CN209272974U - A kind of positioning fixture - Google Patents

A kind of positioning fixture Download PDF

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Publication number
CN209272974U
CN209272974U CN201821967926.8U CN201821967926U CN209272974U CN 209272974 U CN209272974 U CN 209272974U CN 201821967926 U CN201821967926 U CN 201821967926U CN 209272974 U CN209272974 U CN 209272974U
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CN
China
Prior art keywords
positioning
positioning plate
push rod
cone
lever
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Active
Application number
CN201821967926.8U
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Chinese (zh)
Inventor
郗文龙
尚景毅
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Guan Taijielong Mechanical And Electrical Equipment Co Ltd
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Guan Taijielong Mechanical And Electrical Equipment Co Ltd
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Application filed by Guan Taijielong Mechanical And Electrical Equipment Co Ltd filed Critical Guan Taijielong Mechanical And Electrical Equipment Co Ltd
Priority to CN201821967926.8U priority Critical patent/CN209272974U/en
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Publication of CN209272974U publication Critical patent/CN209272974U/en
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Abstract

The utility model discloses a kind of positioning fixtures, belong to machining center production corollary equipment field, it is intended to convenient for carrying out processing positioning to connecting lever, its key points of the technical solution are that including upper ejector pin and lower push rod, epicone is installed on the upper ejector pin, lower cone is installed on the lower push rod, the fixed restraining position ring block in lower push rod side, it is arranged on the lower push rod and contacts at stop collar towards the positioning plate on upper ejector pin end face, offered on the positioning plate accommodate lower cone across relief hole, the positioning plate side offers locating slot, the locating slot runs through positioning plate along positioning plate thickness direction, the positioning plate is detachably connected with stop collar.The utility model solves the problems, such as that initial position is not easy to accurately determine when the processing of the tooth socket on connecting lever.

Description

A kind of positioning fixture
Technical field
The utility model relates to machining centers to produce fixed equipment field, in particular to a kind of positioning fixture.
Background technique
Connecting lever is one of common component on mechanical equipment.
As shown in Figure 1, needing to process tooth socket 61 in parts to be processed side when connecting lever 6 produces, with a batch of to be processed It is ensured that the initial manufacture position of tooth socket 61 is fixed when tooth socket 61 on part produces.Existing fixture is provided with 4 He of upper ejector pin Lower push rod 3, the epicone 41 being wholely set on upper ejector pin 4 in insertion connecting lever fabrication hole have been wholely set insertion on lower push rod 3 and have turned Lower cone 31 in arm fabrication hole, initial position is not easy to accurate determination when the tooth socket 61 on connecting lever 6 is processed.
Utility model content
The purpose of this utility model is to provide a kind of positioning fixture, have convenient for carrying out the excellent of processing positioning to connecting lever Point.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of positioning fixture, packet Upper ejector pin and lower push rod are included, epicone is installed on the upper ejector pin, lower cone, the lower push rod side are installed on the lower push rod Fixed restraining position ring block is arranged on the lower push rod and contacts at stop collar towards the positioning plate on upper ejector pin end face, the positioning Offered on plate accommodate lower cone across relief hole, the positioning plate side offers locating slot, and the locating slot is along positioning plate Thickness direction runs through positioning plate, and the positioning plate is detachably connected with stop collar.
By using above-mentioned technical proposal, after lower push rod is fixed on machining center, positioning plate is passed through into lower tapered sleeve and is set to down Mandril compresses positioning plate with stop collar, is then fixedly connected with positioning plate with stop collar, by the positioning work of connecting lever to be processed Skill hole is put on lower cone, then rotates connecting lever, and the connecting lever other end is put into locating slot, by epicone insertion connecting lever far from lower cone Positioning process hole in, positioned so that connecting lever be clamped, accurate positioning is convenient, it is ensured that initial position when processing to connecting lever It is identical.
The utility model is further arranged to: the positioning ring of insertion relief hole is fixed on the lower cone bottom surface, it is described fixed Position ring is fixedly connected far from one end of lower cone with stop collar.
By using above-mentioned technical proposal, when positioning plate is sheathed on lower cone, positioning ring is embedded in relief hole, positioning ring It is arranged and improves the stability that positioning plate is connect with lower push rod.
The utility model is further arranged to: one end on the lower push rod far from lower push rod is installed with the tune of fixed setting Save swivel nut.
By using above-mentioned technical proposal, lower push rod is rotated, adjusts and is overlapped length between lower push rod and Adjusting bolt Adjusting screw, adjust The position of lower push rod and connecting lever junction is easy to use fixture to clamp connecting lever and positions.
The utility model is further arranged to: the positioning groove bottom is provided with semicolumn slot.
By using above-mentioned technical proposal, the setting of semicolumn slot increases the contact surface of connecting lever Yu positioning plate junction Product improves the stability that connecting lever is connect with positioning plate.
The utility model is further arranged to: the locating slot notch is provided with rounded corner.
By using above-mentioned technical proposal, the setting of rounded corner improves fixture and uses convenient for connecting lever to be put into locating slot Convenience.
The utility model is further arranged to: being provided with stabilizing mechanism below the positioning plate.
By using above-mentioned technical proposal, stabilizing mechanism can be supported positioning plate, improve steady when positioning plate is placed It is qualitative.
The utility model is further arranged to: the stabilizing mechanism includes the stabilizer of fixed setting, in the stabilizer It is installed with stability column.
By using above-mentioned technical proposal, slow-roll stabilization column adjusts and is overlapped length between stability column and stabilizer, makes steady Fixed column and positioning plate contradict, to realize support of the stability column to positioning plate.
The utility model is further arranged to: being installed on the stability column and is compressed with the side of positioning plate towards stop collar Stable disk.
By using above-mentioned technical proposal, stable disk increases the contact area of stability column and positioning plate, further increases Stability when positioning plate uses.
The utility model is further arranged to: the connection bolt that rotation is set to stop collar is equipped on the positioning plate.
By using above-mentioned technical proposal, connection bolt is passed through into positioning plate back spin and is set in stop collar to realize positioning Plate and stop collar are detachably connected, and connection structure is simple, convenient for disassembly and assembly.
In conclusion the utility model has the following beneficial effects:
1, after lower push rod is fixed on machining center, positioning plate is passed through into lower tapered sleeve and is set to lower push rod, makes positioning plate and limit Ring compresses, and is then fixedly connected with positioning plate with stop collar, the positioning process hole of connecting lever to be processed is put on lower cone, then Connecting lever is rotated, the connecting lever other end is put into locating slot, epicone is inserted into the positioning process hole far from lower cone of connecting lever, thus Connecting lever is clamped and is positioned, accurate positioning is convenient, it is ensured that initial position when processing to connecting lever is identical;
2, when positioning plate being sheathed on lower cone, positioning ring is embedded in relief hole, and the setting of positioning ring improves positioning plate under The stability of mandril connection;
3, the setting of semicolumn slot increases the contact area of connecting lever Yu positioning plate junction, improves connecting lever and positioning plate connects The stability connect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the prior art;
Fig. 2 is the overall structure diagram of embodiment 1;
Fig. 3 is the perspective view of the explosion of embodiment 1.
In figure, 1, positioning plate;11, relief hole;12, locating slot;13, semicolumn slot;14, rounded corner;15, connecting hole;2, Stop collar;21, positioning ring;3, lower push rod;31, lower cone;32, Adjusting bolt Adjusting screw;4, upper ejector pin;41, epicone;5, stabilizing mechanism;51, Stabilizer;52, stability column;53, stable disk;6, connecting lever;61, tooth socket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.
Embodiment 1
A kind of positioning fixture, as shown in Fig. 2, including the epicone 41 pressed on 6 fabrication hole of connecting lever, epicone 41 is far from connecting lever 6 one end has been wholely set upper ejector pin 4, and upper ejector pin 4 has been wholely set upper terminal pad far from one end of epicone 41, in upper terminal pad Screw there are three wearing for the connection of upper terminal pad.
As shown in figure 3, lower cone 31 has been compressed on end face of the connecting lever 6 far from epicone 41, on 31 end faces far from connecting lever 6 of lower cone It is wholely set lower push rod 3,3 side of lower push rod is provided with external screw thread far from lower bore at 31, the one end of lower push rod 3 far from lower cone 31 Outside is installed with Adjusting bolt Adjusting screw 32, and 32 bottom surface of Adjusting bolt Adjusting screw is provided with lower terminal pad, is equipped in lower terminal pad by lower terminal pad The screw being connected on lathe, screw are not drawn into the accompanying drawings.
As shown in figure 3,3 side of lower push rod is wholely set restraining position ring block 2, stop collar 2 is towards one on the end face of lower cone 31 It is provided with the positioning ring 21 being overlapped with 3 center line of lower push rod, the diameter of positioning ring 21 is equal to 31 basal diameters of lower cone, positioning ring 21 It is wholely set with lower cone 31.
As shown in figure 3, stop collar 2 is towards compressing the positioning plate 1 for being sheathed on 21 outside of positioning ring on the end face of cone, it is fixed Position plate 1 is square plate, and the relief hole 11 for accommodating positioning ring 21 is offered on positioning plate 1.
As shown in figure 3,1 side of positioning plate offers locating slot 12, locating slot 12 is through positioning plate 1 along 11 center of relief hole The both ends of the surface in line direction, 12 bottom surface of locating slot offer semicolumn slot 13, and the width of semicolumn slot 13 is equal to the width of locating slot 12 Degree and bottom surface are cambered surface.Rounded corner 14 is provided at the port of locating slot 12, the setting of rounded corner 14 is convenient for the handle of connecting lever 6 It is put into locating slot 12, improves the convenience that the positioning fixture uses.
As shown in Fig. 2, the end face of positioning plate 1 towards stop collar 2, which is provided with support positioning plates 1, improves 1 stability of positioning plate Stabilizing mechanism 5.
As shown in figure 3, stabilizing mechanism 5 includes contacting at stable disk 53 of the positioning plate 1 towards 2 end face of stop collar, stable disk 53 can increase the contact area of stabilizing mechanism 5 Yu positioning plate 1, stable disk 53 be wholely set on the end face of positioning plate 1 with Positioning disk coaxial stability column 52 is installed with stabilizer 51 on the outside of stability column 52, and stabilizer 51 is on the end face of stable disk 53 It is wholely set stabilizing ring, stabilizing ring is fixed on lathe using screw, and screw is not drawn into the accompanying drawings.
As shown in figure 3, being opened up on positioning plate 1 there are three connecting hole 15, it is equipped with rotation in connecting hole 15 and is set on stop collar 2 Connection bolt, connection bolt be not drawn into the accompanying drawings.
A kind of positioning fixture, the course of work are as follows:
Positioning plate 1, which is sheathed on the outside of positioning ring 21, contradicts 1 end face of positioning plate with stop collar 2, rotary spacing ring 2, limit Position ring 2 drives lower push rod 3 to rotate around Adjusting bolt Adjusting screw 32, is overlapped length so as to adjust between lower push rod 3 and Adjusting bolt Adjusting screw 32, from And realize the adjustment of 31 positions of lower cone;Connection bolt is passed through 15 back spin of connecting hole to be set on stop collar 2, to realize positioning plate 1 connect with the compression of stop collar 2;
Slow-roll stabilization column 52, adjusts the coincidence distance of stability column 52 and stabilizer 51, and stability column 52 drives stable disk 53 to move It is dynamic, stable disk 53 and positioning plate 1 are contradicted, the stability of positioning plate 1 is improved;
By the fabrication hole of connecting lever 6 it is corresponding with lower cone 31 after, while rotating connecting lever 6 to certain angle along 31 center lines of lower cone Afterwards, 6 fabrication hole of connecting lever is inserted into lower cone 31, while in the handle portion insertion locating slot 12 of connecting lever 6, the setting of rounded corner 14 It is embedded in locating slot 12 convenient for connecting lever 6, semicolumn slot 13 is corresponding with 6 handle of connecting lever, improves 6 handle portion of connecting lever and positioning plate 1 Contact area, improve the fixed stability of connecting lever 6;
The upper ejector pin 4 being fixed on lathe is mobile, make lower cone 31 is corresponding with the fabrication hole of connecting lever 6 to compress, to realize The positioning of connecting lever 6 is clamped.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of positioning fixture, including upper ejector pin (4) and lower push rod (3), epicone (41), institute are installed on the upper ejector pin (4) It states and is installed with lower cone (31) on lower push rod (3), it is characterised in that: the fixed restraining position ring block in lower push rod (3) side (2), it is described It is arranged on lower push rod (3) and contacts at stop collar (2) towards the positioning plate (1) on upper ejector pin (4) end face, the positioning plate (1) On offer and accommodate the relief hole (11) that lower cone (31) passes through, positioning plate (1) side offers locating slot (12), described fixed Position slot (12) runs through positioning plate (1) along positioning plate (1) thickness direction, and the positioning plate (1) is detachably connected with stop collar (2).
2. a kind of positioning fixture according to claim 1, it is characterised in that: be fixed with insertion on described lower cone (31) bottom surface The positioning ring (21) of relief hole (11), the positioning ring (21) are fixedly connected far from one end of lower cone (31) with stop collar (2).
3. a kind of positioning fixture according to claim 1, it is characterised in that: far from lower push rod (3) on the lower push rod (3) One end be installed with the Adjusting bolt Adjusting screw (32) of fixed setting.
4. a kind of positioning fixture according to claim 1, it is characterised in that: locating slot (12) bottom surface is provided with semicircle Column slot (13).
5. a kind of positioning fixture according to claim 4, it is characterised in that: locating slot (12) notch is provided with rounding Angle (14).
6. a kind of positioning fixture according to claim 1, it is characterised in that: be provided with stabilization below the positioning plate (1) Mechanism (5).
7. a kind of positioning fixture according to claim 6, it is characterised in that: the stabilizing mechanism (5) includes fixed setting Stabilizer (51), is installed with stability column (52) in the stabilizer (51).
8. a kind of positioning fixture according to claim 7, it is characterised in that: be installed with and position on the stability column (52) The stable disk (53) that the side of plate (1) towards stop collar (2) compresses.
9. a kind of positioning fixture according to claim 1, it is characterised in that: be equipped with rotation on the positioning plate (1) and be set to The connection bolt of stop collar (2).
CN201821967926.8U 2018-11-27 2018-11-27 A kind of positioning fixture Active CN209272974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821967926.8U CN209272974U (en) 2018-11-27 2018-11-27 A kind of positioning fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821967926.8U CN209272974U (en) 2018-11-27 2018-11-27 A kind of positioning fixture

Publications (1)

Publication Number Publication Date
CN209272974U true CN209272974U (en) 2019-08-20

Family

ID=67602817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821967926.8U Active CN209272974U (en) 2018-11-27 2018-11-27 A kind of positioning fixture

Country Status (1)

Country Link
CN (1) CN209272974U (en)

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