CN218856276U

CN218856276U - Motorcycle water pump shell lathe fixture

Info

Publication number: CN218856276U
Application number: CN202222511277.3U
Authority: CN
Inventors: 夏阳; 曹国庆; 彭海林; 衡正权
Original assignee: Nanjing Jincheng Mikuni Machinery & Electronics Co ltd
Current assignee: Nanjing Jincheng Mikuni Machinery & Electronics Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-14
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a motorcycle water pump shell lathe fixture, which comprises a fixedly installed disc and an adapter connected with a hydraulic pull rod of a machine tool spindle, wherein the disc is provided with a first supporting seat, a pressing plate used for clamping the water pump shell, a second supporting seat matched with the pressing plate and an elastic positioning pin matched with a through hole of the water pump shell; the pressing plate is rotationally connected with a hinge seat fixed on the disc and is connected with the adapter through a transmission structure; the pressing plate is provided with a long round hole which is in sliding connection with the transmission structure, the transmission structure pushes the pressing plate to rotate around the connecting point of the hinge base when moving in the vertical direction, and relative sliding and rotation occur between the transmission structure and the pressing plate. The utility model discloses an adapter drives transmission structure and removes in vertical direction, promotes the clamp plate and rotates around the hinge seat, realizes that the clamp plate opens or closes, accomplishes specific motorcycle water pump shell clamping, simple structure, the operation of being convenient for.

Description

Motorcycle water pump shell lathe fixture

Technical Field

The utility model relates to a turning attachment especially relates to a motorcycle water pump shell turning attachment.

Background

As shown in fig. 1, a conventional motorcycle water pump housing needs to be machined, and as the clamping problem is not considered when a product is designed, and no process lug design is performed, the clamping of the product by universal clamping cannot be performed.

The non-universal hydraulic fixture who adopts is mostly the clamp plate of activity when adding man-hour abnormal structure such as pump case among the prior art, and the clamp plate adopts hinge structure and hydraulic stem to be connected, and this kind of connected mode need adopt the multistage connecting rod, and the structure is complicated and higher to each connecting piece required precision. In addition, in the prior art, a large pressing plate stroke needs to be kept for smoothly installing and moving out the workpiece to be processed, and if the hole opening position of the workpiece to be processed is clamped, the opening and closing angle is too large easily, so that the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a anchor clamps that is used for lathe processing motorcycle water pump shell.

The technical scheme is as follows: the utility model provides a motorcycle water pump shell lathe fixture, including the connection dish of installing on the lathe, with the disc of connection dish fixed connection, form the cavity between disc and the connection dish, its characterized in that still includes the adapter of being connected with lathe main shaft hydraulic pull rod, be equipped with several first supporting seat that contacts with the bottom surface of water pump shell, several locating pin, several clamp plate and the second supporting seat that cooperates with the clamp plate that are used for pressing from both sides tight water pump shell on the disc with the through-hole matched with of water pump shell; the pressing plate is rotationally connected with a hinge base fixed on the disc and is connected with the adapter through a transmission structure; the disc is provided with a shaft hole matched with the transmission structure, and the pressing plate is provided with a long round hole in sliding connection with the transmission structure; when the transmission structure moves along the vertical direction, the pressing plate is pushed to rotate around the hinge base connecting point, and the transmission structure and the pressing plate slide and rotate relatively.

Preferably, the transmission structure comprises a connecting rod and a pull rod, the connecting rod is fixedly connected with the adapter through a mortise and tenon structure and a pin shaft, the pull rod is connected with the pressing plate through the matching of the pin shaft and the long round hole, and the connecting rod is fixedly connected with the pull rod through a matched mortise and tenon structure and a pin shaft.

Preferably, the connecting rod is arranged in a cavity between the circular disc and the connecting disc, and the moving stroke of the pressing plate is limited by contacting with the inner end face of the circular disc, so that the clamping of a workpiece to be machined is prevented from being influenced by the overlarge opening and closing angle of the pressing plate.

Preferably, the supporting seat is fixedly installed on the disc through screws, and the supporting seat can be installed through screws installed at the bottom or through screws installed at two sides.

Preferably, the positioning pin is installed on the disc through the installation seat, the installation seat is fixedly connected with the disc through a screw, a through hole for installing the positioning pin is formed in the installation seat, a spring connected with the bottom of the positioning pin is arranged in the through hole, and a fixed plug is arranged below the spring, so that a workpiece can be conveniently clamped.

Preferably, the number of the pressing plates is two, and two pull rods connected with the pressing plates are respectively connected with two ends of the connecting rod.

Preferably, the height of each pressure plate is determined by the length of the vertical part of the transmission structure and the height of the hinge seat, and the height of each pressure plate is adapted to the position of each clamping point on the upper surface of the water pump shell of the motorcycle.

Preferably, the adapter is in threaded connection with a hydraulic pull rod of a machine tool spindle.

Preferably, the connecting rod and the pull rod can be welded into a whole.

Preferably, split retaining rings are arranged at two ends of each pin shaft, so that the pin shafts are axially fixed.

The working principle is as follows: when the hydraulic pull rod works, the transmission structure is driven by the adapter to move in the vertical direction, the transmission structure is limited by the disc shaft hole to have no displacement in the horizontal direction, a pin shaft connected between the transmission structure and the pressing plate slides in the long circular hole of the pressing plate, and the pressing plate is pushed to rotate around the hinge base, so that the pressing plate is opened or closed; when the pressing plate is opened, the workpiece to be machined is taken out or put in, the workpiece to be machined is clamped and positioned through the supporting seat and the pressing plate, and the accurate angle positioning is realized through the positioning pin; when the pressing plates are closed, the workpiece to be processed is clamped, and the processing operation can be started.

Has the advantages that: compared with the prior art, the utility model, have following advantage: 1. the long round hole and the pin shaft are utilized to realize the relative sliding and rotating connection between the pressing plate and the transmission structure, the linear motion of the transmission structure is directly converted into the rotation of the pressing plate, and the structure is simple; 2. the elastic positioning pin is arranged, so that the clamping angle of the workpiece to be machined can be accurately positioned while the workpiece to be machined is clamped conveniently; 3. the inner end of the disc is utilized to additionally limit the stroke of the transmission structure, so that the clamping of the workpiece to be machined is prevented from being influenced due to the overlarge opening and closing angle of the pressing plate.

Drawings

FIG. 1 is a schematic structural view of a water pump housing of a motorcycle for substitute machining;

fig. 2 is a top view of the structure of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of the present invention;

fig. 4 is a sectional view of the utility model taken along line B-B;

FIG. 5 is a cross-sectional view of the present invention taken along line C-C;

fig. 6 is a cross-sectional view of the present invention taken along line D-D;

figure 7 is a schematic view of an adapter structure;

FIG. 8 is a schematic view of a connecting rod structure;

FIG. 9 is a cross-sectional view of the connecting rod E-E;

FIG. 10 is a schematic view of a pull rod structure;

FIG. 11 is a front view of a water pump housing of a motorcycle in a clamped state;

fig. 12 is a plan view of the water pump housing of the motorcycle in a clamping state.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 2-12, the lathe fixture for the water pump housing of the specific motorcycle comprises a coupling disc 1 installed on a machine tool, a circular disc 2 fixedly connected with the coupling disc 1 and an adapter 3 connected with a hydraulic pull rod of the machine tool, wherein a cavity is formed between the circular disc 2 and the coupling disc 1.

The disc 2 is provided with two first supporting seats 4 which are contacted with the bottom surface of the water pump shell and are used for supporting the shell. Three groups of elastic locating pin groups 5 are also arranged on the disc 2 and are matched with the through holes on the shell to realize the accurate location of the clamping angle of the shell; the elastic locating pin group 5 comprises a mounting seat 52 fixedly mounted on the disc, a through hole is formed in the center of the mounting seat 52, the peripheral side of the mounting seat is fixed through a screw, a plug 53 is arranged below the through hole, and a spring 54 and a locating pin 51 connected with the spring 54 are arranged above the plug 53. The disc 2 is further provided with two pressing plates 6 used for clamping a water pump shell, a second supporting seat 7 matched with the pressing plates 6 and a hinge seat 8, the pressing plates 6 are bent, one ends of the pressing plates are rotatably connected with the hinge seat 8, the other ends of the pressing plates correspond to the second supporting seat 7 in a movable mode from top to bottom, and long round holes 61 are formed in the bent positions.

The adapter 3 is connected with a hydraulic pull rod of the machine tool through threads, the position of the adapter is adjustable, and the upper part of the adapter is connected with a connecting rod 91. The upper part of the adapter 3 is a flat adapter, and a hole is formed in the center; a slotted hole 911 is formed in the center of the connecting rod 91, and a through hole 912 is formed in the vertical slotted hole; the mortise and tenon structure formed by the slotted hole 911 and the joint and the pin shaft in the through hole are fixedly connected. The link 91 is disposed in a cavity between the disc 2 and the connecting plate 1 and is restrained by an inner end surface of the moving disc 2.

The two ends of the connecting rod 91 are provided with a slot 913 and a through hole 914 perpendicular to the slot, and the two segments of the pull rod 92 are fixedly connected through a mortise and tenon joint structure respectively. The other end of the pull rod 92 is provided with a groove which is adaptive to the thickness of the pressing plate 6, a through hole 921 is arranged perpendicular to the groove, and a pin shaft is arranged at the overlapping part of the through hole and the long circular hole 61 of the pressing plate when the pull rod 92 and the pressing plate 6 are assembled. The pull rod 92 passes through the disc 2, and the disc 2 is provided with a corresponding through hole which can limit the horizontal movement.

Each supporting seat is arranged dispersedly on the disc 2, so that the stress balance of the workpiece to be machined is ensured, the two pressing plates 6 are respectively arranged at the positions corresponding to the special-shaped hole and the end part of the non-machined surface of the workpiece to be machined, the height of the pressing plates 6 is adapted to the thickness of the specific position of the workpiece to be machined, namely, the length of the pull rod 92, the height of the hinge seat 8 and the height of the supporting seat 7 corresponding to each pressing plate 6 are adapted to the thickness of the workpiece to be machined at the pressing position. Split retainer rings are arranged at two ends of each pin shaft in the device, so that the pin shafts are axially fixed.

When the device is used, the hydraulic pull rod works, the connecting rod 91 and the pull rod 92 are driven to move in the vertical direction through the adapter 3, the pull rod 92 is limited by the shaft hole of the disc 2 to have no displacement in the horizontal direction, a pin shaft connected between the pull rod 92 and the pressing plate 6 slides in the long circular hole 61 of the pressing plate, the pressing plate 6 is pushed to rotate around the hinge base 8, and the pressing plate 6 is opened or closed; when the pressing plate 6 is opened, a workpiece to be machined is taken out or put in, the workpiece to be machined is clamped and positioned through the supporting seats and the pressing plate 6, and the angle is accurately positioned through the positioning pin group 5; when the pressing plates 6 are closed, the workpiece to be processed is clamped, and the processing operation can be started.

Claims

1. A motorcycle water pump housing lathe clamp comprises a connecting disc (1) installed on a machine tool and a disc (2) fixedly connected with the connecting disc (1), wherein a cavity is formed between the disc (2) and the connecting disc (1), a plurality of first supporting seats (4) contacted with the bottom surface of a water pump housing, a plurality of pressing plates (6) used for clamping the water pump housing and second supporting seats (7) matched with the pressing plates are arranged on the disc (2), and the pressing plates (6) are rotatably connected with hinge seats (8) fixed on the disc (2); the hydraulic pressure clamping device is characterized by further comprising an adapter (3) in threaded connection with a hydraulic pull rod of a machine tool spindle, wherein the pressing plate (6) is connected with the adapter (3) through a transmission structure (9); the disc (2) is also provided with a plurality of elastic positioning pins (51) matched with the through holes of the water pump shell, a shaft hole matched with the transmission structure (9) and an end surface for limiting the movement of the shaft hole; the pressing plate (6) is provided with a long round hole (61) which is in sliding connection with the transmission structure (9), the transmission structure (9) pushes the pressing plate (6) to rotate around a connecting point of the hinge base (8) when moving in the vertical direction, and relative sliding and rotation occur between the transmission structure (9) and the pressing plate (6).

2. Motorcycle water pump housing lathe clamp according to claim 1, characterized in that said transmission structure (9) comprises a horizontal tie rod (91) and a vertical tie rod (92); the connecting rod (91) is arranged in the cavity and is fixedly connected with the adapter (3) through a mortise and tenon joint structure and a pin shaft; the pull rod (92) is matched with the long round hole (61) through a pin shaft to realize connection with the pressure plate (6); the connecting rod (91) is fixedly connected with the pull rod (92) through a matched tenon-and-mortise structure and a pin shaft.

3. The motorcycle water pump housing lathe jig of claim 2, wherein the connecting rod (91) is provided in a cavity between the disc (2) and the coupling disc (1), and the moving stroke of the pressure plate (6) is limited by contact with the inner end surface of the disc (2).

4. Motorcycle water pump housing lathe fixture according to claim 1, characterized in that the first support seat (4) and the second support seat (7) are fixedly mounted on the disc (2) by means of bottom mounted screws or both side mounted screws.

5. The motorcycle water pump housing lathe fixture as claimed in claim 1, wherein the positioning pin (51) is mounted on the disc (2) through a mounting seat (52), the mounting seat (52) is fixedly connected with the disc (2) through a screw, a through hole for mounting the positioning pin (51) is formed in the center of the mounting seat (52), a spring (54) connected with the bottom of the positioning pin (51) is arranged in the through hole, and a fixed plug (53) is arranged below the spring (54).

6. Motorcycle water pump housing lathe fixture according to claim 2, characterized in that the pressure plate (6) is provided with two, and two tie rods (92) connected with the pressure plate (6) are respectively connected with both ends of the connecting rod (91).

7. Motorcycle water pump housing lathe fixture according to claim 1, characterized in that the height of the pressure plate (6) is determined by the length of the vertical part of the transmission structure (9) and the height of the hinge seat (8), which is adapted to the position of each clamping point of the upper surface of the motorcycle water pump housing.

8. Motorcycle water pump housing lathe fixture according to claim 2, characterized in that said connecting rod (91) and tie rod (92) can also be welded as one piece.

9. A motorcycle water pump housing lathe fixture as claimed in any one of claims 2 and 3, wherein split collars are provided at both ends of the pin shaft.