Novel film cutter mechanism

Abstract

According to the technical scheme, the novel film cutting knife mechanism well solves the technical problems that when a knife is replaced, a plurality of components need to be disassembled, and replacement is tedious, the novel film cutting knife mechanism comprises a base, supporting seats are symmetrically installed on the top of the base, a knife head assembly is arranged between the two supporting seats, and a shaft is arranged on the knife head assembly. The two ends of the shaft penetrate through the supporting seats and are movably connected with the supporting seats, the cutter groove is formed in the top of the base, and the cutter head assembly extends into the cutter groove, so that when the cutter blade is replaced, the double-edge cutter blade can be detached only by detaching the second screw, and the purpose of cutter replacement can be achieved without detaching other parts; the problem of inconvenience in tool changing can be effectively solved, a novel double-edge blade fixing mode is adopted, a tool changing mode is changed, the problem of complex structure is solved, the cost is reduced, the rear operation space of the printer is improved, and the use practicability and convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of printer film cutting, and particularly relates to a novel film cutting knife mechanism. BACKGROUND

[0002] The film cutting knife mechanism is one of important components on part of printers, and the main function of the film cutting assembly is to cut printing materials (such as films, papers and the like) into required sizes and shapes, so as to facilitate subsequent printing and processing.

[0003] Through retrieval, it is found that the patent with the Chinese patent publication number CN220720661U discloses a cutting device and a printer, and the technical scheme well solves the problem that waste or residual glue of double-sided adhesive tape can be adhered to the cutting knife during film cutting, and the cutting knife can be blunted. However, the blade can be damaged or passivated during long-term use, and needs to be replaced, but the cutting assembly in the technical scheme has a complex structure, and multiple components need to be disassembled when the blade is replaced, so that the replacement is relatively cumbersome, and thus actual use is not facilitated.

[0004] Therefore, a novel film cutting knife mechanism is designed to change the above technical defects. SUMMARY

[0005] (1) Technical problem to be solved

[0006] In view of the defects in the prior art, the purpose of the utility model is to provide a novel film cutting knife mechanism, and the technical scheme well solves the technical problem that multiple components need to be disassembled when the blade is replaced, and the replacement is relatively cumbersome.

[0007] (2) Technical scheme

[0008] In order to solve the above technical problems, the utility model provides a novel film cutting knife mechanism, which comprises a base, the top of the base is symmetrically provided with supporting seats, a blade head assembly is arranged between the two supporting seats, a shaft is arranged on the blade head assembly, the shaft penetrates through the supporting seats at both ends and is movably connected with the supporting seats, a blade groove is formed in the top of the base, and the blade head assembly extends into the blade groove.

[0009] Preferably, the blade head assembly comprises a blade assembly seat, an installation hole is formed in one side of the blade assembly seat, a linear bearing is sleeved on the side wall of the shaft, the linear bearing is installed in the installation hole, a screw hole is formed in one side of the blade assembly seat, a double-edged blade is arranged on one side of the blade assembly seat, a positioning hole is formed in one side of the double-edged blade, a second screw is arranged in the positioning hole, one end of the second screw extends into the screw hole, the bottom end of the double-edged blade extends into the blade groove, and a balancing mechanism is arranged at the bottom of the blade assembly seat.

[0010] Preferably, the balancing mechanism comprises mounting grooves symmetrically opened in the bottom of the blade assembly seat, a circular hole symmetrically opened in one side of the blade assembly seat, the circular hole being in communication with the inside of the mounting groove, a roller shaft being mounted between the circular hole on the left side and the circular hole on the right side, and rollers being symmetrically mounted on the side walls of the two roller shafts and in contact with the top of the base.

[0011] Further, the blade assembly seat is symmetrically fixed with semicircular protrusions on the side opposite to the double-edged blade, arc-shaped grooves are formed in two sides of the double-edged blade respectively, and the semicircular protrusions extend into the arc-shaped grooves at one end.

[0012] Further, a screw hole is formed in one side of the support base, a first screw is mounted in the screw hole, and the first screw is in contact with the shaft at one end.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0015] The base, the support base, the shaft and the tool bit assembly cooperate with each other, so that the double-edged blade can be disassembled only by disassembling the second screw when the blade is replaced, the purpose of replacing the blade can be achieved without disassembling other parts, and the problem of inconvenience in replacing the blade is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the support base of the utility model;

[0018] Figure 3 It is a schematic diagram of the position distribution of the tool groove of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the blade assembly seat of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the linear bearing of the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the roller shaft of the utility model;

[0022] Figure 7 It is a schematic diagram of the position distribution of the positioning hole of the utility model;

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the roller of the utility model;

[0024] Figure 9The utility model discloses Figure 3 A place amplification view in the utility model.

[0025] The mark in the drawing is: 1, base; 2, support seat; 3, first screw; 4, shaft; 5, cutter head assembly; 51, double-edged blade; 52, second screw; 53, linear bearing; 54, roller; 55, blade assembly seat; 56, roller shaft; 57, positioning hole; 58, mounting groove; 59, silk hole; 510, mounting hole; 6, cutter groove; 7, semicircular lug; 8, arc-shaped recess. Specific embodiments

[0026] The specific embodiment is a novel film cutting knife mechanism, and its structural schematic diagram is shown in Figures 1-9 It comprises a base 1, the top of the base 1 is symmetrically provided with support seats 2, a cutter head assembly 5 is arranged between the two support seats 2, a shaft 4 is arranged on the cutter head assembly 5, the two ends of the shaft 4 penetrate through the support seats 2 and are movably connected with the support seats 2, a cutter groove 6 is formed in the top of the base 1, and the cutter head assembly 5 extends into the cutter groove 6.

[0027] The cutter groove 6 in the technical scheme can be set in width and depth according to actual needs, so that the cutter collision can be avoided.

[0028] As shown in Figures 1-7 The cutter head assembly 5 comprises a blade assembly seat 55, the blade assembly seat 55 is provided with a mounting hole 510 on one side, a linear bearing 53 is sleeved on the side wall of the shaft 4, the linear bearing 53 is mounted in the mounting hole 510, the blade assembly seat 55 is provided with a silk hole 59 on one side, the blade assembly seat 55 is provided with a double-edged blade 51 on one side, the double-edged blade 51 is provided with a positioning hole 57 on one side, the positioning hole 57 is provided with a second screw 52, one end of the second screw 52 extends into the silk hole 59, the bottom end of the double-edged blade 51 extends into the cutter groove 6, and the bottom of the blade assembly seat 55 is provided with a balancing mechanism.

[0029] The cutter head assembly 5 can fix the double-edged blade 51 and drive the double-edged blade 51, and the double-edged blade 51 can cut on both sides, so that the use is more convenient.

[0030] As shown in Figure 4 And Figure 8 The balancing mechanism comprises mounting grooves 58 symmetrically formed in the bottom of the blade assembly seat 55, circular holes symmetrically formed in one side of the blade assembly seat 55 are in communication with the interiors of the mounting grooves 58, roller shafts 56 are respectively mounted between the circular hole on the left side and the circular hole on the right side, rollers 54 are respectively and symmetrically mounted on the side walls of the two roller shafts 56, and the rollers 54 are in contact with the top of the base 1.

[0031] The rollers 54 can prevent the blade assembly seat 55 from rotating when being displaced, so that the double-edged blade 51 can be more stable during cutting work.

[0032] The half-round protrusion 7 is symmetrically fixed to the side of the blade assembly seat 55 opposite to the double-blade knife 51, the double-blade knife 51 is provided with an arc-shaped groove 8 on each side, the half-round protrusion 7 extends into the arc-shaped groove 8, the arc-shaped groove 8 can quickly position the installation position of the double-blade knife 51, and the stability of the double-blade knife 51 is enhanced, so that the double-blade knife 51 will not rotate during work.

[0033] In addition, the support seat 2 is provided with a screw hole on one side, the first screw 3 is installed in the screw hole, and the first screw 3 is in contact with the shaft 4 at one end, so that the position of the shaft 4 can be fixed by the first screw 3, thereby achieving the installation effect.

[0034] Working principle: when the technical scheme is used, the blade assembly seat 55 will also displace the double-blade knife 51 when sliding, and the material can be cut during displacement; in addition, the double-blade knife 51 can cut the material on both sides of the displacement; when the double-blade knife 51 needs to be replaced, the double-blade knife 51 can be removed by rotating and disassembling the second screw 52 with a tool, the arc-shaped groove 8 on the double-blade knife 51 is corresponded to the half-round protrusion 7 after the new double-blade knife 51 is taken out, so that the double-blade knife 51 can be hung on the half-round protrusion 7, then the second screw 52 is passed through the positioning hole 57 and installed in the silk hole 59, so that the double-blade knife 51 can be fixed on the blade assembly seat 55, and the above operation can effectively achieve the purpose of convenient blade.

[0035] All the technical features in the embodiment can be freely combined according to actual needs.

[0036] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A novel film cutting knife mechanism comprising a base (1) characterized in that: The base (1) top symmetry is equipped with support seat (2), two support seat (2) between the cutter head assembly (5) is provided, the cutter head assembly (5) is provided with shaft (4), the shaft (4) both ends of the support seat (2) and with support seat (2) activity connection, the base (1) top is equipped with knife groove (6), the cutter head assembly (5) extends in the knife groove (6); wherein, the cutter head assembly (5) includes blade assembly seat (55), the blade assembly seat (55) one side is equipped with mounting hole (510), the shaft (4) side wall is equipped with linear bearing (53), the linear bearing (53) is installed in mounting hole (510), the blade assembly seat (55) one side is equipped with silk hole (59), the blade assembly seat (55) one side is equipped with double-edged blade (51), the double-edged blade (51) one side is equipped with positioning hole (57), the positioning hole (57) is equipped with second screw (52), the second screw (52) one end extends to silk hole (59), the double-edged blade (51) bottom end extends to the knife groove (6), the blade assembly seat (55) bottom is equipped with balancing mechanism.

2. A novel film cutting knife mechanism according to claim 1, characterized in that: The balancing mechanism includes the installation groove (58) symmetrically opened in the bottom of the blade assembly seat (55), the blade assembly seat (55) one side is equipped with a circular hole, the circular hole is communicated with the installation groove (58) inside, the circular hole on the left and the circular hole on the right are respectively equipped with the roller shaft (56), two roller shafts (56) side walls are respectively equipped with symmetrically installed rollers (54), the roller (54) is in contact with the top of the base (1).

3. A novel film cutting knife mechanism according to claim 1, characterized in that: The blade assembly seat (55) and the double-edged blade (51) are symmetrically fixedly connected with semicircular lugs (7) on the opposite side, the double-edged blade (51) is respectively provided with an arc-shaped groove (8) on two sides, and one end of the semicircular lug (7) extends into the arc-shaped groove (8).

4. A novel film cutting knife mechanism according to claim 1, characterized in that: The support seat (2) one side is equipped with screw hole, the screw hole is installed with first screw (3), the first screw (3) one end and shaft (4) contact.

Images