CN218080781U - Cutter for deburring inner hole - Google Patents

Abstract

The utility model discloses a cutter for hole burring, including work piece, first broach shell and second broach shell pass through the screw connection, the edge of a knife has all been seted up to one side outer wall of first broach shell and second broach shell, the top outer wall of first broach shell and second broach shell has same connecting box through screw connection, the inside of connecting box is provided with propulsion subassembly, the equal fixedly connected with connecting rod of top outer wall four corners department of connecting box, four the same fixed plate of top outer wall fixedly connected with of connecting rod, the top outer wall fixedly connected with installation cover of fixed plate. The utility model discloses in, through being provided with propulsion subassembly and flexible subassembly, propulsion subassembly from top to bottom promotes flexible subassembly and blade, and at the in-process of internal hole burring, the propulsion subassembly is injectd flexible subassembly's position, and thick flexible subassembly is difficult for taking place to warp or damage.

Description

Cutter for deburring inner hole

Technical Field

The utility model relates to a cutter technical field, more specifically says that it relates to a cutter that is used for hole burring.

Background

Tools used in machine manufacturing for cutting machining are called cutting tools, and most of the tools are used for machine tools, but also for hand tools, and since the tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

For example, CN 217166638U, a tool for deburring internal bores, said tool comprising a tubular holder having an internal bore, a blade assembly disposed on said tubular holder, and an adjustment assembly for adjusting the extension and retraction of the blade; the adjusting assembly is connected with the blade assembly, and a first through groove and a second through groove are formed in the side wall of the pipe-made cutter rest. The cutter can remove burrs in the inner hole, and new burrs cannot be caused to the inner hole when the cutter is withdrawn.

Although the technical scheme that has proposed in the above-mentioned patent has solved when withdrawing the sword and has caused the problem of new burr to the hole easily, the in-process connecting rod that carries out the burring can bear great power, leads to easily connecting to warp or damage, and has the problem that the blade is not convenient for change, so need improve this.

SUMMERY OF THE UTILITY MODEL

An it is not enough to prior art exist, the utility model aims to provide a cutter for hole burring, including work piece, first broach shell and second broach shell pass through screw connection, a knife edge has all been seted up to one side outer wall of first broach shell and second broach shell, there is same connecting box top outer wall of first broach shell and second broach shell through screw connection, the inside of connecting box is provided with impels the subassembly, the equal fixedly connected with connecting rod of top outer wall four corners department of connecting box, four the same fixed plate of top outer wall fixedly connected with of connecting rod, the top outer wall fixedly connected with installation cover of fixed plate, the inside of first broach shell and second broach shell all is provided with flexible subassembly, install the blade on the flexible subassembly, and blade and play knife edge looks adaptation, impel the subassembly and drive the blade motion through flexible subassembly.

In order to achieve the above purpose, the utility model provides a following technical scheme:

preferably, flexible subassembly includes the expansion plate, and the outer wall of two expansion plates all is provided with the arc limit, one side outer wall and the blade of expansion plate pass through the screw connection, the both sides inner wall of first broach shell and second broach shell all is provided with spout two, the bottom inner wall sliding connection of spout two has slider two, two slider two all with expansion plate fixed connection, one side outer wall fixedly connected with spring two of slider two, the one end and the two fixed connection of spout of spring two.

Preferably, the propulsion assembly comprises a limit screw and a propulsion block, the lower part of the propulsion block is oval, the limit screw is in threaded connection with the connection box, the outer wall of the bottom of the limit screw is rotatably connected with a pressing plate through a bearing, and the pressing plate is in sliding fit with the inner wall of the connection box.

Preferably, the inner walls of the two sides of the connecting box are provided with a first sliding groove, the outer wall of the propelling block is fixedly connected with a first sliding block, and the first sliding block and the first sliding groove form sliding fit.

Preferably, the outer wall of the bottom of the first sliding block is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the first sliding groove.

Preferably, a rectangular opening is formed in the outer wall of one side of the connecting box, a pushing block is connected to the inner wall of the rectangular opening in a sliding mode, and the pushing block is fixedly connected with the pushing block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses in, through being provided with propulsion subassembly and flexible subassembly, the propulsion subassembly from top to bottom promotes flexible subassembly and blade, and at the in-process to the internal hole burring, the propulsion subassembly is injectd flexible subassembly's position, and thick flexible subassembly is difficult for taking place to warp or damage.

2. The utility model discloses in, through being provided with first broach shell and second broach shell, first broach shell and second broach shell pass through the screw connection and are in the same place, when needs are changed the blade, only need to twist off the screw between first broach shell, second broach shell and the connecting box three, alright take off expansion plate and blade, change the blade, it is very convenient to change.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the propulsion block structure of the present invention;

fig. 3 is a schematic view of a spring structure of the present invention;

fig. 4 is a schematic structural view of the second spring of the present invention.

1. A workpiece; 2. a first knife pouch; 3. a second knife pouch; 4. a connection box; 5. a limit screw; 6. a connecting rod; 7. a fixing plate; 8. installing a sleeve; 9. pressing a plate; 10. a push block; 11. a rectangular opening; 12. a propulsion block; 13. a retractable plate; 14. a first sliding block; 15. a first sliding chute; 16. a first spring; 17. a second chute; 18. a second sliding block; 19. a second spring; 20. a blade; 21. and (6) discharging the blade.

Detailed Description

Referring to fig. 1 to 4, the embodiment further illustrates a tool for deburring an inner hole according to the present invention.

The utility model provides a cutter for hole burring, including first broach shell 2, second broach shell 3 and connecting box 4, one side that first broach shell 2 is close to second broach shell 3 is protruding form, one side that second broach shell 3 is close to first broach shell 2 is sunken form, insert the bellied part of first broach shell 2 behind the depressed area of second broach shell 3, get up both fixed connection through the screw, and the top of first broach shell 2 and second broach shell 3 all is the opening form, the bottom of connecting box 4 also is the opening form, connecting box 4 is connected with first broach shell 2 and second broach shell 3 through the screw, wherein all be provided with flexible subassembly in first broach shell 2 and the second broach shell 3, install blade 20 on the flexible subassembly, the inside of connecting box 4 is provided with propulsion subassembly, all seted up out edge of a knife 21 on first broach shell 2 and the second broach shell 3, it is adaptive with blade 20 to go out edge 21.

Referring to fig. 1, the connecting rods 6 are fixedly connected to four corners of the top outer wall of the connecting box 4, the same fixing plate 7 is fixedly connected to the top outer walls of the four connecting rods 6, the mounting sleeve 8 is fixedly connected to the top outer wall of the fixing plate 7, the mounting sleeve 8 is connected to a power mechanism on a machine tool, and the first knife pouch 2, the second knife pouch 3 and the connecting box 4 are mounted on the machine tool through the four connecting rods 6, the fixing plate 7 and the mounting sleeve 8

Referring to fig. 2, 3 and 4, the telescopic assembly includes a telescopic plate 13, one side of the telescopic plate 13 close to the knife exit 21 is fixedly connected with a blade 20 through a screw, two sliding grooves 17 are formed in inner walls of two sides of the first knife pouch 2 and the second knife pouch 3, one side of the sliding grooves 17 far away from the knife exit 21 is in an open shape, a sliding block 18 is connected to an inner wall of the bottom of the sliding groove 17 in a sliding manner, the two sliding blocks 18 are fixedly connected with the corresponding telescopic plate 13, a spring 19 is fixedly connected to one side of the sliding block 18 close to the knife exit 21, the spring 19 is fixedly connected with the sliding groove 17, and an arc edge is formed in an outer wall of the two telescopic plates 13.

When the blade 20 needs to be replaced, the first knife sleeve 2 and the second knife sleeve 3 only need to be inserted, the telescopic plate 13 can be pulled out along the inner wall of the second sliding groove 17, and the blade 20 on the telescopic plate 13 can be replaced quickly.

Referring to fig. 1, 2 and 3, the propelling assembly includes a propelling block 12, the propelling block 12 is axially symmetric along a central line, the propelling block 12 is disposed at a central position of two expansion plates 13, the propelling block 12 is composed of an upper portion and a lower portion, the upper portion is rectangular, the lower portion is oval, two inner walls of two sides of the connecting box 4 are respectively provided with a first sliding slot 15, an inner wall of the first sliding slot 15 is slidably connected with a first sliding block 14, the two first sliding blocks 14 are both fixedly connected with an upper portion of the propelling block 12, an outer wall of the connecting box 4 is provided with a rectangular opening 11, an inner wall of the rectangular opening 11 is slidably connected with a pushing block 10, the pushing block 10 is fixedly connected with the propelling block 12, the pushing block 12 is driven by the pushing block 10 to move downwards, the two expansion plates 13 are uniformly pushed by the propelling block 12, the top of the connecting box 4 is connected with a limit screw 5 by a screw 5 through a screw, the bottom of the limit screw 5 is rotatably connected with a pressing plate 9 through a bearing, after the propelling block 12 is transported to the lowest position, the limiting screw 5 drives the pressing plate 9 to press the pushing block 9 by the limit screw 5, the limiting screw 5, the outer wall of the sliding block 14 is connected with a spring 16, and when the pushing block 12 is moved upwards by the spring 16, and the spring 16, the spring 16 is driven by the quick return spring 16.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a cutter for hole burring, includes work piece (1), first broach shell (2) and second broach shell (3), its characterized in that: the utility model discloses a cutter, including first broach shell (2), first broach shell (2) and second broach shell (3), one side outer wall of first broach shell (2) and second broach shell (3) has all been seted up out edge of a knife (21), the top outer wall of first broach shell (2) and second broach shell (3) has same connecting box (4) through screwed connection, the inside of connecting box (4) is provided with propulsion assembly, the equal fixedly connected with connecting rod (6) of top outer wall four corners department of connecting box (4), four the same fixed plate (7) of top outer wall fixedly connected with of connecting rod (6), the top outer wall fixedly connected with installation cover (8) of fixed plate (7), the inside of first broach shell (2) and second broach shell (3) all is provided with flexible subassembly, install blade (20) on the flexible subassembly, and blade (20) and play edge of a knife (21) looks adaptation, propulsion assembly drives blade (20) through flexible subassembly and moves.

2. A tool for deburring internal bores as claimed in claim 1, wherein: the telescopic assembly comprises telescopic plates (13), the outer walls of the two telescopic plates (13) are provided with arc edges, one side outer wall of each telescopic plate (13) is connected with the blade (20) through screws, the inner walls of the two sides of the first knife sleeve (2) and the second knife sleeve (3) are provided with two sliding grooves (17), the inner wall of the bottom of each sliding groove (17) is connected with two sliding blocks (18) in a sliding mode, the two sliding blocks (18) are fixedly connected with the telescopic plates (13), one side outer wall of each sliding block (18) is fixedly connected with a spring II (19), and one end of each spring II (19) is fixedly connected with the corresponding sliding groove II (17).

3. A tool for deburring internal bores as claimed in claim 2, wherein: the propelling assembly comprises a limit screw (5) and a propelling block (12), the lower part of the propelling block (12) is oval, the limit screw (5) is connected with the connecting box (4) through threads, the outer wall of the bottom of the limit screw (5) is connected with a pressing plate (9) through a bearing in a rotating mode, and the pressing plate (9) is in sliding fit with the inner wall of the connecting box (4).

4. A tool for deburring internal bores as claimed in claim 3, wherein: the inner walls of two sides of the connecting box (4) are provided with first sliding grooves (15), the outer wall of the propelling block (12) is fixedly connected with first sliding blocks (14), and the first sliding blocks (14) are in sliding fit with the first sliding grooves (15).

5. A tool for deburring internal bores as claimed in claim 4, wherein: the outer wall of the bottom of the first sliding block (14) is fixedly connected with a first spring (16), and one end of the first spring (16) is fixedly connected with the first sliding groove (15).

6. A tool for deburring internal bores as claimed in claim 3, wherein: rectangle mouth (11) have been seted up to one side outer wall of connecting box (4), the inner wall sliding connection of rectangle mouth (11) has ejector pad (10), ejector pad (10) and propulsion piece (12) fixed connection.

Images