CN217667941U

CN217667941U - Combined clamp for machining engine right cover

Info

Publication number: CN217667941U
Application number: CN202221224178.0U
Authority: CN
Inventors: 付凯
Original assignee: Chongqing Kaijiuxi Technology Co ltd
Current assignee: Chongqing Kaijiuxi Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-10-28
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a combined clamp for processing an engine right cover, which comprises a clamp seat (1), a first clamp unit (2) and a second clamp unit (3); the clamp seat (1) is provided with a flat plate (1-1) and a vertical plate (1-2); the first clamp unit (2) is arranged on the flat plate (1-1); the second clamp unit (3) is arranged on the vertical plate (1-2); the first clamp unit (2) comprises a first supporting block (2-1), two first positioning pins (2-2) and a first lever cylinder (2-3); the second clamp unit (3) comprises a second supporting block (3-1), four second limiting pins (3-2) and a second lever cylinder (3-3). The utility model discloses can be used to simultaneous processing behind a plurality of engine right lids combination clamping, it is concentrated to reach the process, can improve work efficiency and reduction in production cost.

Description

Combined clamp for machining engine right cover

Technical Field

The utility model relates to a modular fixture of engine right side lid processing.

Background

Referring to fig. 1-2, the right cover (N) of the engine is originally machined by a conventional special machine tool, and the upper process of the right cover of the engine comprises four processes of machining a clutch hole (N-4), a starting shaft hole (N-5), a water pump hole (N-6) and an external filter element hole (N-7). Therefore, four machine tools and four sets of clamps need to be configured, so that the problems of long clamping work time, dispersed working procedures, low working efficiency, repeated transportation, occupied space, high cost and the like are caused.

And when changing into numerical control machining center (like four-axis numerical control machine tool) processing and exist original anchor clamps and can not be general, can not satisfy the technical requirement that the processing was concentrated to the process, need consider the problem that combined machining can normally feed simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defect problem or a plurality of defect problems that exist among the prior art, the utility model provides a modular fixture of engine right shroud processing.

In order to realize the purpose, the utility model provides a modular fixture of engine right side lid processing which characterized in that: the clamp comprises a clamp seat, a first clamp unit and a second clamp unit; the fixture base is provided with a flat plate and a vertical plate; the first clamp unit is arranged on the flat plate; the second clamp unit is arranged on the vertical plate; the first clamp unit comprises a first supporting block, two first positioning pins and a first lever cylinder; the first supporting block is fixed on the flat plate and used for supporting the combination surface of the engine right cover in a horizontal state, the two first positioning pins are fixed on the flat plate and used for being respectively inserted into two side holes of the engine right cover, and the first lever cylinder is installed on the flat plate and used for tightly pressing a side table of the engine right cover; the second clamp unit comprises a second supporting block, four second limiting pins and a second lever cylinder; the second supporting block is fixed on the vertical plate and is used for supporting the combining surface of the engine right cover in a vertical state; the four second limiting pins are fixed on the vertical plate and distributed in a quadrilateral shape, and the four second limiting pins are respectively used for limiting four side platforms of the right cover of the engine; the second lever cylinder is arranged on the vertical plate and is used for pressing the side table of the right cover of the engine.

By adopting the scheme, the first clamp unit is used for clamping the combination surface of the first engine right cover in a horizontal state. And when the first clamp unit is used for clamping, the first supporting block supports the combination surface of the engine right cover in a horizontal state, the two first positioning pins are respectively inserted into two side holes of the engine right cover for positioning, the first engine right cover is positioned and pressed by starting the first lever cylinder and pressing a side table of the engine right cover, and the starting shaft hole, the water pump hole and the external filter element hole of the first engine right cover are machined after positioning and clamping.

The second clamp unit is used for clamping the combination surface of the right cover of the second engine in a vertical state; when the second clamp unit is used for clamping, the second supporting block supports a joint surface of a second vertical engine right cover, the four second limiting pins are respectively used for limiting four side platforms of the engine right cover, and at the moment, four different directions of the engine right cover are limited by the outer limiting pins for positioning; pressing the edge platform of the right cover of the second engine by starting the second lever cylinder; and when the right cover of the second engine is clamped, the clutch hole can be machined.

Therefore, when the clamp is arranged on a workbench of a numerical control machining center, the clutch hole of the second engine right cover on the clamp and the starting shaft hole of the first engine right cover, the water pump hole and the external filter element hole are vertical and parallel to each other in direction, the clamp can automatically change tools due to the numerical control machining center, after a machining program is set, the clutch hole, the starting shaft hole, the water pump hole and the external filter element hole can be automatically machined, and the clamp is reasonable in layout and can be normally machined without touching a tool. Therefore, the clamp can be used for being arranged on a workbench of a numerical control machining center to realize the combined machining of different positions of double workpieces at one time, and has the advantages of being capable of reducing clamping working hours, concentrated in working procedures, high in machining efficiency, free of transfer, low in cost and the like.

Preferably, the clamp seat is provided with a flat plate and two vertical plates; the first clamp unit is provided with two clamps which are arranged on the flat plate side by side; the two vertical plates are fixed on the flat plate and are oppositely arranged at intervals; the second clamp units are provided with two second clamp units which are symmetrically arranged on the opposite surfaces of the two vertical plates. Because two first fixture units are arranged on the flat plate side by side and two second fixture units are arranged on opposite surfaces of the two vertical plates, four right engine covers can be clamped on the four fixtures, the layout is reasonable, four workpieces are processed simultaneously, and the production efficiency can be greatly improved.

Preferably, the first supporting blocks have five and are distributed at intervals along the circumferential direction of the combining surface of the engine right cover. Because five supports are adopted, the combination surface of the right cover of the engine can be improved to have a plurality of supports, and the engine is more stable in compression.

Preferably, the first lever cylinders have three and are distributed in a triangular manner. The three parts can be simultaneously compressed, the firm reliability after compression can be ensured, and meanwhile, the multidirectional looseness prevention can be avoided.

Preferably, the first clamp unit further includes three first stopper pins; the three first limiting pins are fixed on the flat plate and distributed in a triangular manner; the three first limiting pins are respectively used for limiting three side platforms of a right cover of the engine in a pressing mode. The three first limiting pins can limit and position three points of the three side platforms of the right cover of the compression engine, and meanwhile vibration can be avoided during machining.

Preferably, the first limit pin comprises a pin rod and a swing block, and one end of the swing block is fixed on the flat plate through a bolt; the lower end of the pin rod is fixedly connected with the other end of the swinging block.

Preferably, the second supporting blocks have six and are distributed at intervals along the circumferential direction of the combining surface of the engine right cover. Because five supports are adopted, the combination surface of the right cover of the engine can be improved to have a plurality of supports, and the engine is more stable in compression.

Preferably, the second lever cylinders have three and are distributed in a triangular manner. The three parts can be simultaneously compressed, the firm reliability after compression can be ensured, and the multidirectional looseness prevention can be avoided.

Preferably, the fixture seat is mounted on a rotary positioner.

The utility model discloses beneficial effect: the clamp can be used for being arranged on a workbench of a numerical control machining center to realize the combined machining of different positions of a plurality of workpieces at one time, and has the advantages of being capable of reducing the clamping working hours, concentrated in working procedures, high in machining efficiency, free of transfer, low in cost and the like.

Drawings

Fig. 1-2 are perspective views of the right engine cover.

Fig. 3 is a front view of a modular fixture for machining a right engine cover according to an embodiment of the present invention.

Fig. 4 is a top view of a modular fixture for machining a right engine cover according to an embodiment of the present invention.

Fig. 5-6 are perspective views of a modular fixture for machining a right cover of an engine according to an embodiment of the present invention.

Fig. 7 is a front view of a combined clamp for machining a right engine cover according to an embodiment of the present invention, when positioning and pressing each right engine cover.

Fig. 8 is a top view of a modular fixture for machining a right engine cover according to an embodiment of the present invention when positioning and pressing each right engine cover.

Fig. 9-10 are perspective views illustrating a combination fixture for machining a right engine cover according to an embodiment of the present invention when positioning and pressing each right engine cover.

Fig. 11-12 are perspective views of a combined fixture for machining a right engine cover according to a second embodiment of the present invention, when positioning and pressing each right engine cover.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

the first embodiment is as follows: referring to fig. 3-6, a combined clamp for machining an engine right cover comprises a clamp seat 1, a first clamp unit 2 and a second clamp unit 3.

The fixture base 1 has a flat plate 1-1 and a vertical plate 1-2.

In the embodiment, the clamp seat 1 is provided with a flat plate 1-1 and two vertical plates 1-2; the first clamp unit 2 is provided with two clamps which are arranged on the flat plate 1-1 side by side left and right; the two vertical plates 1-2 are fixed at two ends of the flat plate 1-1 and symmetrically arranged at intervals; the holder 1 is U-shaped.

The second clamp unit 3 has two and is symmetrically arranged on the opposite surfaces of the two vertical plates 1-2. Because the two first clamp units 2 are arranged on the flat plate 1-1 side by side and the two second clamp units 3 are symmetrically arranged on the opposite surfaces of the two vertical plates 1-2, the four clamps can clamp four right engine covers N, the layout is reasonable, four workpieces are processed simultaneously, and the production efficiency can be greatly improved.

Specifically, the first clamp unit 2 includes a first support block 2-1, two first positioning pins 2-2, and a first lever cylinder 2-3.

The first support block 2-1 is fixed on the upper surface of the flat plate 1-1 and is used for supporting a combining surface N-1 of a right engine cover N in a horizontal state.

Preferably, the first supporting blocks 2-1 have five and are distributed at intervals along the circumferential direction of the combining surface N-1 of the engine right cover N. Because five supports are adopted, the combination surface N-1 of the right engine cover N can be improved, and the engine cover N is more stable in compression.

The two first positioning pins 2-2 are vertically fixed on the upper surface of the flat plate 1-1 and are used for being respectively inserted into and positioned in two side holes N-2 of the engine right cover N.

The first lever cylinder 2-3 is mounted on the plate 1-1 and is used to press the edge stand N-3 of the engine right cover N.

Preferably, the three first lever cylinders 2-3 are distributed in a triangular manner, and can compress three side platforms N-3 compressing the right engine cover N, so that three parts can be simultaneously compressed, the firm reliability after compression can be ensured, and the multi-directional looseness prevention can be avoided.

The second clamp unit 3 comprises a second supporting block 3-1, four second limiting pins 3-2 and a second lever cylinder 3-3; the second supporting block 3-1 is fixed on the vertical plate 1-2 and is used for supporting a combining surface N-1 of the right engine cover N in a vertical state, the four second limiting pins 3-2 are fixed on the vertical plate 1-2 and distributed in a quadrilateral shape, and the four second limiting pins 3-2 are respectively used for being in contact with the outer walls of the four side platforms N-3 of the right engine cover N to limit; the second lever cylinder 3-3 is fixed on the vertical plate 1-2 and is used for pressing the edge platform N-3 of the right cover N of the engine.

In addition, the first clamp unit 2 is also provided with three first limiting pins 2-4; the three first limiting pins 2-4 are fixed on the flat plate 1-1 and distributed in a triangular shape; the three first limiting pins 2-4 are respectively used for limiting three side platforms N-3 of the engine right cover N in a pressing mode. The three first limiting pins 2-4 can limit and position three points N-3 of the right cover N of the pressing engine, and can avoid vibration during processing.

Preferably, the first limit pin 2-4 comprises a pin rod 2-41 and a swing block 2-42, and one end of the swing block 2-42 is fixed on the flat plate 1-1 through a bolt 2-43; the lower end of the pin rod 2-41 is fixedly connected with the other end of the swinging block 2-42. Specifically, one end of the swing block 2-42 is provided with a bolt through hole. During clamping, the swinging blocks 2-42 can rotate to enable the pin rods 2-41 to be in contact with and limited by the edge table N-3 of the compression engine right cover N, and then the pin rods are fixed and locked by bolts, so that the compression engine right cover N can be prevented from vibrating and loosening during processing, and the processing precision can be ensured.

Preferably, the second support blocks 3-1 have six and are circumferentially spaced along the joint surface N-1 of the engine right cover N. Because five supports are adopted, a plurality of supports of the joint surface N-1 of the right engine cover N can be improved, and the engine cover N is more stable in compression.

Preferably, the second lever cylinders 3-3 have three and are distributed in a triangular shape. The three parts can be simultaneously compressed, the firm reliability after compression can be ensured, and meanwhile, the multidirectional looseness prevention can be avoided.

Specifically, the first lever cylinder 2-3 and the second lever cylinder 3-3 may adopt an existing structure. Such as model HLC-MF25, available from costang electromechanical limited, suzhou.

3-10, the utility model discloses when using, this first anchor clamps unit 2 is used for being clamped under the faying face N-1 horizontal state of first right engine cover N. When the first clamp unit 2 is used for clamping, each first supporting block 2-1 is used for simultaneously supporting a joint surface N-1 of the right engine cover N in a horizontal state, the two first positioning pins 2-2 are respectively inserted into two side holes N-2 of the right engine cover N for positioning, and the right engine cover N can be used for processing a starting shaft hole N-5, a water pump hole N-6 and a filter element external device hole N-7 after clamping by starting each first lever cylinder 2-3 and respectively pressing the side platforms N-3 of the right engine cover N in different directions in a one-to-one correspondence mode.

And the second clamp unit 3 is used for clamping the combination surface N-1 of the right engine cover N in a vertical state. When the second clamp unit 3 is used for clamping, each second supporting block 3-1 is used for simultaneously supporting a combining surface N-1 of a second engine right cover N in a vertical state, the four second limiting pins 3-2 are respectively used for four-way limiting and external contact of four side platforms N-3 of the engine right cover N, and at the moment, the four different directions of the engine right cover N are limited to be restrained and positioned; the second right engine cover N can be processed to form the clutch hole N-4 after being clamped by starting each second lever cylinder 3-3 and respectively pressing the edge platforms N-3 of the second right engine cover N in different directions in a one-to-one correspondence mode.

And because after the first clamp unit 2 is positioned and pressed on the first engine right cover N in the horizontal state, and the second clamp unit 3 is positioned and pressed on the second engine right cover N in the vertical state,

therefore, when the clamp is arranged on a workbench of a numerical control machining center, because the clutch hole N-4 of the right cover N of the second engine and the starting shaft hole N-5, the water pump hole N-6 and the external filter element hole N-7 of the right cover N of the first engine are vertical and parallel to each other, the numerical control machining center can automatically exchange tools, and after a machining program is set, the automatic machining of the clutch hole N-4, the starting shaft hole N-5, the water pump hole N-6 and the external filter element hole N-7 can be respectively realized, and because the layout is reasonable, the normal machining can be realized without tool collision. Therefore, the clamp can be used for being arranged on a workbench of a numerical control machining center to realize the combined machining of different positions of double workpieces at one time, and has the advantages of being capable of reducing clamping working hours, concentrated in working procedures, high in machining efficiency, free of transfer, low in cost and the like.

Example two: this embodiment is substantially the same as the first embodiment, except that:

referring to fig. 11-12, the fixture mount 1 is mounted on a rotary positioner 4.

Specifically, the rotary positioner 4 comprises a frame 4-1 and a rotary driving mechanism 4-2, the frame 4-1 has two relatively fixed supports 4-11, and in the first embodiment, two vertical plates 1-2 of the fixture base 1 are respectively rotatably mounted on the two supports 4-11 and concentrically rotate. The rotary driving mechanism 4-2 is used for driving the clamp seat 1 to rotate.

In an embodiment, the rotary drive mechanism 4-2 comprises a motor and an indexer, the motor is connected to the gripper seat 1 via the indexer, and the gripper seat 1 is rotated in an indexed manner, for example, by 90 ° each time.

This machine 4 is shifted in direction that is used for driving anchor clamps to this gyration, and then changeable different surface of processing and hole site, reducible clamping number of times, the process is more concentrated simultaneously, also avoids many times the clamping and the positioning error who causes, can improve product quality.

In other embodiments, the rotary driving mechanism 4-2 can be a servo motor and is connected to the gripper seat 1, and can drive the gripper seat 1 to rotate at any desired angle. Therefore, the engine oil adding port N-8 of the right engine cover N is machined after the right engine cover N is rotated for a certain angle.

Specifically, the rotary positioner 4 may adopt an existing structure. Such as model CNC-250R from Asahi Yangji (Jiashan) Co.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the principles of this invention without the use of inventive faculty. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a modular fixture of engine right shroud processing which characterized in that: comprises a clamp seat (1), a first clamp unit (2) and a second clamp unit (3);

the clamp seat (1) is provided with a flat plate (1-1) and a vertical plate (1-2); the first clamp unit (2) is arranged on the flat plate (1-1); the second clamp unit (3) is arranged on the vertical plate (1-2);

the first clamp unit (2) comprises a first supporting block (2-1), two first positioning pins (2-2) and a first lever cylinder (2-3); the first supporting block (2-1) is fixed on the flat plate (1-1) and is used for supporting a combination surface (N-1) of a right engine cover (N) in a horizontal state, the two first positioning pins (2-2) are fixed on the flat plate (1-1) and are respectively inserted into two side holes (N-2) of the right engine cover (N), and the first lever cylinder (2-3) is installed on the flat plate (1-1) and is used for pressing a side table (N-3) of the right engine cover (N);

the second clamp unit (3) comprises a second supporting block (3-1), four second limiting pins (3-2) and a second lever cylinder (3-3); the second supporting block (3-1) is fixed on the vertical plate (1-2) and is used for supporting a combining surface (N-1) of the engine right cover (N) in a vertical state; the four second limiting pins (3-2) are fixed on the vertical plate (1-2) and distributed in a quadrilateral shape, and the four second limiting pins (3-2) are respectively used for limiting four side platforms (N-3) of the right cover (N) of the engine; the second lever cylinder (3-3) is arranged on the vertical plate (1-2) and is used for pressing a side table (N-3) of the right cover (N) of the engine.

2. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the clamp seat (1) is provided with a flat plate (1-1) and two vertical plates (1-2);

the first clamp unit (2) is provided with two clamps which are arranged on the flat plate (1-1) side by side;

the two vertical plates (1-2) are fixed on the flat plate (1-1) and are arranged oppositely at intervals;

the second clamp unit (3) is provided with two clamps which are symmetrically arranged on the opposite surfaces of the two vertical plates (1-2).

3. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the first supporting blocks (2-1) are provided with five and are distributed at intervals along the circumferential direction of a combining surface (N-1) of the right engine cover (N).

4. The combination fixture for machining the engine right cover as claimed in claim 1, wherein: the first lever cylinders (2-3) are three and distributed in a triangular mode.

5. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the first clamp unit (2) further comprises three first limit pins (2-4); the three first limiting pins (2-4) are fixed on the flat plate (1-1) and distributed in a triangular shape;

the three first limiting pins (2-4) are respectively used for limiting three side platforms (N-3) of the right cover (N) of the engine.

6. The combination clamp for machining the engine right cover as claimed in claim 5, wherein: the first limiting pin (2-4) comprises a pin rod (2-41) and a swinging block (2-42), and one end of the swinging block (2-42) is fixed on the flat plate (1-1) through a bolt (2-43); the lower end of the pin rod (2-41) is fixedly connected with the other end of the swinging block (2-42).

7. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the second supporting blocks (3-1) are provided with six and are distributed at intervals along the circumferential direction of the combining surface (N-1) of the right engine cover (N).

8. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the second lever cylinders (3-3) are three and distributed in a triangular manner.

9. The combination clamp for machining the engine right cover as claimed in claim 1, wherein: the fixture seat (1) is arranged on the rotary positioner (4).