CN213381870U

CN213381870U - Paper cutter with protection function

Info

Publication number: CN213381870U
Application number: CN202022223959.5U
Authority: CN
Inventors: 周传令; 周美高; 李进峰
Original assignee: Wuxi Jiulong Paper Products Co ltd
Current assignee: Wuxi Jiulong Paper Products Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The application relates to a paper cutter with a protection function, which comprises an operation table and a portal frame arranged on the operation table, wherein a cutter holder is arranged on the portal frame, a cutter is connected on the cutter holder, a placing groove is arranged on the operation table, a top bracing structure is arranged in the placing groove and is positioned right below the cutter holder, the top bracing structure comprises a screw rod, a nut seat, a driving motor, a top bracing block and a top bracing rod, the screw rod is horizontally and rotatably connected in the placing groove, the driving motor is installed in the placing groove, an output shaft of the driving motor is connected with the screw rod, two sections of threads which are opposite in rotating direction are arranged on the screw rod, the two nut seats are respectively in threaded connection with the two sections of threads which are opposite in rotating direction on the screw rod, the top support rods are symmetrically arranged at two ends of the top support rods along the length direction of the screw rod, one end of each top support rod is rotatably connected with the top support rod, the other end of each top support rod is rotatably connected with the corresponding nut seat, and the top support blocks are supported below the tool apron. This application has the effect that improves the security performance of paper cutter.

Description

Paper cutter with protection function

Technical Field

The application relates to the field of paper cutting equipment, in particular to a paper cutter with a protection function.

Background

The paper cutter is traditional product, is the paper that is used for handling the printing later stage to satisfy the difference and cut the demand, compare in traditional artifical manual cutting, the use makes production preparation time shorter now in a large number of paper cutters, and cutting accuracy is higher, and intensity of labour is lower.

The utility model discloses a chinese utility model patent with publication number CN204748699U discloses a paper cutter, including operation panel, control circuit and start button, be equipped with the longmen frame on the operation panel, be equipped with the cutter and be used for driving the first cylinder that the cutter cut in the longmen frame, the control circuit receives the start signal of start button in order to control the first cylinder is released, still be equipped with the clamp plate and be used for driving the second cylinder that the clamp plate pushed down in the longmen frame, the clamp plate just is equipped with pressure sensor to the butt face of operation panel; the control circuit comprises a first control unit and a second control unit; when the start button is pressed down, the paper stack is firstly pressed through the pressing plate, and then the paper stack is cut through the cutter.

In view of the above-described related art, the inventor has considered that when an operator performs maintenance on a paper cutting portion of a paper cutter or replaces a paper cutting blade, if someone accidentally touches a start switch, the blade falls down, and the operator is easily injured.

SUMMERY OF THE UTILITY MODEL

In order to improve the security performance of paper cutter, this application provides a paper cutter with safeguard function.

The application provides a paper cutter with safeguard function adopts following technical scheme:

a paper cutting machine with a protection function comprises an operation table and a portal frame arranged on the operation table, wherein a cutter holder is arranged on the portal frame, a cutter is connected onto the cutter holder, a placing groove is formed in the operation table, a jacking structure is arranged in the placing groove and is positioned under the cutter holder, the jacking structure comprises a screw rod, a nut seat, a driving motor, a jacking block and a jacking rod, the screw rod is horizontally and rotatably connected into the placing groove, the driving motor is arranged in the placing groove, an output shaft of the driving motor is connected with the screw rod, the driving motor can drive the screw rod to rotate positively and negatively, two threads with opposite rotation directions are formed in the screw rod, the two nut seats are respectively and threadedly connected with the two threads with opposite rotation directions on the screw rod, the jacking rods are symmetrically arranged at two ends of the jacking block along the length direction of the screw rod, one end of the jacking rod is rotatably connected with the jacking block, the other end of the jacking rod is rotatably connected with the corresponding nut seat, and the jacking block is jacked below the tool apron.

Through adopting above-mentioned technical scheme, when operating personnel maintained the cut paper part of cutter cutting machine or changed the paper cutter, start driving motor, driving motor drives the lead screw and rotates, the lead screw drives two nut seats and removes in opposite directions, drive the shore block through the shore bar and upwards carry out the shore to the blade holder when the nut seat removes, reduce because the artificial mistake touches start switch, lead to the cutter to fall and lead to the fact the possibility of injury to operating personnel, thereby realized improving the purpose of paper cutter security performance.

Optionally, a guide block is arranged at the bottom of the nut seat, a guide groove is formed in the groove bottom of the placing groove, and the guide block is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, the guide block can play the guide effect to the removal of nut seat, makes the nut seat remove more smoothly.

Optionally, the top support rods are connected with locking parts, the locking parts comprise locking plates and locking columns, the locking columns are respectively arranged on the two top support rods, locking holes are formed in the locking plates, and the locking plates are sleeved on the locking columns through the locking holes.

Through adopting above-mentioned technical scheme, the locking plate cover is established and can be spacing to the jackstay on the locking post, improves the jackstay to the top strut effect of jackstay piece.

Optionally, the number of the locking holes and the number of the locking columns are arranged in a one-to-one correspondence manner, the locking plate is provided with inserting holes arranged in a one-to-one correspondence manner with the number of the locking holes, the inserting holes are communicated with the corresponding locking holes, a locking sheet is arranged at one end, far away from the top supporting rod, of each locking column, the locking sheet is arranged in a circular sheet manner, the diameter of the locking sheet is larger than that of each locking column, and the diameter of each inserting hole is larger than that of each locking sheet.

Through adopting above-mentioned technical scheme, establish the locking piece with two patchholes on the locking plate cover simultaneously, remove the locking plate, make the locking post slide to the locking hole in from the patchhole, when can reducing the shore, the possibility that the locking plate dropped.

Optionally, the jacking structure is provided with two groups of two ends which are respectively located in the length direction of the tool apron.

Through adopting above-mentioned technical scheme, set up two sets of shoring structures simultaneously and can further improve the shoring effect of shoring structure to the blade holder.

Optionally, the notch of the placement groove is hinged with a flip, and the upper surface of the flip is flush with the upper surface of the operating platform.

Through adopting above-mentioned technical scheme, flip can reduce the normal during operation of paper cutter, and the wastepaper that cuts falls into the standing groove to influence the possibility of shoring structure.

Optionally, a limiting boss is arranged at the groove opening of the placing groove, the flip cover is pressed on the limiting boss, and a torsion spring is arranged at the hinged position of the flip cover.

Through adopting above-mentioned technical scheme, spacing boss can carry on spacingly to flip, reduces the possibility that flip turned down, and the setting of torsional spring can reduce the normal during operation of paper cutter, and flip opens the possibility.

Optionally, a supporting bracket for supporting the locking plate is arranged on the side wall of the flip cover facing to the side of the groove bottom of the placing groove.

Through adopting above-mentioned technical scheme, the locking plate can be put on supporting bracket when not using, reduces the locking plate and litters and puts the possibility that leads to losing.

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

1. when an operator maintains a paper cutting part of the paper cutter or replaces the paper cutter, the driving motor is started, the driving motor drives the screw rod to rotate, the screw rod drives the two nut seats to move oppositely, the top support rod drives the top support block to support the cutter holder upwards when the nut seats move, the possibility that the cutter falls down to cause injury to the operator due to the fact that the starting switch is touched by mistake by people is reduced, and therefore the purpose of improving the safety performance of the paper cutter is achieved;

2. the locking plate is sleeved on the locking column and can limit the top supporting rod, and the top supporting effect of the top supporting rod on the top supporting block is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a paper cutter with a guard function according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a positional relationship between the top brace block and the top brace in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a positional relationship between the limiting boss and the placing groove in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a positional relationship between the locking hole and the insertion hole in the embodiment of the present application.

Description of reference numerals: 1. an operation table; 2. a gantry; 3. a tool apron; 31. a cutter; 41. a placement groove; 42. a screw rod; 43. a nut seat; 431. a guide block; 432. a guide groove; 44. a drive motor; 45. a jacking block; 46. a top brace rod; 5. a locking member; 51. a locking plate; 511. a locking hole; 512. an insertion hole; 52. a locking post; 521. a locking piece; 61. a cover is turned; 62. a limiting boss; 63. a torsion spring; 64. a support bracket.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses paper cutter with safeguard function. Referring to fig. 1, paper cutter with safeguard function includes operation panel 1, fixedly connected with portal frame 2 on the operation panel 1, there is blade holder 3 along vertical direction sliding connection on the portal frame 2, install cutter 31 on the blade holder 3, be provided with the shore structure on the operation panel 1, the shore structure is located under the blade holder 3, when operating personnel maintains or changes the paper cutter of cutter, preceding move the shore structure and carry out the shore to blade holder 3, reduce because the starting switch has been touched for the mistake by the people, lead to cutter 31 to fall and lead to the fact the possibility of injury to operating personnel.

Referring to fig. 1 and 2, a placing groove 41 is formed on the operating table 1, and the top bracing structure is located in the placing groove 41. The top bracing structure comprises a screw rod 42, a nut seat 43, a driving motor 44, a top bracing block 45 and a top bracing rod 46.

Referring to fig. 2 and 3, the screw rod 42 is rotatably connected in the placing groove 41, the driving motor 44 is bolted in the placing groove 41, an output shaft of the driving motor 44 is connected with the screw rod 42, and the driving motor 44 can drive the screw rod 42 to rotate forward and backward. Two sections of threads with opposite screwing directions are formed in the length direction of the screw rod 42, the two nut seats 43 are respectively in threaded connection with the two sections of threads with the opposite screwing directions on the screw rod 42, in order to guide the moving direction of the nut seats 43, guide blocks 431 are integrally formed at the bottom of the nut seats 43, guide grooves 432 are formed in the length direction of the screw rod 42 at the bottoms of the placing grooves 41, and the guide blocks 431 are located in the guide grooves 432 and are in sliding fit with the guide grooves 432.

Referring to fig. 1 and 2, the top support block 45 is supported below the tool apron 3, the top support rods 46 are symmetrically arranged at two ends of the top support block 45 along the length direction of the screw rod 42, one end of each top support rod 46 is rotatably connected with the side wall of the top support block 45 facing one side of the bottom of the placing groove 41, and the other end of each top support rod 46 is rotatably connected with the upper surface of the corresponding nut seat 43.

Referring to fig. 3 and 4, the locking member 5 is connected to the top stay 46, and the locking member 5 includes a locking plate 51 and a locking post 52. The locking column 52 is fixedly connected to the side wall of the top support rod 46, a locking sheet 521 is integrally formed at one end of the locking column 52, which is far away from the top support rod 46, the locking sheet 521 is arranged in a circular sheet shape, and the diameter of the locking sheet 521 is larger than that of the locking column 52.

Referring to fig. 3 and 4, the locking plate 51 is provided with locking holes 511, the number of the locking holes 511 corresponds to the number of the locking columns 52, and the locking plate 51 is sleeved on the locking columns 52 through the locking holes 511. The locking plate 51 is further provided with insertion holes 512, the number of the insertion holes 512 corresponds to the number of the locking holes 511, and the diameter of the insertion holes 512 is larger than that of the locking pieces 521. The insertion holes 512 communicate with the corresponding locking holes 511, and the locking columns 52 can slide from the insertion holes 512 into the locking holes 511.

Referring to fig. 3 and 4, in order to reduce normal cut paper, the wastepaper falls into the standing groove 41, thereby influence the possibility of shore structure, the notch of standing groove 41 articulates there is flip 61, flip 61's upper surface flushes with operation panel 1 upper surface during the closure, in order to carry on spacingly to flip 61, the notch department of standing groove 41 is equipped with spacing boss 62, flip 61 presses on spacing boss 62, flip 61's articulated department is provided with torsional spring 63, the one end of torsional spring 63 and the lateral wall of standing groove 41 contradict, the other end and the flip 61 of torsional spring 63 contradict.

Referring to fig. 3 and 4, in order to facilitate the placement of the locking plate 51, a supporting bracket 64 for receiving the locking plate 51 is fixedly connected to a side wall of the flip cover 61 facing the bottom side of the placement groove 41, the supporting bracket 64 includes symmetrically arranged guide bars having an "L" shaped longitudinal section, and when the locking plate 51 is not used, the locking plate 51 is placed in the accommodating cavity between the supporting bracket 64 and the flip cover 61.

Referring to fig. 1, in order to improve the top bracing effect of the top bracing structure, two sets of top bracing structures are provided and are respectively located at two ends of the tool apron 3 in the length direction.

The implementation principle of the paper cutter with the protection function in the embodiment of the application is as follows: when an operator maintains the paper cutting part of the paper cutter or replaces the paper cutter, the driving motor 44 is started, the driving motor 44 drives the screw rod 42 to rotate, the screw rod 42 drives the two nut seats 43 to move oppositely, the nut seats 43 drive the jacking blocks 45 to jack upwards through the jacking rods 46 when moving, the flip cover 61 is turned and opened by the force from the jacking blocks 45, when the jacking blocks 45 jack the cutter holder 3, the locking plate 51 is drawn out of the supporting bracket 64, the two insertion holes 512 on the locking plate 51 are sleeved on the locking sheet 521 at the same time, the locking plate 51 is moved, the locking columns 52 slide into the locking holes 511 from the insertion holes 512, and the jacking rods 46 are limited. The realization is to the shore of blade holder 3, reduces because the artificial mistake touches start switch, leads to cutter 31 to fall and causes the possibility of injury to operating personnel to the purpose that has realized improving the paper cutter security performance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a paper cutter with safeguard function, includes operation panel (1) and portal frame (2) of setting on operation panel (1), is provided with blade holder (3) on portal frame (2), be connected with cutter (31), its characterized in that on blade holder (3): the operating table (1) is provided with a placing groove (41), a jacking structure is arranged in the placing groove (41), the jacking structure is located under the tool apron (3), the jacking structure comprises a screw rod (42), a nut seat (43), a driving motor (44), a jacking block (45) and a jacking rod (46), the screw rod (42) is horizontally and rotatably connected in the placing groove (41), the driving motor (44) is installed in the placing groove (41), an output shaft of the driving motor (44) is connected with the screw rod (42), the driving motor (44) can drive the screw rod (42) to rotate positively and negatively, two sections of threads with opposite rotation directions are arranged on the screw rod (42), the two nut seats (43) are respectively and threadedly connected to the two sections of threads with opposite rotation directions on the screw rod (42), and the jacking rods (46) are symmetrically arranged at two ends of the jacking block (45) along the length direction of the screw rod (42), one end of each top supporting rod (46) is rotatably connected with the corresponding top supporting block (45), the other end of each top supporting rod (46) is rotatably connected with the corresponding nut seat (43), and each top supporting block (45) is supported below the corresponding tool holder (3).

2. The paper cutter with a guard function according to claim 1, characterized in that: the bottom of the nut seat (43) is provided with a guide block (431), the bottom of the placing groove (41) is provided with a guide groove (432), and the guide block (431) is in sliding fit with the guide groove (432).

3. The paper cutter with a guard function according to claim 1, characterized in that: the locking device is characterized in that locking pieces (5) are connected to the top supporting rods (46), each locking piece (5) comprises a locking plate (51) and a locking column (52), the locking columns (52) are respectively arranged on the two top supporting rods (46), locking holes (511) are formed in the locking plates (51), and the locking plates (51) are sleeved on the locking columns (52) through the locking holes (511).

4. The paper cutter with a guard function according to claim 3, characterized in that: the locking device is characterized in that the number of the locking holes (511) and the number of the locking columns (52) are arranged in a one-to-one correspondence manner, inserting holes (512) which are arranged in a one-to-one correspondence manner with the number of the locking holes (511) are formed in the locking plate (51), the inserting holes (512) are communicated with the corresponding locking holes (511), locking sheets (521) are arranged at the ends, far away from the top supporting rod (46), of the locking columns (52), the locking sheets (521) are arranged in a disc shape, the diameter of each locking sheet (521) is larger than that of each locking column (52), and the diameter of each inserting hole (512) is larger than that of each locking sheet (521).

5. The paper cutter with a guard function according to claim 1, characterized in that: the jacking structure is provided with two groups of jacking structures which are respectively positioned at two ends of the tool apron (3) in the length direction.

6. The paper cutter with a guard function according to claim 3, characterized in that: the notch of the placing groove (41) is hinged with a turnover cover (61), and the upper surface of the turnover cover (61) is flush with the upper surface of the operating table (1).

7. The paper cutter with a guard function according to claim 6, characterized in that: the utility model discloses a flip-open type portable computer, including standing groove (41), flip (61) and hinge department, standing groove (41) notch department is equipped with spacing boss (62), flip (61) are pressed on spacing boss (62), the articulated department of flip (61) is provided with torsional spring (63).

8. The paper cutter with a guard function according to claim 6, characterized in that: the side wall of the turnover cover (61) facing to the side of the groove bottom of the placing groove (41) is provided with a supporting bracket (64) for bearing the locking plate (51).