CN211707854U

CN211707854U - Punching cutter convenient to dismantle

Info

Publication number: CN211707854U
Application number: CN202020112553.7U
Authority: CN
Inventors: 张国辉; 张爱云
Original assignee: Shanghai Kaisidadao Precision Electronics Manufacturing Co ltd
Current assignee: Shanghai Kaisidadao Precision Electronics Manufacturing Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-20
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a die-cut cutter convenient to dismantle relates to cutter technical field, and it includes blade and tool rest, the blade divide into cutting edge and dead lever, cutting edge integrated into one piece sets up the one end at the dead lever, the mounting groove has been seted up to the tool rest, just the dead lever is fixed in the mounting groove, be provided with the rubber strip in the tool rest, the lateral wall butt of rubber strip and dead lever. The utility model has the advantages of reduce the inside wall emergence friction of dead lever and mounting groove to help reducing metal blade and produce magnetism and will punch a hole and make the phenomenon of iron fillings absorption on the cutting edge take place, and then improved the precision that the cutter punched a hole.

Description

Punching cutter convenient to dismantle

Technical Field

The utility model belongs to the technical field of the technique of cutter and specifically relates to a die-cut cutter convenient to dismantle is related to.

Background

A tool is a tool used for cutting machining in machine manufacturing. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. The cutting tools for cutting wood are called woodworking tools.

The current publication number is CN 207616633U's chinese patent, and it discloses a modular cutter of dismantling, including the telescopic link, the telescopic link comprises hollow rod and solid pole, the solid pole top is equipped with the base member, and the solid pole top wears to locate the base member inner chamber, base member bilateral symmetry buckle position is equipped with the spacing groove, and the spacing groove runs through the base member both sides, the solid pole passes through buckle and spacing groove swing joint with the base member, the spacing groove periphery is equipped with the rubber sleeve promptly the base member inner chamber is equipped with limit baffle, limit baffle one side is equipped with the blade, the base member inner chamber is worn to locate to the blade bottom, base member top one side is equipped with spacing hole, spacing hole runs through the base member, and spacing hole inner chamber is equipped with the screw thread, be connected with fixing bolt on the screw thread.

By adopting the scheme, in work, a worker installs the blade in the inner cavity of the base body and then fixes the blade in the base body through the limiting baffle and the limiting bolt. However, when the staff punched a hole to the sheet metal component with the help of the cutter, the dead lever of blade and the inside wall of the mounting groove of base member took place the friction, took place long-time friction when metal blade and metal base member, and metal blade will produce magnetism, and when the cutter punched a hole, iron fillings can be adsorbed on the cutting edge to when punching a hole next time, the iron fillings of adsorbing on the cutting edge can lead to punching a hole the size in hole and be greater than the size in predetermined hole, thereby the precision that the cutter punched a hole has been reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a die-cut cutter convenient to dismantle, obstruct the dead lever with the help of great frictional force between rubber strip and the dead lever and rock in the mounting groove to the phenomenon that the inside wall that has reduced dead lever and mounting groove takes place to rub takes place, and help reducing metal blade and produced magnetism and make the phenomenon of iron fillings absorption take place on the cutting edge, and then has improved the precision that the cutter punched a hole.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a die-cut cutter convenient to dismantle, includes blade and tool rest, the blade divide into cutting edge and dead lever, cutting edge integrated into one piece sets up the one end at the dead lever, the mounting groove has been seted up to the tool rest, just the dead lever is fixed in the mounting groove, be provided with the rubber strip in the tool rest, the lateral wall butt of rubber strip and dead lever.

Through adopting above-mentioned technical scheme, support the rubber strip tightly on the lateral wall of dead lever, have great frictional force between rubber strip and the dead lever, hinder the dead lever and rock in the mounting groove to the phenomenon that the dead lever takes place the friction with the inside wall of mounting groove has been reduced and has taken place, thereby has helped reducing metal blade and has produced magnetism and will punch a hole and make the phenomenon of iron fillings absorption on the cutting edge take place, and then has improved the precision that the cutter punched a hole.

The utility model discloses further set up to: the embedded groove has been seted up along mounting groove length direction on the lateral wall of mounting groove, the embedded groove is located the one side that is close to the cutting edge on the tool holder, the cutting edge upwards runs through mounting groove and embedded groove from the bottom, in the rubber strip embedding embedded groove, and the lateral wall butt of rubber strip and dead lever.

Through adopting above-mentioned technical scheme, in the work, with rubber strip embedding embedded groove, help promoting the convenience that the staff dismantled the rubber strip.

The utility model discloses further set up to: the spread groove has been seted up to the direction that is close to one side of embedded groove along one side that leans on the cutting edge from the cutter seat on the lateral wall of mounting groove, the diapire of embedded groove is link up to the spread groove, be provided with the fixed axle in the spread groove, the joint groove has been seted up on the fixed axle, the cutting edge runs through mounting groove, embedded groove and joint groove, wear to be equipped with the dead lever of cutter in the joint cover, fixed axle and spread groove threaded connection seal the rubber strip in the embedded groove.

Through adopting above-mentioned technical scheme, in operation, the staff passes through the screw thread through the fixed axle with the fixed axle and installs in the spread groove through rotating to the rubber strip seals in the embedded groove, helps reducing the phenomenon emergence that the rubber strip deviates from the embedded groove, thereby helps promoting the stability of rubber strip in the embedded groove.

The utility model discloses further set up to: the fixed slot has been seted up along perpendicular to mounting groove length direction on the cutter seat, the fixed slot link up the embedded groove, wear to be equipped with the offset in the fixed slot, the offset extends and supports tightly on the rubber strip to the embedded groove from the lateral wall of cutter seat.

Through adopting above-mentioned technical scheme, in operation, the staff supports tightly on the rubber strip with the help of the offset to this makes the rubber strip compress tightly on the dead lever, thereby has increased the frictional force between rubber strip and the dead lever, and reduces the phenomenon emergence that the dead lever rocked in the mounting groove, and then further reduces the phenomenon emergence that the dead lever takes place the friction with the inside wall of mounting groove.

The utility model discloses further set up to: the end part of the abutting pin penetrating into the fixing groove is fixed with a rubber block which abuts against the rubber strip.

By adopting the technical scheme, the rubber block is a soft material, so that the phenomenon that the rubber strip is damaged due to overlarge abutting force generated when the abutting pin abuts against the rubber strip is reduced.

The utility model discloses further set up to: the fixed slot deviates from and has seted up the dismantlement groove on one side lateral wall of embedded groove, support the fixed cover of tight round pin position in the one end threaded connection who deviates from the block rubber, fixed cover outside lateral wall threaded connection dismantlement groove.

Through adopting above-mentioned technical scheme, at the fixed cover of supporting tight round pin one end threaded connection to fixed cover threaded connection dismantles the groove, thereby helps promoting the convenience that the staff installed, dismantled the tight round pin of support.

The utility model discloses further set up to: the cutting tool comprises a tool base, and is characterized in that a key groove is formed in one side, far away from a cutting edge, of the tool base, the key groove is formed in the side wall of a mounting groove, a flat key is fixedly arranged on a fixing rod, and the flat key corresponds to the key groove in a clearance fit mode.

Through adopting above-mentioned technical scheme, fix the dead lever in the mounting groove through parallel key and keyway cooperation, help reducing the cutter dead lever when carrying out die-cut operation and take place pivoted phenomenon in the mounting groove and take place to help promoting the cutter and carry out the stability of die-cut operation.

The utility model discloses further set up to: the cutter seat is fixed with the fixed plate on the side that deviates from the cutting edge, the fixed plate passes through the bolt and seals the dead lever in the mounting groove.

Through adopting above-mentioned technical scheme, seal the dead lever in the mounting groove to reduce the phenomenon that the dead lever deviates from the mounting groove and take place, thereby help promoting the cutter to carry out the stability of die-cut operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the fixing rod is prevented from shaking in the mounting groove by means of larger friction force between the rubber strip and the fixing rod, so that the phenomenon that the fixing rod rubs with the inner side wall of the mounting groove is reduced, the phenomenon that the metal blade generates magnetism and absorbs iron chips on a cutting edge due to punching is reduced, and the punching precision of the cutter is improved;

2. the rubber strip is tightly pressed on the fixed rod by the aid of the abutting pin, so that friction between the rubber strip and the fixed rod is increased, the phenomenon that the fixed rod shakes in the installation groove is reduced, and the phenomenon that the fixed rod rubs with the inner side wall of the installation groove is further reduced;

3. pass through the screw thread with the fixed axle through rotating the fixed axle and install in the spread groove to the rubber strip seals in the embedded groove, and seals the dead lever in the mounting groove through the fixed plate, thereby helps promoting the cutter and carries out the stability of die-cut operation.

Drawings

FIG. 1 is an axial view of the present embodiment, which mainly shows the overall structure of a die cutting tool that is easy to disassemble;

FIG. 2 is an exploded view of the present embodiment, primarily embodying a readily removable piercing cutter;

fig. 3 is a sectional view taken along the plane a-a of fig. 2, which mainly shows the structure of the tool holder.

Reference numerals: 1. a blade; 11. a cutting edge; 12. fixing the rod; 112. a flat bond; 2. a tool holder; 21. mounting grooves; 22. connecting grooves; 23. a groove is embedded; 24. fixing grooves; 241. disassembling the groove; 25. a keyway; 3. a fixed shaft; 31. a connecting plate; 32. a clamping groove; 4. a rubber strip; 5. a support pin; 51. a rubber block; 52. fixing a sleeve; 6. and (7) fixing the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, a die-cut cutter convenient to dismantle, including blade 1 and tool rest 2, blade 1 divide into cutting edge 11 and dead lever 12, cutting edge 11 integrated into one piece sets up the one end at dead lever 12, tool rest 2 has seted up mounting groove 21 from upwards down, cutting edge 11 runs through mounting groove 21 from upwards down, and dead lever 12 and mounting groove 21 clearance fit and dead lever 12 can dismantle to be fixed in mounting groove 21, be provided with rubber strip 4 in the tool rest 2, rubber strip 4 evenly is provided with two in tool rest 2 around mounting groove 21 axis, two rubber strips 4 and the lateral wall butt of dead lever 12.

Referring to fig. 2 and 3, a connecting groove 22 is formed in one side, close to the cutting edge 11, of the tool holder 2 from top to bottom, the connecting groove 22 penetrates through the mounting groove 21 and is coaxial with the mounting groove 21, the radius of the connecting groove 22 is larger than that of the mounting groove 21 and forms an upward step surface, an embedded groove 23 is formed in the step surface of the connecting groove 22 from top to bottom, the embedded groove 23 is communicated with the connecting groove 22, and the embedded groove 23 is uniformly formed in the tool holder 2 around the axis of the connecting groove 22. The rubber strip 4 is inserted into the corresponding insertion groove 23. Be provided with fixed axle 3 in the spread groove 22, the one end integrated into one piece of fixed axle 3 has connecting plate 31, has seted up joint groove 32 along the 3 axial of fixed axle on the fixed axle 3, and joint groove 32 link up connecting plate 31, and cutting edge 11 runs through mounting groove 21 and joint groove 32, the lateral wall butt of rubber strip 4 and dead lever 12 to fixed axle 3 and spread groove 22 threaded connection and seal rubber strip 4 in embedded groove 23.

In operation, the worker fixes the fixing rod 12 in the mounting groove 21 and inserts the rubber strip 4 into the insertion groove 23; then, the worker screws the connecting plate 31 to screw the fixed shaft 3 to the connecting groove 22, thereby closing the rubber strip 4 in the fitting groove 23.

Referring to fig. 2 and 3, a fixing groove 24 is formed in the cutter holder 2 along the length direction of the vertical mounting groove 21, the fixing groove 24 penetrates through the outer side wall of the cutter holder 2 to the embedded groove 23, a fastening pin 5 penetrates through the fixing groove 24, a rubber block 51 is fixedly arranged at the end portion of the fastening pin 5 penetrating through the fixing groove 24, one end of the fastening pin 5, which is fixed with the rubber block 51, extends from the outer side wall of the cutter holder 2 to the embedded groove 23, and the rubber block 51 is fastened on the rubber strip 4. The fixing groove 24 deviates from the side wall of one side of the embedded groove 23 and is provided with a dismounting groove 241, the fixing groove 24 and the dismounting groove 241 are coaxially arranged, the fastening pin 5 is located on the fixing sleeve 52 deviating from one end of the rubber block 51 in threaded connection, and the side wall of the outer side of the fixing sleeve 52 is in threaded connection with the dismounting groove 241.

In operation, the worker fixes the abutting pin 5 on the fixing sleeve 52 through threaded connection, rotates the fixing sleeve 52 to fix the abutting bolt in the fixing groove 24, and abuts the rubber block 51 on the abutting pin 5 on the rubber strip 4.

The key groove 25 is formed in one side, far away from the cutting edge 11, of the tool seat 2 from bottom to top, the key groove 25 is formed in the side wall of the mounting groove 21, the flat key 112 is fixedly arranged on the fixing rod 12, and the flat key 112 is in clearance fit with the key groove 25. A fixing plate 6 is screwed on the side of the tool seat 2 facing away from the cutting edge 11.

During work, a worker sequentially penetrates through the mounting groove 21 and the clamping groove 32 at one end of the blade 1 close to the cutting edge 11, and the flat key 112 on the fixing rod 12 is in clearance fit with the key groove 25, so that the fixing rod 12 is fixed in the mounting groove 21; the worker fixes the fixing plate 6 at a side of the tool rest 2 away from the cutting edge 11 by means of bolts and fixes the fixing rod 12 in the mounting groove 21, thereby preventing the fixing rod 12 from coming out of the mounting groove 21.

In conclusion, the worker sequentially penetrates the mounting groove 21 and the clamping groove 32 at one end of the blade 1 close to the cutting edge 11, and the flat key 112 on the fixing rod 12 is in clearance fit with the key groove 25; then the worker inserts the rubber strip 4 into the insertion groove 23; the worker twists the connecting plate 31 and threadedly connects the fixed shaft 3 with the connecting groove 22, thereby closing the rubber strip 4 in the insertion groove 23; the worker fixes the resisting pin 5 on the fixing sleeve 52 through threaded connection, rotates the fixing sleeve 52 to fix the resisting bolt in the fixing groove 24, and enables the rubber block 51 on the resisting pin 5 to be tightly pressed on the rubber strip 4; finally, the worker fixes the fixing plate 6 on the side of the cutter seat 2 departing from the cutting edge 11 through the bolt, so that the fixing rod 12 is fixed in the mounting groove 21, and the phenomenon that the fixing rod 12 is separated from the mounting groove 21 is prevented.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all 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

1. The utility model provides a die-cut cutter convenient to dismantle, includes blade (1) and cutter seat (2), blade (1) divide into cutting edge (11) and dead lever (12), cutting edge (11) integrated into one piece sets up the one end at dead lever (12), mounting groove (21) have been seted up in cutter seat (2), a serial communication port, dead lever (12) and mounting groove (21) clearance fit, be provided with on dead lever (12) and be used for fixing the mounting on cutter seat (2) with dead lever (12) dismantlement, be provided with rubber strip (4) in cutter seat (2), the lateral wall butt of rubber strip (4) and dead lever (12).

2. The punching tool convenient to disassemble and assemble as claimed in claim 1, wherein an embedded groove (23) is formed in the side wall of the mounting groove (21) along the length direction of the mounting groove (21), the embedded groove (23) is located on one side, close to the cutting edge (11), of the tool base (2), the cutting edge (11) penetrates through the mounting groove (21) and the embedded groove (23) from bottom to top, the rubber strip (4) is embedded in the embedded groove (23), and the rubber strip (4) is abutted to the side wall of the fixing rod (12).

3. The punching tool convenient to disassemble and assemble as claimed in claim 2, wherein the side wall of the mounting groove (21) is provided with a connecting groove (22) along one side close to the cutting edge (11) from the tool holder (2) to the direction close to one side of the embedded groove (23), the connecting groove (22) penetrates through the embedded groove (23), the connecting groove (22) is provided with a fixed shaft (3), the fixing groove (32) is provided on the fixed shaft (3), the cutting edge (11) penetrates through the mounting groove (21), the embedded groove (23) and the clamping groove (32), the fixed shaft (3) is in threaded connection with the connecting groove (22) and seals the rubber strip (4) in the embedded groove (23).

4. The easy-to-detach punching tool according to claim 3, characterized in that a fixing groove (24) is formed in the tool seat (2) along a direction perpendicular to the length direction of the mounting groove (21), the fixing groove (24) penetrates through the embedded groove (23), a resisting pin (5) penetrates through the fixing groove (24), and the resisting pin (5) extends from the outer side wall of the tool seat (2) to the embedded groove (23) and is tightly contacted with the rubber strip (4).

5. A readily removable piercing tool as claimed in claim 4, characterized in that the end of the abutment pin (5) penetrating into the holding groove (24) is fixed with a rubber block (51), the rubber block (51) abutting against the rubber strip (4).

6. A punching tool convenient for disassembly according to claim 4, wherein a disassembly groove (241) is formed on one side wall of the fixing groove (24) departing from the embedding groove (23), the tightening pin (5) is positioned at one end departing from the rubber block (51) and is in threaded connection with the fixing sleeve (52), and the outer side wall of the fixing sleeve (52) is in threaded connection with the disassembly groove (241).

7. A readily removable cutting tool according to claim 1, characterized in that the tool holder (2) is provided with a key slot (25) on the side remote from the cutting edge (11), the key slot (25) is provided on the side wall of the mounting groove (21), the fixing member is provided with a flat key (112), the flat key (112) is fixed on the fixing rod (12), and the flat key (112) and the key slot (25) are correspondingly in clearance fit.

8. A readily removable piercing tool as claimed in claim 7, characterized in that a securing plate (6) is secured to the tool holder (2) on the side facing away from the cutting edge (11), the securing plate (6) enclosing the securing rod (12) and the flat key (112) in the mounting groove (21) by means of screws.