CN212169691U

CN212169691U - Connecting piece fixture tool

Info

Publication number: CN212169691U
Application number: CN202020959226.5U
Authority: CN
Inventors: 周建福; 张洋清
Original assignee: Jiangxi Xinhang Aviation Technology Co ltd
Current assignee: Jiangxi Xinhang Aviation Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-18
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a connecting piece fixture attachment, the on-line screen storage device comprises a base, be provided with the anchor clamps body perpendicularly on the base, anchor clamps body upper surface is provided with the locating pin, the diamond pin, the locating pin, the diamond pin distributes along anchor clamps body border, anchor clamps body top angle is provided with the opening, be provided with mistake proofing round pin in the opening, anchor clamps body center is provided with the notch cuttype structure, the notch cuttype structure bottom is run through and is equipped with the centre bore, be provided with the center post in the centre bore, the center post upper end is provided with toper portion, toper portion upper end center department is provided with first bolt, the cover expands and is provided with even the lid on the cover, even cover and be provided with the second bolt. The utility model discloses a even lid rotates downwards, even takes the cover to move the cover and slide downwards in step on first bolt, and the cover that expands pushes down the extrusion that the in-process received the toper portion and outwards rises to play the effect to the inside tight work piece of clamp of work piece, simple structure, convenient operation fixes a position the accuracy, has improved the machining precision greatly.

Description

Connecting piece fixture tool

Technical Field

The utility model relates to an anchor clamps field specifically is a connecting piece anchor clamps frock.

Background

In the workpiece processing equipment, a machine tool carries out corresponding processing treatment on a processed workpiece; need fix the machined work piece through anchor clamps in the processing procedure, some work pieces that have the hole are adding man-hour, need press from both sides tight location, some anchor clamps of current all design according to the size of work piece hole, generally all slightly are greater than the hole, thereby press from both sides the work piece tightly, however this type of anchor clamps use the long time after, can take place wearing and tearing, thereby the work piece can not be pressed from both sides tightly accurately, the danger that the work piece dropped can take place even, the dismantlement process is complicated, the spacing precision in location is low, lead to processingquality to reduce, and take place the dislocation easily in the positioning process even the work piece prevents the reverse condition.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a connecting piece fixture tool, which comprises a base, wherein a fixture body is vertically arranged on the base, a positioning pin and a diamond pin are arranged on the upper surface of the fixture body, the positioning pin and the diamond pin are distributed along the edge of the fixture body, the upper corner of the fixture body is provided with an opening, an error-proof pin is arranged in the opening, the center of the fixture body is provided with a ladder-shaped structure, the bottom of the ladder-shaped structure is provided with a center hole in a penetrating way, a center post is arranged in the center hole, the upper end of the center post is provided with a conical part, the center of the upper end of the conical part is provided with a first bolt, the outer side wall of the conical part is wrapped with an expansion sleeve, the expansion sleeve is provided with a connecting cover, the two sides of the expansion sleeve are provided with grooves, the two sides of the connecting cover are provided with, and a second bolt is vertically arranged on the connecting cover, and a locking nut is connected to the second bolt through threads.

Preferably, mounting holes are circumferentially distributed around the central hole, and the central column is fixedly connected with the clamp body through the central hole and the mounting holes by screws.

Preferably, the first bolt is located a cylindrical pin is arranged in the connecting cover, and the outer side wall of the cylindrical pin comprises a driving washer.

Preferably, in order to avoid abrasion between the first bolt and the connecting cover, a backing plate is arranged between the first bolt and the connecting cover.

Preferably, the upper end of the connecting cover is provided with a damping device, and the damping device is assembled with the large fork lug of the workpiece to reduce vibration in subsequent processing of the large fork lug.

Preferably, the cross section of the base is of a rectangular structure, lifting bolts are arranged on corners of the base, the base is fixedly connected with a workbench of a milling machine conveniently, and a plurality of through holes are formed in the base in a penetrating mode.

Preferably, the upper side wall of the clamp body is provided with a zero point block, one end of the zero point block is located in the clamp body, and the other end of the zero point block is located outside the clamp body.

The utility model has the advantages that

(1) The utility model discloses a center post is earlier one step plays the fixed effect in location to the work piece, and locating pin, rhombus round pin, the mistake proofing round pin of anchor clamps body upper surface correspond the hole of work piece lower surface in proper order, further play the fixed effect in location, and rhombus round pin, mistake proofing round pin can prevent that the work piece from putting into the effect of taking place the dislocation when fixed, prevent that the work piece from putting conversely.

(2) The utility model discloses a even lid rotates downwards, even takes the cover to move the cover and slide downwards in step on first bolt, and the cover that expands pushes down the extrusion that the in-process received the toper portion and outwards rises to play the effect to the inside tight work piece of clamp of work piece, simple structure, convenient operation fixes a position the accuracy, has improved the machining precision greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view structural section view of the present invention.

Fig. 3 is a top view of the clamp body and the base structure of the present invention.

Fig. 4 is a top view of the structure of the shock absorber of the present invention.

Description of reference numerals: 1-base, 2-fixture body, 3-diamond pin, 4-locating pin, 5-notch, 6-mistake-proofing pin, 7-central hole, 71-mounting hole, 8-central column, 9-conical part, 10-first bolt, 11-expansion sleeve, 12-connecting cover, 13-groove, 14-backing plate, 15-second bolt, 16-locking nut, 17-lifting ring screw, 18-cylindrical pin, 19-through hole, 20-zero block and 21-damping device.

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.

Examples

As shown in fig. 1-4, the utility model provides a connecting piece fixture tool, which comprises a base 1, the cross section of the base 1 is a rectangular structure, a fixture body 2 is vertically arranged on the base 1, the upper surface of the fixture body 2 is provided with a positioning pin 4 and a diamond pin 3, the positioning pin 4 and the diamond pin 3 are distributed along the edge of the fixture body 2, the upper corner of the fixture body 2 is provided with a notch 5, an error-proof pin 6 is arranged in the notch 5, the center of the fixture body 2 is provided with a ladder-shaped structure, the bottom of the ladder-shaped structure is provided with a central hole 7 in a penetrating manner, a central column 8 is arranged in the central hole 7, mounting holes 71 are distributed on the circumference of the central hole 7, the central column 8 and the fixture body 2 are fixedly connected with the mounting holes 71 through screws via the central hole 7, the upper end of the central column 8 is provided with a tapered part 9, the first bolt 10 is positioned in the connecting cover 12 and is internally provided with a cylindrical pin 18, the outer side wall of the cylindrical pin 18 comprises a driving washer, the cylindrical pin 18 has a limiting effect on the connecting cover 12, and the driving washer can prevent abrasion between the connecting cover 12 and the cylindrical pin 18 and has a protection effect; an expansion sleeve 11 is wrapped on the outer side wall of the conical part 9, a connecting cover 12 is arranged on the expansion sleeve 11, in order to avoid abrasion between a first bolt 10 and the connecting cover 12, a backing plate 14 is arranged between the first bolt 10 and the upper end of the connecting cover 12, grooves are arranged on two sides of the expansion sleeve 11, protrusions matched with the grooves 13 of the expansion sleeve 11 are arranged on two sides of the connecting cover 12, the expansion sleeve 11 and the connecting cover 12 are matched and connected with the protrusions through the grooves 13, a second bolt 15 is vertically arranged on the connecting cover 12, and a locking nut 16 is in threaded connection with the second bolt 15;

a workpiece is placed on the clamp body 2 through the central column 8, the central column 8 firstly plays a role in positioning and fixing the workpiece in one step, the positioning pin 4, the diamond pin 3 and the error-proof pin 6 on the upper surface of the clamp body 2 sequentially correspond to holes in the lower surface of the workpiece, the positioning and fixing effects are further played, the diamond pin 3 and the error-proof pin 6 can prevent the workpiece from being misplaced when the workpiece is placed and fixed, the workpiece is prevented from being placed reversely, the upper end of the workpiece is attached to the expansion sleeve 11, the connecting cover 12 is rotated downwards, the connecting cover 12 drives the expansion sleeve 11 to synchronously slide downwards on the first bolt 10, the expansion sleeve 11 is extruded by the conical part 9 to expand outwards in the pressing process, the workpiece is clamped inside the workpiece, and then the connecting cover 12 is fixed through the locking nut 16 on the second bolt 15, and the stability of the clamp is improved;

the upper end of the connecting cover 12 is provided with a damping device 21, and the damping device 21 is assembled with a large fork lug of a workpiece for subsequent processing of the large fork lug to reduce vibration; lifting ring screws 17 are arranged on the corners of the base 1, so that the base 1 is conveniently and fixedly connected with a workbench of a milling machine, a plurality of through holes 19 are formed in the base 1 in a penetrating mode, a fixture for fixing a workpiece is integrally moved onto the workbench of the milling machine through the lifting ring screws 17, and the fixture is fixedly connected with the workbench through the through holes 19 through screws, so that the labor intensity of manual transfer of the fixture is reduced, and the safety of operators is improved; the upper side wall of the fixture body 2 is provided with a zero point block 20, one end of the zero point block 20 is located in the fixture body 2, the other end of the zero point block 20 is located outside the fixture body 2, and the zero point block 20 can play a role in positioning when the center post 8 is fixed with the fixture body 2, so that offset is prevented during installation.

Principle of operation

The utility model relates to a connecting piece fixture tool, each part is distributed as shown in figures 1-4, when in use, a workpiece is placed on a fixture body 2 through a center post 8, the center post 8 firstly plays a role of positioning and fixing the workpiece, a positioning pin 4, a diamond pin 3 and an error-proof pin 6 on the upper surface of the fixture body 2 sequentially correspond to holes on the lower surface of the workpiece, the positioning and fixing effect is further played, the diamond pin 3 and the error-proof pin 6 can prevent the workpiece from being misplaced when being placed and fixed, the workpiece is prevented from being placed reversely, the upper end of the workpiece is attached to an expansion sleeve 11, a connecting cover 12 is rotated downwards, the connecting cover 12 drives the expansion sleeve 11 to synchronously slide downwards on a first bolt 10, the expansion sleeve 11 is extruded by a conical part 9 to outwards expand in the pressing process, thereby playing a role of clamping the workpiece inside, and the connecting cover 12 is fixed through a locking nut 16 on a second bolt 15, the stability of the clamp is improved, the clamp for fixing the workpiece is integrally moved to a workbench of a milling machine through the lifting bolt 17 and is fixedly connected with the workbench through the through hole 19 through the bolt, the labor intensity of manual transfer of the clamp is reduced, and the safety of operators is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The connecting piece clamp tool is characterized by comprising a base (1), wherein a clamp body (2) is vertically arranged on the base (1), a positioning pin (4) and a diamond pin (3) are arranged on the upper surface of the clamp body (2), the positioning pin (4) and the diamond pin (3) are distributed along the edge of the clamp body (2), an opening (5) is arranged at an upper corner of the clamp body (2), a mistake-proof pin (6) is arranged in the opening (5), a stepped structure is arranged at the center of the clamp body (2), a central hole (7) is formed in the bottom of the stepped structure in a penetrating mode, a central column (8) is arranged in the central hole (7), a conical part (9) is arranged at the upper end of the central column (8), a first bolt (10) is arranged at the center of the upper end of the conical part (9), and an expansion sleeve (11) is wrapped on the outer side, expand and be provided with even lid (12) on cover (11), expand cover (11) and go up both sides and be provided with recess (13), even lid (12) both sides are provided with recess (13) matched with arch with the cover (11) that expands, expand cover (11) and even lid (12) cooperate with protruding through recess (13) and be connected, even be provided with second bolt (15) on cover (12) perpendicularly, threaded connection has lock nut (16) on second bolt (15).

2. The connecting piece clamp tool according to claim 1, wherein mounting holes (71) are circumferentially distributed around the central hole (7), and the central column (8) and the clamp body (2) are fixedly connected with the mounting holes (71) through the central hole (7) by screws.

3. The connector clamp tooling of claim 1, wherein the first bolt (10) is positioned inside the connecting cover (12) and is provided with a cylindrical pin (18), and the outer side wall of the cylindrical pin (18) comprises a driving washer.

4. A connector clamp tooling according to claim 3 wherein a shim plate (14) is provided between the first bolt (10) and the upper end of the connecting cover (12) to avoid wear between the first bolt (10) and the connecting cover (12).

5. The connecting piece fixture tool according to claim 1, wherein a damping device (21) is arranged at the upper end of the connecting cover (12), and the damping device (21) is assembled with the large fork lug of the workpiece to reduce vibration during subsequent processing of the large fork lug.

6. The connecting piece fixture tool according to claim 1, wherein the cross section of the base (1) is of a rectangular structure, lifting bolts (17) are arranged on corners of the base (1), and a plurality of through holes are formed in the base (1) in a penetrating mode so that the base (1) is fixedly connected with a workbench of a milling machine.

7. The connecting piece fixture tool according to claim 1, wherein a zero block (20) is arranged on the upper side wall of the fixture body (2), one end of the zero block (20) is located in the fixture body (2), and the other end of the zero block is located outside the fixture body (2).