CN213531850U

CN213531850U - Indexing mechanism for machine tool clamp

Info

Publication number: CN213531850U
Application number: CN202022238978.5U
Authority: CN
Inventors: 赵宇
Original assignee: Changzhou Smer Precision Machinery Technology Co ltd
Current assignee: Changzhou Smer Precision Machinery Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-25
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a lathe anchor clamps indexing mechanism, including the anchor clamps body and graduated disk, the anchor clamps body is provided with the positioning core axle, the positioning core axle top is provided with the nut, positioning core axle side is provided with the bush, positioning core axle bottom middle part is provided with the center pin, the center pin surface is provided with the workstation, the workstation is located the positioning core axle bottom, workstation swing joint has a first drill bushing, the first drill bushing other end is connected on the anchor clamps body, anchor clamps body swing joint has the work piece. The fixing bolt of installation fixes the work piece of workstation upper surface on the anchor clamps body, the work piece link is equipped with fastening screw and fastens the work piece, the bush that sets up in the middle of positioning core axle and the first drill bushing protects, the center pin is the fixed point, the anchor clamps body rotates, and this device framework is simple, need not to fix the work piece again, and the relocation can directly be processed respectively to the different positions of work piece.

Description

Indexing mechanism for machine tool clamp

Technical Field

The utility model relates to a machine tool fixture technical field specifically is a machine tool fixture indexing mechanism.

Background

In a workpiece machining device, a machine tool performs a corresponding machining process on a workpiece to be machined. The workpiece to be processed needs to be fixed through a clamp in the processing process. The fixture used for processing the hole of the workpiece comprises a fixture base, a rotary table, an index plate, a fixture support and a drill plate. Wherein the rotary table is rotatably connected on the fixture base, the dividing disc is connected with the rotary table, the fixture base is provided with a centering claw, the dividing disc is provided with a dividing groove, and the front end of the centering claw is propped against the inside of the dividing groove. When indexing is needed, the aligning claw is separated from the indexing groove, the rotary table is rotated to the next position, and then the aligning claw is combined with the new indexing groove, so that the indexing is realized.

However, in the prior art, when the indexing mechanism of the machine tool clamp is actually used, the indexing mechanism is complex, the operation is troublesome, the indexing mechanism is not suitable for machining the equant holes on the workpiece when the workpieces are small in batch, the flexibility is low, the positioning stability of the indexing disc has defects, and the overall machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe anchor clamps indexing mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a machine tool clamp indexing mechanism comprises a clamp body and an indexing disc, wherein the clamp body is provided with a positioning mandrel, a nut is arranged at the top of the positioning mandrel, a bushing is arranged on the side of the positioning mandrel, a central shaft is arranged in the middle of the bottom end of the positioning mandrel, a workbench is arranged on the surface of the central shaft and is positioned at the bottom of the positioning mandrel, a first drill sleeve is movably connected to the workbench, the other end of the first drill sleeve is connected to the clamp body, the clamp body is movably connected with a workpiece, the workpiece is positioned above the workbench, the clamp body is provided with a fixing bolt, the other end of the fixing bolt is movably connected to the upper surface of the workbench, the middle of the fixing bolt is positioned on the outer surface of the workpiece, a fixing rod is fixedly connected to the bottom of the workbench, a connecting block is fixedly connected to the, the two sides of the movable rod are oppositely provided with second drill sleeves, the top end of the movable rod is movably connected with an installation seat, the middle of the bottom end of the installation seat is provided with a positioning pin, the middle of the dividing plate is provided with a central positioning groove, the edge of the dividing plate is provided with a positioning hole, and the inner side of the positioning hole on the dividing plate is provided with a bolt hole.

Preferably, the bottom end of the central shaft penetrates through the connecting block and is located inside the mounting seat.

Preferably, the second drill bushing is fixedly connected to two ends of the movable rod, and the second drill bushing is symmetrical by taking the central shaft as a central point.

Preferably, the fixing bolt movably connected to the clamp body is used for fixing a workpiece on the upper surface of the workbench.

Preferably, the positioning pin is positioned above the central positioning groove, and the positioning pin rotates by taking the positioning mandrel as an axis.

Preferably, the workpiece connecting end is provided with a fastening screw matched with the workpiece.

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

1. the workpiece of the utility model is positioned on the upper surface of the workbench, the workpiece on the upper surface of the workbench is fixed by the fixing bolt arranged on the fixture body, the workpiece connecting end is provided with a fastening screw for fastening the workpiece, the positioning mandrel and the bushing arranged in the middle of the first drill bushing are protected, the central shaft is a fixed point, the fixture body rotates, the device has simple structure, the workpiece is not required to be fixed again and positioned again, and different parts of the workpiece can be directly processed respectively;

2. the utility model discloses still pass through simultaneously the center positioning groove that graduated disk central part set up, a plurality of bolt holes that the center positioning groove periphery set up cooperate with the anchor clamps body, the movable rod is located the workstation below, movable rod surface mounting second drill bushing, the movable rod rotates with the center pin, the locating hole cooperatees, second drill bushing on the movable rod carries out work through locating hole and center pin cooperation to the work piece on the anchor clamps body.

Drawings

Fig. 1 is an elevation view of the overall structure of a machine tool fixture indexing mechanism of the present invention;

fig. 2 is a top view of the overall structure of the indexing mechanism of the machine tool fixture according to the present invention;

fig. 3 is an enlarged structural front view of a position a in the indexing mechanism diagram 1 of the machine tool fixture of the present invention.

In the figure: 1. a nut; 2. a bushing; 3. a first drill bushing; 4. a workpiece; 5. a work table; 6. a movable rod; 7. a second drill bushing; 8. positioning holes; 9. bolt holes; 10. positioning the mandrel; 11. fixing the bolt; 12. connecting blocks; 13. a mounting seat; 14. positioning pins; 15. a clamp body; 16. an index plate; 17. a central positioning groove; 18. fixing the rod; 19. a central axis.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a machine tool fixture indexing mechanism comprises a fixture body 15 and an indexing disc 16, wherein the fixture body 15 is provided with a positioning mandrel 10, the top of the positioning mandrel 10 is provided with a nut 1, the side of the positioning mandrel 10 is provided with a bush 2, the middle part of the bottom end of the positioning mandrel 10 is provided with a central shaft 19, the surface of the central shaft 19 is provided with a workbench 5, the workbench 5 is positioned at the bottom of the positioning mandrel 10, the workbench 5 is movably connected with a first drill bushing 3, the other end of the first drill bushing 3 is connected onto the fixture body 15, the fixture body 15 is movably connected with a workpiece 4, the workpiece 4 is positioned above the workbench 5, the fixture body 15 is provided with a fixed bolt 11, the other end of the fixed bolt 11 is movably connected onto the upper surface of the workbench 5, the middle part of the fixed bolt 11 is positioned on the outer surface of the workpiece 4, the bottom of the workbench, the two sides of the movable rod 6 are oppositely provided with second drill sleeves 7, the top end of the movable rod 6 is movably connected with a mounting seat 13, the middle of the bottom end of the mounting seat 13 is provided with a positioning pin 14, the middle of the dividing plate 16 is provided with a central positioning groove 17, the edge of the dividing plate 16 is provided with a positioning hole 8, and the inner side of the positioning hole 8 on the dividing plate 16 is provided with a bolt hole 9.

The bottom end of a central shaft 19 penetrates through a connecting block 12 and is positioned in an installation seat 13, a second drill bushing 7 is fixedly connected with two ends of a movable rod 6, the second drill bushing 7 is symmetrical by taking the central shaft 19 as a central point, a fixing bolt 11 movably connected with a clamp body 15 is used for fixing a workpiece 4 on the upper surface of a workbench 5, a positioning pin 14 is positioned above a central positioning groove 17, the positioning pin 14 rotates by taking a positioning mandrel 10 as an axis, a fastening screw matched with the workpiece 4 is arranged at the connecting end of the workpiece 4, the workpiece 4 is positioned on the upper surface of the workbench 5, the workpiece 4 on the upper surface of the workbench 5 is fixed by the fixing bolt 11 arranged on the clamp body 15, the connecting end of the workpiece 4 is provided with the fastening screw for fastening the workpiece 4, the positioning mandrel 10 and a bush 2 arranged between the first drill bushing 3 are used for protection, the central shaft 19 is a fixing point, the clamp body, repositioning, different parts of a workpiece can be directly and respectively machined, a central positioning groove 17 is formed in the center of an index plate 16, a plurality of bolt holes 9 formed in the periphery of the central positioning groove 17 are matched with a clamp body 15, a movable rod 6 is located below a workbench 5, a second drill bushing 7 is arranged on the surface of the movable rod 6, the movable rod 6 rotates through a central shaft 19, positioning holes 8 are matched, and the second drill bushing 7 on the movable rod 6 is matched with the central shaft 19 through the positioning holes 8 to work on the workpiece 4 on the clamp body 15.

The working principle is as follows: when using, work piece 4 is located 5 upper surfaces of workstation, the fixing bolt 11 of installation fixes work piece 4 of 5 upper surfaces of workstation on the

anchor clamps body

15, 4 links of work piece are equipped with fastening screw and fasten work piece 4, the bush 2 that sets up in the middle of positioning core axle 10 and the first drill bushing 3 is protected, center pin 19 is the fixed point, anchor clamps body 15 rotates, the utility model discloses center location groove 17 that 16 central parts of graduated disk set up, a plurality of bolt holes 9 that the center location groove 17 periphery set up cooperate with anchor clamps body 15, movable rod 6 is located workstation 5 below, 6 surface mounting second drill bushings 7 of movable rod, movable rod 6 rotates with center pin 19, locating hole 8 cooperatees, second drill bushing 7 on the movable rod 6 cooperates work piece 4 on the anchor clamps body 15 through locating hole 8 and center pin 19.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A machine tool fixture indexing mechanism comprises a fixture body (15) and an indexing disc (16), and is characterized in that: the fixture body (15) is provided with a positioning mandrel (10), the top of the positioning mandrel (10) is provided with a nut (1), the side of the positioning mandrel (10) is provided with a lining (2), the middle part of the bottom end of the positioning mandrel (10) is provided with a center shaft (19), the surface of the center shaft (19) is provided with a workbench (5), the workbench (5) is positioned at the bottom of the positioning mandrel (10), the workbench (5) is movably connected with a first drill bushing (3), the other end of the first drill bushing (3) is connected onto the fixture body (15), the fixture body (15) is movably connected with a workpiece (4), the workpiece (4) is positioned above the workbench (5), the fixture body (15) is provided with a fixing bolt (11), the other end of the fixing bolt (11) is movably connected onto the upper surface of the workbench (5), the middle part of the fixing bolt (11) is positioned on the outer surface of the, workstation (5) bottom fixedly connected with dead lever (18), dead lever (18) bottom fixedly connected with connecting block (12), connecting block (12) bottom surface swing joint has movable rod (6), movable rod (6) both sides are provided with second drill bushing (7) relatively, movable rod (6) top swing joint has mount pad (13), mount pad (13) bottom middle part is provided with locating pin (14), graduated disk (16) middle part is provided with central positioning groove (17), graduated disk (16) limit portion is provided with locating hole (8), graduated disk (16) go up locating hole (8) inboard and be provided with bolt hole (9).

2. The indexing mechanism for a machine tool clamp of claim 1, wherein: the bottom end of the central shaft (19) penetrates through the connecting block (12) and is positioned in the mounting seat (13).

3. The indexing mechanism for a machine tool clamp of claim 1, wherein: the second drill bush (7) is fixedly connected to two ends of the movable rod (6), and the second drill bush (7) is symmetrical by taking the central shaft (19) as a central point.

4. The indexing mechanism for a machine tool clamp of claim 1, wherein: the fixed bolt (11) movably connected to the clamp body (15) is used for fixing the workpiece (4) on the upper surface of the workbench (5).

5. The indexing mechanism for a machine tool clamp of claim 1, wherein: the positioning pin (14) is positioned above the central positioning groove (17), and the positioning pin (14) rotates by taking the positioning core shaft (10) as an axis.

6. The indexing mechanism for a machine tool clamp of claim 1, wherein: and a fastening screw matched with the workpiece (4) is arranged at the connecting end of the workpiece (4).