CN221441137U

CN221441137U - Cutter clamping mechanism

Info

Publication number: CN221441137U
Application number: CN202323587098.9U
Authority: CN
Inventors: 卢革委; 卢如栩
Original assignee: Zhejiang Boma Electromechanical Technology Co ltd
Current assignee: Zhejiang Boma Electromechanical Technology Co ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-07-30
Anticipated expiration: 2033-12-27

Abstract

The utility model discloses a cutter clamping mechanism, which comprises a cutter bar assembly, wherein a cutter blade is arranged at the first end of the cutter bar assembly through a clamping block; the fixed seat is in sliding fit with the cutter bar assembly; still include eccentric weight axle, drive eccentric weight axle pivoted actuating mechanism and link assembly, link assembly's one end and eccentric weight axle rotate to be connected, link assembly's the other end and the second end of cutter arbor subassembly rotate to be connected, still include first clamp cutter piece seat and the second clamp cutter piece seat that set gradually along blade length direction, first clamp cutter piece seat and second clamp cutter piece seat pass through blade disc support fixed connection, all be equipped with clamp cutter piece on first clamp cutter piece seat and the second clamp cutter piece seat, be equipped with the clamp cutter wheel that is used for the centre gripping of pair blade on the clamp cutter piece, still be equipped with the wobbling clamp cutter subassembly of restriction blade on the blade disc support, utilize clamp cutter wheel and clamp cutter subassembly restriction blade's swing, strengthen the stability of blade reciprocating motion in-process, improve the cutting effect of cloth.

Description

Cutter clamping mechanism

Technical Field

The utility model relates to the technical field of cloth cutting, in particular to a cutter clamping mechanism.

Background

Along with the promotion of the degree of mechanization, most of all industries develop towards the direction of mechanization and automation, and the mechanization and automation are realized in the field of cloth cutting, and most of the existing cloth cutting can be applied to a cutting bed.

The up-and-down reciprocating motion of the cutter is usually realized by adopting a crank mechanism, but in the actual use process, technicians find that the crank mechanism easily affects the cutting precision, and when the crank mechanism drives the cutter to move along the cutter body direction, the cutter can vibrate along the thickness direction of the cutter body due to the longer length of the cutter blade, so that the problem of irregular cloth cuts occurs.

Therefore, how to design a blade clamping mechanism for improving the uniformity of cloth cuts is a technical problem to be solved by the person skilled in the art.

Disclosure of utility model

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a cutter clamping mechanism which can strengthen the clamping of a blade and improve the uniformity of cloth cuts.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A cutter clamping mechanism comprises a cutter bar assembly, wherein a cutter blade is arranged at a first end of the cutter bar assembly through a clamping block; the fixed seat is in sliding fit with the cutter bar assembly; still include eccentric weight axle, drive eccentric weight axle pivoted actuating mechanism and link assembly, link assembly's one end is rotated with eccentric weight axle and is connected, link assembly's the other end is rotated with the second end of cutter arbor subassembly and is connected, still include first clamp cutter piece seat and the second clamp cutter piece seat that set gradually along blade length direction, first clamp cutter piece seat and second clamp cutter piece seat pass through blade disc support fixed connection, all are equipped with clamp cutter piece on first clamp cutter piece seat and the second clamp cutter piece seat, be equipped with the clamp cutter wheel that is used for the centre gripping of pair blade on the clamp cutter piece, still be equipped with the clamp cutter subassembly that restricts blade wobbling on the blade disc support.

Further, be equipped with the mounting groove that runs through from top to bottom on pressing from both sides the sword piece, press from both sides the sword wheel including side and press from both sides the sword wheel including the side, wherein, the side presss from both sides the sword wheel and is equipped with two and be located the both sides of blade respectively, and the side presss from both sides the sword wheel and rotates and install in the mounting groove, and the side presss from both sides the side wall butt of sword wheel and blade, back of the body presss from both sides the sword wheel and rotates and install in the mounting groove, back of the body butt of the body clamp sword wheel and blade.

Further, press from both sides the sword subassembly and include pressing from both sides blade holder, first clamp blade and second clamp blade, press from both sides blade holder fixed mounting and set up along the length direction of blade on the blade disc support, first clamp blade and second clamp blade pass through the bolt and fix respectively in the both sides of pressing from both sides the blade holder and form clamp sword groove, clamp the back side that sword groove is located the blade, during the blade installation, the back grafting of blade is to pressing from both sides the sword inslot.

Further, including preceding frame plate, eccentric weight axle rotates to be installed on preceding frame plate, and actuating mechanism includes driving motor and synchro wheelset, and driving motor fixed mounting is on preceding frame plate, and synchro wheelset installs and is used for realizing power transmission between driving motor's output shaft and eccentric weight axle.

Further, the connecting rod assembly comprises an eccentric shaft, an eccentric connecting rod and a movable joint, the eccentric shaft is fixedly arranged on the eccentric weight shaft, the axis of the eccentric shaft is parallel to the axis of the eccentric weight shaft, one end of the eccentric connecting rod is rotationally connected with the eccentric shaft, the other end of the eccentric connecting rod is rotationally connected with the movable joint, and the movable joint is rotationally connected with the second end of the cutter bar assembly.

Further, the device comprises a swinging shaft arranged on the front frame plate, a swinging connecting rod rotationally connected with the swinging shaft, and the middle part of the swinging connecting rod is rotationally connected with the eccentric connecting rod or the movable joint.

Further, the cutter bar assembly comprises a center cylinder, a cutter bar sleeve and a cutter bar, wherein the center cylinder is arranged on the fixing seat and penetrates through the upper end wall and the lower end wall of the fixing seat, the cutter bar sleeve is sleeved on the outer side of the cutter bar and forms sliding connection, and the cutter bar sleeve is inserted in the center cylinder and fixedly connected with the fixing seat.

Further, the cutter bar assembly further comprises a connecting sleeve and a first bearing, wherein the connecting sleeve is sleeved on the outer side of the cutter bar and connected through the first bearing, and the blade is fixed on the connecting sleeve through the clamping block.

Further, be equipped with the fixed cover of mounting hole, mounting hole internal fixation on main part fixed plate, the outside cover of fixed cover is equipped with first belt pulley, and first belt pulley passes through the second bearing and is connected with the fixed cover, and first clamp cutter piece seat fixed mounting is on first belt pulley.

Further, a rotating motor is fixedly installed on the main body fixing plate, a second belt pulley is fixedly installed on an output shaft of the rotating motor, and a belt is sleeved on the outer sides of the first belt pulley and the second belt pulley.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the eccentric weight shaft is driven to rotate by the driving mechanism, and the cutter bar assembly is driven to reciprocate up and down by the connecting rod assembly, so that the blade on the cutter bar assembly can be driven to reciprocate up and down, and the cloth is cut;

The two ends of the blade cutting section are positioned by utilizing the clamping cutter wheels on the first clamping cutter block seat and the second clamping cutter block seat, and then the swing of the middle position of the blade cutting section is limited by utilizing the clamping cutter component on the cutter disc bracket, so that the stability of the blade in the reciprocating movement process is enhanced, and the cutting effect of cloth is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is a schematic view of the installation of a clamping block;

FIG. 5 is an expanded schematic view of the knife bar assembly;

FIG. 6 is a schematic illustration of the installation of a first pulley;

FIG. 7 is a schematic view of the structure of the knife clamping block;

Fig. 8 is a schematic installation view of the cutterhead support.

In the figure: 10. a main body fixing plate; 101. a mounting hole; 11. a rear shelf plate; 12. a front shelf plate; 2. a driving motor; 201. a synchronous wheel set; 21. an eccentric weight shaft; 211. an eccentric shaft; 31. an eccentric link; 32. a movable joint; 41. a swing shaft; 42. swinging the connecting rod; 5. a cutter bar assembly; 51. a fixing seat; 511. a central cylinder; 52. a cutter bar sleeve; 53. a cutter bar; 54. connecting sleeves; 55. a first bearing; 56. a lock nut; 57. a first clamping block; 58. a second clamping block; 61. a fixed sleeve; 62. a second bearing; 63. a bearing locking sleeve; 64. a first pulley; 65. a first clamping block seat; 66. a knife clamping block; 661. a mounting groove; 662. a side clamping cutter wheel; 663. back splint cutter wheel; 67. a cutterhead bracket; 68. a second clamping cutter block seat; 69. a tray bottom cover; 71. a rotating motor; 72. a second pulley; 73. a belt; 8. a knife clamping assembly; 81. a knife holder; 82. a first clamping blade; 83. a second clamping blade; 100. a blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a cutter clamping mechanism, mainly used strengthens the centre gripping of blade, improves the stability of blade reciprocating motion, and then improves the cutting effect of cloth.

As shown in fig. 1 and 2, including the main part fixed plate 10 that is the level setting, the fixed back frame plate 11 that is equipped with vertical upward extension on the main part fixed plate 10, the front side sliding connection of back frame plate 11 has preceding frame plate 12, wherein, fixed mounting has fixing base 51 on the preceding frame plate 12, be equipped with upper and lower sliding connection's cutter arbor subassembly 5 in the fixing base 51, blade 100 is installed through the clamp splice to cutter arbor subassembly 5's first end, wherein, rotate on the preceding frame plate 12 and be connected with eccentric weight shaft 21 and drive eccentric weight shaft 21 pivoted actuating mechanism, eccentric weight shaft 21 passes through link mechanism with cutter arbor subassembly 5's second end and is connected.

It should be noted that the first end of the cutter bar assembly 5 is referred to as a bottom end, and the second end of the cutter bar assembly 5 is referred to as a top end.

Through the arrangement, the driving mechanism is utilized to drive the eccentric weight shaft 21 to rotate at a high speed, and then the connecting rod mechanism can be driven to swing up and down, and the cutter bar assembly 5 and the fixing seat 51 are in sliding connection, so that the connecting rod mechanism can drive the cutter bar assembly 5 and the cutter blade 100 to reciprocate up and down, and the cloth cutting can be realized.

In order to realize the rotation of the eccentric weight shaft 21, in the present embodiment, as shown in fig. 1 and 2, the driving mechanism includes a driving motor 2 and a synchronizing wheel group 201, the driving motor 2 is fixedly installed on the front frame plate 12, and an output shaft of the driving motor 2 is connected with the eccentric weight shaft 21 through the synchronizing wheel group 201. Here, the synchronous pulley group 201 is a pulley group, and the power of the driving motor 2 is transmitted to the eccentric weight shaft 21 by the pulley group, so that the eccentric weight shaft 21 can be rotated at a high speed.

In order to realize the up-and-down reciprocating movement of the cutter bar assembly 5, in the present embodiment, as shown in fig. 2 and 5, an eccentric shaft 211 is provided on the eccentric weight shaft 21, wherein the axis of the eccentric shaft 211 is parallel to the axis of the eccentric weight shaft 21, and the link mechanism comprises an eccentric link 31 and a movable joint 32, wherein one end of the eccentric link 31 is rotatably connected with the eccentric shaft 211, the other end of the eccentric link 31 is rotatably connected with the movable joint 32, and the other end of the movable joint 32 away from the eccentric link 31 is rotatably connected with the cutter bar assembly 5.

Through the arrangement, the driving motor 2 drives the eccentric weight shaft 21 to rotate through the synchronous wheel group 201, and then drives the eccentric shaft 211 to rotate around the axis of the eccentric weight shaft 21, so that the cutter bar assembly 5 can be driven to reciprocate up and down through the eccentric connecting rod 31 and the movable joint 32.

Specifically, in the present embodiment, as shown in fig. 2 and 5, the cutter bar assembly 5 includes a central cylinder 511, a cutter bar sleeve 52 and a cutter bar 53, wherein the central cylinder 511 is disposed on the fixing seat 51 and penetrates through the upper end wall and the lower end wall of the fixing seat 51, the cutter bar sleeve 52 is sleeved on the outer side of the cutter bar 53, and the inner wall of the cutter bar sleeve 52 is slidably connected with the outer wall of the cutter bar 53, wherein the outer wall of the cutter bar sleeve 52 is fixedly connected with the inner wall of the central cylinder 511.

With the above arrangement, when the link mechanism swings reciprocally, the cutter bar 53 can be driven to reciprocate up and down along the axis of the central cylinder 511, and the stability of the reciprocating movement of the cutter bar 53 can be improved.

In order to further realize stable movement of the link mechanism, in the present embodiment, as shown in fig. 1 and 5, a swing shaft 41 is rotatably connected to the front frame plate 12, and a swing link 42 is rotatably connected to the swing shaft 41, wherein a middle portion of the swing link 42 is rotatably connected to the eccentric link 31 or the movable joint 32; specifically, the position where the eccentric link 31 is connected to the movable joint 32 is defined as a first connection point, wherein the intermediate position of the swing link 42 is rotatably connected to the first connection point.

In order to enable the blade 100 to rotate, in this embodiment, as shown in fig. 2 and 5, the cutter bar assembly 5 further includes a connecting sleeve 54 and a first bearing 55, where the blade 100 is fixed on the connecting sleeve 54 by a clamping block, the connecting sleeve 54 is sleeved on the outer side of the cutter bar 53, and the connecting sleeve 54 is connected with the cutter bar 53 by the first bearing 55, so that the connecting sleeve 54 can rotate around the axis of the cutter bar 53; specifically, a lock nut 56 is further disposed between the cutter bar 53 and the connecting sleeve 54, and the lock nut 56 is used to lock the first bearing 55, so as to prevent the first bearing 55 from moving along the axial direction of the cutter bar 53.

To achieve the fixation of the blade 100 to the connecting sleeve 54, in the present embodiment, as shown in fig. 2 and 5, the clamping blocks include a first clamping block 57 and a second clamping block 58, the first clamping block 57 and the second clamping block 58 clamp the blade 100, and then the first clamping block 57 and the second clamping block 58 are fixed to the connecting sleeve 54 by bolts.

Because the length of the blade 100 is too long, if the blade 100 is not positioned, the blade 100 is easy to deflect, in this embodiment, as shown in fig. 1,3 and 4, a first clamping block seat 65 and a second clamping block seat 68 are sequentially disposed along the length direction of the blade 100, where the first clamping block seat 65 and the second clamping block seat 68 are fixedly connected by a cutterhead bracket 67, the first clamping block seat 65 and the second clamping block seat 68 are fixedly mounted with a clamping block 66, the clamping block 66 is provided with a clamping wheel for clamping the blade 100, the clamping wheel is used for clamping the side wall and the back of the blade 100, and the first clamping block seat 65 is rotatably mounted on the main body fixing plate 10, and as shown in fig. 3, the cutterhead bracket 67 is further provided with a clamping assembly 8 for clamping the blade 100.

In order to clamp the blade 100, in this embodiment, as shown in fig. 4 and 7, a mounting groove 661 penetrating up and down is provided on the blade clamping block 66, wherein the blade clamping wheel includes two side clamping wheels 662 and two back clamping wheels 663, the side clamping wheels 662 are provided at two sides of the blade 100, the side walls of the side clamping wheels 662 are abutted with the side walls of the blade 100, the back clamping wheels 663 are located at the back side of the blade 100, and the back clamping wheels 663 are abutted with the back of the blade 100.

In order to clamp the blade 100 between the first clamping block seat 65 and the second clamping block seat 68, as shown in fig. 3 and 8, the clamping assembly 8 includes a clamping seat 81, a first clamping blade 82 and a second clamping blade 83, wherein the clamping seat 81 is fixedly mounted on the cutterhead support 67 and is disposed along the length direction of the blade 100, the first clamping blade 82 and the second clamping blade 83 are respectively fixed on two sides of the clamping seat 81 through bolts, in particular, a clamping slot is formed between the first clamping blade 82 and the second clamping blade 83, the blade 100 is inserted into the clamping slot, and the width of the clamping slot is slightly larger than the thickness of the blade 100.

To prevent the blade 100 from passing out of the clamping block 66 on the second clamping block seat 68, as shown in fig. 8, a tray bottom cover 69 is fixedly mounted to the bottom wall of the second clamping block seat 68.

In order to realize the installation of the first cutter clamping block seat 65, as shown in fig. 4 and 6, an installation hole 101 penetrating up and down is formed in the main body fixing plate 10, a fixing sleeve 61 is fixedly installed in the installation hole 101, a first belt pulley 64 is connected to the outer side of the fixing sleeve 61 through a second bearing 62, a bearing locking sleeve 63 is installed between the fixing sleeve 61 and the first belt pulley 64, the bearing locking sleeve 63 is used for limiting the second bearing 62 to move along the axial direction of the fixing sleeve 61, and the first cutter clamping block seat 65 is fixed on the bottom wall of the first belt pulley 64.

In order to realize the rotation of the first pulley 64, in the present embodiment, as shown in fig. 1 and 3, a rotation motor 71 is fixedly installed on the body fixing plate 10, wherein a second pulley 72 is fixedly installed on an output shaft of the rotation motor 71, and a belt 73 is sleeved on the second pulley 72 and the outside of the first pulley 64.

Through the arrangement, when the blade 100 is required to cut along the curve of cutting the cloth, the rotating motor 71 is utilized to drive the second belt pulley 72 to rotate, and then the belt 73 can drive the first belt pulley 64 to rotate by an angle, at this time, the first belt pulley 64 drives the first cutter clamping block seat 65 and the cutter clamping block 66 to rotate by an angle, and at this time, the cutter clamping wheel on the cutter clamping block 66 pulls the blade 100 and the connecting sleeve 54 to rotate by an angle around the cutter bar 53, so that the deflection angle of the blade 100 can be adjusted, and the cutting of the cloth is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A cutter clamping mechanism comprises a cutter bar assembly (5), wherein a blade (100) is arranged at a first end of the cutter bar assembly (5) through a clamping block; the fixed seat (51) is in sliding fit with the cutter bar assembly (5); still include eccentric weight axle (21), drive eccentric weight axle (21) pivoted actuating mechanism and link assembly, link assembly's one end is connected with eccentric weight axle (21) rotation, and link assembly's the other end is connected with the second end rotation of cutter arbor subassembly (5), its characterized in that: still including first clamp cutter piece seat (65) and second clamp cutter piece seat (68) that set gradually along blade (100) length direction, first clamp cutter piece seat (65) and second clamp cutter piece seat (68) are through blade disc support (67) fixed connection, all are equipped with clamp cutter piece (66) on first clamp cutter piece seat (65) and second clamp cutter piece seat (68), are equipped with the clamp cutter wheel that is used for the centre gripping to blade (100) on clamp cutter piece (66), still be equipped with on blade disc support (67) and restrict blade (100) wobbling clamp cutter subassembly (8).

2. A cutter clamping mechanism according to claim 1, wherein: the utility model provides a press from both sides mounting groove (661) that run through from top to bottom on sword piece (66), press from both sides the cutter wheel including side clamp cutter wheel (662) and back clamp cutter wheel (663), wherein, side clamp cutter wheel (662) are equipped with two and are located the both sides of blade (100) respectively, side clamp cutter wheel (662) rotate and install in mounting groove (661), side clamp cutter wheel (662) and the lateral wall butt of blade (100), back clamp cutter wheel (663) rotate and install in mounting groove (661), back clamp cutter wheel (663) and the back of the knife butt of blade (100).

3. A cutter clamping mechanism according to claim 1, wherein: the cutter clamping assembly (8) comprises a cutter clamping seat (81), a first cutter clamping seat (82) and a second cutter clamping seat (83), wherein the cutter clamping seat (81) is fixedly installed on the cutter disc support (67) and is arranged along the length direction of the cutter blade (100), the first cutter clamping seat (82) and the second cutter clamping seat (83) are respectively fixed on two sides of the cutter clamping seat (81) through bolts to form cutter clamping grooves, the cutter clamping grooves are located on the back side of the cutter blade (100), and when the cutter blade (100) is installed, the back of the cutter blade (100) is inserted into the cutter clamping grooves.

4. A cutter clamping mechanism according to claim 1, wherein: including preceding frame plate (12), eccentric weight axle (21) rotate and install on preceding frame plate (12), and actuating mechanism includes driving motor (2) and synchro-pulley group (201), and driving motor (2) fixed mounting is on preceding frame plate (12), and synchro-pulley group (201) are installed and are used for realizing power transmission between the output shaft of driving motor (2) and eccentric weight axle (21).

5. The cutter clamping mechanism of claim 4, wherein: the connecting rod assembly comprises an eccentric shaft (211), an eccentric connecting rod (31) and a movable joint (32), wherein the eccentric shaft (211) is fixedly arranged on the eccentric weight shaft (21), the axis of the eccentric shaft (211) is parallel to the axis of the eccentric weight shaft (21), one end of the eccentric connecting rod (31) is rotationally connected with the eccentric shaft (211), the other end of the eccentric connecting rod (31) is rotationally connected with the movable joint (32), and the movable joint (32) is rotationally connected with the second end of the cutter bar assembly (5).

6. The cutter clamping mechanism of claim 5, wherein: comprises a swinging shaft (41) arranged on a front frame plate (12), a swinging connecting rod (42) rotationally connected with the swinging shaft (41), and the middle part of the swinging connecting rod (42) is rotationally connected with an eccentric connecting rod (31) or a movable joint (32).

7. A cutter clamping mechanism according to claim 1, wherein: the cutter bar assembly (5) comprises a center cylinder (511), a cutter bar sleeve (52) and a cutter bar (53), wherein the center cylinder (511) is arranged on the fixed seat (51) and penetrates through the upper end wall and the lower end wall of the fixed seat (51), the cutter bar sleeve (52) is sleeved on the outer side of the cutter bar (53) and forms sliding connection, and the cutter bar sleeve (52) is inserted in the center cylinder (511) and fixedly connected with the fixed seat (51).

8. The cutter clamping mechanism of claim 7, wherein: the cutter bar assembly (5) further comprises a connecting sleeve (54) and a first bearing (55), wherein the connecting sleeve (54) is sleeved on the outer side of the cutter bar (53) and connected through the first bearing (55), and the cutter blade (100) is fixed on the connecting sleeve (54) through a clamping block.

9. The cutter clamping mechanism of claim 8, wherein: including main part fixed plate (10), mounting hole (101) that are equipped with on main part fixed plate (10), fixed cover (61) that fixed mounting had in mounting hole (101), the outside cover of fixed cover (61) is equipped with first belt pulley (64), and first belt pulley (64) are connected with fixed cover (61) through second bearing (62), and first clamp cutter piece seat (65) fixed mounting is on first belt pulley (64).

10. The cutter clamping mechanism of claim 9, wherein: a rotating motor (71) is fixedly arranged on the main body fixing plate (10), a second belt pulley (72) is fixedly arranged on an output shaft of the rotating motor (71), and a belt (73) is sleeved on the outer sides of the first belt pulley (64) and the second belt pulley (72).