CN211414017U - Centering device for thermal simulation sample points - Google Patents
Centering device for thermal simulation sample points Download PDFInfo
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- CN211414017U CN211414017U CN201922111503.7U CN201922111503U CN211414017U CN 211414017 U CN211414017 U CN 211414017U CN 201922111503 U CN201922111503 U CN 201922111503U CN 211414017 U CN211414017 U CN 211414017U
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- driving lever
- screw rod
- thread section
- centering device
- supporting vertical
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Abstract
The utility model relates to a workpiece positioning equipment technical field, more specifically say, relate to a centering device of thermal simulation sample point, and its technical scheme main points are: the automatic centering device comprises a base, the base is provided with supporting vertical plates on the two sides of the length direction, a screw rod is vertically arranged between the supporting vertical plates, a left-handed thread section and a right-handed thread section which are opposite in turning direction are arranged on the screw rod in the length direction, the left-handed thread section on the screw rod is connected with a right driving lever through threads, the right-handed thread section on the screw rod is connected with a left driving lever through threads, a limiting component used for limiting the left driving lever and the right driving lever in the circumferential direction is arranged between the supporting vertical plates on the two sides, and the screw rod is rotated to enable the left driving lever and the right driving lever to move in opposite directions or in the opposite. The utility model has the advantages of eliminate visual error, centering are efficient.
Description
Technical Field
The utility model relates to a work piece location equips technical field, and more specifically says that it relates to a centering device of thermal simulation sample point.
Background
The thermal simulation test is to simulate the metal heating and deformation process and research the structure change or the performance change of the metal in the heating and deformation process. Heating is carried out in a resistance heating mode, resistance heat is concentrated in the middle of the sample, and a test needs to weld a thermocouple wire in the middle of the sample in a spot welding mode so as to accurately measure temperature change at the heating position.
The length of the sample is measured by a vernier caliper, the length of the midpoint is calculated, the vernier caliper is adjusted to the midpoint value, and the midpoint is marked by comparison with the sample. And placing the sample with the marked midpoint on a welding table, and visually observing and moving the midpoint of the sample to be right below the middle groove of the welding head. The process contains human visual error, and the work efficiency is low.
The problems existing in the prior art are as follows: the centering efficiency is low, and the centering precision is low due to the fact that visual errors easily occur in the centering process.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a centering device of thermal simulation sample point has the advantage of eliminating visual error, centering are efficient.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a centering device of thermal simulation sample point, includes the base, the base is provided with the support riser in length direction's both sides, is provided with the screw rod perpendicularly between the support riser in both sides, the screw rod has seted up the opposite left-handed thread section of direction of rotation and dextrorotation screw thread section in length direction, the left-handed thread section on the screw rod has right driving lever through threaded connection, the right-handed thread section on the screw rod has left driving lever through threaded connection, be provided with between the support riser in both sides and be used for carrying out the spacing part of circumference to left driving lever and right driving lever, based on the left-handed thread section and the right-handed thread section of screw rod, rotate the screw rod and make left driving lever and right driving lever do.
In one embodiment: one end of the screw penetrates through the supporting vertical plate to be provided with an extension section, and a knob used for conveniently rotating the screw is arranged on the extension section.
In one embodiment: and the supporting vertical plates corresponding to the two ends of the screw rod are provided with stop pins for radially limiting the screw rod.
In one embodiment: the left thread section and the right thread section on the screw are arranged towards two sides by taking the middle point of the screw in the length direction as a boundary, and the lengths of the left thread section and the right thread section are equal.
In one embodiment: the left shifting lever and the right shifting lever are symmetrically arranged about the middle point of the screw in the length direction.
In one embodiment: the limiting part is a sliding rod, two ends of the sliding rod are respectively fixedly arranged on the supporting vertical plates on two sides, and the sliding rod penetrates through the left driving lever and the right driving lever to circumferentially limit the left driving lever and the right driving lever.
In one embodiment: the limiting part is two sliding rods, two ends of the two sliding rods are respectively fixedly arranged on the supporting vertical plates on two sides, and the two sliding rods are clamped and used for clamping the left driving lever and the right driving lever to circumferentially limit the left driving lever and the right driving lever.
In one embodiment: the base is provided with a fixing groove, and the base is fixed by penetrating through the fixing groove through a bolt.
By adopting the technical scheme, the method has the advantages that,
to sum up, the utility model discloses following beneficial effect has:
through set up on the screw rod and revolve to opposite left screw thread and right screw thread, turn into the rectilinear motion of left driving lever and right driving lever with the rotary motion of screw rod again, set up on right screw thread section and left screw thread section based on left driving lever and right driving lever, the rotation of screw rod will be changed into the opposite or opposite equidistance motion of two dead levers, the intermediate point of two dead levers remains throughout on a position to reach the purpose of centering, easy operation is high-efficient, and the visual error of traditional artifical centering has been eliminated.
Drawings
FIG. 1 is a schematic structural diagram of a centering device for thermal simulation of sample points according to the present embodiment;
fig. 2 is a schematic structural diagram of a centering device for thermal simulation sample points according to the embodiment.
In the figure: 1. a base; 2. supporting a vertical plate; 3. a screw; 4. a right thread segment; 5. a left deflector rod; 6. a right deflector rod; 7. a limiting component; 8. a left threaded section; 9. fixing grooves; 10. a slide bar; 11. a knob; 12. a retaining pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a centering device of thermal simulation sample point, as shown in figure 1, including base 1, base 1 is provided with in length direction's both sides and supports riser 2, be provided with screw rod 3 between the riser 2 is supported to both sides perpendicularly, screw rod 3 has seted up two sections opposite screw threads of direction of rotation at length direction, be left-handed thread and right-handed thread respectively, screw rod 3's left thread section 8 has right driving lever 6 through threaded connection, screw rod 3's right thread section 4 has left driving lever 5 through threaded connection, be provided with between the riser 2 is supported to both sides and be used for carrying out the spacing stop part 7 of circumference to left driving lever 5 and right driving lever 6, based on screw rod 3's left thread section 8 and right thread section 4, rotatory screw rod 3 makes left driving lever 5 and right driving lever 6 do in opposite directions or.
By adopting the technical scheme, when in use, the centering device is positioned and fixed by taking the welding point as a reference point, the welding head is pressed down, the base is adjusted to be positioned between the left driving lever 5 and the right driving lever 6, the screw rod 3 is rotated to ensure that the pulling rod is tightly attached to the side surface of the welding head, the bolt on the fixing groove 9 of the base is screwed, thus, the middle points of the two shift levers coincide with the welding point, a sample is placed between the left shift lever and the right shift lever 6, the screw rod 3 is rotated, when the two pulling rods are respectively in close contact with the two ends of the sample, the middle point of the length of the sample coincides with the welding point, the welding point is positioned on the middle point of the sample during welding the wire, thereby achieving the aim of centering, in batch welding, the base 1 only needs to be corrected and aligned at the beginning, the centering effect can be realized only by rotating the screw rod 3 subsequently, the operation is simple and convenient, and the visual error in the traditional manual centering is eliminated.
As shown in fig. 2, one end of the screw rod 3 penetrates through the supporting vertical plate 2 to form an extension section, and a knob 11 for conveniently rotating the screw rod 3 is arranged on the extension section.
Through adopting above-mentioned technical scheme, set up knob 11 and be convenient for rotatory screw rod 3, reduce operating personnel's working strength.
And the supporting vertical plates 2 corresponding to the two ends of the screw rod 3 are provided with stop pins 12 for radially limiting the screw rod 3.
Through adopting above-mentioned technical scheme, utilize stop pin 12 to prevent that screw rod 3 from radially drunkenness, influence centering effect, guarantee the job stabilization nature of device.
The left thread section 8 and the right thread section 4 on the screw rod 3 are arranged towards two sides by taking the middle point of the screw rod 3 in the length direction as a boundary, and the lengths of the left thread section 8 and the right thread section 4 are equal.
By adopting the technical scheme, the moving strokes of the left deflector rod 5 and the right deflector rod 6 are ensured to be the same, and a sample with a large size is accommodated as much as possible.
The left shift lever 5 and the right shift lever 6 are symmetrically disposed about a midpoint in the length direction of the screw 3.
Through adopting above-mentioned technical scheme, can the atress of 3 both sides of screw rod stable, improve life, also ensure simultaneously that the motion stroke of left driving lever 5 and right driving lever 6 is the same, hold the big sample of size as far as.
The limiting part 7 is a sliding rod 10, two ends of the sliding rod 10 are respectively and fixedly arranged on the supporting vertical plates 2 on two sides, and the sliding rod 10 penetrates through the left driving lever 5 and the right driving lever 6 to circumferentially limit the left driving lever 5 and the right driving lever 6.
Through adopting above-mentioned technical scheme, utilize slide bar 10 to run through left driving lever 5 and right driving lever 6 and be used for carrying out circumference spacing to left driving lever 5 and right driving lever 6, should be clearance fit between slide bar 10 and two driving levers simultaneously, ensure that two driving levers can be smooth and easy do linear motion.
The limiting part 7 is composed of two slide bars 10, two ends of each slide bar 10 are respectively and fixedly arranged on the supporting vertical plates 2 on two sides, and the two slide bars 10 are clamped to clamp the left driving lever 5 and the right driving lever 6 and are used for circumferentially limiting the left driving lever 5 and the right driving lever 6.
By adopting the technical scheme, the two sliding rods 10 are utilized to limit the circumferential rotation of the left driving lever 5 and the right driving lever 6 by taking the screw rod 3 as the center, so that the left driving lever 5 and the right driving lever 6 can make linear motion when the screw rod 3 rotates.
The base 1 is provided with a fixing groove 9, and the base 1 is fixed by passing through the fixing groove 9 through a bolt.
Through adopting above-mentioned technical scheme, utilize the bolt to fix the device, easy operation, the adjustment of being convenient for, and convenient dismantlement and maintenance.
The implementation principle of the embodiment is as follows: by using the principle of screw transmission, when the screw rod 3 is rotated leftwards or rightwards, the rotation of the screw rod 3 is converted into opposite or opposite equidistant movement of the left driving lever 5 and the right driving lever 6, and the middle point of the left driving lever 5 and the right driving lever 6 is always kept at one position. And (3) positioning and fixing the centering device by taking the welding head as a reference, pressing down the welding head, adjusting the base to enable the welding head to be positioned between the left driving lever 5 and the right driving lever 6, rotating the screw rod 3 to enable the two driving levers to be tightly attached to the side surfaces of the welding head, and screwing down the bolt on the base fixing groove 9, so that the middle point of the left driving lever 5 and the right driving lever 6 is coincided with the welding point. The sample is placed between the left driving lever 5 and the right driving lever 6, the screw rod 3 is rotated, and when the left driving lever 5 and the right driving lever 6 are respectively in close contact with the two ends of the sample, the middle point of the length of the sample coincides with the welding point, so that the welding point is positioned at the middle point of the sample during welding.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A thermal analog sample point centering device, characterized by: the automatic centering device comprises a base, the base is provided with supporting vertical plates on the two sides of the length direction, a screw rod is vertically arranged between the supporting vertical plates, a left-handed thread section and a right-handed thread section which are opposite in turning direction are arranged on the screw rod in the length direction, the left-handed thread section on the screw rod is connected with a right driving lever through threads, the right-handed thread section on the screw rod is connected with a left driving lever through threads, a limiting component used for limiting the left driving lever and the right driving lever in the circumferential direction is arranged between the supporting vertical plates on the two sides, and the screw rod is rotated to enable the left driving lever and the right driving lever to move in opposite directions or in the opposite.
2. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: one end of the screw penetrates through the supporting vertical plate to be provided with an extension section, and a knob is arranged on the extension section.
3. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: and the supporting vertical plates corresponding to the two ends of the screw rod are provided with stop pins for radially limiting the screw rod.
4. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: the left thread section and the right thread section on the screw are arranged towards two sides by taking the middle point of the screw in the length direction as a boundary, and the lengths of the left thread section and the right thread section are equal.
5. The apparatus of claim 4, wherein the thermal analog sample spot centering device comprises: the left shifting lever and the right shifting lever are symmetrically arranged about the middle point of the screw in the length direction.
6. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: the limiting part is a sliding rod, two ends of the sliding rod are respectively fixedly arranged on the supporting vertical plates on two sides, and the sliding rod penetrates through the left driving lever and the right driving lever to circumferentially limit the left driving lever and the right driving lever.
7. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: the limiting part is two sliding rods, two ends of the two sliding rods are respectively fixedly arranged on the supporting vertical plates on two sides, and the two sliding rods are clamped and used for clamping the left driving lever and the right driving lever to circumferentially limit the left driving lever and the right driving lever.
8. The apparatus of claim 1, wherein the thermal analog sample spot centering device comprises: the base is provided with a fixing groove, and the base is fixed by penetrating through the fixing groove through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111503.7U CN211414017U (en) | 2019-11-30 | 2019-11-30 | Centering device for thermal simulation sample points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111503.7U CN211414017U (en) | 2019-11-30 | 2019-11-30 | Centering device for thermal simulation sample points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211414017U true CN211414017U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922111503.7U Active CN211414017U (en) | 2019-11-30 | 2019-11-30 | Centering device for thermal simulation sample points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211414017U (en) |
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2019
- 2019-11-30 CN CN201922111503.7U patent/CN211414017U/en active Active
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