CN217942384U

CN217942384U - Fixing mechanism

Info

Publication number: CN217942384U
Application number: CN202222266122.8U
Authority: CN
Inventors: 高佩翔; 王鹏; 刘宇航; 张正阳
Original assignee: Fawer Automotive Parts Co Ltd
Current assignee: Fawer Automotive Parts Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-02
Anticipated expiration: 2032-08-26

Abstract

The application provides a fixing mechanism, which relates to the technical field of automobile part processing and comprises a first clamp, wherein the first clamp comprises an opening, and the opening is used for accommodating and abutting against a part of an ear piece; the second clamp and the first clamp are arranged opposite to each other and comprise a spigot positioning part matched with the shape of the spigot, and the spigot positioning part is used for being inserted into the spigot; one of the first and second clamps is driven by a drive assembly for driving the one of the first and second clamps closer to and further away from the other of the first and second clamps. First anchor clamps and second anchor clamps press from both sides tight welding fork jointly, owing to utilize first anchor clamps pertinence to hold the auricle, utilize the tang location portion of second anchor clamps to insert in the tang, the welding fork can be fixed steadily to can be in the course of working precision processing welding fork.

Description

Fixing mechanism

Technical Field

The application relates to the technical field of automobile part machining, in particular to a fixing mechanism.

Background

In the prior art, a temporary fixing tool is usually used to fix the welding fork, for example, tools such as flat tongs and a chuck are used to limit the welding fork, so that a targeted fixing measure for the welding fork is absent in the prior art, which results in unstable fixation of the welding fork and is not beneficial to accurately processing the welding fork in the processing process.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a fixing mechanism, which aims to solve the above technical problems to some extent.

The application provides a fixed establishment, fixed establishment is used for fixed welding fork, the welding fork includes auricle and tang, fixed establishment includes:

a first clip including an opening for receiving and abutting a portion of the tab;

the second clamp and the first clamp are arranged opposite to each other, the second clamp comprises a spigot positioning part matched with the shape of the spigot, and the spigot positioning part is used for being inserted into the spigot;

a drive assembly, one of the first and second clamps being driven by the drive assembly, the drive assembly for driving one of the first and second clamps closer to and away from the other of the first and second clamps.

Preferably, the drive assembly comprises:

a guide member provided to be guided in a direction in which the first and second clamps are opposite to each other, the guide member including two ends opposite to each other, one end of the guide member being detachably connected with the first clamp;

a driving member including an output end for outputting a driving force, the output end being detachably connected with the other end of the guide member.

Preferably, the first jig includes a first hole portion and a cutout portion having extension directions perpendicular to each other, the one end of the guide member includes an end portion for insertion into the cutout portion and a second hole portion having an extension direction identical to that of the first hole portion,

the fixing mechanism further includes a pin member, the first hole portion and the second hole portion correspond to each other when the end portion of the one end of the guide member is inserted into the cutout portion, the pin member penetrating the first hole portion and the second hole portion.

Preferably, the end face of the other end of the guide member includes a concave portion recessed into the end face, and two convex portions extending opposite to each other at an opening of the concave portion, and the output end of the driving member is retained in the concave portion by the two convex portions to connect the output end of the driving member with the guide member.

Preferably, the fixing mechanism further comprises a guide holder including a guide groove having a shape adapted to the shape of the guide member, and a portion of the guide member is received in the guide groove so that the guide member moves along the guide groove.

Preferably, the driving member comprises:

the positioning shaft is connected with a piston rod of the oil cylinder, and the positioning shaft is detachably connected with the guide member.

Preferably, the fixing mechanism further comprises a reversing valve, the reversing valve is arranged on the oil cylinder, and the reversing valve is arranged for controlling the movement direction of the piston rod of the oil cylinder so as to control the extension and contraction of the piston rod of the oil cylinder.

Preferably, the fixing mechanism further includes a partition plate including two side portions opposite to each other, the second clamp connected to each of the two side portions being provided corresponding to each, and the first clamp and the driving assembly corresponding to the second clamp connected to each.

Preferably, the fixing mechanism further comprises a second positioning seat and a platform, the second positioning seat is detachably arranged on the upper end face of the platform, and the partition plate is detachably arranged on the upper end face of the second positioning seat.

Preferably, the fixing mechanism further comprises a first positioning seat, the first positioning seat is detachably arranged on the upper end face of the platform, and the driving assembly is detachably arranged on the first positioning seat.

According to the fixing mechanism provided by the application, when the driving assembly drives one of the first clamp and the second clamp to be close to the other one of the first clamp and the second clamp, the first clamp and the second clamp the welding fork together, and the lug piece is contained in a targeted mode through the first clamp, the seam allowance positioning part of the second clamp is inserted into the seam allowance, so that the welding fork can be stably fixed, and the welding fork can be accurately machined in the machining process.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 illustrates a schematic diagram of a top view of a securing mechanism provided in accordance with an embodiment of the present application;

FIG. 2 illustrates a schematic diagram of a front view of a securing mechanism provided in accordance with an embodiment of the present application;

FIG. 3 illustrates a schematic diagram of a right side view of a first clamp of a securing mechanism provided in accordance with an embodiment of the present application;

FIG. 4 illustrates a schematic diagram of a top view of a first clamp of a securing mechanism provided in accordance with an embodiment of the present application;

FIG. 5 illustrates a schematic view of a guide bar of a securing mechanism provided in accordance with an embodiment of the present application;

fig. 6 shows a schematic diagram of a cross-sectional view of a guide bar of a securing mechanism provided in accordance with an embodiment of the present application.

Reference numerals are as follows:

10-a diverter valve; 20-oil cylinder; 30-positioning the shaft; 40-a first positioning seat; 50-a guide bar; 60-a first clamp; 70-a second clamp; 80-a second positioning seat; 90-a divider plate; 100-welding fork.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

According to an embodiment of the present application, a fixing mechanism is provided, where the fixing mechanism includes a reversing valve 10, an oil cylinder 20, a positioning shaft 30, a first positioning seat 40, a guide rod 50, a first fixture 60, a second fixture 70, a second positioning seat 80, and a separation plate 90, and the structure and the operation principle of the fixing mechanism will be specifically described below with reference to fig. 1 to 6.

In an embodiment, the fixing mechanism is used for fixing the welding fork 100, and the welding fork 100 includes a tab and a seam allowance, where the tab and the seam allowance are both structures of the welding fork 100, the tab is in a sheet shape, and a circular ear hole may be formed on the tab, which is shown in fig. 1 as a top view of the fixing mechanism, and the seam allowance may be understood as a concave notch. In an embodiment, the first clamp 60 comprises an opening for receiving and abutting a portion of the tab; the second jig 70 and the first jig 60 are disposed opposite to each other, and the second jig 70 includes a spigot positioning portion adapted to the shape of the spigot for insertion into the spigot; one of the first and

second clamps

60, 70 is driven by a drive assembly for driving one of the first and

second clamps

60, 70 closer to and further from the other of the first and

second clamps

60, 70.

As such, when the driving assembly drives one of the first and

second clamps

60 and 70 to approach the other of the first and

second clamps

60 and 70, the first and

second clamps

60 and 70 collectively clamp the welding fork 100, and since the tab is pertinently received by the first clamp 60 and inserted into the socket by the socket positioning portion of the second clamp 70, the welding fork 100 can be stably fixed, so that the welding fork 100 can be precisely machined during machining, and when it is necessary to take off the welding fork 100, the driving assembly drives one of the first and

second clamps

60 and 70 away from the other of the first and

second clamps

60 and 70, so that the first and

second clamps

60 and 70 release the welding fork 100.

Further, referring to fig. 4, in an embodiment, the opening of the first clamp 60 may be a "V" shaped opening, which facilitates better positioning of the circular outer contour of the tab, and thus facilitates improving the stability of the fixing mechanism for fixing the welding fork 100.

Referring to fig. 1 and 2, in an embodiment, the driving assembly may include a guide member and a driving member, wherein the guide member may be configured to be guided in a direction in which the first and

second clamps

60 and 70 are opposite to each other, the guide member may include two ends opposite to each other, and one end of the guide member may be detachably coupled with the first clamp 60; the driving member may include an output terminal for outputting the driving force, and the output terminal may be detachably connected with the other end of the guide member.

In an embodiment, the driving assembly may drive the first clamp 60 to approach and move away from the second clamp 70, where a guide member is provided between the driving assembly and the first clamp 60, the guide member being guided along a direction in which the first clamp 60 and the second clamp 70 are opposite to each other (i.e., a horizontal direction shown in fig. 1 and 2), so that the first clamp 60 can accurately and stably approach and move away from the second clamp 70, further improving stability of fixing of the welding fork 100. Further, in the embodiment, since the output end of the driving member is detachable from the other end of the guide member, it is possible to cut off the power output of the driving member when necessary, which facilitates maintenance of the fixing mechanism, and one end of the guide member is detachably connected to the first jig 60, so that the guide member can be replaced.

Further, referring to fig. 3 and 4, wherein fig. 3 shows a right side view of the first clamp 60, fig. 4 shows a top view of the first clamp 60, the view of the first clamp 60 shown in fig. 4 is the same as the view of the first clamp 60 given in fig. 1, while fig. 2 shows a front view of the first clamp 60, and fig. 3 is a view obtained by viewing the first clamp 60 from the side where the welding fork 100 is located as the right side view of the first clamp 60. In an embodiment, the first jig 60 may include a first hole portion and a cutout portion having extension directions perpendicular to each other, where, referring to fig. 3, the cutout portion may be a square hole penetrating the first jig 60, the first hole portion may be a through hole penetrating the first jig 60 perpendicular to the direction hole, one end of the guide member may include an end portion for insertion into the cutout portion and a second hole portion having the same extension direction as the first hole portion, the second hole portion may be a through hole penetrating the end portion, and the fixing mechanism may further include a pin member, the first hole portion and the second hole portion may correspond to each other when the end portion of the one end of the guide member is inserted into the cutout portion, and the pin member may penetrate the first hole portion and the second hole portion. In this way, the guide member is easily detachable from the first fixture 60.

Referring to fig. 5 and 6, in which fig. 6 is a sectional view of fig. 5, which is a view obtained by cutting the guide bar 50 using a plane perpendicular to the extending direction of the second hole portion, in an embodiment, the guide member may be the guide bar 50, and the end surface of the other end, i.e., the left end, of the guide bar 50 may include a concave portion recessed into the end surface, and two convex portions extending opposite to each other at an opening of the concave portion, and the output end of the driving member is restrained in the concave portion by the two convex portions to connect the output end of the driving member with the guide member, so that, with this guide bar 50 structure, the guide bar 50 can be connected with the output end of the driving member relatively quickly, as will be explained in the following description, with respect to the specific structure of the driving member.

In an embodiment, the fixing mechanism further comprises a guide seat, the guide seat comprises a guide groove with a shape matched with that of the guide rod 50, and a part of the guide member is accommodated in the guide groove so that the guide member moves along the guide groove. Further, in the embodiment, the guide seat is provided on an upper end surface of the first positioning seat 40 described below.

Referring to fig. 1 and 2, the driving member may include a cylinder 20 (i.e., a hydraulic cylinder) and a positioning shaft 30, the positioning shaft 30 may be connected to a piston rod of the cylinder 20, and the positioning shaft 30 may be adapted to be detachably connected to the guide bar 50, where, further referring to fig. 5, an end portion of the positioning shaft 30 connected to the guide bar 50 has a shape adapted to a recess of a left end surface of the guide bar 50, that is, an end portion of the positioning shaft 30 includes a large-sized rectangular parallelepiped block portion located on an outer side and a small-sized rectangular parallelepiped block portion located on an inner side, and when the positioning shaft 30 is connected to the guide bar 50, the end portion of the positioning shaft 30 is inserted into the recess guided in a direction perpendicular to the paper surface in fig. 5.

Further referring to fig. 1 and 2, in an embodiment, the fixing mechanism may further include a reversing valve 10, the reversing valve 10 may be disposed on the cylinder 20, and the reversing valve 10 is configured to control a moving direction of a piston rod of the cylinder 20 to control extension and contraction of the piston rod of the cylinder 20, that is, the reversing valve 10 is configured to control a direction of pressure oil entering the cylinder 20 to switch the pressure oil between entering a lever chamber and a rodless chamber, and the reversing valve 10 may be a two-position four-way solenoid valve, for example.

Still referring to fig. 1 and 2, the fixing mechanism may further include a partition plate 90, the partition plate 90 including two side portions (i.e., left and right sides as viewed in the figures) opposite to each other, and a second clamp 70 connected to each corresponding one of the two side portions, and a first clamp 60 and a driving assembly corresponding to the second clamp 70 connected to each one, that is, if the first clamp 60, the second clamp 70 and the driving assembly are taken as a set of structure, two sets of such structures may be respectively provided on both sides of the partition plate 90, and the second clamp 70 in each set of such structures is connected to the partition plate 90, which is advantageous in saving the space occupied by the fixing mechanism. In the embodiment, the fixing mechanism includes two partition plates 90, and four sets of the foregoing structures, as an example.

Further, in the embodiment, the fixing mechanism further includes a second positioning seat 80 and a platform, the second positioning seat 80 is detachably disposed on an upper end surface of the platform (for example, connected to the platform by a bolt), and the partition plate 90 is detachably disposed on the upper end surface of the second positioning seat 80 (for example, connected to the second positioning seat 80 by a bolt). The positioning mechanism may further include a first positioning seat 40, the first positioning seat 40 may be detachably disposed on the upper end surface of the platform (e.g., bolted to the platform), and the driving assembly may specifically be a cylinder detachably disposed on the first positioning seat 40 (e.g., bolted to the first positioning seat 40). These can all be dismantled and set up and all be favorable to the change of corresponding part, be favorable to fixed establishment's maintenance.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all changes that can be made in the details of the present application and the equivalents thereof, or directly or indirectly applied to other related technical fields, without departing from the spirit of the present application are intended to be embraced therein.

Claims

1. A securing mechanism for securing a welding fork, the welding fork including a tab and a tang, the securing mechanism comprising:

a second jig provided opposite to the first jig, the second jig including a spigot positioning portion adapted to a shape of the spigot, the spigot positioning portion being adapted to be inserted into the spigot;

a drive assembly by which one of the first and second clamps is driven, the drive assembly for driving one of the first and second clamps closer to and farther from the other of the first and second clamps.

2. The securing mechanism of claim 1, wherein the drive assembly comprises:

3. A securing mechanism according to claim 2,

the first jig includes a first hole portion and a cutout portion having extending directions perpendicular to each other, the one end of the guide member includes an end portion for insertion into the cutout portion and a second hole portion having an extending direction identical to that of the first hole portion,

the fixing mechanism further includes a pin member, the first hole portion and the second hole portion corresponding to each other when the end portion of the one end of the guide member is inserted into the cutout portion, the pin member penetrating the first hole portion and the second hole portion.

4. A securing mechanism according to claim 2,

the end face of the other end of the guide member includes a concave portion recessed into the end face, and two convex portions extending opposite to each other at an opening of the concave portion, and the output end of the drive member is restrained in the concave portion by the two convex portions to connect the output end of the drive member with the guide member.

5. The securing mechanism according to claim 2, further comprising a guide shoe including a guide slot shaped to fit the shape of the guide member, a portion of the guide member being received within the guide slot to cause the guide member to move along the guide slot.

6. The securing mechanism of claim 2, wherein the drive member comprises:

the positioning shaft is connected with a piston rod of the oil cylinder, and the positioning shaft is used for being detachably connected with the guide member.

7. The securing mechanism of claim 6, further comprising a directional valve disposed on the cylinder, the directional valve being configured to control a direction of movement of a piston rod of the cylinder to control extension and retraction of the piston rod of the cylinder.

8. The securing mechanism according to claim 1, further comprising a partition plate including two side portions opposing each other, the second clamp connected to each of the two side portions being provided corresponding to each, and the first clamp and the drive assembly corresponding to the second clamp connected to each.

9. The fastening mechanism according to claim 8, further comprising a second positioning seat and a platform, wherein the second positioning seat is detachably disposed on an upper end surface of the platform, and the separation plate is detachably disposed on an upper end surface of the second positioning seat.

10. The fixing mechanism as claimed in claim 9, further comprising a first positioning seat detachably disposed on the upper end surface of the platform, wherein the driving assembly is detachably disposed on the first positioning seat.