first shaping device, the second shaping device and the wire arrangement fixture can complete the shaping of multiple wires at one time, thereby improving efficiency. The electric cylinder slide transports the wires to each shaping device, thereby improving the degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the wire shaping machine of the utility model.

[0018] Figure 2 It is a three-dimensional diagram of the electric cylinder slide of the utility model.

[0019] Figure 3 This is an exploded view of the first shaping device of the utility model.

[0020] Figure 4 It is a three-dimensional diagram of the second shaping device of the present utility model.

[0021] Figure 5 It is a three-dimensional diagram of the cable arrangement fixture of the present utility model.

[0022] Figure 6 It is a three-dimensional diagram of the fixing device of the present utility model. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0024] See also Figure 1 , 2 5. The utility model includes a work surface 1, on which an electric cylinder slide 2 is arranged, and a fixing device 22 is arranged on a slider 21 of the electric cylinder slide 2. The wire shaping machine also includes a wire arrangement fixture 5 for carrying wires, and a fixing device 22 for fixing the wire arrangement fixture 5 is arranged on the slider 21 of the electric cylinder slide 2;

[0025] The first shaping device 3 and the second shaping device 4 are arranged on the work surface 1, and the position of the first shaping device 3 is closer to the movement starting point of the slider 21 than the second shaping device 4. The cut wire is placed in the wire arrangement jig, and the wire arrangement jig is placed in the fixing device. The slider first moves the wire arrangement jig to the first shaping device for left and right shaping. After the left and right shaping is completed, the motor moves the jig to the second shaping device for up and down shaping. After the shaping is completed, it returns to the original position, that is, the action is completed, and the formed wire arrangement jig is taken out, thereby realizing the automatic shaping of the wire;

[0026] The first shaping device and the second shaping device may be a V-groove mold, a pressing plate or a parallel finger cylinder.

[0027] Preferably, in this embodiment, the first shaping device and the second shaping device are parallel finger cylinders. The use of parallel finger cylinders can realize the automation of the shaping operation of the shaping device on the wire, and can also improve the consistency of the shaping quality and improve the product qualification rate.

[0028] In this embodiment, the first shaping device includes a first parallel finger cylinder, and the two parallel fingers of the first parallel finger cylinder are respectively provided with a first shaping part and a second shaping part, and the first shaping part and the second shaping part are respectively provided with a plurality of convex teeth, and the convex teeth of the first shaping part and the convex teeth of the second shaping part are staggered with each other, and the wire is located between the two convex teeth, and the concentric movement of the two parallel fingers drives the concentric movement of the two convex teeth. A cylinder slider is provided on the side of the first parallel finger cylinder close to the working platform, and a sliding seat is provided on the working table, and the sliding seat is slidably connected with the cylinder slider;

[0029] See also Figure 3 The two parallel fingers 312 of the first parallel finger cylinder 31 are respectively provided with a first shaping part 3121 and a second shaping part 3122. The centering movement direction of the two parallel fingers 312 is parallel to the movement direction of the slider 21. The first shaping part 3121 is provided with a plurality of teeth protruding downward in parallel, and the second shaping part 3122 is provided with a plurality of teeth protruding upward in parallel. The first shaping part 3121 is located above the second shaping part 3122, and the teeth protruding downward and the teeth protruding upward are interlaced. When the slider moves to the first shaping device, the first parallel finger cylinder is started, and the parallel fingers drive the interlaced protruding teeth to perform centering movement, thereby completing the left and right shaping of multiple wires.

[0030] See also Figure 1 and Figure 3 The first parallel finger cylinder 31 is provided with a cylinder slider 32 on one side close to the work surface 1, and a sliding seat 33 is provided on the work surface 1. The sliding seat 33 is slidably connected with the cylinder slider 32, and the sliding direction of the cylinder slider 32 is perpendicular to the movement direction of the slider 21. When the slider moves to the first shaping device, the first parallel finger cylinder first adjusts the front and rear positions to a suitable position, and the wire enters between the interlaced teeth of the two shaping parts.

[0031] In this embodiment, the second shaping device includes a second parallel finger cylinder, and the output ends of the second parallel finger cylinder are respectively provided with a first forming block and a second forming block, the wire is placed between the first forming block and the second forming block, and the output end drives the two forming blocks to move toward the center;

[0032] See also Figure 1 and Figure 4The main structure of the second shaping device 4 is a second parallel finger cylinder 41, which is fixedly connected to the work surface 1 through a column 42. The second parallel finger cylinder 41 is provided with a third finger 4111 and a fourth finger 4112 at one end near the screw rod 23. The third finger 4111 and the fourth finger 4112 move in a concentric manner along a horizontal plane perpendicular to the work surface 1. The lower end face of the third finger 4111 is provided with a first forming block, and the upper end face of the fourth finger 4112 is provided with a second forming block. After the slider moves to the second shaping device, the wire is located between the first forming block and the second forming block, and the second parallel finger cylinder is started. The two fingers drive the two forming blocks to move in a concentric manner, thereby squeezing the wire to form the upper and lower parts.

[0033] In this embodiment, the wire shaping machine includes a wire carrier plate for carrying wires, a positioning groove is provided on one side of the wire arrangement fixture, the wire carrier plate is engaged with the wire arrangement fixture through the positioning groove, and a plurality of wire carrier grooves are provided on the edge of the side of the positioning groove; the wire arrangement fixture is provided with at least one clamping hole;

[0034] See also Figure 5 The wiring jig 5 includes a wire carrier plate 51, which carries the wires. A plurality of wire carrier grooves 52 are provided on a wide side of the contact surface between the wiring jig 5 and the wires. A positioning groove 53 is also provided on the contact surface between the wiring jig 5 and the wires. The wire carrier plate 51 is engaged with the wiring jig 5 through the positioning groove 53. A fixing groove 54 is provided on the side of the wiring jig 5 facing away from the wires. The wiring jig is provided with at least one clamping hole 55. The wiring jig is provided with a wire carrier plate to facilitate the insertion and removal of the wires. When the wires are shaped left and right, the shaping device arranges the wires into the wire carrier grooves. The wire carrier grooves can also prevent the wires from being displaced after shaping. The two wiring jigs that have completed the shaping process are molded together through the clamping holes to allow the wires to be arranged opposite to each other, which is convenient for subsequently placing the chip between the two wires for welding.

[0035] The fixing device in the utility model can be a structure such as a clamping plate, a buckle or a cylinder matching a bracket.

[0036] Preferably, in this embodiment, the fixing device comprises a support structure and a cylinder arranged on the lower surface of the crossbeam of the support structure, the support structure is arranged on the slider, the cylinder is provided with a push rod at one end close to the slider, a pressure strip is fixed at one end of the push rod, and the push rod drives the pressure strip to move linearly toward the slider;

[0037] See also Figure 6 In this embodiment, the fixing device 22 includes a fixing seat 221, a bracket structure 222 and a cylinder 223. The fixing seat 221 is fixedly connected to the slider 21. A protruding fixing block 224 is provided on the upper end surface of the fixing seat 221. The fixing block 224 is engaged with the fixing groove 54.

[0038] The support structure 222 is arranged on the slider 21, and the lower end surface of the crossbeam of the support structure 222 is fixedly connected to the cylinder 223. The cylinder 223 is provided with a push rod 2231 at one end close to the fixed seat 221, and a pressure strip 2232 is fixed at one end of the push rod 2231. The push rod 2231 drives the pressure strip 2232 to move linearly toward the fixed seat 221. When working, the pressure strip presses the wiring fixture to cooperate with the fixed block, which has good stability and simple structure. The tightness of the wire can be adjusted according to the actual production situation by controlling the cylinder.

[0039] See also Figure 2 In this embodiment, the work table 1 is provided with a guide rail 23, the slider 21 is slidably connected to the guide rail 23, the guide rail is arranged parallel to the screw rod 23, and the guide rail is arranged to carry the slider, guide the slider to move linearly and reduce its friction, so as to achieve high-precision linear motion under high load conditions.

[0040] The advantages of the utility model are:

[0041] 1) The first shaping device can complete the shaping of multiple wires at one time through the cooperation of the teeth of the strip plates, with high efficiency.

[0042] 2) The first and second shaping devices use parallel finger cylinders, which are simple in equipment and low in cost.

[0043] 3) The two wiring fixtures can be molded together to facilitate subsequent welding operations.

[0044] 4) Automated wire shaping is achieved through the cooperation of the electric cylinder slide module, the first shaping device and the second shaping device.

[0045] The above disclosures are only several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A wire shaping machine for producing NTC temperature sensors, characterized in that: The wire shaping machine comprises a work surface, on which an electric cylinder slide is arranged, and the wire shaping machine also comprises a wire arrangement fixture for carrying the wires, and a fixing device for fixing the wire arrangement fixture is arranged on a slider of the electric cylinder slide; The work surface is provided with a first shaping device and a second shaping device, and the slider passes through the first shaping device and the second shaping device in sequence.

2. The wire shaping machine for producing NTC temperature sensors according to claim 1, characterized in that: The first shaping device comprises a first parallel finger cylinder, and two parallel fingers of the first parallel finger cylinder are respectively provided with a first shaping part and a second shaping part.

3. The wire shaping machine for producing NTC temperature sensors according to claim 2, characterized in that: The first shaping part and the second shaping part are respectively provided with a plurality of convex teeth, the convex teeth of the first shaping part and the convex teeth of the second shaping part are staggered with each other, the wire is located between the two convex teeth, and the concentric movement of the two parallel fingers drives the concentric movement of the two convex teeth.

4. The wire shaping machine for producing NTC temperature sensors according to claim 2, characterized in that: A cylinder slider is provided on a side of the first parallel finger cylinder close to the work surface, a sliding seat is provided on the work surface, and the sliding seat is slidably connected to the cylinder slider.

5. The wire shaping machine for producing NTC temperature sensors according to claim 1, characterized in that: The second shaping device comprises a second parallel finger cylinder, the output end of which is respectively provided with a first forming block and a second forming block, the wire is placed between the first forming block and the second forming block, and the output end drives the two forming blocks to move toward the center.

6. The wire shaping machine for producing NTC temperature sensors according to claim 1, characterized in that: The wire shaping machine includes a wire carrier plate for carrying wires. A positioning groove is provided on one side of the wire arrangement fixture. The wire carrier plate is engaged with the wire arrangement fixture through the positioning groove. A plurality of wire carrier grooves are provided on the edge of the side with the positioning groove.

7. The wire shaping machine for producing NTC temperature sensors according to claim 1, characterized in that: The cable arrangement fixture is provided with at least one clamping hole.

8. The wire shaping machine for producing NTC temperature sensors according to claim 4, characterized in that: The fixing device includes a support structure and a cylinder arranged on the lower surface of the crossbeam of the support structure. The support structure is arranged on the slider. The cylinder is provided with a push rod near one end of the slider. A pressure strip is fixed at one end of the push rod. The push rod drives the pressure strip to move linearly toward the slider.

9. The wire shaping machine for producing NTC temperature sensors according to claim 1, characterized in that: The work surface is provided with a guide rail, and the sliding block is slidably connected to the guide rail.

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