CN212761384U

CN212761384U - PCD milling cutter with stable reinforcing structure for plastic processing

Info

Publication number: CN212761384U
Application number: CN202021800298.1U
Authority: CN
Inventors: 赵建芳; 王宝亮
Original assignee: Sanhe Yanjiao Kedun Precision Tools Co ltd
Current assignee: Sanhe Yanjiao Kedun Precision Tools Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-23
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a PCD milling cutter with stable reinforcing structure for plastic processing, which comprises a milling cutter body and a cutter head, wherein the cutter head is arranged at the bottom end of the milling cutter body, when a person inserts the cutter head into the inner cavity of a cutter handle through a connecting rod, the connecting rod extrudes a buffer block far away from one end of the cutter head, a rubber pad is arranged on the surface of the buffer block to enhance the buffer performance and the friction effect after contact, the buffer block is in an isosceles triangle shape and has higher stability, and can be extended and buffered through a buffer spring, when the cutter head and the connecting rod are not locked or have no pressure limitation, the buffer block ejects the connecting rod outwards through the buffer spring, and when the connecting rod is ejected out by the buffer block, the two sides of the connecting rod slide on the surface of the abutting block, the surface of the abutting block is provided with rollers to enable the connecting rod to drive the cutter head to eject more easily, a titanium carbonitride layer has higher hardness and wear, the surface strength of the blade is enhanced, so that the blade is not easy to break.

Description

PCD milling cutter with stable reinforcing structure for plastic processing

Technical Field

The utility model relates to a milling cutter technical field specifically is a PCD milling cutter is used in plastic working with stabilize additional strengthening.

Background

PCD milling cutters are made of polycrystalline diamond, diamond has been used for hundreds of years as a superhard cutter material for cutting, milling cutters are rotary cutters with one or more cutter teeth, each cutter tooth intermittently cuts off the allowance of a workpiece in sequence during working, and milling cutters are mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on milling machines.

At present when personnel when using PCD milling cutter, because PCD milling cutter can be high-speed rotatory when the operation, make the inner chamber take place vibrations easily, it is great if inside vibrations, can cause fixed nut or connecting piece to take place to become flexible for a long time, it is unsatisfactory to cause internal stability, when personnel dismantle PCD milling cutter, need extract PCD milling cutter to the outer end with the hand, thereby make the easy scratch personnel hand of cutting edge, give the personnel and cause the potential safety hazard, and the tool bit of long-time use, make the cutting edge appear oxidation easily or hardness not strong lead to cracked phenomenon, it is lower to cause whole life.

Aiming at the problems, the stability, the safety and the service life of the PCD milling cutter are improved. Therefore, a PCD milling cutter with a stable reinforcing structure for plastic processing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCD milling cutter is used in plastics processing with stabilize additional strengthening has improved PCD milling cutter's stability, security and life, has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PCD milling cutter with a stable reinforcing structure for plastic processing comprises a milling cutter body and a cutter head, wherein the cutter head is installed at the bottom end of the milling cutter body, the milling cutter body comprises a blind rivet, a cutter handle, a key groove, a reinforcing component and a locking nut, the lower end of the blind rivet is provided with the cutter handle, the key groove is formed in the outer surface of the cutter handle, the reinforcing component is installed in an inner cavity of the cutter handle, the locking nut is installed at one end, away from the blind rivet, of the cutter handle, and the locking nut is in;

the tool bit includes installation department and cutting edge, and the installation department is installed on the top of tool bit, and the installation department passes through the handle of a knife through lock nut, and the cutting edge has been seted up to the surface of tool bit.

Further, strengthen the subassembly and include cavity, collet chuck, connecting rod, buffer block and L template, the cavity has been seted up to the inner chamber of handle of a knife, and collet chuck is installed to lock nut's inboard, and the connecting rod is installed on the top of installation department, and the connecting rod is located the middle-end of cavity, and the buffer block is installed to the one end that lock nut was kept away from to the cavity, and the L template is installed to the both sides of buffer block.

Further, the buffer block includes sand grip, buffer spring and rubber pad, and the sand grip is installed to the both sides of buffer block, and buffer spring is installed to the one end that the connecting rod was kept away from to the sand grip, and the surface mounting of buffer block has the rubber pad, and the one end swing joint of rubber pad and connecting rod.

Further, the L template includes movable groove, pressure spring and supports tight piece, and the movable groove has been seted up to one side surface of L template, and the pressure spring is installed to the inner chamber of L template, and the pressure spring runs through the movable groove, and the one end that the movable groove was kept away from to the pressure spring is installed and is supported tight piece.

Furthermore, the abutting block comprises a roller and a connecting shaft, the roller is installed on one side surface of the abutting block, and the connecting shaft penetrates through the roller through an inner cavity of the abutting block.

Further, the cutting edge includes titanium carbonitride layer and TiSiNiN nanometer composite coating, and the surface on cutting edge has paintd the titanium carbonitride layer, and the surface on titanium carbonitride layer has paintd the TiSiNiN nanometer composite coating.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a PCD milling cutter is used in plastics processing with stabilize additional strengthening, after the personnel passes through the inner chamber that the connecting rod inserted the handle of a knife with the tool bit, the buffer block of tool bit one end is kept away from in the connecting rod will extrude, buffer block surface mounting has the cushioning nature and the friction effect after the rubber pad can strengthen the contact, the buffer block is isosceles triangle shape stability and is higher, and can stretch out and draw back the buffering through buffer spring, the tight piece of supporting of both sides can fix a position the centre gripping to the connecting rod, and support tight piece and carry out the cushion control through the pressure spring, stability after the installation of reinforcing tool bit.

2. The utility model provides a PCD milling cutter is used in plastics processing with stabilize additional strengthening, when personnel need dismantle the tool bit, lock nut and collet chuck can be unscrewed, when tool bit and connecting rod do not have locking or when not having pressure limitation, the buffer block passes through buffer spring and outwards ejecting with the connecting rod, and the buffer block is ejecting with the connecting rod, the both sides of connecting rod will be at the surface slip of supporting tight piece, it is provided with the gyro wheel and can make the more light pop-up of connecting rod drive tool bit to support the surface of tight piece, the personnel of being convenient for directly take out the tool bit, it is injured to prevent to extract the personnel that cause with strength, improve holistic security.

3. The utility model provides a PCD milling cutter is used in plastics processing with stabilize additional strengthening, the surface of cutting edge has been paintd titanium carbonitride layer and TiSiNiN nanometer composite coating, and the titanium carbonitride layer has higher hardness and wearability, mutually supports with TiSiNiN nanometer composite coating, has strengthened the surface strength of cutting edge and has made its not fragile fracture, has improved holistic life.

Drawings

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

FIG. 2 is an internal cross-sectional view of the reinforcement assembly of the present invention;

fig. 3 is a schematic structural view of an L-shaped plate of the present invention;

fig. 4 is a diagram of the surface material of the blade of the present invention.

In the figure: 1. a milling cutter body; 11. pulling nails; 12. a knife handle; 13. a keyway; 14. a reinforcement assembly; 141. a cavity; 142. a collet chuck; 143. a connecting rod; 144. a buffer block; 1441. a convex strip; 1442. a buffer spring; 1443. a rubber pad; 145. an L-shaped plate; 1451. a movable groove; 1452. a pressure spring; 1453. a propping block; 14531. a roller; 14532. a connecting shaft; 15. locking the nut; 2. a cutter head; 21. an installation part; 22. a blade; 221. a titanium carbonitride layer; 222. and (3) a TiSiNiN nano composite coating.

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.

Please refer to fig. 1, a PCD milling cutter for plastic processing with stable reinforcing structure, including milling cutter body 1 and tool bit 2, tool bit 2 is installed in the bottom of milling cutter body 1, milling cutter body 1 includes blind rivet 11, handle 12, keyway 13, strengthen subassembly 14 and lock nut 15, handle 12 is installed to the lower extreme of blind rivet 11, keyway 13 has been seted up to the surface of handle 12, strengthen subassembly 14 is installed to the inner chamber of handle 12, handle 12 is kept away from the one end of blind rivet 11 and is installed lock nut 15, lock nut 15 and handle 12 threaded connection, tool bit 2 includes installation department 21 and cutting edge 22, installation department 21 is installed on the top of tool bit 2, and installation department 21 runs through handle 12 through lock nut 15, cutting edge 22 has been seted up to the surface of tool bit 2.

Referring to fig. 2-4, a PCD milling cutter for plastic processing with a stable reinforcing structure, a reinforcing assembly 14 includes a cavity 141, a collet 142, a connecting rod 143, a buffer block 144 and an L-shaped plate 145, the cavity 141 is opened in an inner cavity of a tool holder 12, the collet 142 is installed inside a lock nut 15, the connecting rod 143 is installed at a top end of an installation part 21, the connecting rod 143 is located at a middle end of the cavity 141, the buffer block 144 is installed at an end of the cavity 141 away from the lock nut 15, the L-shaped plate 145 is installed at two sides of the buffer block 144, the buffer block 144 includes a convex strip 1441, a buffer spring 1442 and a rubber pad 1443, the convex strip 1441 is installed at two sides of the buffer block 144, the buffer spring 1442 is installed at an end of the convex strip 1441 away from the connecting rod 143, the rubber pad 1443 is installed on a surface of the buffer block 144, the rubber pad 1443 is movably connected to an end, a movable groove 1451 is formed on one side surface of the L-shaped plate 145, a pressure spring 1452 is installed in an inner cavity of the L-shaped plate 145, the pressure spring 1452 penetrates through the movable groove 1451, a resisting block 1453 is installed at one end of the pressure spring 1452 far away from the movable groove 1451, when a person inserts the tool bit 2 into the inner cavity of the tool shank 12 through the connecting rod 143, the connecting rod 143 presses the buffer block 144 far away from one end of the tool bit 2, a rubber pad 1443 is installed on the surface of the buffer block 144 to enhance the buffering and friction effects after contact, the buffer block 144 has a high isosceles triangle shape stability and can be telescopically buffered through the buffer spring 1442, the resisting blocks 1453 at both sides can position and clamp the connecting rod 143, the resisting block 1453 is buffered through the pressure spring 1452 to enhance the stability after the tool bit 2 is installed, the resisting block 1453 comprises a roller 14531 and a connecting shaft 14532, the roller 14531 is installed on one side surface of the resisting block 1453, the connecting shaft 14532 penetrates through the, when a person needs to disassemble the tool bit 2, the lock nut 15 and the collet chuck 142 can be unscrewed, when the tool bit 2 and the connecting rod 143 are not locked or are not limited by pressure, the buffer block 144 ejects the connecting rod 143 outwards through the buffer spring 1442, and the buffer block 144 ejects the connecting rod 143, and simultaneously, two sides of the connecting rod 143 slide on the surface of the abutting block 1453, the roller 14531 is arranged on the surface of the abutting block 1453, so that the connecting rod 143 can drive the tool bit 2 to eject more easily, the tool bit 2 can be taken out directly by the person conveniently, the person is prevented from being injured by pulling out with force, the safety of the whole body is improved, the cutting edge 22 comprises a titanium carbonitride layer 221 and a tisinion nano composite coating 222, the titanium carbonitride layer 221 is coated on the outer surface of the cutting edge 22, the tisin nano composite coating 222 is coated on the outer surface of the titanium carbonitride layer 221, the friction coefficient is small, the wear resistance is good, the titanium carbonitride layer 221 and the tisin nano composite coating 222 are coated on the outer surface of the cutting edge 22, titanium carbonitride layer 221 has higher hardness and wearability, mutually supports with tisini n nanometer composite coating 222, has strengthened the surface strength of cutting edge 22 and has made its not fragile fracture, has improved holistic life.

In summary, the following steps: the utility model provides a PCD milling cutter with stabilize additional strengthening for plastic working, including milling cutter body 1 and tool bit 2, after personnel insert tool bit 2 into the inner chamber of handle of a knife 12 through connecting rod 143, connecting rod 143 will extrude buffer block 144 of keeping away from tool bit 2 one end, buffer block 144 surface mounting has rubber pad 1443 can strengthen the cushioning nature and the friction effect after the contact, buffer block 144 is isosceles triangle shape stability higher, and can carry out flexible buffering through buffer spring 1442, the tight piece 1453 of both sides can carry out the location centre gripping to connecting rod 143, and the tight piece 1453 of support carries out the buffering regulation through pressure spring 1452, stability after strengthening tool bit 2 installation, when personnel need dismantle tool bit 2, can unscrew lock nut 15 and collet 142, when tool bit 2 and connecting rod 143 do not lock or when not having the pressure restriction, buffer block 144 outwards ejects connecting rod 143 through buffer spring 1442, and the buffer block 144 is ejecting the connecting rod 143, the two sides of the connecting rod 143 will slide on the surface of the abutting block 1453, the roller 14531 is arranged on the surface of the abutting block 1453, so that the connecting rod 143 can drive the tool bit 2 to pop up more easily, the tool bit 2 can be taken out directly by a person, the person can be prevented from being injured by pulling out the tool bit with force, the safety of the whole body is improved, the outer surface of the cutting edge 22 is coated with the titanium carbonitride layer 221 and the tisini nano composite coating 222, the titanium carbonitride layer 221 has higher hardness and wear resistance, the titanium carbonitride layer is matched with the tisini nano composite coating 222, the surface strength of the cutting edge 22 is enhanced, the cutting edge is broken due to the fact that the surface strength of the cutting edge 22 is enhanced, and the.

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 a PCD milling cutter is used in plastics processing with stabilize additional strengthening, includes milling cutter body (1) and tool bit (2), and the bottom at milling cutter body (1) is installed in tool bit (2), its characterized in that: the milling cutter comprises a milling cutter body (1) and is characterized in that the milling cutter body comprises a blind rivet (11), a cutter handle (12), a key groove (13), a reinforcing component (14) and a locking nut (15), the cutter handle (12) is installed at the lower end of the blind rivet (11), the key groove (13) is formed in the outer surface of the cutter handle (12), the reinforcing component (14) is installed in an inner cavity of the cutter handle (12), the locking nut (15) is installed at one end, far away from the blind rivet (11), of the cutter handle (12), and the locking nut (15) is in threaded connection;

tool bit (2) include installation department (21) and cutting edge (22), and installation department (21) are installed on the top of tool bit (2), and installation department (21) run through handle of a knife (12) through lock nut (15), and cutting edge (22) have been seted up to the surface of tool bit (2).

2. The PCD milling cutter for plastic working having a stable reinforcing structure according to claim 1, wherein: strengthen subassembly (14) and include cavity (141), collet chuck (142), connecting rod (143), buffer block (144) and L template (145), cavity (141) have been seted up to the inner chamber of handle of a knife (12), collet chuck (142) are installed to the inboard of lock nut (15), connecting rod (143) are installed on the top of installation department (21), and connecting rod (143) are located the middle-end of cavity (141), buffer block (144) are installed to the one end that lock nut (15) were kept away from in cavity (141), L template (145) are installed to the both sides of buffer block (144).

3. A PCD milling cutter for plastics processing with stabilized reinforcing structure according to claim 2, characterised in that: buffer block (144) include sand grip (1441), buffer spring (1442) and rubber pad (1443), and sand grip (1441) are installed to the both sides of buffer block (144), and buffer spring (1442) are installed to the one end that connecting rod (143) were kept away from in sand grip (1441), and the surface mounting of buffer block (144) has rubber pad (1443), and the one end swing joint of rubber pad (1443) and connecting rod (143).

4. A PCD milling cutter for plastics processing with stabilized reinforcing structure according to claim 2, characterised in that: the L-shaped plate (145) comprises a movable groove (1451), a pressure spring (1452) and a resisting block (1453), the movable groove (1451) is formed in one side surface of the L-shaped plate (145), the pressure spring (1452) is installed in an inner cavity of the L-shaped plate (145), the pressure spring (1452) penetrates through the movable groove (1451), and the resisting block (1453) is installed at one end, far away from the movable groove (1451), of the pressure spring (1452).

5. The PCD milling cutter for plastic working, having a stable reinforcing structure, according to claim 4, wherein: the abutting block (1453) comprises a roller (14531) and a connecting shaft (14532), the roller (14531) is installed on one side surface of the abutting block (1453), and the connecting shaft (14532) penetrates through the roller (14531) through an inner cavity of the abutting block (1453).

6. The PCD milling cutter for plastic working having a stable reinforcing structure according to claim 1, wherein: the cutting edge (22) comprises a titanium carbonitride layer (221) and a TiSiNiN nano composite coating (222), the titanium carbonitride layer (221) is smeared on the outer surface of the cutting edge (22), and the TiSiNiN nano composite coating (222) is smeared on the outer surface of the titanium carbonitride layer (221).