Carton tightening mechanism of double-piece carton nailing machine
The carton tightening mechanism addresses the issue of carton wrinkling in double-piece stitching machines by using a tensioning and flattening mechanism with U-shaped brackets and rollers to maintain carton flatness, enhancing stitching efficiency and quality.
Patent Information
- Application Number
- CN202420893510.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-28
AI Technical Summary
Existing double-piece carton stitching machines fail to effectively tighten cartons, leading to wrinkles during the stitching process, which compromises the efficiency and quality of the stitching operation.
A carton tightening mechanism featuring a tensioning and flattening mechanism with U-shaped brackets, electric push rods, rollers, and reset springs to flatten and tighten cartons, ensuring they remain flat during stitching.
The mechanism ensures cartons are kept flat, improving stitching efficiency and quality by preventing wrinkles and facilitating smooth operation.
Smart Images

Figure CN222116223U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of double-piece box stitching machines, in particular to a carton tightening mechanism for double-piece box stitching machines. Background Art
[0002] The double-piece carton stitcher is a type of carton stitcher. Its feature is mainly aimed at color printing factories or carton factories. When they receive orders for large-sized boxes and the size of the boxes cannot be met by the printing press or offset press, they use separate printing to complete the job.
[0003] The existing double-piece carton stitching machine cannot tighten the cartons well during use, which makes the cartons prone to wrinkles during the stitching process, causing inconvenience to the stitching work, and cannot ensure the flatness of the cartons, thereby reducing the efficiency and quality of the stitching. Utility Model Content
[0004] In order to solve the defects of the prior art, the utility model provides a carton tightening mechanism for a double-piece carton stitching machine.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:
[0006] The utility model discloses a carton tightening mechanism for a double-piece carton nailing machine, comprising a carton nailing platform and a carton nailing machine body arranged on the top of the carton nailing platform, a positioning mechanism for positioning the carton is provided on the top of the carton nailing platform, a tensioning and flattening mechanism for tensioning and flattening the carton is provided on the top of the carton nailing platform, the tensioning and flattening mechanism comprises two U-shaped brackets arranged on the top of the carton nailing platform, a connecting plate is connected between the brackets, a first electric push rod pointing vertically downward is installed on the connecting plate, a push plate is provided at the bottom end of the first electric push rod, the bottom end of the push plate is connected to two Y-shaped mounting plates via a rotating shaft, an end of the mounting plate away from the push plate is connected to a roller via a rotating shaft, and a reset spring is provided between the two mounting plates.
[0007] As a preferred technical solution of the present invention, the positioning mechanism includes a positioning baffle provided at one end of the nail box platform, and a positioning block perpendicular to the positioning baffle is provided at one end of the positioning baffle.
[0008] As a preferred technical solution of the present invention, a mounting mechanism for mounting the carton stapler body is provided on one end of the bracket close to the positioning block.
[0009] As a preferred technical solution of the present invention, the mounting mechanism includes a U-shaped mounting frame provided on the upper end of the bracket, the inner wall of the mounting frame is provided with a U-shaped frame, and the interior of the U-shaped frame is connected to the nailing machine body through an adjustment component.
[0010] As a preferred technical solution of the present invention, the adjustment component includes a vertical plate arranged inside the U-shaped frame, a reciprocating screw rod and a guide rod are provided between the vertical plate and the U-shaped frame, and a movable block threadedly connected to the reciprocating screw rod is provided on the back of the nailing machine body, and a guide hole is provided on the movable block for the guide rod to pass through.
[0011] As a preferred technical solution of the present invention, a reduction motor for driving the reciprocating screw to rotate is installed on the vertical plate.
[0012] As an optimal technical solution of the present invention, a second electric push rod is installed vertically downward at the top of the mounting frame, the output shaft of the second electric push rod is connected to the U-shaped frame, and both ends of the U-shaped frame are provided with guide slides that match the side walls of the mounting frame.
[0013] The beneficial effects of the utility model are:
[0014] The carton tightening mechanism of the double-piece carton stitching machine can flatten and tighten the carton through the tensioning and flattening mechanism, thereby avoiding the situation where wrinkles occur in the carton during the stitching process, which causes inconvenience to the stitching work, ensuring that the carton is in a flat state, ensuring the normal stitching work, and improving the efficiency and quality of the stitching; wherein, the output shaft of the first electric push rod pushes the push plate to move downward, the push plate pushes the mounting plate to move downward, and the mounting plate pushes the roller to move downward until the roller contacts the carton, and the roller flattens the carton and spreads it flat on both sides, so that the bottom end openings of the two mounting plates become larger and larger, and under the action of the elastic potential energy of the reset spring, the two mounting plates can be tightened and reset, which has a tensioning effect on the roller and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 This is a structural diagram of a carton tightening mechanism of a double-piece carton stitching machine of the utility model;
[0017] Figure 2 This is a schematic structural diagram of the tensioning and flattening mechanism of a carton tightening mechanism of a double-piece carton stitching machine of the utility model;
[0018] Figure 3 The utility model is a schematic diagram of the installation mechanism structure of a carton tightening mechanism of a double-piece carton stitching machine.
[0019] In the figure: 1. Stitching table; 2. Stitching machine body; 3. Positioning mechanism; 4. Tensioning and flattening mechanism; 5. Bracket; 6. Connecting plate; 7. First electric push rod; 8. Push plate; 9. Mounting plate; 10. Roller; 11. Return spring; 12. Positioning baffle; 13. Positioning block; 14. Mounting mechanism; 15. Mounting frame; 16. U-shaped frame; 17. Vertical plate; 18. Reciprocating screw rod; 19. Guide rod; 20. Movable block; 21. Reducer motor; 22. Second electric push rod; 23. Guide slide. DETAILED DESCRIPTION
[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.
[0021] Example: Figure 1 、 Figure 2 and Figure 3 As shown, the utility model is a carton tightening mechanism of a double-piece nailing machine, comprising a nailing box platform 1 and a nailing machine body 2 arranged on the top of the nailing box platform 1, the top of the nailing box platform 1 is provided with a positioning mechanism 3 for positioning the carton, the top of the nailing box platform 1 is provided with a tensioning and flattening mechanism 4 for tensioning and flattening the carton, the tensioning and flattening mechanism 4 comprises two U-shaped brackets 5 arranged on the top of the nailing box platform 1, a connecting plate 6 is connected between the brackets 5, a first electric push rod 7 pointing vertically downward is installed on the connecting plate 6, a push plate 8 is provided at the bottom end of the first electric push rod 7, the bottom end of the push plate 8 is connected to two Y-shaped mounting plates 9 via a rotating shaft, the end of the mounting plate 9 away from the push plate 8 is connected to a roller 10 via a rotating shaft, and a return spring 11 is provided between the two mounting plates 9. , through the tensioning and flattening mechanism 4, the carton can be flattened and tensioned, avoiding the situation where the carton is wrinkled during the nailing process, which causes inconvenience to the nailing work, ensuring that the carton is in a flat state, ensuring the normal nailing work, and improving the efficiency and quality of nailing; wherein, the output shaft of the first electric push rod 7 pushes the push plate 8 to move downward, the push plate 8 pushes the mounting plate 9 to move downward, and the mounting plate 9 pushes the roller 10 to move downward until the roller 10 contacts the carton, and the roller 10 flattens the carton and spreads it flat on both sides, so that the bottom end openings of the two mounting plates 9 become larger and larger. Under the action of the elastic potential energy of the reset spring 11, the two mounting plates 9 can be tightened and reset, and the roller 10 can be tensioned and reused.
[0022] Among them, the positioning mechanism 3 includes a positioning baffle 12 arranged at one end of the nailing station 1, and a positioning block 13 perpendicular to the positioning baffle 12 is provided at one end of the positioning baffle 12. The setting of the positioning baffle 12 and the positioning block 13 can quickly position one corner of the carton, thereby facilitating the nailing work of the carton by the nailing machine body 2.
[0023] Among them, the end of the bracket 5 close to the positioning block 13 is provided with a mounting mechanism 14 for mounting the nailing machine body 2, the mounting mechanism 14 includes a U-shaped mounting frame 15 provided on the upper end of the bracket 5, and the inner wall of the mounting frame 15 is provided with a U-shaped frame 16. The interior of the U-shaped frame 16 is connected to the nailing machine body 2 through an adjustment component, and the adjustment component includes a vertical plate 17 provided inside the U-shaped frame 16. A reciprocating screw rod 18 and a guide rod 19 are provided between the vertical plate 17 and the U-shaped frame 16. The back of the nailing machine body 2 is The surface is provided with a movable block 20 threadedly connected to the reciprocating screw rod 18, and a guide hole for the guide rod 19 to pass through is opened on the movable block 20. A reduction motor 21 for driving the reciprocating screw rod 18 to rotate is installed on the vertical plate 17. The output shaft of the reduction motor 21 drives the reciprocating screw rod 18 to rotate. Under the cooperation of the guide rod 19, the movable block 20 drives the nailing machine body 2 to move along the direction of the reciprocating screw rod 18. The position of the nailing machine body 2 can be adjusted to perform multiple nailing operations on the carton connection.
[0024] Among them, a second electric push rod 22 is installed vertically downward at the top of the mounting frame 15, and the output shaft of the second electric push rod 22 is connected to the U-shaped frame 16. Both ends of the U-shaped frame 16 are provided with guide slides 23 that match the side walls of the mounting frame 15. The output shaft of the second electric push rod 22 pushes the U-shaped frame 16 to move downward. Under the guidance of the guide slide 23, the height of the nailing machine body 2 can be adjusted to perform nailing operations on cartons.
[0025] During operation, the carton tightening mechanism of this double-piece carton stitching machine can flatten and tension the carton through the tensioning and flattening mechanism 4, so as to avoid the carton from wrinkling during the stitching process, which causes inconvenience to the stitching work, ensures that the carton is in a flat state, ensures the normal stitching work, and improves the efficiency and quality of the stitching; wherein, the output shaft of the first electric push rod 7 pushes the push plate 8 to move downward, the push plate 8 pushes the mounting plate 9 to move downward, and the mounting plate 9 pushes the roller 10 to move downward until the roller 10 contacts the carton, and the roller 10 flattens the carton and spreads it flat on both sides, so that the bottom end openings of the two mounting plates 9 become larger and larger, and under the action of the elastic potential energy of the reset spring 11, the two mounting plates 9 can be tightened and reset, and the roller 10 has a tensioning effect and can be reused.
[0026] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A carton tightening mechanism for a double-piece carton stitching machine, comprising a carton stitching platform (1) and a carton stitching machine body (2) arranged on the top of the carton stitching platform (1), characterized in that: The top of the nail box platform (1) is provided with a positioning mechanism (3) for positioning the carton, and the top of the nail box platform (1) is provided with a tensioning and flattening mechanism (4) for tensioning and flattening the carton. The tensioning and flattening mechanism (4) comprises two U-shaped brackets (5) arranged at the top of the nail box platform (1), a connecting plate (6) is connected between the brackets (5), a first electric push rod (7) vertically downward is installed on the connecting plate (6), a push plate (8) is provided at the bottom end of the first electric push rod (7), the bottom end of the push plate (8) is connected to two Y-shaped mounting plates (9) via a rotating shaft, and the end of the mounting plate (9) away from the push plate (8) is connected to a roller (10) via a rotating shaft, and a return spring (11) is provided between the two mounting plates (9).
2. A carton tightening mechanism for a double-piece carton stitching machine according to claim 1, characterized in that: The positioning mechanism (3) comprises a positioning baffle (12) arranged at one end of the nail box platform (1), and a positioning block (13) perpendicular to the positioning baffle (12) is arranged at one end of the positioning baffle (12).
3. The carton tightening mechanism of a double-piece carton stitching machine according to claim 1, characterized in that: An installation mechanism (14) for installing the box stapling machine body (2) is provided on one end of the bracket (5) close to the positioning block (13).
4. The carton tightening mechanism of a double-piece carton stitching machine according to claim 3, characterized in that: The mounting mechanism (14) comprises a U-shaped mounting frame (15) arranged at the upper end of the bracket (5); a U-shaped frame (16) is arranged on the inner wall of the mounting frame (15); the interior of the U-shaped frame (16) is connected to the box nailing machine body (2) via an adjustment component.
5. The carton tightening mechanism of a double-piece carton stitching machine according to claim 4, characterized in that: The adjustment assembly comprises a vertical plate (17) arranged inside the U-shaped frame (16); a reciprocating screw rod (18) and a guide rod (19) are arranged between the vertical plate (17) and the U-shaped frame (16); a movable block (20) threadedly connected to the reciprocating screw rod (18) is arranged on the back of the nailing machine body (2); and a guide hole for the guide rod (19) to pass through is opened on the movable block (20).
6. A carton tightening mechanism for a double-piece carton stitching machine according to claim 5, characterized in that: A reduction motor (21) for driving the reciprocating screw rod (18) to rotate is installed on the vertical plate (17).
7. A carton tightening mechanism for a double-piece carton stitching machine according to claim 6, characterized in that: A second electric push rod (22) is installed vertically downward at the top of the mounting frame (15), and an output shaft of the second electric push rod (22) is connected to the U-shaped frame (16). Both ends of the U-shaped frame (16) are provided with guide slides (23) that match the side walls of the mounting frame (15).
