Paperboard arc pressing device

Abstract

A paperboard arc pressing device relates to the technical field of paperboard production and comprises a base, an arc pressing plate, a pressing plate and a pressing plate, the limiting assembly comprises a first limiting part and a second limiting part; wherein the first limiting part comprises two supports arranged on the upper portion of the supporting plate in an opposite sliding mode, a driving piece fixedly installed in the supporting plate and a first transmission piece rotationally installed on the supporting plate, the power output end of the driving piece is connected with the transmission piece, and the two supports are both movably connected with the transmission piece; the number of the second limiting parts is two, the two second limiting parts are arranged on the two supports in a one-to-one correspondence mode, and each second limiting part comprises two limiting pieces which are arranged on the corresponding support in an opposite sliding mode in the direction perpendicular to the sliding direction of the corresponding support, an operation piece arranged above the corresponding support and a second transmission piece arranged in the corresponding support. And the second transmission part is connected between the two limiting parts and the operating part.

Description

Technical Field

[0001] The utility model relates to the technical field of paperboard production, in particular to a paperboard arc pressing device. Background Art

[0002] In today's society, in order to enrich the entertainment items in life, people have created many board games based on elements such as cards, props and maps, and these board game products are generally stored in storage boxes. During the production of existing storage boxes, two folds are first pressed out of a whole piece of cardboard, and then the cardboard is bent and fixed along the folds to form a box structure that can be combined into a book-shaped structure, and finally the other sides are sealed to make it a closed storage box.

[0003] In the above-mentioned cardboard processing process, an arc pressing device is used to bend the cardboard. In the Chinese utility model patent with the authorization announcement number CN218838826U, a cardboard arc pressing device is disclosed. Under the action of the first limiting component and the second limiting component, the book-shaped cardboard is limited on the workbench. At this time, the bent part of the book-shaped cardboard is just placed on the lower template, and then the cylinder component is controlled by the control cabinet to drive the upper template to punch downward to bend the cardboard; the above-mentioned patent adjusts the position of the cardboard by adjusting the first limiting component and the second limiting component respectively. This adjustment method is not only cumbersome to operate, but also cannot quickly locate the bent part at the center of the cardboard, which reduces the arc pressing efficiency of the cardboard. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a cardboard arc pressing device, which solves the problems in the prior art that the position adjustment of the cardboard by the arc pressing device is cumbersome and the bending part of the cardboard cannot be quickly positioned.

[0005] A cardboard arc pressing device, comprising:

[0006] A base, the upper part of which is horizontally fixed with a support plate;

[0007] A limiting assembly, comprising a first limiting portion and a second limiting portion;

[0008] Wherein, the first limiting part comprises two brackets slidably arranged on the upper part of the support plate, a driving member fixedly installed in the support plate, and a first transmission member rotatably installed on the support plate, the power output end of the driving member is connected to the transmission member, and the two brackets are movably connected to the transmission member;

[0009] There are two second limiting parts, which are arranged on the two brackets in a one-to-one correspondence. Each second limiting part includes two limiting members arranged thereon and sliding toward each other perpendicular to the sliding direction of the corresponding bracket, an operating member arranged above the corresponding bracket, and a second transmission member arranged in the corresponding bracket, and the second transmission member is connected between the two limiting members and the operating member.

[0010] Compared with the prior art, the utility model has the following beneficial effects: when in use, the cardboard to be arc-pressed is placed between the two brackets, and then the driving member is started to drive the two brackets to move toward each other through the transmission member, so as to quickly locate the bending position at the center of the cardboard, and then the operating member is used to drive the two limit members to move toward each other through the second transmission member to limit the cardboard, and through the joint action of the two brackets and the two limit members, the position of the cardboard is fixed to facilitate subsequent bending operations; the operation is simple and convenient, the bending position of the cardboard can be quickly located, the bending efficiency of the cardboard is improved, and it can also be applicable to bending operations of cardboards of different specifications.

[0011] Preferably, a second sliding groove is provided on the side walls facing each other of the two brackets, each limiting member includes a limiting plate slidably connected to the second sliding groove, each limiting plate is an L-shaped structure and is arranged perpendicular to the sliding direction of the bracket, the horizontal sections of the two limiting plates are arranged facing each other, and the second transmission member is located between the vertical sections of the two limiting plates.

[0012] Preferably, the second transmission member includes a rotating shaft vertically rotatably installed in the second slide groove, a gear fixedly mounted on the rotating shaft, and two racks meshing with the gears. The upper end of the rotating shaft freely passes through the second slide groove and is connected to the operating member. The two racks are fixedly installed on the two opposite side walls of the two limit plates in a one-to-one correspondence along the length direction of the vertical section of the two limit plates.

[0013] Preferably, the operating member comprises a knob coaxially fixedly connected to the rotating shaft, a locking bolt is installed through a vertical thread on the knob, and the locking bolt is used to abut against the upper part of the bracket to fix the knob.

[0014] Preferably, a first slide groove is provided on the upper part of the support plate, and a slider is fixedly installed on the lower part of each bracket. The first transmission member includes a screw rod rotatably installed therein along the length direction of the first slide groove, and the screw rod includes two threaded sections with opposite rotation directions. The two threaded sections correspond to each other and freely pass through the two sliders and are threadedly connected thereto. One end of the screw rod freely passes through the first slide groove and is connected to the power output end of the driving member.

[0015] Preferably, the driving member comprises a motor fixedly mounted in the support plate, and one end of the screw rod freely passes through the first slide slot and is coaxially fixedly connected to a power output shaft of the motor.

[0016] Preferably, two third slide grooves are provided on the two side walls facing each other in the vertical direction and perpendicular to the sliding direction of the bracket, wherein one of the two third slide grooves arranged opposite to each other is arranged close to the groove opening of the second slide groove, and the other two third slide grooves arranged opposite to each other are arranged close to the groove bottom of the second slide groove, and sliding bars are fixedly installed on the vertical section of each limit plate and the two side walls adjacent to the angle of the limit plate along the length direction thereof, and the two sliding bars of each limit plate are slidably connected with the two third slide grooves arranged opposite to each other in a one-to-one correspondence.

[0017] Preferably, it also includes an arc-pressing member fixedly mounted on the support plate, wherein the arc-pressing member is located between the two brackets.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of an embodiment of the utility model.

[0020] Figure 2 for Figure 1 A partial cross-sectional view of .

[0021] Figure 3 for Figure 1 Top view of the .

[0022] Figure 4 for Figure 1 Cross-sectional view of the middle bracket.

[0023] The numbers in the figure are: 1. base; 2. support plate; 21. first slide groove; 3. bracket; 31. slider; 4. knob; 41. shaft; 42. locking bolt; 43. second slide groove; 44. third slide groove; 45. gear; 5. limit plate; 51. rack; 52. sliding bar; 6. motor; 61. screw; 7. arc pressing piece. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods:

[0025] like Figure 1-3As shown, an embodiment of the utility model provides a cardboard arc pressing device, comprising: a base 1, on the upper part of which a support plate 2 is horizontally fixedly installed; a limiting assembly, which comprises a first limiting part and a second limiting part; wherein, the first limiting part comprises two brackets 3 slidably arranged on the upper part of the support plate 2, a driving member fixedly installed in the support plate 2, and a first transmission member rotatably installed on the support plate 2, the power output end of the driving member is connected to the transmission member, and the two brackets 3 are movably connected to the transmission member; there are two second limiting parts, and the two second limiting parts are arranged on the two brackets 3 in a one-to-one correspondence, and each second limiting part comprises two limiting parts slidably arranged thereon perpendicular to the sliding direction of the corresponding bracket 3, an operating member arranged above the corresponding bracket 3, and a second transmission member arranged in the corresponding bracket 3, and the second transmission member is connected between the two limiting parts and the operating member.

[0026] The cardboard to be arc-pressed is placed between the two brackets 3, and then the driving member is started to drive the two brackets 3 to move toward each other through the transmission member, so as to quickly locate the bending position at the center of the cardboard, and then the operating member is used to drive the two limit members to move toward each other through the second transmission member to limit the cardboard, and the position of the cardboard is fixed through the joint action of the two brackets 3 and the two limit members, so as to facilitate the subsequent bending operation; the operation is simple and convenient, the bending position of the cardboard can be quickly located, the bending efficiency of the cardboard is improved, and it can also be applicable to the bending operations of cardboards of different specifications.

[0027] like Figure 2-4 As shown, according to another embodiment of the utility model, the cardboard arc pressing device is further optimized in terms of the limiting member, the second transmission member and the operating member included therein, and the second sliding groove 43 is provided on the side walls facing each other of the two brackets 3, and each limiting member includes a limiting plate 5 slidably connected to the second sliding groove 43, and each limiting plate 5 is an L-shaped structure and is arranged perpendicular to the sliding direction of the bracket 3, the horizontal sections of the two limiting plates 5 are arranged facing each other, and the second transmission member is located between the vertical sections of the two limiting plates 5.

[0028] The second transmission member includes a rotating shaft 41 vertically rotatably mounted in the second slide groove 43, a gear 45 fixedly sleeved on the rotating shaft 41, and two racks 51 meshing with the gears 45. The upper end of the rotating shaft 41 freely passes through the second slide groove 43 and is connected to the operating member. The two racks 51 are fixedly mounted on the two opposite side walls of the two limit plates 5 in a one-to-one correspondence along the length direction of the vertical section of the two limit plates 5; and preferably, two third slide grooves 44 are provided on the two opposite side walls of the second slide groove 43 along the vertical direction perpendicular to the sliding direction of the bracket 3, one of which is opposite to the other. The third slide groove 44 arranged in opposite directions is arranged close to the notch of the second slide groove 43, and the other two third slide grooves 44 arranged opposite to each other are arranged close to the bottom of the second slide groove 43. The vertical section of each limiting plate 5 and the two side walls adjacent to the angle of the limiting plate 5 are fixedly installed with sliding bars 52 along the length direction thereof. The two sliding bars 52 of each limiting plate 5 are slidably connected with the two third slide grooves 44 arranged opposite to each other in a one-to-one manner; through the cooperation of the two sliding bars 52 on each limiting plate 5 and the corresponding third slide groove 44, the sliding stability of the two limiting plates 5 in the second slide groove 43 can be guaranteed.

[0029] The operating member includes a knob 4 coaxially fixedly connected to a rotating shaft 41 , and a locking bolt 42 is installed through a vertical thread on the knob 4 . The locking bolt 42 is used to abut against the upper part of the bracket 3 to fix the knob 4 .

[0030] The rotating knob 4 drives the rotating shaft 41 to rotate, and the rotating shaft 41 drives the two limit plates 5 to move toward each other through the transmission of the gear 45 and the two racks 51, so that the horizontal sections of the two limit plates 5 limit the cardboard and cooperate with the two brackets 3 to fix the cardboard.

[0031] like Figure 1-3 As shown, according to another embodiment of the utility model, the cardboard arc pressing device further optimizes the first transmission member and the driving member included therein, the support plate 2 is provided with a first slide groove 21 on the upper part, and a slider 31 is fixedly installed on the lower part of each of the brackets 3, and the first transmission member includes a screw 61 rotatably installed therein along the length direction of the first slide groove 21, and the screw 61 includes two threaded sections with opposite rotation directions, and the two threaded sections freely correspond to each other and penetrate the two sliders 31 and are threadedly connected thereto, and one end of the screw 61 freely passes through the first slide groove 21 and is connected to the power output end of the driving member.

[0032] The driving member includes a motor 6 fixedly installed in the support plate 2, and one end of the screw rod 61 freely passes through the first slide slot 21 and is coaxially fixedly connected to the power output shaft of the motor 6; wherein the motor 6 is a forward and reverse rotatable motor 6.

[0033] The starting motor 6 drives the screw rod 61 to rotate. Since the two threaded sections of the screw rod 61 rotate in opposite directions, the two sliders 31 and the two brackets 3 are driven to move toward or away from each other.

[0034] like Figure 1-3 As shown, according to another embodiment of the utility model, the cardboard arc pressing device preferably further includes an arc pressing member 7 fixedly mounted on the support plate 2, and the arc pressing member 7 is located between the two brackets 3; when the position of the cardboard is fixed, the cardboard is arc pressed by the arc pressing member 7; the specific structure and use principle of the above-mentioned arc pressing member 7 have been disclosed in the Chinese utility model patent CN218838826U, and will not be described in detail here.

[0035] The use principle of the utility model is as follows: when the utility model is used, the cardboard is placed between the two brackets 3 and the two limit plates 5 on the two brackets 3, and passes through the arc pressing piece 7, and then the motor 6 is started to drive the screw 61 to rotate. Since the two threaded sections of the screw 61 rotate in opposite directions, the two sliders 31 and the two brackets 3 are driven to move toward each other, so as to quickly fix the bending position of the cardboard, and then each knob 4 is operated to drive the rotating shaft 41 to rotate, and the rotating shaft 41 drives the two limit plates 5 to move toward each other through the transmission of the gear 45 and the two racks 51, so that the horizontal sections of the two limit plates 5 limit the cardboard and cooperate with the two brackets 3 to fix the cardboard, and then the cardboard is subjected to arc pressing treatment through the arc pressing piece 7.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A cardboard arc pressing device, characterized in that: include: A base (1) having a support plate (2) fixedly mounted horizontally on its upper portion; A limiting assembly, comprising a first limiting portion and a second limiting portion; The first limiting part comprises two brackets (3) slidably arranged on the upper part of the support plate (2) towards each other, a driving member fixedly installed in the support plate (2), and a first transmission member rotatably installed on the support plate (2), the power output end of the driving member is connected to the transmission member, and the two brackets (3) are both movably connected to the transmission member; There are two second limiting parts, which are arranged on the two brackets (3) in a one-to-one correspondence. Each second limiting part comprises two limiting members arranged thereon and sliding towards each other perpendicular to the sliding direction of the corresponding bracket (3), an operating member arranged above the corresponding bracket (3), and a second transmission member arranged in the corresponding bracket (3), and the second transmission member is connected between the two limiting members and the operating member.

2. A cardboard arc pressing device according to claim 1, characterized in that: A second slide groove (43) is provided on the side walls facing each other of the two brackets (3), each limiting member comprises a limiting plate (5) slidably connected to the second slide groove (43), each limiting plate (5) is an L-shaped structure and is arranged perpendicular to the sliding direction of the bracket (3), the horizontal sections of the two limiting plates (5) are arranged facing each other, and the second transmission member is located between the vertical sections of the two limiting plates (5).

3. A cardboard arc pressing device according to claim 2, characterized in that: The second transmission member comprises a rotating shaft (41) vertically rotatably mounted in a second slide groove (43), a gear (45) fixedly sleeved on the rotating shaft (41), and two racks (51) meshing with the gears (45); the upper end of the rotating shaft (41) freely passes through the second slide groove (43) and is connected to the operating member; the two racks (51) are fixedly mounted on the two opposite side walls of the two limit plates (5) in a one-to-one correspondence along the length direction of the vertical section.

4. A cardboard arc pressing device according to claim 3, characterized in that: The operating member comprises a knob (4) coaxially fixedly connected to a rotating shaft (41), a locking bolt (42) being installed through a vertical thread on the knob (4), and the locking bolt (42) being used to abut against the upper part of the bracket (3) to fix the knob (4).

5. A cardboard arc pressing device according to claim 1, characterized in that: The support plate (2) is provided with a first slide groove (21) at the top, and a slider (31) is fixedly installed at the bottom of each bracket (3). The first transmission member comprises a screw rod (61) which is rotatably installed in the first slide groove (21) along the length direction thereof, and the screw rod (61) comprises two threaded sections with opposite rotation directions, and the two threaded sections freely pass through the two sliders (31) in a one-to-one correspondence and are threadedly connected thereto. One end of the screw rod (61) freely passes through the first slide groove (21) and is connected to the power output end of the driving member.

6. A cardboard arc pressing device according to claim 5, characterized in that: The driving member comprises a motor (6) fixedly mounted in the support plate (2); one end of the screw rod (61) freely passes through the first slide groove (21) and is coaxially fixedly connected to the power output shaft of the motor (6).

7. A cardboard arc pressing device according to claim 3, characterized in that: Two third slide grooves (44) are provided on the two side walls facing each other in the vertical direction and perpendicular to the sliding direction of the bracket (3), one of the two third slide grooves (44) arranged facing each other is arranged close to the notch of the second slide groove (43), and the other two third slide grooves (44) arranged facing each other are arranged close to the bottom of the second slide groove (43), and a sliding bar (52) is fixedly installed on the vertical section of each limiting plate (5) and the two side walls adjacent to the angle of the limiting plate (5) along the length direction thereof, and the two sliding bars (52) of each limiting plate (5) are slidably connected to the two third slide grooves (44) arranged facing each other in a one-to-one correspondence.

8. The cardboard arc pressing device according to claim 1, characterized in that: It also includes an arc-pressing member (7) fixedly mounted on the support plate (2), wherein the arc-pressing member (7) is located between the two brackets (3).

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