CN112475444A

CN112475444A - Continuous cutting device for machining of mechanical parts

Info

Publication number: CN112475444A
Application number: CN202011274913.4A
Authority: CN
Inventors: 贺红祥; 王勇
Original assignee: Zhuzhou Huaxin Precision Industry Co ltd
Current assignee: Zhuzhou Huaxin Precision Industry Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-12

Abstract

The invention discloses a continuous cutting device for machining mechanical parts, which comprises a bottom plate, a housing and a fixed block, wherein the housing is fixedly arranged on the bottom plate, a reciprocating driving assembly is arranged at the top of the housing, the fixed block is fixedly arranged on the bottom plate, a through hole is formed in the fixed block, guide grooves are formed in two sides in the through hole, an internal thread sleeve is in sliding fit in the through hole, slide blocks are fixedly arranged on two sides of the internal thread sleeve and are in sliding fit with the guide grooves, a push rod is in sliding fit at one side, far away from a first motor, in the through hole, a spring is arranged between the internal thread sleeve and the push rod, a fixed plate is in sliding fit with the fixed block and is connected with the push rod through a connecting plate, a cutter is driven by the reciprocating driving assembly to reciprocate up and down to cooperate with the energy storage, the deformation is reduced, and the cutting efficiency is not influenced.

Description

Continuous cutting device for machining of mechanical parts

Technical Field

The invention relates to the technical field of machining, in particular to a continuous cutting device for machining mechanical parts.

Background

Machining refers to a process of changing the outer dimensions or properties of a workpiece by a mechanical device, and is classified into cutting and grinding according to differences in machining modes. The grinding processing belongs to finish processing in machining, and the processing amount is small and the precision is high. The carbon tool steel and the carburized and quenched steel parts subjected to heat treatment quenching are widely applied to the mechanical manufacturing industry, a large number of cracks which are regularly arranged often appear on the surface which is basically vertical to the grinding direction during grinding, and the cracks not only affect the appearance of the parts, but also directly affect the quality of the parts. The mechanical part needs to be polished after casting or turning to ensure smooth surface, so that the attractiveness and structural strength of a product are improved, but scraps generated by polishing stay on a polishing surface to scratch the metal surface of the mechanical part, and the processing quality is influenced.

Need carry out the semi-finishing after machine parts processing is accomplished, need carry out the cutting to the machine parts of batch production and divide into single machine parts, mainly adopt mechanical cutter to cut in succession in order to guarantee machining efficiency among the prior art, but can take place the extrusion when the cutter downcuts at accessory continuous feed in-process, lead to cutter deformation and cut the inaccurate problem of size, the urgent continuous cutting device who needs a machine parts processing now.

Disclosure of Invention

The present invention is directed to a continuous cutting device for machining a machine part, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a device is surely cut out in succession of machine part processing, includes bottom plate, housing and fixed block, fixed mounting has the housing on the bottom plate, reciprocal drive assembly is installed at the top of housing, install the cutter on the reciprocal drive assembly, fixed mounting has the fixed block on the bottom plate, be provided with the through hole on the fixed block, both sides are provided with the guide way in the through hole, sliding fit has the internal thread sleeve in the through hole, internal thread sleeve's both sides fixed mounting has the slider, slider and guide way sliding fit, fixed mounting has first motor on the fixed block, the output fixed mounting of first motor has the threaded rod, threaded rod and internal thread sleeve screw-thread running fit, one side sliding fit who keeps away from first motor in the through hole has the push rod.

Further, reciprocal drive assembly includes second motor, side pipe and rectangular block, second motor fixed mounting is on the housing, the output fixed mounting of second motor has the disc, fixed mounting has the cylindric lock on the disc, side pipe fixed mounting is at the top of housing, one side that side pipe is close to the second motor is provided with the open slot, sliding fit has the rectangular block in the side pipe, the bottom fixed mounting of rectangular block has the cutter, the cylindric lock passes through the connecting rod rotation with the rectangular block and is connected.

Further, a first limiting plate is fixedly mounted on the bottom plate, a through groove is formed in the first limiting plate, a limiting rod is in threaded rotation fit with the top of the through groove, and the cutter is in sliding fit with the first limiting plate.

Furthermore, the bottom of the limiting rod is rotatably provided with a steel ball.

Further, a second limiting plate is fixedly mounted on the bottom plate, a blanking groove is formed between the first limiting plate and the second limiting plate, and supporting rods are fixedly mounted on two sides of the bottom plate.

Further, be provided with the spring between internal thread sleeve and the push rod, the top of fixed block is provided with T type groove, sliding fit has T type piece in the T type groove.

Further, a fixing plate is fixedly mounted on the T-shaped block and is in sliding fit with the fixing block, and the fixing plate is connected with the push rod through a connecting plate

Compared with the prior art, the invention has the beneficial effects that: the reciprocating driving assembly drives the cutter to reciprocate up and down to be matched with the energy storage of the spring, so that the extrusion of the feeding motion of the mechanical part can be buffered, the deformation is reduced, and the cutting efficiency is not influenced.

Drawings

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

FIG. 2 is a schematic view of the structure of region A in the present invention.

FIG. 3 is a schematic structural diagram of the region B in the present invention.

Fig. 4 is a schematic structural view of the stop lever of the present invention.

In the figure: 1-bottom plate, 2-cover shell, 3-reciprocating drive component, 4-cutter, 5-fixed block, 6-through hole, 7-first motor, 8-threaded rod, 9-guide groove, 10-internal thread sleeve, 11-slide block, 12-T type groove, 13-fixed plate, 14-T type block, 15-spring, 16-push rod, 17-connecting plate, 18-support rod, 19-first limit plate, 20-through groove, 21-limit rod, 22-blanking groove, 23-second limit plate, 24-steel ball, 31-second motor, 32-disc, 33-cylindrical pin, 34-square tube, 35-rectangular block, 36-open groove and 37-connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present invention, a continuous cutting device for machining a mechanical part includes a bottom plate 1, a housing 2 and a fixing block 5, the housing 2 is fixedly installed on the bottom plate 1, a reciprocating driving assembly 3 is installed on the top of the housing 2, a cutter 4 is installed on the reciprocating driving assembly 3, the fixing block 5 is fixedly installed on the bottom plate 1, a through hole 6 is formed in the fixing block 5, guide grooves 9 are formed in two sides in the through hole 6, an internal thread sleeve 10 is slidably fitted in the through hole 6, sliders 11 are fixedly installed on two sides of the internal thread sleeve 10, the sliders 11 are slidably fitted with the guide grooves 9, so as to prevent the internal thread sleeve 10 from deflecting when sliding in the through hole 6, a first motor 7 is fixedly installed on the fixing block 5, a threaded rod 8 is fixedly installed at an output end of the first motor 7, the threaded rod 8 is in threaded rotation fit with the internal thread sleeve 10 and can drive the internal thread sleeve 10 to slide left and right in the through hole 6, a push rod 16 is in sliding fit with one side, far away from the first motor 7, in the through hole 6, of the push rod 16, a spring 15 is arranged between the internal thread sleeve 10 and the push rod 16, a T-shaped groove 12 is arranged at the top of the fixed block 5, a T-shaped block 14 is in sliding fit with the T-shaped groove 12, a fixed plate 13 is fixedly mounted on the T-shaped block 14, the fixed plate 13 is in sliding fit with the fixed block 5, the fixed plate 13 is connected with the push rod 16 through a connecting plate 17, a mechanical accessory can be mounted on the fixed plate 13, the mechanical accessory is fed through the sliding internal thread sleeve 10 and the push rod 16, the mechanical accessory abuts against the cutter 4 after one-time cutting is completed, the spring 15 can store energy for pushing the pushing of the internal, the mechanical fitting can be quickly placed in a predetermined position.

Reciprocating drive assembly 3 includes second motor 31, square pipe 34 and rectangular block 35, second motor 31 fixed mounting is on housing 2, the output fixed mounting of second motor 31 has disc 32, fixed mounting has cylindric lock 33 on the disc 32, square pipe 34 fixed mounting is at the top of housing 2, one side that square pipe 34 is close to second motor 31 is provided with open slot 36, sliding fit has rectangular block 35 in square pipe 34, the bottom fixed mounting of rectangular block 35 has cutter 4, cylindric lock 33 passes through connecting rod 37 with rectangular block 35 and is connected in the rotation, and accessible second motor 31 drives disc 32 and rotates and drive rectangular block 35 and slide from top to bottom in square pipe 34.

Example 2

Referring to fig. 1 to 4, in the embodiment of the present invention, a first limiting plate 19 is fixedly installed on the bottom plate 1, a through groove 20 is formed in the first limiting plate 19, a limiting rod 21 is rotatably engaged with the top of the through groove 20 through a thread, a mechanical fitting passes through the through groove 20, so that deformation caused by cutting can be reduced, and the cutter 4 is slidably engaged with the first limiting plate 19 to cut the mechanical fitting.

The steel ball 24 is rotatably arranged at the bottom of the limiting rod 21, so that the friction between the accessories and the through groove 20 can be reduced, and the feeding stability can be ensured.

The bottom plate 1 is fixedly provided with a second limiting plate 23, a blanking groove 22 is arranged between the first limiting plate 19 and the second limiting plate 23, and two sides of the bottom plate 1 are fixedly provided with supporting rods 18.

The working principle of the invention is as follows: fix mechanical accessory on fixed plate 13, start first motor 7 and drive threaded rod 8 and internal thread sleeve 10 screw thread normal running fit, the conduction through spring 15 and push rod 16 is released fixed plate 13, the accessory stops after running through groove 20 and touchhing second limiting plate 23, start reciprocal drive assembly 3 and drive cutter 4 downstream and cut, the in-process accessory right side that downcuts at cutter 4 contacts with cutter 4, spring 15 carries out the energy storage to the power of feeding, promote fixed plate 13 and accessory rapidly right at the in-process that cutter 4 lifted, carry out next cut.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a device is cut out in succession of machine parts processing, includes bottom plate (1), housing (2) and fixed block (5), its characterized in that, fixed mounting has housing (2) on bottom plate (1), reciprocal drive assembly (3) is installed at the top of housing (2), install cutter (4) on reciprocal drive assembly (3), fixed mounting has fixed block (5) on bottom plate (1), be provided with through hole (6) on fixed block (5), both sides are provided with guide way (9) in through hole (6), sliding fit has interior screw thread sleeve (10) in through hole (6), the both sides fixed mounting of interior screw thread sleeve (10) has slider (11), slider (11) and guide way (9) sliding fit, fixed mounting has first motor (7) on fixed block (5), the output fixed mounting of first motor (7) has threaded rod (8), threaded rod (8) and internal thread sleeve (10) screw thread normal running fit, keep away from one side sliding fit of first motor (7) in through hole (6) and have push rod (16).

2. The continuous cutting device for machining of mechanical parts as claimed in claim 1, wherein the reciprocating driving assembly (3) comprises a second motor (31), a square tube (34) and a rectangular block (35), the second motor (31) is fixedly mounted on the housing (2), a disc (32) is fixedly mounted at an output end of the second motor (31), a cylindrical pin (33) is fixedly mounted on the disc (32), the square tube (34) is fixedly mounted at the top of the housing (2), an open slot (36) is formed in one side, close to the second motor (31), of the square tube (34), the rectangular block (35) is in sliding fit in the square tube (34), a cutter (4) is fixedly mounted at the bottom of the rectangular block (35), and the cylindrical pin (33) is rotatably connected with the rectangular block (35) through a connecting rod (37).

3. The continuous cutting device for machining of mechanical accessories according to claim 1, characterized in that a first limiting plate (19) is fixedly mounted on the base plate (1), a through groove (20) is formed in the first limiting plate (19), a limiting rod (21) is in threaded rotation fit with the top of the through groove (20), and the cutter (4) is in sliding fit with the first limiting plate (19).

4. A continuous cutting device for machining of mechanical parts, as claimed in claim 3, characterized in that the bottom of the limiting rod (21) is rotatably mounted with steel balls (24).

5. The continuous cutting device for machining of mechanical accessories according to claim 3, characterized in that a second limiting plate (23) is fixedly mounted on the bottom plate (1), a blanking groove (22) is arranged between the first limiting plate (19) and the second limiting plate (23), and support rods (18) are fixedly mounted on two sides of the bottom plate (1).

6. Continuous cutting device for machine parts machining according to claim 1, characterized in that a spring (15) is arranged between the internally threaded sleeve (10) and the push rod (16), a T-shaped groove (12) is arranged at the top of the fixed block (5), and a T-shaped block (14) is slidably fitted in the T-shaped groove (12).

7. The continuous cutting device for machining of machine parts according to claim 6, characterized in that the T-shaped block (14) is fixedly provided with a fixing plate (13), the fixing plate (13) is in sliding fit with the fixing block (5), and the fixing plate (13) is connected with the push rod (16) through a connecting plate (17).