CN215588517U - A frock clamp for inclined hole processing - Google Patents

Abstract

The utility model relates to a frock clamp for inclined hole processing, its fixture including the base that is used for placing the work piece with be used for pressing from both sides tight work piece, the base is located drilling machine table surface, be provided with the recess that is used for installing the work piece on the base, just recess and drilling machine table surface slope, the recess is located the drill bit under, fixture includes the deciding briquetting, moves briquetting and drive assembly, decide the briquetting and fix in one of them one side of recess, it is located the recess and keeps away from one side of deciding the briquetting to move the briquetting, drive assembly links to each other with the dynamic pressure piece, just drive assembly drive dynamic pressure piece remove to press from both sides the work piece with the deciding the briquetting and be fixed in on the base. The method has the effect of conveniently replacing a new workpiece to be processed.

Description

A frock clamp for inclined hole processing

Technical Field

The application relates to the technical field of drilling, in particular to a tool clamp for machining inclined holes.

Background

In industrial production, when a workpiece needs to be drilled, the workpiece is often positioned and clamped by a tool clamp so as to determine and maintain the position of the workpiece, and the influence on the hole position precision of the workpiece caused by the displacement of the workpiece due to impact force during the drilling operation is avoided.

Current frock clamp is including the fixture that is used for placing the base of work piece and is used for the centre gripping work piece, and fixture includes clamp plate and bolt, places the work piece on the base during use, presss from both sides the work piece tight on the base through clamp plate and bolt again for the position that the work piece need drill hole is arranged in under the drill bit, avoids the work piece to remove. After the workpiece is installed, the drill drives the drill bit to move downwards and drill the workpiece.

Most of the existing tool fixtures are designed for standard workpieces, and for non-standard workpieces, if the requirements of hole angles on different workpieces are met, drilling needs to be carried out on the inclined plane of the workpiece, and a set of fixture needs to be specially designed to assist drilling. In the industry, a sloping base is adopted during machining of the workpiece, a pressing plate is fixed on the base through bolts, and the workpiece is pressed and fixed through the pressing plate.

For the above-mentioned clamp for processing an inclined surface, the inventor thinks that each time a workpiece is processed and taken out or a workpiece to be processed is replaced, the bolt needs to be unscrewed to release the pressing plate to press and fix the workpiece, and then the processed workpiece is taken down and replaced by a new workpiece to be processed, which is cumbersome to operate.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present application is to provide a tool clamp for inclined hole machining, which has an advantage of convenient operation when a new workpiece to be machined is replaced.

In order to achieve the purpose, the application provides the following technical scheme: the utility model provides a frock clamp for inclined hole processing, is including the fixture that is used for placing the base of work piece and is used for pressing from both sides tight work piece, the base is located drilling machine table surface, be provided with the recess that is used for installing the work piece on the base, just recess and drilling machine table surface slope, the recess is located the drill bit under, fixture is including deciding the briquetting, moving briquetting and drive assembly, decide the briquetting and fix in one of them side of recess, it is located the recess and keeps away from one side of deciding the briquetting to move the briquetting, drive assembly links to each other with the dynamic pressure piece, just drive assembly drive dynamic pressure piece remove to press from both sides tight the work piece with the basis pressure piece and be fixed in on the base.

By adopting the technical scheme, the processing workpiece is placed in the groove of the base during processing, and the groove in the base enables the processing workpiece to be placed more stably, so that the function of primary positioning is achieved; the base groove and the working table surface of the drilling machine are inclined at a certain angle, so that the machining of the inclined hole of the workpiece to be machined is facilitated; the base groove is just positioned below the drill bit, the position of the base groove is convenient for the drill bit to directly drill, and the position of the drill bit does not need to be adjusted; after a processing workpiece is placed on the base, the push rod is pushed, the driving assembly pushes the dynamic pressure block to move forwards until the dynamic pressure block is in contact with the processing workpiece and is compressed, the processing workpiece is compressed and fixed on the base by the passive pressure block and the fixed pressure block, and the phenomena that the processing precision is affected by looseness, position deviation and the like of the processing workpiece cannot occur during processing.

Optionally, the base is further provided with two limiting grooves, the limiting grooves are located in the grooves, and two ends of the workpiece are respectively abutted to the limiting grooves.

Through adopting above-mentioned technical scheme, when processing the work piece and placing on the base, the spacing groove in the recess not only can play the effect of preliminary location to processing the work piece, can also leave a silk gap for processing between work piece and base, avoids processing the important position of work piece and receives the damage with man-hour, plays the effect of protection processing work piece.

Optionally, one surface of the constant pressure block facing the groove is arc-surface-shaped.

Through adopting above-mentioned technical scheme, when processing the work piece that has the arcwall face, the constant pressure piece is the setting of arcwall face towards the recess, and the area of contact of constant pressure piece and processing work piece is big, does benefit to fixture and more firmly to the processing work piece centre gripping, reduces to add the extrusion damage of clamping device to the processing work piece man-hour.

Optionally, one surface of the dynamic pressure block facing the groove is arranged in an arc surface shape.

Through adopting above-mentioned technical scheme, when processing the work piece that has the arcwall face, the dynamic pressure piece is the setting of arcwall face towards the recess, and the area of contact of moving the briquetting and processing work piece is big, does benefit to clamping device and is more firm to processing work piece centre gripping, reduces to add the extrusion damage of fixture to processing work piece man-hour.

Optionally, the driving assembly is a push-pull type rapid clamp, and the movable pressing block is fixed on one surface, facing the groove, of a push rod of the push-pull type rapid clamp.

By adopting the technical scheme, after the machining workpiece is placed on the base to be preliminarily positioned, the push-pull rod of the push-pull type rapid clamp is pushed, the movable pressing block is pressed forwards under the action of the push-pull rod, and the driven pressing block and the fixed pressing block of the machining workpiece are clamped in the middle to be fixed. The push-pull type rapid clamp is simple and convenient to operate, and time and labor are saved.

Optionally, the drilling machine further comprises a mounting seat and a mounting block, the mounting seat is fixed on the surface of a drilling machine workbench, a transverse moving rail is arranged on the mounting seat and located below the drill bit, the transverse moving rail is arranged along the length direction of the mounting seat, the mounting block is detachably connected to the transverse moving rail through a bolt, and the base and the clamping mechanism are fixed on the mounting block.

Through adopting above-mentioned technical scheme, before processing, the mount pad is provided with the sideslip track and can conveniently carries out position control to the installation piece. After the position is adjusted, the position of the mounting block on the transverse moving track is fixed by bolts. Adopt the sideslip track to carry out position control, the installation piece position is difficult for appearing the incline, adopts the bolt locking back, and the base position is also more firm when processing, and is littleer to the error influence of processing the work piece.

Optionally, the traverse rails are provided with a plurality of rails, and the traverse rails are parallel to each other.

By adopting the technical scheme, the longitudinal position of the mounting seat also needs to be adjusted during processing. During the longitudinal adjustment, inlay the mount pad in the sideslip track of difference, many sideslip tracks let the scale of mount pad longitudinal adjustment have multiple choices. The transverse moving rails are mutually parallel, so that the position accuracy after longitudinal adjustment is ensured, and the error after adjustment is reduced.

Optionally, the lifting platform is further included, and the lifting platform is located below the mounting seat and can drive the mounting seat to move up and down.

By adopting the technical scheme, when in processing, because the movable distance of the drill bit is limited, the mounting seat sometimes needs to be adjusted up and down. During adjustment, the lifting platform below the mounting seat is driven, and the purpose of adjusting the mounting seat up and down is achieved.

In summary, the present application has at least the following beneficial effects:

1. after the processing work piece is placed and is tentatively fixed a position at the base, move the briquetting through plug-type quick anchor clamps drive and compress tightly forward, the passive briquetting of processing work piece can be fixed with the briquetting clamp in the centre, with remove the clamp plate through twisting the bolt and press the fastening and compare, plug-type quick anchor clamps easy operation is convenient, labour saving and time saving.

2. The groove for placing the processing workpiece is formed in the base, and the groove is inclined with the working table surface of the drilling machine, so that inclined holes can be conveniently processed on the processing workpiece; compared with the prior method of adjusting the angle of a machined workpiece or adjusting the angle of a drill bit, the method is convenient to operate and high in machining precision.

3. The fixed pressing block and the dynamic pressing block are arranged into the arc surface shape, so that the contact area between the fixed pressing block and the processed workpiece is increased when the workpiece with the arc surface is processed, the clamping mechanism is favorable for clamping the processed workpiece, and the extrusion damage of the clamping device to the processed workpiece during processing is reduced.

Drawings

Fig. 1 is a schematic structural view in a molding state of the present application.

Fig. 2 is a schematic view of the base of the present application.

FIG. 3 is a schematic view of a clamping mechanism of the present application.

Reference numerals: 1. processing a workpiece; 2. a base; 21. a groove; 22. a limiting groove; 3. a clamping mechanism; 31. pressing blocks; 32. a movable pressing block; 4. a drill bit; 5. a push-pull type rapid clamp; 51. a push-pull rod; 52. a drive rod; 6. a mounting seat; 61. traversing the track; 7. mounting blocks; 71. a slider; 8. a bolt; 9. a lifting platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, the present application provides a tooling fixture for inclined hole machining, which includes a base 2 for placing a machined workpiece 1 and a clamping mechanism 3 for clamping the machined workpiece 1.

Referring to fig. 1 and 2, a base 2 is installed on a workbench surface of a drilling machine, a groove 21 for placing a workpiece 1 to be machined is formed in the base 2, and the groove 21 plays a role in initially positioning the workpiece 1 to be machined; the groove 21 is inclined with the working table of the drilling machine so as to facilitate the inclined hole processing of the processing workpiece 1; compared with the method of adjusting the angle of the workpiece 1 or the angle of the drill 4, the method has the advantages of simple operation and high processing precision; and the groove 21 is positioned right below the drill 4, so that the drill 4 can be directly drilled without adjusting the position during machining.

Can set up twice spacing groove 22 in the recess 21 on the base 2, will process work piece 1 before the processing and place on the recess 21 of base 2, wherein the both ends of processing work piece 1 support respectively in spacing groove 22, spacing groove 22 in the recess 21 not only can play the effect of preliminary location to processing work piece 1, can also let and keep a silk gap between processing work piece 1 and the base 2, can avoid processing 1 important parts of work piece and receive the damage when processing, play the effect of protection processing work piece 1.

Referring to fig. 1 and 3, the clamping mechanism 3 includes a fixed pressing block 31, a dynamic pressing block 32 and a driving assembly, the fixed pressing block 31 is fixed on one side of the groove 21, the dynamic pressing block 32 is located on one side of the groove 21 far away from the fixed pressing block 31, and the driving assembly is connected with the dynamic pressing block 32; after the processing workpiece 1 is placed on the base 2, the driving assembly pushes the movable pressing block 32 to move forwards until the movable pressing block is in contact with the processing workpiece 1 to be pressed, the processing workpiece 1 is pressed and fixed on the base 2 by the movable pressing block 32 and the fixed pressing block 31, and the phenomena of influence on processing precision, such as looseness, position deviation and the like, of the processing workpiece 1 can be avoided during processing.

The driving assembly can be arranged as a push-pull type quick clamp 5, the push-pull type quick clamp 5 comprises a push-pull rod 51 and a driving rod 52, and one side surface of the dynamic pressure block 32 is welded on the driving rod 52. After the machined workpiece 1 is placed on the base 2 for preliminary positioning, the push-pull rod 51 of the push-pull type rapid clamp 5 is pushed, the driving rod 52 horizontally moves towards the direction close to the base 2 under the action of the push-pull rod 51, the movable pressing block 32 is further driven to horizontally move towards the machined workpiece 1 until the movable pressing block is contacted with the machined workpiece 1, and the machined workpiece 1 is clamped between the passive pressing block 32 and the fixed pressing block 31 so as to be fixed. After the drilling process is finished, the push-pull rod 51 is only needed to drive the movable pressing block 32 to move towards the direction away from the processed workpiece 1, so that the processed workpiece 1 is released from being fixed, the operation of taking and placing the processed workpiece 1 is simple and convenient, and time and labor are saved.

When the side surface of the workpiece 1 is formed in an arc shape, the surfaces of the fixed and dynamic pressure blocks 31 and 32 facing the groove 21 may be formed in an arc shape. When a workpiece with an arc-shaped surface is machined, the surface facing the groove 21 is arc-shaped, so that the contact area of the fixed pressing block 31, the dynamic pressing block 32 and the machined workpiece 1 can be increased, the clamping mechanism 3 can clamp the machined workpiece 1 more firmly, and the extrusion damage of the clamping mechanism 3 to the machined workpiece 1 during machining can be reduced.

Referring to fig. 1, a mounting base 6 is arranged on a workbench surface of a drilling machine, a transverse moving rail 61 is arranged on the mounting base 6 along the length direction of the mounting base, a mounting block 7 is arranged on the mounting base 6, a base 2 is fixed on the upper surface of the mounting block 7 in a welding or bolt 8 locking mode, a sliding block 71 at the lower end of the mounting block 7 is embedded on the transverse moving rail 61, and the sliding block 71 is locked with the mounting base 6 through a bolt 8, so that the mounting block 7 is detachably connected with the mounting base 6. When base 2 needs to be changed, only need twist bolt 8 and remove mount pad 6 and the fixed of installation piece 7, can take off installation piece 7 and base 2 from mount pad 6, change other bases 2, and need not to change whole set of frock clamp, practice thrift the cost.

Moreover, the position between the base 2 and the drill 4, that is, the position between the workpiece 1 and the drill 4 can be adjusted by the lateral movement of the mounting block 7 on the lateral movement rail 61, and drilling can be performed on different positions on the workpiece 1.

In order to facilitate adjustment of the longitudinal position of the mounting block 7, the traverse rails 61 are provided in a plurality, and the traverse rails 61 are parallel to each other. When the mounting block 7 is used for longitudinal position adjustment, the mounting seat 6 is embedded in different traverse rails 61, and the plurality of traverse rails 61 allow the mounting seat 6 to have multiple choices of longitudinal adjustment positions. The transverse moving rails 61 are parallel to each other, so that the position cannot be deflected after longitudinal adjustment, and the position after adjustment is accurate.

In order to adjust the up-and-down position of the mounting block 7, a lifting platform 9 is arranged below the mounting seat 6, and the lifting platform 9 can be made of an oil cylinder or a fork frame structure. The lifting platform 9 can drive the mounting seat 6 to move up and down. Before processing, the drill 4 is arranged above the mounting seat 6, the mounting seat 6 is driven to a reasonable height through the lifting platform 9, so that a proper distance is kept between the surface of the processed workpiece 1 and the drill 4, and the problem that the processed workpiece 1 cannot be reached due to the limited range of motion of the drill 4 is solved.

The application relates to a frock clamp for inclined hole processing, which has the implementation principle that: before machining, a machined workpiece 1 is placed in a groove 21 on a base 2 of an installation block 7 to be preliminarily positioned. Pushing the push-pull rod 51 of the push-pull type rapid clamp 5, driving the driving rod 52 to drive the movable pressing block 32 forward under the driving of the push-pull rod 51, and clamping the passive pressing block 32 and the fixed pressing block 31 of the processing workpiece 1 in the middle to fix the processing workpiece, thus processing; after the drilling process is finished, the dynamic pressure block 32 is driven by the push-pull rod 51 of the push-pull type rapid clamp 5 to move towards the direction far away from the processed workpiece 1, so that the processed workpiece 1 is released from being fixed, the processed workpiece 1 can be taken and placed, and the operation is simple and convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a frock clamp for inclined hole processing, includes base (2) that are used for placing the work piece and fixture (3) that are used for pressing from both sides tight work piece, its characterized in that: base (2) are located drilling machine table surface, be provided with recess (21) that are used for installing the work piece on base (2), just recess (21) and drilling machine table surface slope, recess (21) are located drill bit (4) under, fixture (3) are including deciding briquetting (31), moving briquetting (32) and drive assembly, decide briquetting (31) and fix in one of them one side of recess (21), move briquetting (32) and be located one side that deciding briquetting (31) were kept away from in recess (21), drive assembly with move briquetting (32) and link to each other, just drive assembly drive move briquetting (32) move to with decide briquetting (31) with the work piece clamp be fixed in on base (2).

2. The tooling clamp for inclined hole machining according to claim 1, characterized in that: still be provided with twice spacing groove (22) on base (2), spacing groove (22) are located recess (21), and the both ends of work piece are supported respectively in spacing groove (22).

3. The tooling clamp for inclined hole machining according to claim 1, characterized in that: one surface of the fixed pressing block (31) facing the groove (21) is arranged in an arc surface shape.

4. The tooling clamp for inclined hole machining according to claim 3, characterized in that: one surface of the movable pressing block (32) facing the groove (21) is arc-surface-shaped.

5. The tooling clamp for inclined hole machining according to claim 3, characterized in that: the driving assembly is arranged as a push-pull type rapid clamp (5), and the movable pressing block (32) is fixed on one surface, facing the groove (21), of a push rod of the push-pull type rapid clamp (5).

6. The tooling clamp for inclined hole machining according to claim 1, characterized in that: the drilling machine is characterized by further comprising a mounting seat (6) and a mounting block (7), wherein the mounting seat (6) is fixed on the surface of a drilling machine workbench, a transverse moving rail (61) is arranged on the mounting seat (6), the transverse moving rail (61) is located below the drill bit (4), the transverse moving rail (61) is arranged along the length direction of the mounting seat (6), the mounting block (7) is detachably connected to the transverse moving rail (61) through a bolt (8), and the base (2) and the clamping mechanism (3) are fixed on the mounting block (7).

7. The tooling clamp for inclined hole machining according to claim 6, characterized in that: the transverse moving rails (61) are provided with a plurality of transverse moving rails, and the transverse moving rails (61) are parallel to each other.

8. The tooling clamp for inclined hole machining according to claim 6, characterized in that: the lifting platform (9) is positioned below the mounting seat (6) and can drive the mounting seat (6) to move up and down.