CN212705665U

CN212705665U - Automatic clamping device for turning valve seat ring

Info

Publication number: CN212705665U
Application number: CN202021474509.7U
Authority: CN
Inventors: 袁春; 丁剑; 姚成斌
Original assignee: Anhui Xinming New Material Technology Co Ltd
Current assignee: Anhui Xinming New Material Technology Co Ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-16
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses an automatic clamping device of valve seat circle car processing, including organism, pay-off subassembly and fixture's left side all with the right side fixed connection of organism, the pay-off subassembly is including fixing the mount on organism right side, the right side from the top down of mount is the first cylinder of fixedly connected with and shielding plate respectively, the surface sliding of first cylinder is connected with the carriage, the surface sliding of carriage is connected with the second cylinder, the utility model relates to a processing technology field of valve seat circle. This automatic clamping device of valve seat circle car processing can be incessant one by one carries out the material loading to the thick embryo of valve seat circle through the cooperation of carriage and material loading piece, pushes the thick embryo of valve seat circle to the centre gripping inslot in the centre gripping seat through circular roof, and under the effect of frictional force, the thick embryo of valve seat circle is fixed by the centre gripping groove, full automation, clamping easy operation.

Description

Automatic clamping device for turning valve seat ring

Technical Field

The utility model relates to the technical field of, specifically be an automatic clamping device of valve seat ring car processing.

Background

The engine cylinder cover is one of the most critical parts in the engine, the precision requirement is high, the processing technology is complex, the processing quality directly influences the overall performance and quality of the engine, therefore, the processing of the engine cylinder cover is particularly important, the processing of the valve seat ring and the guide pipe hole at the critical part is more important, the valve seat ring is a part used for being matched with the valve to work, when the valve is closed, the sealing effect is achieved, and the length of the sealing belt has important influence on the performance of the engine.

The machining process of the valve seat ring is end face grinding → rough grinding excircle → turning inner circle → turning chamfer → fine grinding excircle, wherein the traditional machining modes of the turning inner circle and the turning chamfer are as follows: the single-person single-machine operation is carried out on a common lathe (numerical control lathe), the defects of the traditional processing mode are obvious, and the processing efficiency is low.

According to a patent number CN109057907B a valve seat insert, through the cooperation of lift cylinder, V-arrangement frid and chuck, accomplish the clamping of work piece, nevertheless have following problem when using, the cooperation degree of pay-off and clamping is not high, leads to valve seat insert position inaccurate easily, leads to the valve seat insert quality of processing to be relatively poor.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an automatic clamping device of valve seat circle car processing has solved the not high degree of adaptability of pay-off and clamping, leads to valve seat circle position inaccurate easily, leads to the relatively poor problem of valve seat circle quality that processing came out.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic clamping device for machining a valve seat ring comprises a machine body, a feeding assembly and a clamping mechanism, wherein the left sides of the feeding assembly and the clamping mechanism are fixedly connected with the right side of the machine body, the feeding assembly comprises a fixing frame fixed on the right side of the machine body, a first air cylinder and a baffle plate are fixedly connected to the right side of the fixing frame from top to bottom respectively, a sliding frame is connected to the surface of the first air cylinder in a sliding manner, a second air cylinder is connected to the surface of the sliding frame in a sliding manner, one end of a piston rod of the second air cylinder is fixedly connected with the surface of the sliding frame, a connecting frame is fixedly connected to the bottom of the second air cylinder, a top rod is clamped in an inner cavity of the connecting frame, a feeding block is fixedly connected to the bottom of the sliding frame through a connecting rod, a top groove matched with the surface of the top rod, the surface of the feeding block is provided with a conveying inclined plane communicated with the surface of the feeding channel, and the surface of the feeding block is provided with a spherical placing groove communicated with the surface of the conveying inclined plane.

The fixture is including rotating the headstock of connecting on the organism right side, the right side fixedly connected with grip slipper of headstock, the centre gripping groove has been seted up to the inner chamber of grip slipper, the inner chamber fixedly connected with electric push rod of headstock, the one end fixedly connected with ejector pad of electric push rod piston rod.

Preferably, one end of the push block penetrates through and extends to the inner cavity of the clamping seat.

Preferably, the surface of the ejector rod is in threaded connection with a limiting ring, and the left side of the limiting ring is in elastic contact with the right side of the connecting frame.

Preferably, the bottom of the sliding frame is movably connected with an upper jacking clamp, and the upper jacking clamp is driven by a power mechanism to move up and down.

Preferably, the left end of the ejector rod is fixedly connected with a circular top plate matched with the inner cavity of the top groove.

Preferably, the power box is driven to rotate by a driving mechanism.

Advantageous effects

The utility model provides an automatic clamping device of valve seat circle car processing. Compared with the prior art, the method has the following beneficial effects:

(1) the automatic clamping device for the turning machining of the valve seat ring is fixedly connected with the right side of a machine body on the left sides of a feeding assembly and a clamping mechanism, the feeding assembly comprises a fixing frame fixed on the right side of the machine body, a first air cylinder and a baffle plate are fixedly connected to the right side of the fixing frame from top to bottom respectively, a sliding frame is connected to the surface of the first air cylinder in a sliding manner, a second air cylinder is connected to the surface of the sliding frame in a sliding manner, one end of a piston rod of the second air cylinder is fixedly connected with the surface of the sliding frame, a push rod is fixedly connected to the bottom of the second air cylinder, an inner cavity of the connecting frame is clamped with the push rod, a feeding block is fixedly connected to the bottom of the sliding frame through a connecting rod, a top groove matched with the surface of the push rod is formed in the surface of the feeding block, a feeding channel is fixedly connected to one side of the baffle plate, the valve seat ring rough blank can be continuously fed one by one through the matching of the sliding frame and the feeding block, the valve seat ring rough blank is pushed into the clamping groove in the clamping seat through the circular top plate, and under the action of friction force, the valve seat ring rough blank is fixed by the clamping groove, so that the whole process is automatic, and the clamping operation is simple.

(2) This automatic clamping device of valve seat circle car processing, through including rotating the headstock of connecting on the organism right side at fixture, the right side fixedly connected with grip slipper of headstock, the centre gripping groove has been seted up to the inner chamber of grip slipper, the inner chamber fixedly connected with electric push rod of headstock, the one end fixedly connected with ejector pad of electric push rod piston rod, the back finishes in processing, the electric push rod in the headstock starts, release the centre gripping groove with the valve seat circle coarse blank through the ejector pad, by the collection hopper of below collection processing on next step, the unloading operation that carries on that can be quick, the condition of putty can not take place, can incessant processing.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the feeding block of the present invention;

fig. 3 is a cross-sectional view of the clamping mechanism of the present invention;

fig. 4 is a top view of the structure of the feeding block of the present invention.

In the figure: 1-machine body, 2-feeding component, 3-clamping mechanism, 21-fixing frame, 22-first air cylinder, 23-baffle plate, 24-sliding frame, 25-second air cylinder, 26-top rod, 27-feeding block, 28-top groove, 29-feeding channel, 210-conveying inclined plane, 211-spherical placing groove, 212-spacing ring, 213-top clamp, 214-circular top plate, 215-connecting frame, 31-power box, 32-clamping seat, 33-clamping groove, 34-electric push rod and 35-push block.

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. 1-4, the present invention provides a technical solution: an automatic clamping device for machining a valve seat ring comprises a machine body 1, a feeding assembly 2 and a clamping mechanism 3, wherein the left sides of the feeding assembly 2 and the clamping mechanism 3 are fixedly connected with the right side of the machine body 1, the feeding assembly 2 comprises a fixing frame 21 fixed on the right side of the machine body 1, a first air cylinder 22 and a baffle plate 23 are fixedly connected to the right side of the fixing frame 21 from top to bottom respectively, a sliding frame 24 is connected to the surface of the first air cylinder 22 in a sliding manner, a second air cylinder 25 is connected to the surface of the sliding frame 24 in a sliding manner, one end of a piston rod of the second air cylinder 25 is fixedly connected with the surface of the sliding frame 24, a connecting frame 215 is fixedly connected to the bottom of the second air cylinder 25, an ejector rod 26 is clamped in an inner cavity of the connecting frame 215, a feeding block 27 is fixedly connected to the bottom of the sliding frame 24 through a connecting rod, the rough blank of the valve seat ring is pushed into a clamping groove 33 in a clamping seat 32 through a circular top plate 214, the rough blank of the valve seat ring is fixed by the clamping groove 33 under the action of friction force, the whole process is automatic, the clamping operation is simple, the surface of a feeding block 27 is provided with a top groove 28 matched with the surface of a top rod 26, one side of a baffle plate 23 is fixedly connected with a feeding channel 29, the surface of the feeding block 27 is provided with a conveying inclined plane 210 communicated with the surface of the feeding channel 29, the surface of the feeding block 27 is provided with a spherical placing groove 211 communicated with the surface of the conveying inclined plane 210, a clamping mechanism 3 comprises a power box 31 which is rotatably connected to the right side of a machine body 1, after the machining is finished, an electric push rod 34 in the power box 31 is started, the rough blank of the valve seat ring is pushed out of the clamping groove 33 through a push block 35 and is collected by a receiving, the condition of putty can not take place, can be incessant processing, the right side fixedly connected with grip slipper 32 of headstock 31, centre gripping groove 33 has been seted up to the inner chamber of grip slipper 32, the inner chamber fixedly connected with electric push rod 34 of headstock 31, the one end fixedly connected with ejector pad 35 of electric push rod 34 piston rod, the one end of ejector pad 35 runs through and extends to the inner chamber of grip slipper 32, the surperficial threaded connection of ejector pin 26 has spacing collar 212, the left side of spacing collar 212 and the right side elastic contact of link 215, the bottom swing joint of carriage 24 has last top clamp 213, it does the up-and-down motion through the power unit drive to go up top clamp 213, the left end fixedly connected with of ejector pin 26 and the circular top board 214 of top groove 28 inner chamber adaptation, headstock 31 rotates through the actuating.

When the valve seat ring blank feeding device works, an electric appliance is firstly communicated with a power supply, the valve seat ring blank is conveyed into a feeding block 27 through a feeding channel 29 and slides into a spherical placing groove 211 through a conveying inclined plane 210, at the moment, a first air cylinder 22 is started to drive a sliding frame 24 to slide downwards, at the moment, an upper jacking clamp 213 moves downwards to jack the top of the valve seat ring blank to limit the valve seat ring blank, at the moment, the sliding frame 24 drives a second air cylinder 25 to move downwards, when a mandril 26 moves downwards to a central point of a circular top plate 214, the central point of the valve seat ring blank is aligned with a central point of a clamping groove 33, the movement is stopped, at the moment, the second air cylinder 25 works to drive the mandril 26 to move forwards, the valve seat ring blank is pushed into the clamping groove 33 in a clamping seat 32 through the circular top plate 214, the valve seat ring blank is fixed by the clamping groove 33 under the action of friction force, at the moment, then the first cylinder 22 drives the sliding frame 24 to reset, drives the feeding block 27 to reset, at this time, the next valve seat ring rough blank is conveyed into the feeding block 27 through the feeding channel 29, slides into the spherical placing groove 211 through the conveying inclined plane 210 to be fed, at this time, the power box 31 is driven to rotate at a high speed, then the valve seat ring rough blank is turned through a milling cutter, after the machining is finished, the electric push rod 34 in the power box 31 is started, the valve seat ring rough blank is pushed out of the clamping groove 33 through the push block 35, and is collected by the receiving hopper below to be processed in the next step.

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. The utility model provides an automatic clamping device of valve seat circle car processing, includes organism (1), pay-off subassembly (2) and fixture (3), its characterized in that: the left sides of the feeding component (2) and the clamping mechanism (3) are fixedly connected with the right side of the machine body (1), the feeding component (2) comprises a fixing frame (21) fixed on the right side of the machine body (1), a first air cylinder (22) and a baffle plate (23) are fixedly connected to the right side of the fixing frame (21) from top to bottom respectively, a sliding frame (24) is connected to the surface of the first air cylinder (22) in a sliding manner, a second air cylinder (25) is connected to the surface of the sliding frame (24) in a sliding manner, one end of a piston rod of the second air cylinder (25) is fixedly connected with the surface of the sliding frame (24), a connecting frame (215) is fixedly connected to the bottom of the second air cylinder (25), an ejector rod (26) is clamped in an inner cavity of the connecting frame (215), an upper material block (27) is fixedly connected to the bottom of the sliding frame (24) through a connecting rod, a top groove (28) matched with the, a feeding channel (29) is fixedly connected to one side of the shielding plate (23), a conveying inclined plane (210) communicated with the surface of the feeding channel (29) is formed in the surface of the feeding block (27), and a spherical placing groove (211) communicated with the surface of the conveying inclined plane (210) is formed in the surface of the feeding block (27);

fixture (3) are including rotating headstock (31) of connecting on organism (1) right side, right side fixedly connected with grip slipper (32) of headstock (31), centre gripping groove (33) have been seted up to the inner chamber of grip slipper (32), the inner chamber fixedly connected with electric push rod (34) of headstock (31), the one end fixedly connected with ejector pad (35) of electric push rod (34) piston rod.

2. An automated clamping device for valve seat insert turning according to claim 1, wherein: one end of the push block (35) penetrates through and extends to the inner cavity of the clamping seat (32).

3. An automated clamping device for valve seat insert turning according to claim 1, wherein: the surface of the ejector rod (26) is in threaded connection with a limiting ring (212), and the left side of the limiting ring (212) is in elastic contact with the right side of the connecting frame (215).

4. An automated clamping device for valve seat insert turning according to claim 1, wherein: the bottom of the sliding frame (24) is movably connected with an upper top clamp (213), and the upper top clamp (213) is driven by a power mechanism to move up and down.

5. An automated clamping device for valve seat insert turning according to claim 1, wherein: the left end of the ejector rod (26) is fixedly connected with a circular top plate (214) matched with the inner cavity of the top groove (28).

6. An automated clamping device for valve seat insert turning according to claim 1, wherein: the power box (31) is driven to rotate by a driving mechanism.