CN220515444U - Forming cutter - Google Patents

Abstract

The utility model discloses a forming cutter which comprises a cutter bar, a connecting ring, a supporting ring and a cutter head, wherein the supporting ring is welded at the top of the cutter head, the connecting ring is welded at the bottom of the cutter bar, a plurality of groups of stop blocks are fixed around the bottom of the connecting ring, slots are formed between the two stop blocks, inserting blocks are welded around the top of the supporting ring, a plurality of groups of the inserting blocks are arranged on the supporting ring, the inserting blocks are inserted into the slots in the stop blocks, a second screw hole is formed in the stop block, and a first screw hole is formed in the inserting block. According to the utility model, the insert block is arranged on the support ring, the stop block is arranged on the connecting ring, the insert block is inserted into the slot formed by the stop block on the connecting ring, and the first bolt is separated from the insert block and the stop block by rotating the first bolt, so that the connecting ring and the support ring can be separated, the cutter head can be conveniently replaced, and the use cost is reduced.

Description

Forming cutter

Technical Field

The utility model relates to the technical field of machine tool cutting tools, in particular to a forming tool.

Background

A cutting tool is a tool used for cutting machining in machine manufacturing. Most knives are mechanical but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the working part of the tool is the part for generating and disposing chips, including the structural elements of the cutting edge, the structure for breaking or rolling up the chips, the space for removing or storing the chips, the passage of cutting fluid, etc., and the working part of the tool includes the cutting part and the calibration part, such as a drill, a reamer, an inner surface broach, a tap, etc. The cutting part is used for cutting chips by a blade, the calibration part is used for polishing a machined surface and guiding a cutter, the working part of some cutters is the cutting part, such as a turning tool, a planing tool, a boring tool, a milling cutter and the like, and the conventional forming cutter is generally designed by directly integrally forming a cutter bar and a cutter head, so that the cutter cannot be replaced according to machining requirements, and therefore, different cutters are required, and the cost for replacing the cutter is high.

Disclosure of Invention

The utility model aims to provide a forming cutter to solve the problems that in the prior art, a general cutter bar and a cutter head of the forming cutter are directly integrally formed, so that the cutter cannot be replaced according to processing requirements, different cutters are required, and the cost for replacing the cutter is high.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shaping cutter, includes cutter arbor, go-between, supporting ring and tool bit, the top welding of tool bit has the supporting ring, the bottom welding of cutter arbor has the go-between, be fixed with the dog around the go-between bottom, the dog is provided with the multiunit around the go-between bottom, two form the slot between the dog, the welding has the inserted block around the supporting ring top, the inserted block is provided with the multiunit on the supporting ring, the inserted block inserts in the slot in the dog, the second screw has been seted up on the dog, first screw has been seted up on the inserted block, coincide each other between first screw and the second screw, first bolt has been revolved in second screw and the first screw, first bolt is fixed each other with inserted block and dog, makes first bolt deviate from inserted block and dog through rotating first bolt, and then go-between and supporting ring can separate to be convenient for change the effect of tool bit.

Preferably, the central point at cutter arbor top is fixed with the handle of a knife, the spacing groove has been seted up to the outside both sides of cutter arbor, the spacing groove is symmetrical about the central point of cutter arbor, in cutter arbor 1 inserts the knife sleeve, cooperates through the lug in spacing groove 2 and the knife sleeve to spacing carries out, when avoiding cutter cutting part, the cutter is not hard up.

Preferably, a limiting piece is welded at the center of the top of the cutter handle, and the cross section of the limiting piece is in a cross shape.

Preferably, a limiting pin is fixed at the central position of the top of the supporting ring, a limiting hole is fixed at the central position of the bottom of the connecting ring, and the limiting pin and the limiting hole are mutually matched.

Preferably, the bottom of the supporting ring is provided with a limiting block, a plurality of groups of limiting blocks are arranged at the bottom of the cutter head, and the limiting blocks are uniformly arranged at the bottom of the cutter head.

Preferably, the cutter head is provided with a cutter blade seat, a third bolt is screwed in the cutter blade seat, the cutter blade seat and the cutter head are mutually fixed by the third bolt, the cutter blade body is arranged on the cutter blade seat, a second bolt is screwed on the cutter blade body, the cutter blade body and the cutter blade seat are mutually fixed by the second bolt, and the cutter blade seat and the cutter head are detachably connected, so that different cutter blade seats are selected according to the shape of the cutter blade body, and the adaptability of the cutter is stronger.

Compared with the prior art, the utility model has the beneficial effects that: the forming cutter has reasonable structure and has the following advantages:

(1) The device can conveniently replace the tool bit through being provided with go-between, supporting ring, first bolt, inserted block and dog, consequently, through being provided with the inserted block on the supporting ring, be provided with the dog on the go-between, and the inserted block inserts in the slot that the dog formed on the go-between, makes first bolt deviate from inserted block and dog through rotating first bolt, and then go-between and supporting ring can separate to the effect of being convenient for change the tool bit reduces use cost.

(2) Through being provided with tool bit, blade body, blade seat and third bolt realization cutter can install the blade seat of different shapes as required, and then change the effect of different blade bodies, in reality production process, have the blade body of different shapes, consequently, can dismantle with the tool bit through the blade seat and be connected to select different blade seats according to the shape of blade body, make the adaptability of cutter stronger, and then practice thrift the cost that the cutter was changed.

(3) Through being provided with the spacing groove, insert in the knife rest when the cutter arbor, cooperate through the lug in spacing groove and the knife rest to spacing is carried out, when avoiding cutter cutting part, the cutter is not hard up.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic perspective view of a tool bit according to the present utility model;

FIG. 3 is a schematic top perspective view of the present utility model;

FIG. 4 is a schematic perspective view of a support ring according to the present utility model;

FIG. 5 is a schematic view of the structure of the connecting ring of the present utility model;

in the figure: 1. a cutter bar; 2. a limit groove; 3. a knife handle; 4. a limiting piece; 5. a connecting ring; 6. a support ring; 7. a cutter head; 8. a blade body; 9. a first bolt; 10. a second bolt; 11. a blade seat; 12. a limiting block; 13. a limiting pin; 14. inserting blocks; 15. a first screw hole; 16. a limiting hole; 17. a stop block; 18. a second screw hole; 19. and a third bolt.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the forming cutter comprises a cutter bar 1, a connecting ring 5, a supporting ring 6 and a cutter head 7, wherein the supporting ring 6 is welded at the top of the cutter head 7, the connecting ring 5 is welded at the bottom of the cutter bar 1, a plurality of groups of stop blocks 17 are arranged around the bottom of the connecting ring 5, slots are formed between the two stop blocks 17, inserting blocks 14 are welded around the top of the supporting ring 6, a plurality of groups of the inserting blocks 14 are arranged on the supporting ring 6, the inserting blocks 14 are inserted into the slots in the stop blocks 17, a second screw hole 18 is formed in the stop blocks 17, a first screw hole 15 is formed in the inserting blocks 14, the first screw holes 15 and the second screw holes 18 are mutually matched, a limiting effect is achieved, first bolts 9 are screwed into the second screw holes 18 and the first screw holes 15, the first bolts 9 are separated from the inserting blocks 14 and the stop blocks 17 through rotating the first bolts 9, and the connecting ring 5 and the supporting ring 6 can be separated, and the inserting blocks 14 and 17 are mutually fixed through the first bolts 9;

through being provided with the inserted block 14 on the support ring 6, be provided with the dog 17 on the go-between 5, and the inserted block 14 inserts in the slot that dog 17 formed on go-between 5, through rotating first bolt 9, make first bolt 9 deviate from inserted block 14 and dog 17, and then go-between 5 and support ring 6 can separate, thereby be convenient for change the effect of tool bit 7, reduce use cost;

the center position of the top of the cutter bar 1 is fixedly provided with a cutter handle 3, two sides of the outer part of the cutter bar 1 are provided with limiting grooves 2, the limiting grooves 2 are symmetrical relative to the center position of the cutter bar 1, the center position of the top of the cutter handle 3 is welded with a limiting piece 4, the cross section of the limiting piece 4 is in a cross shape, and the limiting grooves 2 are matched with the convex blocks in the cutter sleeve so as to limit the cutter, and when the cutter cuts a part, the cutter is prevented from loosening;

a limiting pin 13 is fixed at the central position of the top of the supporting ring 6, a limiting hole 16 is fixed at the central position of the bottom of the connecting ring 5, and the limiting pin 13 and the limiting hole 16 are matched with each other;

the bottom of the supporting ring 6 is provided with a plurality of groups of limiting blocks 12, the limiting blocks 12 are arranged at the bottom of the cutter head 7, the limiting blocks 12 are uniformly arranged at the bottom of the cutter head 7, the cutter head 7 is provided with a cutter blade seat 11, a third bolt 19 is screwed in the cutter blade seat 11, the cutter blade seat 11 and the cutter head 7 are mutually fixed by the third bolt 19, the cutter blade body 8 is arranged on the cutter blade seat 11, the cutter blade body 8 is screwed with a second bolt 10, and the cutter blade body 8 and the cutter blade seat 11 are mutually fixed by the second bolt 10;

in the actual production process, the blade bodies 8 with different shapes are detachably connected with the cutter head 7 through the blade seat 11, so that different blade seats 11 are selected according to the shape of the blade body 8, the adaptability of the cutter is stronger, and the cost for replacing the cutter is further saved;

according to the cutter bar 1, the cutter bar 1 is inserted into the cutter sleeve, the cutter sleeve is then inserted into the main shaft of the machine tool, the cutter is driven to rotate through rotation of the main shaft to cut the part, when the cutter bar 1 is inserted into the cutter sleeve, the cutter is matched with the protruding block in the cutter sleeve through the limiting groove 2, limiting is performed, when the cutter is prevented from cutting the part, the cutter is loose, the inserting block 14 and the stop block 17 are matched with each other, the limiting effect is achieved, the strength of connection between the connecting ring 5 and the supporting ring 6 is enhanced, the first bolt 9 is separated from the inserting block 14 and the stop block 17 through rotation of the first bolt 9, the connecting ring 5 and the supporting ring 6 can be separated, the cutter head 7 is conveniently replaced, the cutter body 8 with different shapes is arranged in the actual production process, therefore, the cutter body 11 and the cutter head 7 are detachably connected, the cutter body 11 is selected according to the shapes of the cutter body 8, the adaptability of the cutter is stronger, and the cost of replacing the cutter is further saved.

Claims (6)

1. A forming cutter, characterized in that: including cutter arbor (1), go-between (5), supporting ring (6) and tool bit (7), the top welding of tool bit (7) has supporting ring (6), the bottom welding of cutter arbor (1) has go-between (5), be fixed with dog (17) around go-between (5) bottom, dog (17) are provided with the multiunit around go-between (5) bottom, two form the slot between dog (17), the welding around the top of supporting ring (6) has inserted block (14), inserted block (14) are provided with the multiunit on supporting ring (6), inserted block (14) insert in the slot in dog (17), second screw (18) have been seted up on dog (17), first screw (15) have been seted up on inserted block (14), overlap each other between first screw (15) and second screw (18), first screw (15) are middle-spin to have first bolt (9), first bolt (9) are fixed each other with inserted block (14) and dog (17).

2. A forming tool as claimed in claim 1, wherein: the utility model discloses a cutter arbor, including cutter arbor (1), spacing groove (2) have been seted up to the central point of cutter arbor (1) top, spacing groove (2) are fixed with handle of a knife (3) in the central point at cutter arbor (1) top, the central point symmetry of cutter arbor (1) is gone up in the outside both sides of cutter arbor (1).

3. A forming tool as claimed in claim 2, wherein: the center of the top of the knife handle (3) is welded with a limiting piece (4), and the cross section of the limiting piece (4) is in a cross shape.

4. A forming tool as claimed in claim 1, wherein: the center position at the top of the supporting ring (6) is fixed with a limiting pin (13), the center position at the bottom of the connecting ring (5) is fixed with a limiting hole (16), and the limiting pin (13) and the limiting hole (16) are mutually matched.

5. A forming tool as claimed in claim 1, wherein: the bottom of the supporting ring (6) is provided with limiting blocks (12), the limiting blocks (12) are arranged at the bottom of the cutter head (7) in a plurality of groups, and the limiting blocks (12) are uniformly arranged at the bottom of the cutter head (7).

6. A forming tool as claimed in claim 1, wherein: be provided with blade seat (11) on tool bit (7), it has third bolt (19) to revolve in blade seat (11), third bolt (19) are fixed each other blade seat (11) and tool bit (7), be provided with blade body (8) on blade seat (11), it has second bolt (10) to revolve on blade body (8), second bolt (10) are fixed each other blade body (8) and blade seat (11).