Transverse grooving assembly and carton forming machine

Abstract

The utility model discloses a horizontal slotting assembly and carton forming machine, horizontal slotting assembly includes the crossbeam that is equipped with slotting knife, the crossbeam is connected with the driving device, the driving device includes the locating part, the connecting part that slides up and down and is connected with the locating part and the driving mechanism that drives the connecting part to slide, the crossbeam is connected with the connecting part, and the locating part is connected with the connecting part. The connecting part drives the cross beam to move up and down along the positioning part, the driving mechanism comprises a rotating shaft, a driving part for driving the rotating shaft to rotate and an eccentric structure mounted on the rotating shaft, the eccentric structure comprises an eccentric wheel and a mounting part which is fixed on the eccentric wheel and rotates along with the eccentric wheel, and the mounting part is movably connected with the connecting part. By arranging the two fine adjustment driving pieces, the left-right synchronous up-down reciprocating motion of the grooving cutter is achieved, and accurate and stable grooving is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton machines, in particular to a transverse slotting component and a carton forming machine. Background Art

[0002] Cartons are the most widely used packaging products, usually used as wrappings for commodities or as outer protective layers for articles. Cartons are formed by bending cardboard during production, and in order to make the carton completely closed, several grooves need to be opened at the upper and lower ends of the cardboard to facilitate folding the cardboard to close the carton. The transverse slotting of the cardboard requires a transverse slotting assembly. The traditional transverse slotting assembly includes a beam with a slotting knife installed. The two ends of the beam move up and down synchronously through movable rods. The movable rods are connected by couplings and transmission shafts to achieve synchronization. This method has the disadvantages of poor accuracy and stability. Utility Model Content

[0003] The utility model aims to provide a transverse slot assembly designed to solve the deficiencies of the above-mentioned technology.

[0004] The utility model provides a transverse slotting assembly, including a crossbeam with a slotting knife installed, the crossbeam is connected to a driving device, the driving device includes a positioning part, a connecting part connected to the positioning part for sliding up and down, and a driving mechanism for driving the connecting part to slide, the crossbeam is connected to the connecting part, the connecting part drives the crossbeam to move up and down along the positioning part, the driving mechanism includes a rotating shaft, a driving member driving the rotating shaft to rotate, and an eccentric structure installed on the rotating shaft, the eccentric structure includes an eccentric wheel and a mounting part fixed to the eccentric wheel and rotating with the eccentric wheel, the mounting part is movably connected to the connecting part.

[0005] Preferably, the driving devices are symmetrically distributed on both sides or ends of the beam, and the two driving devices synchronously drive the beam to move up and down.

[0006] Further optimized, the connecting part includes a movable shaft and a connecting piece fixed on the movable shaft, the crossbeam is fixed to the movable shaft through the connecting piece, the positioning part is provided with an axial hole for the movable shaft to be inserted, and the movable shaft drives the crossbeam to move up and down along the axial hole.

[0007] Further optimization, the movable shaft has a plurality of positioning parts distributed axially.

[0008] Further optimization is that the bottom of the connecting part is hinged with the mounting part, the driving member drives the rotating shaft to rotate forward and reversely, and the mounting part drives the eccentric wheel to rotate forward and reverse through the rotating shaft to make a swinging motion, so that the connecting part and the crossbeam translate up and down along the positioning part.

[0009] Preferably, the driving member is a fine-tuning motor, and a reducer is provided between the rotating shaft and the driving member.

[0010] Preferably, a detachable mounting plate is provided on the crossbeam, and the slotting knife is mounted on the mounting plate.

[0011] Further optimization is that the number of the mounting plates is two, which are symmetrically arranged along the length direction of the beam; the number of the slotting knives is two, which correspond one to one with the mounting plates.

[0012] Further optimization, the mounting plate is also provided with an indentation knife.

[0013] The utility model also provides a carton forming machine, which comprises the above-mentioned transverse slotting component.

[0014] The technical effect of the utility model is that the crossbeam equipped with the slotting knife is synchronously driven by the driving devices located on both sides or both ends to move up and down to realize slotting, the driving device includes a movable shaft and an eccentric structure connected to the bottom of the movable shaft, the eccentric structure is driven to swing by the fine-tuning motor, so that the eccentric structure drives the movable shaft to move back and forth up and down, and the movable shaft drives the crossbeam to move back and forth up and down, so that the crossbeam drives the slotting knife to move back and forth up and down to realize slotting, two driving devices, that is, a dual motor setting, are set up to synchronously drive the movable shaft to move back and forth up and down, thereby improving the movement stability of the slotting knife and eliminating the coupling and transmission connecting shaft in the traditional structure. In addition, the movable shaft is driven to move back and forth up and down by the swing of the eccentric structure, so that the movement error is smaller to ensure the movement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 It is a front view of the overall structure of the utility model;

[0017] Figure 3 It is a side view of the overall structure of the utility model.

[0018] In the figure: 1. slotting knife; 2. crossbeam; 3. driving device; 31. positioning part; 32. connecting part; 321. movable shaft; 322. connecting piece; 33. rotating shaft; 34. driving piece; 35. eccentric structure; 351. eccentric wheel; 352. mounting part; 36. reducer; 4. mounting plate; 5. creasing knife. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] In this embodiment, Figure 1 As shown, it includes a crossbeam 2 with a slotting knife 1 installed, and driving devices 3 are provided on both sides or both ends of the crossbeam 2. Each driving device 3 includes a positioning part 31, a connecting part 32 and a driving mechanism. The positioning part 31 is a fixed block structure fixed to a bracket or a housing. The positioning part 31 is provided with a vertical axial through hole. The connecting part 32 includes a movable shaft 321 and a connecting member 322. The movable shaft 321 is directly inserted into the axial through hole of the positioning part 31 and can slide up and down along the axial through hole. The connecting member 322 is also a block structure. The connecting member 322 is used to connect the crossbeam 2 and the movable shaft 321. The driving mechanism includes a driving member 34. The driving member 34 usually adopts a fine-tuning motor. The fine-tuning motor is a forward and reverse fine-tuning motor. A rotating shaft 33 is connected to the output shaft of the driving member 34. The rotating shaft 3 3 is parallel to the cross beam 2, one end of the rotating shaft 33 is connected to the driving member 34, and the other end is connected to an eccentric structure 35, the eccentric structure 35 includes an eccentric wheel 351 and a mounting portion 352, the eccentric wheel 351 has an eccentric hole in the center, the rotating shaft 33 is passed through the eccentric hole, the mounting portion 352 is fixed on the eccentric wheel 351 and rotates with the eccentric wheel 351, in this embodiment, the eccentric wheel 351 and the mounting portion 352 are designed as an integrated body, and a movable connection is formed between the top of the mounting portion 352 and the bottom of the movable shaft 321, which is hinged in this embodiment, the fine-tuning motor drives the rotating shaft 33 to rotate forward and reverse, the rotating shaft 33 drives the eccentric structure 35 to swing forward and reverse, the eccentric structure 35 drives the movable shaft 321 to move up and down along the positioning portion 31, and the movable shaft 321 drives the cross beam 2 to move up and down. Since the driving member 34 is a fine-tuning motor, the fine-tuning motor is connected to the eccentric structure 35 through the rotating shaft 33, and the eccentric structure 35 is directly and movably connected to the movable shaft 321. The eccentric structure 35 is an eccentric bearing structure as a whole, and its eccentric swing transmission error is very small, so that the rotation transmission of the fine-tuning motor is more precise, and finally the up and down movement of the slotting knife 1 is more precise.

[0021] In this embodiment, the connecting member 322 includes two symmetrical mounting blocks, and half mounting holes are provided on the opposite surfaces of the two mounting blocks. The two mounting holes are embraced on the movable shaft 321 to achieve fixation on the movable shaft 321. The two mounting blocks are combined and fixed by fasteners. The connecting member 322 moves up and down with the movable shaft 321. The purpose of this design is that the connecting member 322 can be detachably fixed to the movable shaft 321, and the position of the connecting member 322 on the movable shaft 321 is adjustable, that is, the height position of the beam 2 can be adjusted through the connecting member 322, so that the height position of the beam 2 can be adjusted.

[0022] It should be noted that there are two driving devices 3 symmetrically distributed on both sides or ends of the beam 2 . Correspondingly, there are also two fine-tuning motors, that is, driving members 34 , which synchronously drive the beam 2 to move up and down.

[0023] Furthermore, the movable shaft 321 is axially distributed with a plurality of positioning portions 31, so that the movable shaft 321 can move up and down more stably. In this embodiment, each movable shaft 321 is provided with three positioning portions 31, one positioning portion 31 is located at the top of the movable shaft 321, and two positioning portions 31 are located at the bottom of the movable shaft 321. The bottom of the movable shaft 321 is connected to an eccentric structure 35, so that the eccentric structure 35 can drive the movable shaft 321 to move up and down more stably.

[0024] It should be noted that the driving member 34 is a fine-tuning motor, and a reducer 36 is provided between the rotating shaft 33 and the driving member 34. The reducer 36 is conventional technology, and the specific structure and working principle are not described here.

[0025] A mounting plate 4 is provided on the crossbeam 2, and the mounting plate 4 is detachably mounted on the mounting plate 4 by fasteners. The slotting knife 1 is mounted on the mounting plate 4, so that the slotting knife 1 can be loaded and unloaded along with the mounting plate 4, which is convenient for replacing slotting knives 1 of different models.

[0026] In this embodiment, there are two mounting plates 4 symmetrically arranged along the length direction of the beam 2 ; there are also two slotting knives 1 , which are installed one-to-one corresponding to the mounting plates 4 .

[0027] In this embodiment, a creasing knife 5 is further provided on the mounting plate 4. The creasing knife 5 is extended along the length direction of the mounting plate 4 so that both the grooving and the creasing work can be taken into consideration.

[0028] The utility model also provides a carton forming machine, comprising the above-mentioned transverse slotting assembly.

[0029] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A transverse slot assembly, characterized in that: The invention comprises a crossbeam (2) on which a slotting knife (1) is installed, the crossbeam (2) is connected to a driving device (3), the driving device (3) comprises a positioning portion (31), a connecting portion (32) connected to the positioning portion (31) for sliding up and down, and a driving mechanism for driving the connecting portion (32) to slide, the crossbeam (2) is connected to the connecting portion (32), the connecting portion (32) drives the crossbeam (2) to move up and down along the positioning portion (31), the driving mechanism comprises a rotating shaft (33), a driving member (34) for driving the rotating shaft (33) to rotate, and an eccentric structure (35) installed on the rotating shaft (33), the eccentric structure (35) comprises an eccentric wheel (351) and a mounting portion (352) fixed to the eccentric wheel (351) and rotating with the eccentric wheel (351), the mounting portion (352) being movably connected to the connecting portion (32).

2. A transverse slot assembly according to claim 1, characterized in that: The driving devices (3) are symmetrically distributed on both sides or both ends of the crossbeam (2), and the two driving devices (3) synchronously drive the crossbeam (2) to move up and down.

3. A transverse slot assembly according to claim 2, characterized in that: The connecting portion (32) comprises a movable shaft (321) and a connecting piece (322) fixed on the movable shaft (321); the crossbeam (2) is fixed to the movable shaft (321) via the connecting piece (322); the positioning portion (31) is provided with an axial hole for inserting the movable shaft (321); and the movable shaft (321) drives the crossbeam (2) to move up and down along the axial hole.

4. A transverse slot assembly according to claim 3, characterized in that: The movable shaft (321) has a plurality of positioning portions (31) distributed axially.

5. A transverse slot assembly according to claim 2, characterized in that: The bottom of the connecting portion (32) is hinged to the mounting portion (352), the driving member (34) drives the rotating shaft (33) to rotate forward and reversely, and the mounting portion (352) drives the eccentric wheel (351) to rotate forward and reversely through the rotating shaft (33) to make a swinging motion, so that the connecting portion (32) and the crossbeam (2) move vertically along the positioning portion (31).

6. A transverse slot assembly according to claim 1, characterized in that: The driving member (34) is a fine-tuning motor, and a reducer (36) is provided between the rotating shaft (33) and the driving member (34).

7. A transverse slot assembly according to claim 1, characterized in that: A detachable mounting plate (4) is provided on the crossbeam (2), and the slotting knife (1) is mounted on the mounting plate (4).

8. A transverse slot assembly according to claim 7, characterized in that: There are two mounting plates (4) which are symmetrically arranged along the length direction of the crossbeam (2); there are two slotting knives (1) which correspond one to one with the mounting plates (4).

9. A transverse slot assembly according to claim 8, characterized in that: The mounting plate (4) is also provided with an indentation knife (5).

10. A carton forming machine, characterized in that: The invention comprises a transverse slot assembly as described in any one of claims 1 to 9.

Images