阅读说明：本技术 耳板定位工装及定位方法 (Ear plate positioning tool and positioning method ) 是由 方松 赵金明 杨新明 于 2019-07-29 设计创作，主要内容包括：本发明公开了一种耳板定位工装及定位方法,属于机械加工技术领域。所述耳板定位工装包括伸缩组件、两个法兰板和定位组件,伸缩组件包括主轴和轴管,主轴插装在轴管内,定位组件包括两个定位环和多个支撑杆。通过该耳板定位工装可以在耳板焊接时对耳板进行支撑固定,防止耳板的焊接变形,从而保证两个耳板之间的开档距离。(The invention discloses an ear plate positioning tool and a positioning method, and belongs to the technical field of machining. The otic placode location frock includes flexible subassembly, two flange boards and locating component, and flexible subassembly includes main shaft and central siphon, and the main shaft cartridge is in the central siphon, and locating component includes two holding rings and a plurality of bracing piece. Can support fixedly the otic placode when the otic placode welding through this otic placode location frock, prevent the welding deformation of otic placode to guarantee the distance of opening a grade between two otic placodes.)

1. The lug plate positioning tool is characterized by comprising a telescopic assembly (1), two flange plates (2) and a positioning assembly (3);

the telescopic assembly (1) comprises a main shaft (11) and a shaft tube (12), one end of the main shaft (11) is coaxially connected to one flange plate (2), one end of the shaft tube (12) is coaxially connected to the other flange plate (2), and the other end of the main shaft (11) is movably inserted into the other end of the shaft tube (12);

locating component (3) include two holding rings (31) and install every a plurality of bracing pieces (32) on holding ring (31), holding ring (31) with flange board (2) one-to-one sets up, holding ring (31) coaxial coupling is corresponding one side of flange board (2), two flange boards (2) are located two between holding ring (31), a plurality of bracing pieces (32) are followed the circumference interval distribution of holding ring (31), every bracing piece (32) are followed the radial activity cartridge of holding ring (31) is in on holding ring (31), the one end of bracing piece (32) is located outside holding ring (31).

2. The otic placode location frock of claim 1 characterized in that, the bracing piece (32) with the holding ring (31) threaded connection.

3. The otic placode positioning tooling of claim 2 wherein a stop ring (33) is sleeved on the support bar (32).

4. The otic placode positioning tool according to claim 1, characterized in that the main shaft (11) is in threaded connection with the shaft tube (12).

5. The otic placode positioning tool according to claim 1, characterized in that a plurality of rocking levers (21) extend oppositely on opposite sides of the two flange plates (2), and the rocking levers (21) are arranged along the circumference of the flange plates (2).

6. The otic placode location frock of claim 1 characterized in that, the terminal surface of the one end of the bracing piece (32) that is located outside the holding ring (31) is the circular arc convex surface.

7. The otic placode positioning tool according to claim 1, characterized in that the otic placode positioning tool further comprises a supporting component (4), the supporting component (4) comprises a telescopic rod (41) and a supporting seat (42), one end of the telescopic rod (41) is vertically connected to the outer wall of the shaft tube (12), and the other end of the telescopic rod (41) is vertically connected to the supporting seat (42).

8. The otic placode location frock of claim 7 characterized in that, telescopic link (41) includes first dwang (411) and second dwang (412), the one end of first dwang (411) with central siphon (12) are connected, the other end of first dwang (411) with the one end threaded connection of second dwang (412), the other end of second dwang (412) with supporting seat (42) are connected.

9. A positioning method of an ear plate positioning tool is characterized in that the ear plate positioning tool according to any one of claims 1-8 is adopted, and the positioning method comprises the following steps:

extending the positioning ring (31) on the flange plate (2) into a through hole (110) of an ear plate (100) to enable the flange plate (2) to be attached to the ear plate (100);

adjusting the insertion depth between the main shaft (11) and the shaft tube (12) to enable the positioning ring (31) on the other flange plate (2) to extend into the through hole (110) of the other ear plate (100), and enable the other flange plate (2) to be attached to the other ear plate (100);

adjusting the plurality of support rods (32) on each positioning ring (31) respectively so that each support rod (32) is abutted against the through hole (110) of the ear plate (100) corresponding to each support rod;

welding the two ear plates (100).

10. The method of claim 9, further comprising:

when the plurality of supporting rods (32) on each positioning ring (31) are respectively adjusted, the length of each supporting rod (32) extending out of the positioning ring (31) is consistent.

Technical Field

The invention belongs to the technical field of machining, and particularly relates to an ear plate positioning tool and a positioning method.

Background

The ear plates are common hinge parts in mechanical equipment, and the target part can be hinged by fixing the target part on the pin shafts in the two ear plates.

The lug plates are welded to a workpiece in a welding mode, when the lug plates are welded, the opening distance between the two lug plates needs to be ensured to meet the design requirement, otherwise, the target part can not be hinged normally.

In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:

because the lug plates are easy to generate welding deformation in the welding process, the opening distance between the two welded lug plates can not meet the design requirement.

Disclosure of Invention

The embodiment of the invention provides an ear plate positioning tool and a positioning method, which can effectively ensure the opening distance between ear plates during welding, thereby ensuring the assembly precision of the ear plates. The technical scheme is as follows:

on one hand, the embodiment of the invention provides an ear plate positioning tool, which comprises a telescopic component, two flange plates and a positioning component;

the telescopic assembly comprises a main shaft and a shaft tube, one end of the main shaft is coaxially connected to one flange plate, one end of the shaft tube is coaxially connected to the other flange plate, and the other end of the main shaft is movably inserted into the other end of the shaft tube;

locating component includes two holding rings and installs every a plurality of bracing pieces on the holding ring, the holding ring with the flange board one-to-one sets up, holding ring coaxial coupling is corresponding one side of flange board, two flange boards are located two between the holding ring, a plurality of bracing pieces are followed the circumference interval distribution of holding ring, every the bracing piece is followed the radial activity cartridge of holding ring is in on the holding ring, the one end of bracing piece is located outside the holding ring.

Further, the supporting rod is in threaded connection with the positioning ring.

Furthermore, a stop ring is sleeved on the support rod.

Further, the main shaft is in threaded connection with the shaft tube.

Further, a plurality of rocking rods extend oppositely on the opposite side surfaces of the two flange plates, and the rocking rods are arranged along the circumferential direction of the flange plates.

Furthermore, the end face of one end of the supporting rod, which is positioned outside the positioning ring, is an arc convex surface.

Further, otic placode location frock still includes supporting component, supporting component includes telescopic link and supporting seat, the perpendicular connection of the one end of telescopic link is in on the outer wall of central siphon, the other end of telescopic link is connected perpendicularly on the supporting seat.

Further, the telescopic link includes first dwang and second dwang, the one end of first dwang with the central siphon is connected, the other end of first dwang with the one end threaded connection of second dwang, the other end of second dwang with supporting seat connection.

In a second aspect, the present invention provides a method for positioning an ear plate positioning tool, where the ear plate positioning tool according to the first aspect is adopted, and the positioning method includes:

extending the positioning ring on the flange plate into a through hole of an ear plate to enable the flange plate to be attached to the ear plate;

adjusting the insertion depth between the main shaft and the shaft tube to enable the positioning ring on the other flange plate to extend into the through hole of the other lug plate and enable the other flange plate to be attached to the other lug plate;

adjusting the plurality of support rods on each positioning ring respectively to enable each support rod to be abutted against the through hole of the corresponding ear plate respectively;

and welding the two ear plates.

Further, the method further comprises:

when the plurality of support rods on each positioning ring are respectively adjusted, the length of each support rod extending out of the positioning ring is consistent.

The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:

when the lug plate positioning tool provided by the embodiment of the invention is used for positioning the lug plate, firstly, the positioning ring on one flange plate extends into the through hole of one lug plate, so that one flange plate is attached to one lug plate; then, adjusting the insertion depth between the main shaft and the shaft tube to ensure that the positioning ring on the other flange plate extends into the through hole of the other lug plate and the other flange plate is attached to the other lug plate; then, respectively adjusting a plurality of support rods on each positioning ring, so that each support rod is respectively abutted against the through hole of the corresponding ear plate; finally, the two ear plates are welded. Can support fixedly the otic placode when the otic placode welding through this otic placode location frock, prevent the welding deformation of otic placode to guarantee the distance of opening a grade between two otic placodes.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a side view of an ear plate provided by an embodiment of the present invention;

FIG. 2 is a front view of an ear plate provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an ear plate positioning tool provided in an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly of a support pole provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a support rod according to an embodiment of the present invention;

FIG. 6 is an assembled view of another support pole provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a spindle provided in an embodiment of the present invention;

FIG. 8 is a schematic view of the construction of the axle tube provided by the embodiment of the present invention;

FIG. 9 is a schematic structural view of a telescopic rod provided in an embodiment of the present invention;

fig. 10 is a flowchart illustrating a method of positioning an ear plate positioning fixture according to an embodiment of the present invention;

fig. 11 is a schematic view of an assembly structure of an ear plate positioning tool and an ear plate according to an embodiment of the present invention;

fig. 12 is a side view of fig. 11.

The symbols in the drawings represent the following meanings:

1. a telescoping assembly; 11. a main shaft; 111. a first thread; 12. an axle tube; 121. a second thread; 2. a flange plate; 21. a rocker; 3. a positioning assembly; 31. a positioning ring; 32. a support bar; 321. a third thread; 33. a stop ring; 4. a support assembly; 41. a telescopic rod; 411. a first rotating lever; 4111. adjusting the stud; 412. a second rotating lever; 4121. adjusting the screw hole; 42. a supporting seat; 100. an ear plate; 110. a through hole; 200. and (5) a workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

For a better understanding of the present invention, the following is a simple ear plate 100 configuration:

fig. 1 is a side view of an ear plate, and as shown in fig. 1, a through hole 110 is formed at the center of each ear plate 100. Fig. 2 is a front view of an ear plate, and as shown in fig. 2, the ear plates 100 are generally arranged in pairs, the two ear plates 100 are spaced in parallel, and the distance D between the two ear plates 100 is the opening distance of the ear plates 100.

Fig. 3 is a schematic structural diagram of an ear plate positioning tool provided in an embodiment of the present invention, and as shown in fig. 3, the ear plate positioning tool includes a telescopic assembly 1, two flange plates 2, and a positioning assembly 3. The telescopic assembly 1 comprises a main shaft 11 and an axle tube 12, one end of the main shaft 11 is coaxially connected to one flange plate 2, one end of the axle tube 12 is coaxially connected to the other flange plate 2, and the other end of the main shaft 11 is movably inserted into the other end of the axle tube 12.

Fig. 4 is an assembly diagram of a support rod according to an embodiment of the present invention, and as shown in fig. 4, the positioning assembly 3 includes two positioning rings 31 and a plurality of support rods 32 mounted on each positioning ring 31, the positioning rings 31 are disposed in one-to-one correspondence with the flange plates 2, the positioning rings 31 are coaxially connected to one side of the corresponding flange plates 2, the two flange plates 2 are located between the two positioning rings 31, the plurality of support rods 32 are spaced apart from each other along a circumferential direction of the positioning rings 31, each support rod 32 is movably inserted into the positioning ring 31 along a radial direction of the positioning ring 31, and one end of the support rod 32 is located outside the positioning ring 31.

When the lug plate positioning tool provided by the embodiment of the invention is used for positioning the lug plate, firstly, the positioning ring on one flange plate extends into the through hole of one lug plate, so that one flange plate is attached to one lug plate; then, adjusting the insertion depth between the main shaft and the shaft tube to ensure that the positioning ring on the other flange plate extends into the through hole of the other lug plate and the other flange plate is attached to the other lug plate; then, respectively adjusting a plurality of support rods on each positioning ring, so that each support rod is respectively abutted against the through hole of the corresponding ear plate; finally, the two ear plates are welded. Can support fixedly the otic placode when the otic placode welding through this otic placode location frock, prevent the welding deformation of otic placode to guarantee the distance of opening a grade between two otic placodes.

Further, the support rod 32 is screwed to the positioning ring 31.

In the above embodiment, the threaded connection of the support rod 32 to the positioning ring 31 facilitates the radial movement of the support rod 32 along the positioning ring 31.

Fig. 5 is a schematic structural diagram of the support rod according to the embodiment of the present invention, as shown in fig. 5, a third thread 321 is provided on an outer wall of one end of the support rod 32, and the support rod 32 is in threaded fit with a threaded hole on the positioning ring 31 through the third thread 321.

Optionally, a stop ring 33 is sleeved on the support rod 32.

In the above embodiment, the stop ring 33 may be a polygonal structural member such that the stop ring 33 facilitates the rotation of the support bar 32.

Illustratively, the stop ring 33 is welded and fixed on the support rod 32, and when the support rod 32 needs to move radially along the positioning ring 31, the stop ring 33 is screwed by a wrench, so as to drive the support rod 32 to rotate.

The maximum distance S from the end surface of the end of each support rod 32 located outside the positioning ring 31 to the stop ring 33 on the support rod 32 is equal (see fig. 4), so that when the stop ring 33 of each support rod 32 is attached to the positioning ring 31, the length of the end of the support rod 32 located outside the positioning ring 31 is equal.

Illustratively, fig. 6 is an assembly view of another support pole provided by an embodiment of the present invention, and the range of the support pole 32 that can be positioned in the through hole 110 of the ear plate 100, shown in fig. 4 and 6, varies from fig. 4 to 6.

Further, the main shaft 11 is screw-coupled with the shaft tube 12.

In the above embodiment, the spindle 11 is threadedly coupled to the shaft tube 12 to facilitate adjusting the insertion depth of the spindle 11 in the shaft tube 12.

Fig. 7 is a schematic structural diagram of a spindle according to an embodiment of the present invention, and as shown in fig. 7, an outer wall of one end of the spindle 11 is provided with a first thread 111. Fig. 8 is a schematic structural view of the shaft tube according to the embodiment of the present invention, and as shown in fig. 8, the inner wall of the shaft tube 12 is provided with a second thread 121, and the first thread 111 is in threaded engagement with the second thread 121, so that the main shaft 11 is telescopically inserted into the shaft tube 12.

Alternatively, a plurality of rockers 21 extend oppositely on opposite sides of the two flange plates 2, the plurality of rockers 21 being arranged along the circumferential direction of the flange plates 2.

In the above embodiment, the rocking lever 21 facilitates adjustment of the insertion depth between the main shaft 11 and the shaft tube 12.

Illustratively, the rocker 21 on one flange plate 2 is fixed and the rocker 21 on the other flange plate 2 is rotated, thereby changing the depth of insertion of the main shaft 11 into the axle tube 12.

Further, the end surface of the end of the support rod 32 located outside the positioning ring 31 is a circular arc convex surface.

In the above embodiment, the end surface of the supporting rod 32 located at the outer end of the positioning ring 31 is a circular arc convex surface, so that the through hole 110 in the ear plate 100 can be prevented from being damaged by the pressing of the supporting rod 32.

Referring to fig. 3 again, the ear plate positioning tool further includes a supporting assembly 4, the supporting assembly 4 includes a telescopic rod 41 and a supporting seat 42, one end of the telescopic rod 41 is vertically connected to the outer wall of the axle tube 12, and the other end of the telescopic rod 41 is vertically connected to the supporting seat 42.

In the above embodiment, the supporting component 4 can function as a supporting ear plate positioning tool, thereby facilitating the adjustment of the supporting rod 32.

Fig. 9 is a schematic structural view of the telescopic rod according to the embodiment of the present invention, and as shown in fig. 9, the telescopic rod 41 includes a first rotating rod 411 and a second rotating rod 412, one end of the first rotating rod 411 is connected to the shaft tube 12, the other end of the first rotating rod 411 is connected to one end of the second rotating rod 412 by a screw, and the other end of the second rotating rod 412 is connected to the supporting seat 42.

In the above embodiment, the height of the support lug plate positioning tool can be adjusted by adjusting the depth of the adjusting stud 4111 of the first rotating rod 411 inserted into the adjusting screw hole 4121 of the second rotating rod 412. Because the specification and the size of different otic placodes 100 are different to make the height of through-hole 110 also different, thereby can increase the application scope of otic placode location frock through the length of telescopic link 41.

Fig. 10 is a flowchart of a method of positioning a fixture for positioning an ear plate according to an embodiment of the present invention, and as shown in fig. 10, the method uses the fixture for positioning an ear plate, and the positioning method includes:

s101: the positioning ring 31 of one flange plate 2 is inserted into the through hole 110 of one ear plate 100, so that one flange plate 2 is attached to one ear plate 100.

Before executing step S101, the method further includes:

the distance between the two lug plates 100 is adjusted so that the distance D between the two lug plates 100 is a set value, and then the two lug plates 100 are spot-welded to the workpiece 200.

S102: the insertion depth between the main shaft 11 and the shaft tube 12 is adjusted to make the positioning ring 31 on the other flange plate 2 extend into the through hole 110 of the other ear plate 100 and make the other flange plate 2 stick to the other ear plate 100.

Fig. 11 is a schematic view of an assembly structure of the ear plate positioning tool and the ear plate according to an embodiment of the present invention, and as shown in fig. 11, the insertion depth between the main shaft 11 and the shaft tube 12 is adjusted by over-adjustment, so that the two flange plates 2 are respectively attached to the corresponding positioning rings 31.

S103: the plurality of support rods 32 on each positioning ring 31 are respectively adjusted such that each support rod 32 abuts against the through hole 110 of the corresponding ear plate 100.

Fig. 12 is a side view of fig. 11, and as shown in fig. 12, when the plurality of support rods 32 on each positioning ring 31 are respectively adjusted so that each support rod 32 abuts against the through hole 110 of the corresponding ear plate 100, the plurality of support rods 32 on each positioning ring 31 are respectively adjusted so that the length L of each support rod 32 extending out of the positioning ring 31 is the same, i.e., each positioning ring 31 is concentric with the corresponding through hole 110, so that the coaxiality between the two ear plates 100 can be ensured.

S104: two ear plates 100 are welded.

Illustratively, two ear plates 100 are respectively welded by the ear plate positioning tool, so that the two ear plates 100 are welded to the workpiece 200.

When the lug plate positioning tool provided by the embodiment of the invention is used for positioning the lug plate, firstly, the positioning ring on one flange plate extends into the through hole of one lug plate, so that one flange plate is attached to one lug plate; then, adjusting the insertion depth between the main shaft and the shaft tube to ensure that the positioning ring on the other flange plate extends into the through hole of the other lug plate and the other flange plate is attached to the other lug plate; then, respectively adjusting a plurality of support rods on each positioning ring, so that each support rod is respectively abutted against the through hole of the corresponding ear plate; finally, the two ear plates are welded. Can support fixedly the otic placode when the otic placode welding through this otic placode location frock, prevent the welding deformation of otic placode to guarantee the distance of opening a grade between two otic placodes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.