CN217571858U

CN217571858U - Positioning fixture for gantry machining

Info

Publication number: CN217571858U
Application number: CN202220282876.XU
Authority: CN
Inventors: 崔嘉琪
Original assignee: Jiangsu Jingyan Intelligent Technology Co ltd
Current assignee: Jiangsu Jingyan Intelligent Technology Co ltd
Priority date: 2022-02-12
Filing date: 2022-02-12
Publication date: 2022-10-14
Anticipated expiration: 2032-02-12

Abstract

The utility model discloses a positioning fixture is used in longmen processing belongs to machining technical field, include first support arm and the second support arm of connecting through the rotation axis level rotation, install locking mechanism on the rotation axis, through locking mechanism will first support arm with the contained angle of second support arm is fixed, first support arm with install a plurality of frock clamp along length direction side by side on the second support arm. Through installing a plurality of frock clamp respectively on first support arm and second support arm, be fit for the fixed of the longer portal frame of length, make the centre gripping of portal frame more stable be difficult for coming off from frock clamp, can the horizontal rotation between two support arms moreover, make this positioning fixture can the centre gripping fix the portal frame of different double-layered angles through the contained angle between two support arms of adjustment like this, improve the stability of location centre gripping, application scope is wider moreover.

Description

Positioning fixture for gantry machining

Technical Field

The utility model relates to a machining technical field, in particular to positioning fixture is used in longmen processing.

Background

The portal frame (the movable hoisting small portal frame) is a novel small hoisting portal frame developed according to the requirements of carrying equipment, warehouse in and out, hoisting and maintaining heavy equipment and material transportation in the daily production of medium and small factories (companies). The figure is like a dragon column and therefore gets its name. The method is suitable for manufacturing moulds, automobile repair factories, mines, civil engineering construction sites and occasions needing lifting. The lifting machine is commonly used for material transportation and up-and-down use of constructors in building construction, and achieves lifting mechanization. The manpower can be reduced, the production and operation cost can be reduced, and the working efficiency can be improved.

The portal frame need fix its supporting legs in the processing, because the general length of the supporting legs of portal frame is longer, traditional positioning fixture is difficult to the stable fixed portal frame along supporting legs length direction when the centre gripping location, lead to the centre gripping insecure, there is the potential safety hazard, and general portal frame adopts the triangle supporting legs for pursuing stability, traditional positioning fixture can only centre gripping singleness supporting legs, thereby the condition of focus skew appears easily, lead to the centre gripping firm inadequately, therefore traditional positioning fixture is safe and reliable inadequately when using.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just provides a longmen processing and uses positioning fixture in order to solve the problem of the not enough safety and stability of the supporting legs of the fixed portal frame of above-mentioned positioning fixture centre gripping, has the positioning fixture more firmly stable, advantage that convenient operation is swift.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a positioning fixture is used in longmen processing, include first support arm and the second support arm of connecting through the rotation axis level rotation, install locking mechanism on the rotation axis, through locking mechanism will first support arm with the contained angle of second support arm is fixed, first support arm with install a plurality of frock clamp along length direction side by side on the second support arm.

Preferably, the bottom of the first supporting arm and the bottom of the second supporting arm are both provided with a movable wheel, and the movable wheel is also provided with a brake plate.

Preferably, the tooling clamp comprises a base and a supporting plate, the supporting plate is connected with a pressing plate through an adjusting screw, and the portal frame is tightly pressed on the surface of the base through the pressing plate.

Preferably, the base surface sets up the recess, and the dwang is installed to the recess internal rotation, and the top of dwang is connected with the backup pad.

Preferably, the locking mechanism is a lock nut, the rotating shaft comprises a shaft body and a rotating shaft seat at the bottom end of the shaft body, the first supporting arm and the second supporting arm are sleeved on the shaft body through a connecting ring, and the part of the shaft body extending out of the connecting ring is sleeved with the lock nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through installing a plurality of frock clamp respectively on first support arm and second support arm, be fit for the fixed of the longer portal frame of length, make the centre gripping of portal frame more stable be difficult for coming off from frock clamp, can the horizontal rotation between two support arms moreover, make this positioning fixture can the centre gripping fix the portal frame of different double-layered angles through the contained angle between two support arms of adjustment like this, improve the stability of location centre gripping, application scope is wider moreover.

2. The wheels are moved through the installation of the bottoms of the two support arms, so that the two support arms can rotate more easily and labor-saving, and the locking mechanism is installed on the re-rotating shaft to fix the rotating angle, so that the change of the included angle of the two support arms is avoided.

Drawings

Fig. 1 is the overall structure schematic diagram of the positioning fixture of the present invention.

Fig. 2 is the structure schematic diagram of the tooling fixture of the utility model.

Fig. 3 is a schematic view of the unfolding structure of the first support arm and the second support arm of the present invention.

In the figure: 1. a first supporting arm 2, a second supporting arm 3, a rotating shaft 4, a tool clamp 5, a moving wheel 6, a brake plate 7 and a locking nut, 8, a rotating shaft seat, 9, a connecting ring, 10, a base, 11, a groove, 12, a rotating rod, 13, a supporting plate, 14, an adjusting screw rod, 15 and a pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and 3, a positioning fixture for gantry machining includes a first support arm 1 and a second support arm 2 horizontally connected through a rotation shaft 3, a locking mechanism is installed on the rotation shaft 3, an included angle between the first support arm 1 and the second support arm 2 is fixed through the locking mechanism, a plurality of tooling fixtures 4 are installed on the first support arm 1 and the second support arm 2 in parallel along a length direction, generally, a triangular structure is adopted for supporting legs of a gantry crane in general use in the market, so that stability is better, two supporting legs forming the triangular structure can be supported by the first support arm 1 and the second support arm 2, the supporting legs of the gantry crane can be clamped and fixed by the tooling fixtures 4 on the first support arm 1 and the second support arm 2, so that stability of clamping is increased, since the tooling fixtures 4 are distributed along the length direction of the two support arms, even if the length of the supporting legs of the gantry crane is longer, the supporting legs can be stably clamped, and the first support arm 1 and the second support arm 2 can rotate to adapt to use of gantry cranes with different specifications.

As shown in fig. 1, the bottom of first support arm 1 and second support arm 2 all installs and removes wheel 5, remove and still install brake block 6 on the wheel 5, remove wheel 5 and rotate for first support arm 1 and second support arm 2, reduce the frictional force of first support arm 1 and second support arm 2 and ground, make the user's operation get up labour saving and time saving more, brake block 6 is used for blocking and removes wheel 5, can prevent that first support arm 1 and second support arm 2 from removing after making the contained angle between first support arm 1 and the second support arm 2 confirm.

As shown in fig. 2, the tooling fixture 4 includes a base 10 and a support plate 13, a press plate 15 is connected to the support plate 13 through an adjusting screw 14, the gantry is pressed on the surface of the base 10 through the press plate 15, when the tooling fixture 4 is in use, the support feet of the gantry crane are placed on the base 10, the adjusting screw 14 is screwed to enable the press plate 15 to be pressed on the surfaces of the support feet, so as to clamp the support feet, a groove 11 is formed in the surface of the base 10, a rotating rod 12 is rotatably installed in the groove 11, the top end of the rotating rod 12 is connected with the support plate 13, the support plate 13 can be turned over through the rotating rod 12, when clamping is performed, the support plate 13 is positioned right above the base 10, when taking and placing the support feet of the gantry crane, the support plate 13 can be turned over the base 10, so that no obstacle is present on the surface of the base 10, and taking and placing of the support feet are not affected.

As shown in fig. 1 and fig. 3, locking mechanism is lock nut, rotation axis 3 includes the pivot seat 8 of axis body and axis body bottom, first support arm 1 and second support arm 2 cup joint on the axis body through go-between 9, and the part that the axis body stretches out go-between 9 cup joints lock nut 7, rotation axis 3 is used for making things convenient for the rotation between first support arm 1 and the second support arm 2, when lock nut 7 screws up, extrude go-between 9, make the contained angle of first support arm 1 and second support arm 2 fixed, be convenient for lock two support arms, with the cooperation of removal wheel 5 that has brake block 6, make frock clamp 4 difficult slip and two support arms difficult rocks.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The positioning fixture for gantry machining is characterized by comprising a first supporting arm (1) and a second supporting arm (2) which are connected through a rotating shaft (3) in a horizontally rotating mode, wherein a locking mechanism is installed on the rotating shaft (3), an included angle between the first supporting arm (1) and the second supporting arm (2) is fixed through the locking mechanism, and a plurality of tool fixtures (4) are installed on the first supporting arm (1) and the second supporting arm (2) in parallel along the length direction.

2. The positioning fixture for gantry machining according to claim 1, wherein moving wheels (5) are mounted at the bottoms of the first supporting arm (1) and the second supporting arm (2), and brake plates (6) are further mounted on the moving wheels (5).

3. The positioning fixture for gantry machining according to claim 1, wherein the tooling fixture (4) comprises a base (10) and a support plate (13), the support plate (13) is connected with a pressure plate (15) through an adjusting screw (14), and the gantry is pressed on the surface of the base (10) through the pressure plate (15).

4. A positioning fixture for gantry machining according to claim 3, characterized in that a groove (11) is formed in the surface of the base (10), a rotating rod (12) is rotatably mounted in the groove (11), and the top end of the rotating rod (12) is connected with the supporting plate (13).

5. The positioning fixture for gantry machining according to claim 1, wherein the locking mechanism is a locking nut, the rotating shaft (3) comprises a shaft body and a rotating shaft seat (8) at the bottom end of the shaft body, the first supporting arm (1) and the second supporting arm (2) are sleeved on the shaft body through a connecting ring (9), and a part of the shaft body, which extends out of the connecting ring (9), is sleeved with the locking nut (7).