CN219752652U - Cutter head equipment - Google Patents

Abstract

The utility model relates to cutterhead equipment, which relates to the technical field of sewing equipment and comprises a cutting board for connecting a sewing machine, a movable cutter frame connected to the cutting board in a sliding way, a blade assembly arranged on the movable cutter frame and a fixed blade arranged on the cutting board, wherein the fixed blade is abutted against the blade assembly to cut, a sliding piece is arranged on one side, close to the movable cutter frame, of the cutting board, a sliding groove for the sliding piece to penetrate through and slide is formed in the movable cutter frame, a driving air cylinder assembly for driving the movable cutter frame to move along the length direction of the sliding groove is formed in the cutting board, a through groove for the driving air cylinder assembly to embed is formed in the cutting board, and an air pipe elbow for connecting with an air conveying piece is formed in the cutting board and is used for communicating the through groove with the outside. The utility model has the effect of prolonging the service life of the sliding piece.

Description

Cutter head equipment

Technical Field

The utility model relates to the technical field of sewing equipment, in particular to cutterhead equipment.

Background

A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads. The sewing machine can sew cotton, hemp, silk, wool, artificial fiber and other fabrics, leather, plastic, paper and other products, and the sewn stitch is neat, beautiful, flat and firm, and has high sewing speed and simple and convenient use.

In the related art, a cutter device is configured on the existing multi-needle sewing machine, and the cutter device is used for cutting off the suture after each sewing is finished, so that the automatic thread cutting function of the sewing machine is realized. The cutter head equipment comprises a cutter plate used for connecting a sewing machine, a movable cutter frame connected to the cutter plate in a sliding manner and a blade assembly arranged on the movable cutter frame, wherein the blade assembly is used for cutting, a sliding piece is arranged on the cutter plate, a sliding groove used for the sliding piece to penetrate through and slide is formed in the movable cutter frame, a driving cylinder assembly used for driving the movable cutter frame to move along the length direction of the sliding groove is arranged on the cutter plate, a through groove used for the driving cylinder assembly to insert is formed in the cutter plate, and the movable cutter frame and the cutter plate are driven to move relatively through the driving cylinder assembly, so that cutting is performed.

With respect to the related art in the above, the inventors found the following drawbacks: because drive cylinder subassembly inlays the logical inslot of locating on the cutting board, when the relative motion takes place between drive cylinder subassembly drive movable knife rest and cutting board, because the length direction of drive cylinder subassembly is unanimous with the direction of motion of movable knife rest to lead to the drive force of drive cylinder subassembly output great, cause the damage of sliding part in movable knife rest and the cutting board relative motion easily, and then reduce the life of sliding part, still have the space of improvement.

Disclosure of Invention

In order to prolong the service life of the sliding piece, the utility model provides cutterhead equipment.

The utility model provides cutterhead equipment, which adopts the following technical scheme:

the utility model provides a cutterhead equipment, is in including being used for connecting sewing machine's cutting board, sliding connection movable knife rest on the cutting board, set up in blade subassembly on the movable knife rest and set up in fixed blade on the cutting board, fixed blade with blade subassembly butt is in order to cut, the cutting board is close to one side of movable knife rest is provided with the slider, set up on the movable knife rest and supply the slider wears to establish and slide the groove that slides, be provided with on the cutting board and be used for the drive movable knife rest is followed the drive cylinder subassembly that the groove length direction that slides moved, set up on the cutting board and supply drive cylinder subassembly is inlayed and is established logical groove, be provided with on the cutting board and be used for carrying out the tracheal elbow of being connected with the gas transmission spare, tracheal elbow is used for the intercommunication logical groove and external world.

Through adopting above-mentioned technical scheme, set up the trachea elbow on the cutting board, communicate logical groove and external through the trachea elbow to make external gas transmission spare with gaseous input to logical inslot, thereby conveniently control the drive cylinder subassembly, and make the gaseous of input turn to through the trachea elbow, reduce the speed of input to logical inslot, thereby reduce the instantaneous driving force of drive cylinder subassembly output, make movable knife rest and cutting board relative motion in the slider be difficult to receive the damage, and then the life of extension slider.

Optionally, an air pipe joint is arranged on one side of the air pipe elbow away from the knife board.

Through adopting above-mentioned technical scheme, set up the air pipe joint on the air pipe elbow, conveniently be connected external gas transmission spare and air pipe elbow through the air pipe joint.

Optionally, the driving cylinder assembly comprises a cylinder rod piece, a cylinder piston, a cylinder front end cover, a cylinder rear end cover and a cylinder connecting block;

the cylinder rod piece passes through the through groove, the cylinder piston is arranged at the end part on the cylinder rod piece, the cylinder front end cover is arranged at one side of the cutter plate close to the cylinder piston, the cylinder front end cover is used for fixing and limiting the cylinder piston, the cylinder rear end cover is used for the cylinder rod piece to pass through and limiting the cylinder piston, the cylinder connecting block is arranged at one side of the cylinder rod piece far away from the cylinder front end cover, and the cylinder connecting block is used for pushing the movable cutter frame to move.

Through adopting above-mentioned technical scheme, through the removal of gas promotion cylinder piston, the cylinder piston drives the cylinder member and removes, and the cylinder member drives the cylinder connecting block and removes, and the cylinder connecting block promotes movable knife rest and removes to make and carry out relative movement between cutting board and the movable knife rest, conveniently cut.

Optionally, a shockproof washer is sleeved on the cylinder rod piece, the shockproof washer is located between the cylinder connecting block and the cylinder rear end cover, and the shockproof washer is located between the cylinder front end cover and the cutter plate.

Through adopting above-mentioned technical scheme, cover and set up the shock-proof packing ring on the cylinder member, make cylinder connecting block and cylinder rear end cap non-direct contact through the shock-proof packing ring to reduce the wearing and tearing between cylinder connecting block and the cylinder rear end cap, extension cylinder connecting block and the life of cylinder rear end cap, make non-direct contact between cylinder front end cap and the cutting board through the shock-proof packing ring, thereby reduce the wearing and tearing between cylinder front end cap and the cutting board, extension cylinder front end cap and the life of cutting board.

Optionally, the driving cylinder assembly further comprises a clamping spring for limiting and fixing the front end cover of the cylinder, and the clamping spring is arranged on the cutter plate.

Through adopting above-mentioned technical scheme, spacing and be fixed in the cutting board with the cylinder front end housing through the jump ring to make things convenient for the operator to install or dismantle the cylinder front end housing.

Optionally, a protrusion is provided on a side of the cylinder connecting block, which is close to the movable tool rest, and a jack for inserting and clamping the protrusion is provided on the movable tool rest.

Through adopting above-mentioned technical scheme, set up the arch on the cylinder connecting block, insert and the joint in the jack through protruding to make things convenient for the cylinder connecting block to drive movable knife rest and remove, and make things convenient for cylinder connecting block and movable knife rest to install or dismantle.

Optionally, the blade assembly includes at least two movable blades and a fixing strip for fixing the movable blades, and the fixing strip is located at one side of the movable blades away from the movable knife rest.

Through adopting above-mentioned technical scheme, fix movable blade through the fixed strip to make movable blade be difficult for following movable knife rest and drop.

Optionally, the blade assembly further comprises a blade pad located between the movable blade and the movable blade carrier.

By adopting the technical scheme, the blade gasket is arranged between the movable blade and the movable blade holder, so that the movable blade and the movable blade holder are not in direct contact, the abrasion between the movable blade and the movable blade holder is reduced, and the service lives of the movable blade and the movable blade holder are prolonged.

Optionally, the blade assembly further comprises a connecting plate for connecting and fixing the blade pad, the connecting plate being located between the blade pad and the movable blade.

Through adopting above-mentioned technical scheme, connect and fix on the movable knife rest with the blade gasket through the connecting plate to make the blade gasket be difficult to drop from the movable knife rest, and make blade gasket and movable blade not direct contact through the connecting plate, reduce the wearing and tearing between blade gasket and the movable blade, extension blade gasket and movable blade's life.

Optionally, a rolling bearing is sleeved on the sliding piece and is used for rolling and abutting with the groove wall of the sliding groove.

Through adopting above-mentioned technical scheme, establish rolling bearing on the slider, make rolling bearing and the cell wall roll butt in the slip groove when the slider removes the in-process to reduce the wearing and tearing between the cell wall in slider and the slip groove, extension slider and movable knife rest's life.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the cutter plate is provided with a gas pipe elbow, the through groove is communicated with the outside through the gas pipe elbow, so that the outside gas transmission piece inputs gas into the through groove, the driving cylinder assembly is conveniently controlled, the input gas is turned through the gas pipe elbow, the speed of inputting into the through groove is reduced, the instant driving force output by the driving cylinder assembly is reduced, the sliding piece is not easily damaged in the relative movement of the movable cutter frame and the cutter plate, and the service life of the sliding piece is prolonged;

2. the air pipe joint is arranged on the air pipe elbow, so that an external air conveying piece can be conveniently connected with the air pipe elbow through the air pipe joint;

3. set up the arch on the cylinder connecting block, insert and the joint in the jack through protruding to make things convenient for the cylinder connecting block to drive movable knife rest and remove, and make things convenient for cylinder connecting block and movable knife rest to install or dismantle.

Drawings

Fig. 1 is an exploded schematic view of a cutterhead apparatus in an embodiment of the present utility model.

Reference numerals illustrate: 1. a knife board; 2. a movable tool rest; 3. a blade assembly; 4. a fixed blade; 5. a sliding member; 6. a slip groove; 7. a drive cylinder assembly; 8. a through groove; 9. a tracheal elbow; 10. an air pipe joint; 11. a cylinder rod piece; 12. a cylinder piston; 13. a cylinder front end cover; 14. a cylinder rear end cover; 15. a cylinder connecting block; 16. a vibration-proof washer; 17. clamping springs; 18. a protrusion; 19. a jack; 20. a movable blade; 21. a fixing strip; 22. a blade pad; 23. a connecting plate; 24. a rotating bearing; 25. a wire clamping elastic sheet; 26. a fixing plate; 27. a pressure spring plate; 28. and adjusting the spring plate.

Description of the embodiments

The present utility model will be described in further detail with reference to fig. 1.

Referring to fig. 1, an embodiment of the present utility model discloses a cutterhead apparatus including a blade plate 1, a movable blade holder 2, a blade assembly 3, and a fixed blade 4. The knife board 1 is used for connecting a sewing machine, the movable knife rest 2 is connected to the knife board 1 in a sliding manner, the length direction of the movable knife rest 2 is consistent with the length direction of the knife board 1, and the moving direction of the movable knife rest 2 is mutually perpendicular to the length direction of the knife board 1. The blade assembly 3 is mounted on the movable blade holder 2, and the blade assembly 3 comprises at least two movable blades 20, a fixed bar 21, a blade pad 22 and a connecting plate 23. The length direction of the movable blade 20 is consistent with the moving direction of the movable knife rest 2, the fixed strip 21 is arranged on the movable knife rest 2 through bolts, the fixed strip 21 is positioned on one side of the movable blade 20 away from the movable knife rest 2, and the fixed strip 21 is used for fixing the movable blade 20 on the movable knife rest 2 through bolts, so that the movable blade 20 is not easy to fall off from the movable knife rest 2. The blade gaskets 22 are positioned between the movable blade 20 and the movable blade holder 2, the number of the blade gaskets 22 is consistent with that of the movable blade 20, and the movable blade 20 is not in direct contact with the movable blade holder 2 through the blade gaskets 22, so that abrasion between the movable blade 20 and the movable blade holder 2 is reduced, and the service lives of the movable blade 20 and the movable blade holder 2 are prolonged. The connecting plate 23 is used for connecting and fixing the gaskets of the blades 4, the connecting plate 23 is positioned between the blade gaskets 22 and the movable blades 20, the length direction of the connecting plate 23 is consistent with the length direction of the fixed strip 21, and the blade gaskets 22 are not easy to fall off from the movable knife rest 2 through the connecting plate 23. The two ends of the fixed blade 4 along the length direction are respectively arranged on one side of the knife board 1, which is close to the movable knife rest 2, through bolts, and the fixed blade 4 is used for mutually abutting against the movable blade 20 so as to cut objects. In this embodiment, the movable blade 20 is located at the middle position of the movable blade holder 2, twelve movable blades 20 and twelve blade gaskets 22 are respectively disposed, each movable blade 20 is mounted on the movable blade holder 2 through two bolts, and two ends of the fixing strip 21 along the length direction are mounted on the movable blade holder 2 through two bolts respectively, so that the movable blade 20 and the fixing strip 21 are not easy to fall off from the movable blade holder 2.

Referring to fig. 1, a sliding piece 5 is installed on one side of a knife board 1, which is close to a movable knife rest 2, a sliding groove 6 for the sliding piece 5 to penetrate and slide is formed in the movable knife rest 2, the length direction of the sliding groove 6 is consistent with that of a movable knife blade 20, a rotating bearing 24 used for rolling and abutting against the groove wall of the sliding groove 6 is sleeved on the sliding piece 5, abrasion between the sliding piece 5 and the groove wall of the sliding groove 6 is reduced through the rotating bearing 24, and the service life between the sliding piece 5 and the movable knife rest 2 is prolonged. In this embodiment, the sliding members 5 are provided in total of four, and the four sliding members 5 are divided into two groups, and the two groups of sliding members 5 are symmetrically disposed about a middle position along the length direction of the movable blade holder 2.

Referring to fig. 1, a driving cylinder assembly 7 for driving a movable tool rest 2 to move along the length direction of a sliding groove 6 is mounted on a tool plate 1, the driving cylinder assembly 7 comprises a cylinder rod 11, a cylinder piston 12, a cylinder front end cover 13, a cylinder rear end cover 14, a cylinder connecting block 15 and a clamp spring 17, a through groove 8 for the cylinder rod 11 to pass through is formed in the tool plate 1, the inner diameter of the through groove 8 is larger than the diameter of the cylinder rod 11, the cylinder piston 12 is fixedly mounted at the end part of the cylinder rod 11, close to the tool bit direction of a movable blade 20, the cylinder front end cover 13 is mounted at one side of the tool plate 1, close to the cylinder piston 12, the cylinder front end cover 13 is used for fixing a limiting cylinder piston 12, and the cylinder front end cover 13 is used for covering and sealing the through groove 8. The clamp spring 17 is arranged on the knife board 1, the clamp spring 17 is positioned on one side of the front end cover 13 of the air cylinder, which is far away from the piston 12 of the air cylinder, and the clamp spring 17 is used for limiting and fixing the front end cover 13 of the air cylinder on the knife board 1, so that an operator can conveniently install or detach the front end cover 13 of the air cylinder. In the present embodiment, there are two driving cylinder assemblies 7 in total, and the two driving cylinder assemblies 7 are symmetrically disposed with respect to an intermediate position along the length direction of the blade 1.

Referring to fig. 1, a cylinder connecting block 15 is installed at a side of the cylinder rod 11 away from the cylinder front cover 13, and the cylinder connecting block 15 is used for pushing the movable blade holder 2 to move. The cylinder connecting block 15 is provided with protruding 18 in an organic whole near one side of movable knife rest 2, and the cross-sectional area of protruding 18 is less than the cross-sectional area of cylinder connecting block 15, has offered the jack 19 that supplies protruding 18 to insert and joint on the movable knife rest 2, and jack 19 is located along the length direction of sliding groove 6 near one side of movable blade 20 tool bit. The cylinder piston 12 drives the cylinder rod piece 11 to move, the cylinder rod piece 11 drives the cylinder connecting block 15 to move, and the cylinder connecting block 15 drives the movable tool rest 2 to move.

Referring to fig. 1, a cylinder rear cover 14 is mounted on a side of the knife board 1 away from the cylinder front cover 13, the cylinder rear cover 14 supplies air to the cylinder rod 11 to pass through and limit the cylinder piston 12, the cylinder piston 12 is not easily moved out of the through groove 8 by the cylinder rear cover 14, and the through groove 8 is covered and sealed by the cylinder rear cover 14.

Referring to fig. 1, two anti-vibration washers 16 are sleeved on the cylinder rod 11, one of the anti-vibration washers 16 is located between the cylinder connecting block 15 and the cylinder rear end cover 14, and the other anti-vibration washer 16 is located between the cylinder front end cover 13 and the cutter plate 1. The cylinder connecting block 15 is not in direct contact with the cylinder rear end cover 14 through the shockproof gasket 16, so that abrasion between the cylinder connecting block 15 and the cylinder rear end cover 14 is reduced, and the service lives of the cylinder connecting block 15 and the cylinder rear end cover 14 are prolonged. The cylinder front end cover 13 is not in direct contact with the knife board 1 through the shockproof gasket 16, so that abrasion between the cylinder front end cover 13 and the knife board 1 is reduced, and the service lives of the cylinder front end cover 13 and the knife board 1 are prolonged.

Referring to fig. 1, a gas pipe elbow 9 for connecting with an external gas transmission member is installed on the knife board 1, the gas pipe elbow 9 is located at two sides along the length direction of the knife board 1, and the gas pipe elbow 9 is used for communicating the communication groove 8 with the external. The outside air enters the through groove 8 through the air pipe elbow 9 to be turned and buffered, so that the speed input into the through groove 8 is reduced, the instant driving force output by the driving air cylinder assembly 7 is reduced, the sliding piece 5 is not easy to damage in the relative movement of the movable tool rest 2 and the tool plate 1, and the service life of the sliding piece 5 is prolonged.

Referring to fig. 1, an air pipe joint 10 is installed at one side of the air pipe elbow 9 far away from the knife board 1, and an operator is convenient to connect an external air transmission piece with the air pipe elbow 9 through the air pipe joint 10, so that the installation efficiency is improved.

Referring to fig. 1, a fixing plate 26 is mounted on a blade plate 1 by bolts, and a spacer is mounted between the fixing plate 26 and the blade plate 1, thereby reducing wear between the fixing plate 26 and the blade plate 1. The wire clamping elastic pieces 25 used for abutting against the movable blade 20 are mounted on one side, close to the movable blade 20, of the fixed plate 26 through bolts, the number of the wire clamping elastic pieces 25 is corresponding to that of the movable blade 20, and the length direction of the wire clamping elastic pieces 25 is consistent with that of the movable blade 20. A pressure spring piece 27 is arranged between the thread clamping spring piece 25 and the fixed plate 26, and the pressure spring piece 27 is used for driving the thread clamping spring piece 25 to abut against the movable blade 20, so that the movable blade 20 can always abut against the fixed blade 4. An adjusting spring piece 28 is arranged on one side of the fixed plate 26 away from the pressure spring piece 27, and the adjusting spring piece 28 is used for adjusting the pressure exerted by the pressure spring piece 27 on the thread clamping spring piece 25, so that the tightness degree between the movable blade 20 and the fixed blade 4 is adjusted. One end of the adjusting spring piece 28 is abutted against the pressure spring piece 27, the other end of the adjusting spring piece 28 is connected with any position of the fixed plate 26 through a bolt, and the adjusting spring piece 28 is in a bending deformation state, so that when the tightness degree of the bolt between the adjusting spring piece 28 and the fixed plate 26 is rotated, the force applied by the adjusting spring piece 28 to the pressure spring piece 27 is changed.

The using process of the cutterhead equipment provided by the embodiment of the utility model comprises the following steps:

1. the outside air conveying piece is connected with the air pipe elbow 9 through the air pipe connector 10, when air is input into the through groove 8, the air cylinder piston 12 is controlled to move towards the direction close to the cutter head of the movable blade 20, the air cylinder piston 12 drives the air cylinder rod piece 11 to move, the air cylinder rod piece 11 drives the air cylinder connecting block 15 to move, the air cylinder connecting block 15 drives the movable cutter rest 2 to move, the movable cutter rest 2 drives the movable blade 20 to move, and accordingly the movable blade 20 and the fixed blade 4 are abutted against each other to cut an object.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A cutterhead apparatus characterized by: including being used for connecting cutting board (1) of sewing machine, sliding connection be in movable knife rest (2) on cutting board (1), set up in blade subassembly (3) on movable knife rest (2) and set up in fixed blade (4) on cutting board (1), fixed blade (4) with blade subassembly (3) butt is in order to cut, cutting board (1) is close to one side of movable knife rest (2) is provided with slider (5), set up on movable knife rest (2) and supply slider (5) wear to establish and slide sliding groove (6), be provided with on cutting board (1) and be used for the drive movable knife rest (2) are followed sliding groove (6) length direction carries out the drive cylinder subassembly (7), set up on cutting board (1) and supply drive cylinder subassembly (7) are inlayed logical groove (8) of establishing, be provided with on cutting board (1) and be used for carrying out tracheal elbow (9) that are connected with the gas transmission piece, tracheal elbow (9) are used for leading to communicate with external world (8).

2. A cutterhead apparatus according to claim 1, wherein: an air pipe joint (10) is arranged on one side of the air pipe elbow (9) away from the knife board (1).

3. A cutterhead apparatus according to claim 1, wherein: the driving cylinder assembly (7) comprises a cylinder rod piece (11), a cylinder piston (12), a cylinder front end cover (13), a cylinder rear end cover (14) and a cylinder connecting block (15);

the cylinder rod piece (11) is followed pass in the logical groove (8), cylinder piston (12) set up in tip on cylinder rod piece (11), cylinder front end housing (13) install in knife board (1) be close to one side of cylinder piston (12), cylinder front end housing (13) are used for fixed spacing cylinder piston (12), cylinder rear end housing (14) supply cylinder rod piece (11) pass and spacing cylinder piston (12), cylinder connecting block (15) set up in one side that cylinder rod piece (11) kept away from cylinder front end housing (13), cylinder connecting block (15) are used for promoting movable knife rest (2) remove.

4. A cutterhead apparatus according to claim 3, wherein: the cylinder rod piece (11) is sleeved with a shockproof gasket (16), the shockproof gasket (16) is located between the cylinder connecting block (15) and the cylinder rear end cover (14), and the shockproof gasket (16) is located between the cylinder front end cover (13) and the cutter plate (1).

5. A cutterhead apparatus according to claim 3, wherein: the driving cylinder assembly (7) comprises a clamp spring (17) used for limiting and fixing the front end cover (13) of the cylinder, and the clamp spring (17) is arranged on the cutter plate (1).

6. A cutterhead apparatus according to claim 3, wherein: the cylinder connecting block (15) is close to one side of the movable tool rest (2) and is provided with a bulge (18), and the movable tool rest (2) is provided with a jack (19) for inserting and clamping the bulge (18).

7. A cutterhead apparatus according to claim 1, wherein: the blade assembly (3) comprises at least two movable blades (20) and a fixing strip (21) for fixing the movable blades (20), wherein the fixing strip (21) is positioned on one side, far away from the movable blade rest (2), of the movable blades (20).

8. The cutterhead apparatus of claim 7, wherein: the blade assembly (3) further comprises a blade pad (22), the blade pad (22) being located between the movable blade (20) and the movable blade holder (2).

9. The cutterhead apparatus of claim 8, wherein: the blade assembly (3) further comprises a connecting plate (23) for connecting and fixing the blade pad (22), the connecting plate (23) being located between the blade pad (22) and the movable blade (20).

10. A cutterhead apparatus according to claim 1, wherein: the sliding piece (5) is sleeved with a rotating bearing (24) which is used for rolling and abutting with the groove wall of the sliding groove (6).