CN219005374U

CN219005374U - Machining clamp for shell

Info

Publication number: CN219005374U
Application number: CN202223168517.0U
Authority: CN
Inventors: 姚永恒; 梁文志
Original assignee: Zhaoqing Huiyang Precision Metal Co ltd
Current assignee: Zhaoqing Huiyang Precision Metal Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a processing clamp for a shell, which comprises a base, a pressing mechanism and a side supporting mechanism, wherein a plurality of support columns and a plurality of limiting pieces are arranged on the base, the support columns are used for supporting the shell, and the limiting pieces are used for limiting the two sides of the shell; the pressing mechanism is provided with a plurality of pressing arms, and comprises a first hydraulic cylinder and a pressing arm, the first hydraulic cylinder drives the free end of the pressing arm to be close to and far away from the shell, and the free end of one pressing arm is matched with one supporting column to press the shell up and down; the side support mechanism comprises a mounting seat, a second hydraulic cylinder and a support head, wherein the mounting seat is fixed on the base, the mounting seat is provided with a first inclined plane, the second hydraulic cylinder is fixed on the first inclined plane, the second hydraulic cylinder is used for driving the support head to reciprocate along the direction perpendicular to the first inclined plane, and the support head is in butt joint with one side of the shell, which is opposite to the machining surface, of the support shell. The processing clamp for the shell can support one side of the shell, which is away from a processing surface, and reduce shaking of the shell in the processing process.

Description

Machining clamp for shell

Technical Field

The utility model relates to the technical field of machining fixtures, in particular to a machining fixture for a shell.

Background

The housing is a common automotive component, and for some mating mounting surfaces of the housing, machining is generally required to improve the mating accuracy of the housing with other components.

Wherein, some irregular casings of appearance, most positions are the inclined plane in the one side of casing dorsad machined surface, the plane is less, the anchor clamps supporting point that can arrange is less, the anchor clamps are difficult to steadily support the casing, in addition, have a plurality of planes perpendicular to the machined surface on the casing, simultaneously, have the mounting hole that runs through the casing on some planes, consequently, need put the casing side on the anchor clamps for the more one side of plane is down on the casing, then the anchor clamps clamp from top to bottom to the casing, make the machined surface of casing face the side of anchor clamps, then, the machining cutter carries out feeding processing to the machined surface of casing along the horizontal direction.

However, feeding the machining surface of the housing in the horizontal direction by the machining tool tends to cause the housing to shake unstably on the jig.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a processing clamp for a shell, which can support one side of the shell, which is away from a processing surface, and reduce shaking of the shell in the processing process.

A machining jig for a housing according to an embodiment of the first aspect of the present utility model includes: the base is provided with a plurality of support columns and a plurality of limiting pieces, wherein the support columns are used for supporting the shell, and the limiting pieces are used for limiting the two sides of the shell; the pressing mechanism is provided with a plurality of pressing arms and comprises a first hydraulic cylinder and pressing arms, wherein the first hydraulic cylinder is fixed on the base, the free end of one pressing arm is correspondingly arranged above one supporting column, the first hydraulic cylinder drives the free end of the pressing arm to be close to and far away from the shell, and the free end of one pressing arm is matched with one supporting column to press the shell up and down; the side support mechanism comprises a mounting seat, a second hydraulic cylinder and a support head, wherein the mounting seat is fixed on the base, the mounting seat is provided with a first inclined plane, the second hydraulic cylinder is fixed on the first inclined plane and is used for driving the support head to reciprocate along the direction perpendicular to the first inclined plane, and the support head is in butt joint with one side of the shell, which is opposite to the machining surface, to support the shell.

The processing clamp for the shell has at least the following beneficial effects:

1. according to the utility model, the base is provided with the plurality of support columns, and the plurality of support columns are used for supporting the shell, so that the clamp can independently support a plurality of points of the shell through the support columns, and unstable support of the base to the shell due to irregular shell appearance is avoided.

2. According to the utility model, the plurality of limiting pieces are arranged on the base and are used for limiting the two sides of the shell, so that the installation position of the shell on the clamp is more accurate.

3. According to the utility model, the plurality of pressing mechanisms are arranged, each pressing mechanism comprises the first hydraulic cylinder and the pressing arms, the first hydraulic cylinders are fixed on the base, the free ends of the pressing arms are correspondingly arranged above the supporting columns, the free ends of the pressing arms are driven by the first hydraulic cylinders to be close to and far away from the shell, and the free ends of the pressing arms are matched with the supporting columns to press the shell up and down, so that the shell is clamped conveniently and rapidly, and the shell is more stable on the clamp.

4. According to the utility model, the side support mechanism is arranged on the base, and comprises the mounting seat, the second hydraulic cylinder and the supporting head, wherein the mounting seat is fixed on the base, the mounting seat is provided with the first inclined surface, the second hydraulic cylinder is fixed on the first inclined surface and is used for driving the supporting head to reciprocate along the direction perpendicular to the first inclined surface, the supporting head is abutted against the supporting shell on the side of the shell, which is opposite to the machining surface, and the first inclined surface can be parallel to the position, corresponding to the supporting head, of the shell, so that the second hydraulic cylinder can drive the supporting head to abut against the shell along the direction perpendicular to the position, corresponding to the supporting head, of the shell, thereby enabling the supporting head to support the shell more stably, and the supporting head supports the side, opposite to the machining surface, of the shell, after the shell is subjected to the pressure of the feeding direction of the machining tool, the shell is supported by the supporting head, the shell is prevented from moving under the force, and further, the shell shaking in the machining process is reduced, and the shell is enabled to be more stable in the machining process, and the machining precision is improved.

According to some embodiments of the utility model, the base has a mounting groove that receives the mount.

According to some embodiments of the utility model, the side bracing mechanism further comprises a profiling seat, the top of the profiling seat is provided with a profiling groove, the bottom wall of the profiling groove is abutted with the bottom of the shell, and the side wall of the profiling groove is abutted with one side of the shell, which is away from the machining surface.

According to some embodiments of the utility model, the first hydraulic cylinder comprises a cylinder seat and a telescopic rod, the pressing mechanism further comprises a connecting arm, one end of the connecting arm is hinged to the top of the cylinder seat, the other end of the connecting arm is hinged to two ends of the pressing arm, the telescopic rod is hinged to one end, far away from the free end, of the pressing arm, and the telescopic rod stretches and contracts to drive the pressing arm to swing up and down.

According to some embodiments of the utility model, the base is further provided with a support and a positioning pin, the support is fixed on the base, the positioning pin is arranged on the support, and the positioning pin is used for being inserted into a mounting hole of the shell to position the shell.

According to some embodiments of the utility model, a sliding hole is formed in the top of the support, the sliding hole accommodates the locating pin to slide up and down, a threaded hole communicated with the sliding hole is formed in one side of the support, and a locking bolt is arranged in the threaded hole and abuts against the side wall of the locating pin to lock the locating pin.

According to some embodiments of the utility model, a waist-shaped groove for accommodating the locking bolt is formed in the side wall of the positioning pin, the length direction of the waist-shaped groove is parallel to the length direction of the positioning pin, and the waist-shaped groove is matched with the locking bolt for limiting.

According to some embodiments of the utility model, the base is further provided with a plurality of air blowing pipes, air blowing ports of the air blowing pipes face the shell, and the air blowing pipes are used for blowing and cleaning processing scraps on the clamp.

According to some embodiments of the utility model, a riser is further provided on the base, and a clamping mechanism is provided on one side of the riser, and is used for clamping a shell of another processing procedure.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a machining fixture for a shell according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 after the housing is installed;

FIG. 3 is a top view of the illustration of FIG. 1;

fig. 4 is a cross-sectional view A-A shown in fig. 3.

Reference numerals: 100-base, 110-support column, 120-limiting piece, 130-hold-down mechanism, 140-first hydraulic cylinder, 150-press arm, 160-side support mechanism, 170-installation seat, 180-second hydraulic cylinder, 190-support head, 200-first inclined plane, 210-installation groove, 220-profiling seat, 230-profiling groove, 240-cylinder seat, 250-telescopic link, 260-connecting arm, 270-support, 280-locating pin, 290-slide hole, 300-screw hole, 310-locking bolt, 320-waist-shaped groove, 330-blowing pipe, 340-riser, 350-clamping mechanism.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A machining jig for a housing according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, a machining jig for a housing according to an embodiment of the present utility model includes a base 100, a pressing mechanism 130, and a side stay mechanism 160.

For the base 100, a plurality of support columns 110 are arranged on the base 100, and the support columns 110 are used for supporting the shell, so that the clamp can independently support a plurality of points of the shell through the support columns 110, and unstable support of the base 100 to the shell due to irregular shell appearance is avoided.

Further, the base 100 is further provided with a plurality of limiting members 120, and the plurality of limiting members 120 are used for limiting two sides of the shell, so that the installation position of the shell on the clamp is more accurate.

In some specific embodiments, the base 100 is further provided with a support 270 and a positioning pin 280, the support 270 is fixed on the base 100, the positioning pin 280 is arranged on the support 270, and the positioning pin 280 is used for being inserted into a mounting hole of the housing to position the housing, so that the positioning of the fixture on the housing is more accurate.

Further, the top of the support 270 is provided with a slide hole 290, the slide hole 290 is used for accommodating the locating pin 280 to slide up and down, one side of the support 270 is provided with a threaded hole 300 communicated with the slide hole 290, a locking bolt 310 is arranged in the threaded hole 300, and the locking bolt 310 is in butt joint with the side wall of the locating pin 280 to lock the locating pin 280, so that the height of the locating pin 280 is conveniently adjusted, and further, the height of the locating pin 280 is conveniently adjusted according to the height of the mounting hole of the shell when the clamp is conveniently debugged.

Further, the side wall of the locating pin 280 is provided with a waist-shaped groove 320 for accommodating the locking bolt 310, the length direction of the waist-shaped groove 320 is parallel to the length direction of the locating pin 280, and the waist-shaped groove 320 is matched with the locking bolt 310 to limit, so that on one hand, the locking bolt 310 can move up and down in the waist-shaped groove 320, the waist-shaped groove 320 cannot interfere with the adjustment of the height position of the locating pin 280, on the other hand, two sides of the waist-shaped groove 320 can be matched with the locking bolt 310 to limit, and further, the waist-shaped groove 320 and the locking bolt 310 are matched to limit the rotation of the locating pin 280, so that the locating pin 280 is more stable.

In some embodiments, the top end of the dowel 280 has a tapered portion for guiding the mounting hole of the housing so that the mounting hole of the housing is easier to fit over the dowel 280.

In some specific embodiments, the base 100 is further provided with a plurality of air blowing pipes 330, air blowing ports of the air blowing pipes 330 face the housing, and the air blowing pipes 330 are used for blowing and cleaning machining scraps on the clamp, so that the machining scraps on the clamp are prevented from affecting the mounting and fixing of the housing on the clamp.

In some specific embodiments, the air purge tube 330 communicates with an external air source and a control valve for controlling the opening and closing of the air purge tube 330.

For the hold-down mechanism 130, the hold-down mechanism 130 is provided with a plurality of, and the hold-down mechanism 130 includes first pneumatic cylinder 140 and pressure arm 150, and first pneumatic cylinder 140 is fixed on base 100, and the free end of a pressure arm 150 corresponds to be set up in a support column 110 top, and the free end of first pneumatic cylinder 140 drive pressure arm 150 is close to and keeps away from the casing, and the free end of a pressure arm 150 compresses tightly the casing about with a support column 110 cooperation to, convenient quick clamp casing makes the casing more firm on the anchor clamps.

In some specific embodiments, the first hydraulic cylinder 140 includes a cylinder base 240 and a telescopic rod 250, the pressing mechanism 130 further includes a connecting arm 260, one end of the connecting arm 260 is hinged to the top of the cylinder base 240, the other end of the connecting arm 260 is hinged to the two ends of the pressing arm 150, the telescopic rod 250 is hinged to the end, away from the free end, of the pressing arm 150, and the telescopic rod 250 telescopically drives the pressing arm 150 to swing up and down.

It will be appreciated that the pressing arm 150 presses and releases the housing by swinging so that the free end of the pressing arm 150 can be moved away from the housing in a horizontal direction while being lifted away from the housing, avoiding the free end of the pressing arm 150 from obstructing the up-and-down movement of the housing.

For the side support mechanism 160, the side support mechanism 160 comprises a mounting seat 170, a second hydraulic cylinder 180 and a support head 190, wherein the mounting seat 170 is fixed on the base 100, the mounting seat 170 is provided with a first inclined plane 200, the second hydraulic cylinder 180 is fixed on the first inclined plane 200, the second hydraulic cylinder 180 is used for driving the support head 190 to reciprocate along the direction perpendicular to the first inclined plane 200, and the support head 190 is abutted against the support shell on the side, facing away from the machining surface, of the shell.

It is to be appreciated that the first inclined plane 200 can be parallel to the position corresponding to the supporting head 190 on the housing, so that the second hydraulic cylinder 180 can drive the supporting head 190 to approach the housing along the direction perpendicular to the position corresponding to the supporting head 190 on the housing, so that the supporting head 190 supports the housing more stably, and the supporting head 190 supports the side of the housing opposite to the machining surface, so that the machining surface of the housing can be supported by the supporting head 190 after being subjected to the pressure of the feeding direction of the machining tool, the housing is prevented from being forced to move, further, shaking of the housing in the machining process is reduced, the housing is more stable in the machining process, and the machining precision is improved.

In some particular embodiments, the base 100 has a mounting slot 210 that receives the mount 170, thereby enabling the mount 170 to be positioned within the mounting slot 210, avoiding the placement of the mount 170 from impeding the installation of the housing.

In some specific embodiments, the side support mechanism 160 further includes a profiling seat 220, the top of the profiling seat 220 has a profiling groove 230, the bottom wall of the profiling groove 230 is abutted with the bottom of the shell, and the side wall of the profiling groove 230 is abutted with the side of the shell opposite to the machining surface, so that the support position of the side support mechanism 160 on the side of the shell opposite to the machining surface is increased, and the shell is further stable during machining.

In some specific embodiments, the base 100 is further provided with a riser 340, one side of the riser 340 is provided with a clamping mechanism 350, and the clamping mechanism 350 is used for clamping the shell of another machining procedure, so that the clamp can clamp the shells of two machining procedures at a time, the frequency of stopping the machining equipment is reduced, and further, the machining efficiency is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A machining fixture for a housing, comprising:

the base (100), be provided with a plurality of support columns (110) and a plurality of locating parts (120) on base (100), a plurality of support columns (110) are used for supporting the casing, a plurality of locating parts (120) are used for spacing the both sides of casing;

the pressing mechanisms (130) are arranged and comprise a plurality of first hydraulic cylinders (140) and pressing arms (150), the first hydraulic cylinders (140) are fixed on the base (100), the free ends of one pressing arm (150) are correspondingly arranged above one supporting column (110), the free ends of the first hydraulic cylinders (140) drive the pressing arms (150) to be close to and far away from the shell, and the free ends of one pressing arm (150) are matched with one supporting column (110) to press the shell up and down;

the side support mechanism (160) comprises a mounting seat (170), a second hydraulic cylinder (180) and a support head (190), wherein the mounting seat (170) is fixed on the base (100), the mounting seat (170) is provided with a first inclined surface (200), the second hydraulic cylinder (180) is fixed on the first inclined surface (200), the second hydraulic cylinder (180) is used for driving the support head (190) to reciprocate along the direction perpendicular to the first inclined surface (200), and the support head (190) and a shell are propped against a support shell on one side of a machining surface.

2. The shell machining fixture according to claim 1, wherein the base (100) has a mounting groove (210) for receiving the mounting base (170).

3. The machining fixture for the shell according to claim 1, wherein the side support mechanism (160) further comprises a profiling seat (220), a profiling groove (230) is formed in the top of the profiling seat (220), the bottom wall of the profiling groove (230) is abutted to the bottom of the shell, and the side wall of the profiling groove (230) is abutted to the side, facing away from the machining surface, of the shell.

4. The shell machining fixture according to claim 1, wherein the first hydraulic cylinder (140) comprises a cylinder base (240) and a telescopic rod (250), the pressing mechanism (130) further comprises a connecting arm (260), one end of the connecting arm (260) is hinged to the top of the cylinder base (240), the other end of the connecting arm (260) is hinged to two ends of the pressing arm (150), the telescopic rod (250) is hinged to one end, far away from the free end, of the pressing arm (150), and the telescopic rod (250) stretches to drive the pressing arm (150) to swing up and down.

5. The shell machining fixture according to claim 1, wherein the base (100) is further provided with a support (270) and a positioning pin (280), the support (270) is fixed on the base (100), the positioning pin (280) is arranged on the support (270), and the positioning pin (280) is used for being inserted into a mounting hole of the shell to position the shell.

6. The machining fixture for the shell according to claim 5, wherein a sliding hole (290) is formed in the top of the support (270), the sliding hole (290) is used for accommodating the positioning pin (280) to slide up and down, a threaded hole (300) communicated with the sliding hole (290) is formed in one side of the support (270), a locking bolt (310) is arranged in the threaded hole (300), and the locking bolt (310) is abutted against the side wall of the positioning pin (280) to lock the positioning pin (280).

7. The shell machining fixture according to claim 6, wherein a waist-shaped groove (320) for accommodating the locking bolt (310) is formed in the side wall of the positioning pin (280), the length direction of the waist-shaped groove (320) is parallel to the length direction of the positioning pin (280), and the waist-shaped groove (320) is in limit fit with the locking bolt (310).

8. The shell machining fixture according to claim 1, wherein the base (100) is further provided with a plurality of air blowing pipes (330), air blowing ports of the air blowing pipes (330) face the shell, and the air blowing pipes (330) are used for blowing and cleaning machining scraps on the fixture.

9. The shell machining fixture according to claim 1, wherein a riser (340) is further provided on the base (100), a clamping mechanism (350) is provided on one side of the riser (340), and the clamping mechanism (350) is used for clamping the shell in another machining process.