High-precision temperature sensor manufacturing die

Abstract

The utility model belongs to the field of sensor production, particularly relates to a high-precision temperature sensor manufacturing mold, and aims to solve the problems that after a temperature sensing element with a wire harness is directly placed in a shell, the temperature sensing element is difficult to fix and then is filled with glue, and displacement or dislocation is easy to occur, the following scheme is provided: the high-precision temperature sensor manufacturing mold comprises a base, a plurality of symmetrical sliding grooves are formed in the inner walls of the two sides of the base. The mold plate is used for containing the shell, the mold plate is arranged in the base, and a plurality of containing grooves arranged in a matrix mode are formed in the top of the mold plate; according to the multiple clamps, the shell can be placed in the containing groove through the clamping assemblies and clamped, the shells of different sizes can be clamped, and the temperature sensing elements provided with the wire harnesses are clamped through the clamps; and finally, the mold plate and the clamp are placed in the base, glue filling is conducted through a glue gun, and the problem that the temperature sensing element deviates or is poor in positioning can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor production, in particular to a high-precision temperature sensor manufacturing mold. Background Art

[0002] Temperature sensor products generally use a housing to wrap the temperature sensing element, and the temperature sensing element is installed at one end of the wiring harness. After searching, the utility model with the announcement number CN205748676U discloses a high-reliability temperature sensor structure, including a sensor housing, a lead, and a temperature sensing element fixed in the inner cavity of the sensor housing, the lead connecting the temperature sensing element and leading out from the opening at the front end of the sensor housing, and also including a fixing glue filled between the temperature sensing element and the inner wall of the sensor housing, the inner wall of the sensor housing is provided with an anti-rotation portion for turning and positioning the fixing glue and an anti-detachment portion for axially positioning the fixing glue, and the anti-rotation portion and the anti-detachment portion are tightly connected to the fixing glue. The utility model uses the fixing glue to be filled in the sensor housing to fix the temperature sensing element. Since the inner wall of the sensor housing is provided with the anti-rotation portion and the anti-detachment portion tightly connected to the fixing glue, the fixing glue and the temperature sensing element can be prevented from rotating and translating back and forth in the sensor housing, thereby greatly improving the reliability of the sensor. The utility model can be applied to temperature sensors;

[0003] The temperature sensor is fixed by placing the temperature sensing element in the housing and injecting fixing glue. The existing temperature sensors are also mostly filled with glue by means of glue guns etc. into the inside of the housing during production to achieve the effect of sealing and protection.

[0004] The existing temperature sensors still have the following problems during production:

[0005] After the temperature sensing element equipped with the wiring harness is directly placed inside the housing, it is difficult to fix it before glue injection, and displacement or misalignment may occur, so that the temperature sensing element cannot be located in the middle or cannot be completely wrapped, affecting product quality. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings in the prior art that after the temperature sensing element equipped with the wiring harness is directly placed inside the shell, it is difficult to fix it before glue pouring, and it is easy to be displaced or misplaced, so that the temperature sensing element cannot be located in the middle or cannot be completely wrapped, which affects the product quality, and a high-precision temperature sensor manufacturing mold is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A high-precision temperature sensor manufacturing mold comprises a base, and the inner walls on both sides of the base are provided with a plurality of symmetrical sliding grooves;

[0009] A mold plate, used for placing the shell, the mold plate is arranged inside the base, and a plurality of placement grooves arranged in a matrix are opened on the top of the mold plate;

[0010] A plurality of fixtures, used for placing temperature sensing elements, wherein the plurality of fixtures are located above the mold plate, and the fixtures include two clamping plates;

[0011] A clamping assembly, used for clamping the housing, the clamping assembly is arranged inside the placement slot, the clamping assembly comprises a first arc plate and a second arc plate, the first arc plate and the second arc plate are respectively slidably arranged on both sides of the placement slot;

[0012] Two fixing plates are used to fix multiple clamps and mold plates. The two fixing plates are respectively arranged on both sides of the clamp, and the bottom of the fixing plates is provided with multiple clamping grooves that match the clamps.

[0013] In a possible design, the clamping assembly also includes two slots respectively opened on both sides of the inner wall of the placement groove and close to one end of the No. 2 arc plate. Both sides of the outer wall of the No. 2 arc plate are fixed with connecting plates extending to the inside of the two slots respectively. The same No. 1 compression spring is fixed between the inner wall of one side of the slot and the side close to the connecting plate.

[0014] In a possible design, a sliding cavity is provided below the placement grooves in the same row of the mold plate, a round rod is slidably arranged inside the sliding cavity, and the end of the round rod close to the No. 2 arc plate slides through to the outside of the mold plate, a connecting rod is fixedly arranged on the outer wall of the No. 1 arc plate, and the bottom of the connecting rod slides through the interior of the sliding cavity and is fixedly arranged on the surface of the round rod, and a No. 2 compression spring is fixedly arranged between the end of the round rod close to the No. 1 arc plate and the inner wall of one side close to the sliding cavity.

[0015] In a possible design, notches are provided at both ends of the second arc plate close to the first arc plate, and bumps are provided at both ends of the first arc plate close to the second arc plate.

[0016] In a possible design, a plurality of grooves are provided on the adjacent sides of the two clamping plates, and soft pads are fixedly provided inside the grooves.

[0017] In a possible design, limiting grooves are provided at four corners of one of the splints close to the cushion, and limiting rods are fixedly provided at four corners of the other splint close to the cushion.

[0018] In a possible design, buckles are fixedly provided on both sides of the bottom of the fixing plate, and snap holes are provided at both ends of both sides of the top of the mold plate.

[0019] In the present application, when it is used specifically, first press the round rod, and the round rod drives the No. 1 arc plate to move through the connecting rod. At this time, the outer shell is placed inside the row of placement grooves, and then the round rod is released, and the round rod is reset by the No. 2 compression spring, so that the No. 2 arc plate and the No. 1 arc plate clamp the outer shell. After all are placed, the mold plate is placed on the bottom inner wall of the base, and then one clamp of the clamp is laid flat, and multiple wiring harnesses are placed on multiple soft pads one by one and the temperature sensing element is leaked out. After placing, it is covered by another clamp, and then the two clamps are placed at the innermost part of the base through the two slide grooves, so that the leaked temperature sensing element is placed inside the outer shell, and then glue can be poured through a glue gun, and so on. When all are placed, the two fixing plates are plugged into the multiple clamps through the clamping grooves, and clamped through the bottom clamping hole and the clamping mouth on the top of the mold plate to fix the mold plate and multiple clamps, and finally they can be taken out and placed aside to wait for cooling.

[0020] In the utility model, the high-precision temperature sensor manufacturing mold can achieve the goal of moving the first arc plate of the row to the side by simply pressing the round rod through the clamping assembly, so that the shell can be placed, and it can be clamped and fixed after releasing the hand, and shells of different sizes can be clamped, thereby increasing practicality;

[0021] In the utility model, the high-precision temperature sensor manufacturing mold can clamp multiple temperature sensing elements equipped with wiring harnesses through a clamp, and the temperature sensing elements are leaked out. Then, the clamps equipped with temperature sensing elements are placed one by one on the mold plate, and the temperature sensing elements can be placed inside the shell to prevent displacement.

[0022] In the utility model, when in use, the housing can be placed in the placement groove and clamped by the clamping assembly, and housings of different sizes can be clamped, and the temperature sensing element equipped with the wiring harness can be clamped by the clamp;

[0023] Finally, place the mold plate and the fixture inside the base and use a glue gun to fill it with glue to avoid the problem of temperature sensing element offset or poor positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the exploded structure of a mold for making a high-precision temperature sensor proposed by the utility model;

[0025] Figure 2 A three-dimensional structural schematic diagram of a mold part for making a high-precision temperature sensor proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of a mold plate for manufacturing a high-precision temperature sensor proposed in the utility model;

[0027] Figure 4 The utility model discloses an exploded structural diagram of a mold fixture for manufacturing a high-precision temperature sensor.

[0028] In the figure: 1. base; 2. slide groove; 3. fixing plate; 4. clamping plate; 5. mold plate; 6. clamping groove; 7. placement groove; 8. round rod; 9. bayonet; 10. slot; 11. connecting plate; 12. protrusion; 13. No. 1 arc plate; 14. recess; 15. No. 2 arc plate; 16. No. 2 compression spring; 17. slide cavity; 18. cushion; 19. limit groove; 20. limit rod; 21. connecting rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Example 1

[0031] Reference Figure 2-3 A high-precision temperature sensor manufacturing mold, which is used in the field of sensor production, comprises: a mold plate 5, a top of the mold plate 5 is provided with a plurality of placement grooves 7 arranged in a matrix;

[0032] The clamping assembly includes a first arc plate 13 and a second arc plate 15, and the first arc plate 13 and the second arc plate 15 are slidably disposed on both sides of the placement groove 7;

[0033] In the above technical solution, the shells are placed one by one inside the placement groove 7 and clamped by two arc plates of the clamping assembly.

[0034] Reference Figure 3 The clamping assembly also includes two slots 10 respectively provided on both sides of the inner wall of the placement slot 7 and close to one end of the second arc plate 15. Both sides of the outer wall of the second arc plate 15 are fixedly provided with connecting plates 11 respectively extending to the inside of the two slots 10. The same first compression spring is fixedly provided between the inner wall of one side of the slot 10 and the side close to the connecting plate 11;

[0035] A sliding cavity 17 is provided below the placement grooves 7 in the same row of the mold plate 5, a round rod 8 is slidably provided inside the sliding cavity 17, and one end of the round rod 8 close to the second arc plate 15 slides through the outside of the mold plate 5, a connecting rod 21 is fixedly provided on the outer wall of the first arc plate 13, and the bottom of the connecting rod 21 slides through the inside of the sliding cavity 17 and is fixedly provided on the surface of the round rod 8, and a second compression spring 16 is fixedly provided between one end of the round rod 8 close to the first arc plate 13 and the inner wall of the sliding cavity 17;

[0036] In the above technical solution, when it is used specifically, first press the round rod 8, and the round rod 8 drives the No. 1 arc plate 13 to move through the connecting rod 21. At this time, the outer shell is placed inside the row of placement grooves 7, and then the round rod 8 is released. The round rod 8 is reset by the No. 2 compression spring 16, so that the No. 2 arc plate 15 and the No. 1 arc plate 13 clamp the outer shell.

[0037] refer to Figure 4 , a plurality of clamps, the clamps comprising two clamping plates 4;

[0038] A plurality of grooves are provided on the adjacent sides of the two clamping plates 4, and a soft pad 18 is fixedly provided inside the groove, and the soft pad 18 is a sponge pad;

[0039] In the above technical solution, one clamp 4 of the clamp is laid flat, and multiple wiring harnesses are placed one by one on multiple cushions 18 with the temperature sensing element exposed. After placement, another clamp 4 is used to cover it, so that the two clamps 4 clamp multiple wiring harnesses and the temperature sensing element at the end of the wiring harness is exposed.

[0040] refer to Figure 1-2 , a base 1, the inner walls on both sides of the base 1 are provided with a plurality of symmetrical slide grooves 2;

[0041] Two fixing plates 3, the bottom of the fixing plates 3 is provided with a plurality of clamping grooves 6 which are matched with the clamps;

[0042] Buckles are fixedly provided on both sides of the bottom of the fixing plate 3, and bayonet holes 9 are provided on both ends of both sides of the top of the mold plate 5;

[0043] In the above technical scheme, the mold plate 5 with the shell is placed at the bottom of the base 1, and then the clamp holding the temperature sensing element is inserted into the innermost slide groove inside the base 1, and the leaked temperature sensing element is inserted into the inside of the shell, and then glue can be poured through a glue gun, and so on. When all are placed, the two fixing plates 3 are plugged into the multiple clamping plates 4 through the clamping grooves 6, and clamped through the clamping holes at the bottom and the clamping ports 9 at the top of the mold plate 5, so as to fix the mold plate 5 and the multiple clamps, and finally they can be taken out and placed aside to wait for cooling;

[0044] By performing glue filling and cooling in a manner in which both the housing and the temperature sensing element are fixed, the problem of the temperature sensing element being offset or poorly positioned can be avoided.

[0045] Example 2

[0046] refer to Figure 3 , based on the improvement of Example 1: both ends of the second arc plate 15 close to the first arc plate 13 are provided with notches 14, and both ends of the first arc plate 13 close to the second arc plate 15 are provided with protrusions 12;

[0047] refer to Figure 4 The four corners of one of the splints 4 close to the cushion 18 are provided with limiting grooves 19, and the four corners of the other splint 4 close to the cushion 18 are fixedly provided with limiting rods 20.

[0048] In the above technical solution, the limiting groove 19 and the limiting rod 20 are provided to facilitate positioning during clamping.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision temperature sensor manufacturing mold, characterized in that: include: A base (1), wherein the inner walls on both sides of the base (1) are provided with a plurality of symmetrical sliding grooves (2); A mold plate (5) for placing the shell, the mold plate (5) being arranged inside the base (1), and a plurality of placement grooves (7) arranged in a matrix are provided on the top of the mold plate (5); A plurality of clamps for placing temperature sensing elements, wherein the plurality of clamps are located above the mold plate (5), and the clamps include two clamping plates (4); A clamping assembly, used for clamping the housing, the clamping assembly being arranged inside the placement groove (7), the clamping assembly comprising a first arc-shaped plate (13) and a second arc-shaped plate (15), the first arc-shaped plate (13) and the second arc-shaped plate (15) being slidably arranged on both sides of the placement groove (7) respectively; Two fixing plates (3) are used to fix a plurality of clamps and a mold plate (5); the two fixing plates (3) are respectively arranged on both sides of the clamp, and a plurality of clamping grooves (6) that are matched with the clamp are formed at the bottom of the fixing plates (3).

2. A high-precision temperature sensor manufacturing mold according to claim 1, characterized in that: The clamping assembly further comprises two slots (10) respectively arranged on both sides of the inner wall of the placement slot (7) and close to one end of the second arc plate (15); connecting plates (11) respectively extending into the interior of the two slots (10) are fixedly arranged on both sides of the outer wall of the second arc plate (15); and a same first compression spring is fixedly arranged between the inner wall of one side of the slot (10) and the side close to the connecting plate (11).

3. A high-precision temperature sensor manufacturing mold according to claim 2, characterized in that: The mold plate (5) is provided with a sliding cavity (17) below the placement grooves (7) in the same row, and a round rod (8) is slidably arranged inside the sliding cavity (17), and the end of the round rod (8) close to the second arc plate (15) slides through to the outside of the mold plate (5), and a connecting rod (21) is fixedly arranged on the outer wall of the first arc plate (13), and the bottom of the connecting rod (21) slides through to the inside of the sliding cavity (17) and is fixedly arranged on the surface of the round rod (8), and the same No. 2 compression spring (16) is fixedly arranged between the end of the round rod (8) close to the first arc plate (13) and the inner wall of the sliding cavity (17) on one side.

4. A high-precision temperature sensor manufacturing mold according to claim 3, characterized in that: Both ends of the second arc plate (15) close to the first arc plate (13) are provided with notches (14), and both ends of the first arc plate (13) close to the second arc plate (15) are provided with protrusions (12).

5. The high-precision temperature sensor manufacturing mold according to claim 1, characterized in that: A plurality of grooves are provided on the adjacent sides of the two clamping plates (4), and soft pads (18) are fixedly arranged inside the grooves.

6. A high-precision temperature sensor manufacturing mold according to claim 5, characterized in that: Limiting grooves (19) are provided at four corners of one of the clamping plates (4) close to the soft pad (18), and limiting rods (20) are fixedly provided at four corners of the other clamping plate (4) close to the soft pad (18).

7. A high-precision temperature sensor manufacturing mold according to claim 1, characterized in that: Buckles are fixedly provided on both sides of the bottom of the fixing plate (3), and snap holes (9) are provided on both ends of both sides of the top of the mold plate (5).

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