Flanging machine for carton production

Abstract

The utility model discloses an edge folding machine for carton production, which belongs to the technical field of carton production and comprises a workbench, a base is arranged at the lower end of the workbench, a backup plate is arranged on the rear side of the upper end of the workbench and connected with the workbench through an adjusting mechanism, a support is arranged at the upper end of the workbench, and electric push rods are arranged on two sides of the upper end of the support. Due to the fact that the buffering assembly is arranged, when the pressing knife conducts edge folding work on a paperboard and the lower end of the pressing knife makes contact with the paperboard, the pressing knife pushes a sliding plate at the upper end of a sliding rod to slide in a sliding groove in a fixing cylinder, a spring is compressed, and the pressing knife pushes the sliding plate to slide in the sliding groove in the fixing cylinder. The lower end of the pressing cutter abuts against a paperboard through the elasticity of the spring, so that the paperboard is folded, the buffering assembly is arranged to achieve the buffering protection effect on the paperboard folded by the pressing cutter, and the situation that the paperboard is damaged due to the fact that the downward pressure of the pressing cutter is too large is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of carton production, and in particular relates to a folding machine for carton production. Background Art

[0002] Usually used as a wrapping material for goods or as an outer protective layer for items. The volume of the carton changes with the size of the goods. Cartons usually have a variety of patterns or text prompts such as "Handle with care", "Afraid of moisture", "Upward", "Stacking limit", "Afraid of sunlight", "Moisture-proof", "Quality and safety", "No rolling", "Do not trample", "Pay attention to fire prevention", "Fragile items", "Green environment", "Afraid of heat", "Food", "Anti-odor", etc., to remind users to pay attention to protect the items inside from damage.

[0003] Chinese patent application No. 2021201677005 discloses a folding device for corrugated cardboard production, including a workbench, an electric push rod 2 and a slideway, a bracket is arranged above the workbench, an electric push rod 1 is arranged above the bracket, an electric push rod 2 is arranged on one side of the electric push rod 1, a pressing knife is arranged below the electric push rod 1 and the electric push rod 2, the slideways are arranged on both sides of the pressing knife, a slot mold is arranged below the pressing knife, the bracket is welded to the workbench, the electric push rod 1 is connected to the bracket by screws, the electric push rod 2 is connected to the bracket by screws, and the pressing knife is connected to the electric push rod 1 by screws. The beneficial effect is that the utility model can perform electric folding on corrugated cardboard by arranging a bracket, an electric push rod 1, an electric push rod 2, a pressing knife and a slot mold, avoiding the laborious manual folding that causes the slow processing speed of the corrugated cardboard, and meeting the demand for the use of folding devices for corrugated cardboard production.

[0004] The above-mentioned patent does not have a buffer protection function, and directly uses an electric push rod to push the press knife to fold the cardboard, which is easy to cause the press knife to cause damage to the cardboard. At the same time, the original device slot mold is prone to accumulate waste chips and is difficult to clean after long-term use, affecting the subsequent use of the slot mold. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a folding machine for carton production, which has a buffering protection function and is not easy to cause pressure damage to the cardboard.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a folding machine for carton production, comprising a workbench, a base is arranged at the lower end of the workbench, a backing plate is arranged at the rear side of the upper end of the workbench, the backing plate and the workbench are connected by an adjustment mechanism, a bracket is arranged at the upper end of the workbench, electric push rods are arranged on both sides of the upper end of the bracket, a pressing knife is arranged on the lower side of the electric push rod, a groove mold is arranged at a position corresponding to the pressing knife at the upper end of the workbench, and the pressing knife and the electric push rod are connected by a buffer assembly.

[0007] Preferably, the buffer assembly includes a movable plate, a fixed cylinder, a sliding rod, a slide plate, a spring, a sliding groove and a connecting assembly, wherein a movable plate is provided at the output end of the electric push rod, fixed cylinders are provided on both sides of the lower end of the movable plate, a slide plate is provided on the lower side of the fixed cylinder, the slide plate is connected to the pressing knife by a sliding rod, a sliding groove corresponding to the slide plate is provided inside the fixed cylinder, a spring is provided at the upper end of the slide plate, and the pressing knife and the sliding rod are connected by a connecting assembly.

[0008] Preferably, the connecting assembly includes an insert block, a slot, a fixing bolt, a fixing hole and a through hole, wherein an insert block is provided at the lower end of the slide rod, a slot corresponding to the insert block is provided at the upper end of the pressing knife, the insert block and the pressing knife are connected by a fixing bolt, a fixing hole corresponding to the fixing bolt is provided in the slot, and a through hole corresponding to the fixing bolt is provided in the insert block.

[0009] Preferably, a sliding hole corresponding to the sliding rod is provided at the lower end of the fixed cylinder, the side edge of the sliding plate is in close contact with the inner wall of the fixed cylinder, and the fixed cylinder and the movable plate are welded by spot welding.

[0010] Preferably, a bottom plate is provided on the lower side of the slot mold, fixing rods are provided at both ends of the bottom plate, a slot corresponding to the fixing rod is provided in the slot mold, a groove is provided on the upper side of one end of the fixing rod, and arc edges are provided at both ends of the groove.

[0011] Preferably, after the bottom plate enters the slot mold, the side edge of the bottom plate is in close contact with the inner wall of the slot mold, and the fixing rod and the bottom plate are a welded integral structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a buffer component. When the pressing knife performs folding work on the cardboard, when the lower end of the pressing knife contacts the cardboard, the pressing knife pushes the slide plate at the upper end of the slide rod to slide in the slide groove in the fixed cylinder, the spring is compressed, and the elasticity of the spring is used to make the lower end of the pressing knife press against the cardboard, so as to perform folding work on the cardboard. The buffer component can provide a buffer protection for the folding of the cardboard by the pressing knife, so as to avoid pressure damage to the cardboard caused by excessive pressure under the pressing knife.

[0014] 2. The utility model sets a bottom plate, puts the bottom plate into the slot mold, and the fixing rods at both ends of the bottom plate enter the card slots. When the slot mold is used for a long time and waste chips are accumulated inside, the fixing rods are pulled upward through the grooves, and the fixing rods drive the bottom plate to be moved out of the slot mold. The bottom plate can bring the waste chips in the slot mold out of the slot mold. By setting the bottom plate, it is convenient to clean the waste chips in the slot mold, so as to avoid the accumulation of a lot of waste chips in the slot mold affecting the subsequent folding work. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2This is a cutaway perspective view of the fixing tube of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the pressure head of the utility model when it is installed;

[0018] Figure 4 This is a cutaway stereogram of the slot die of the utility model;

[0019] In the figure: 1. workbench; 2. buffer assembly; 21. movable plate; 22. fixed cylinder; 23. slide rod; 24. slide plate; 25. spring; 26. slide groove; 27. connecting assembly; 271. plug block; 272. slot; 273. fixing bolt; 274. fixing hole; 275. through hole; 3. adjustment mechanism; 4. support plate; 5. electric push rod; 6. bracket; 7. press knife; 8. fixing rod; 9. slot mold; 10. base; 11. bottom plate; 12. arc edge; 13. slot; 14. groove. DETAILED DESCRIPTION

[0020] 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 without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a folding machine for carton production, comprising a workbench 1, a base 10 is arranged at the lower end of the workbench 1, a backing plate 4 is arranged at the rear side of the upper end of the workbench 1, the backing plate 4 and the workbench 1 are connected by an adjustment mechanism 3, a bracket 6 is arranged at the upper end of the workbench 1, electric push rods 5 are arranged on both sides of the upper end of the bracket 6, a pressing knife 7 is arranged on the lower side of the electric push rod 5, a slot die 9 is arranged at the position corresponding to the pressing knife 7 at the upper end of the workbench 1, and the pressing knife 7 and the electric push rod 5 are connected by a buffer assembly 2.

[0023] Specifically, the buffer assembly 2 includes a movable plate 21, a fixed cylinder 22, a slide rod 23, a slide plate 24, a spring 25, a slide groove 26 and a connecting assembly 27, wherein a movable plate 21 is provided at the output end of the electric push rod 5, fixed cylinders 22 are provided on both sides of the lower end of the movable plate 21, a slide plate 24 is provided on the lower side of the fixed cylinder 22, the slide plate 24 is connected to the pressing knife 7 through the slide rod 23, a slide groove 26 corresponding to the slide plate 24 is provided inside the fixed cylinder 22, a spring 25 is provided at the upper end of the slide plate 24, and the pressing knife 7 is connected to the slide rod 23 through the connecting assembly 27.

[0024] By adopting the above technical solution, when the pressing knife 7 performs folding work on the cardboard, when the lower end of the pressing knife 7 contacts the cardboard, the pressing knife 7 pushes the slide plate 24 at the upper end of the slide rod 23 to slide in the slide groove 26 in the fixed cylinder 22, and the spring 25 is compressed. The elasticity of the spring 25 is used to make the lower end of the pressing knife 7 press against the cardboard, thereby folding the cardboard. By setting the buffer component 2, a buffer protection effect can be played on the folding of the cardboard by the pressing knife 7, thereby preventing the cardboard from being damaged by excessive pressure from the pressing knife 7.

[0025] Specifically, the connecting component 27 includes an insert block 271, a slot 272, a fixing bolt 273, a fixing hole 274 and a through hole 275, wherein an insert block 271 is provided at the lower end of the slide rod 23, a slot 272 corresponding to the insert block 271 is provided at the upper end of the pressing knife 7, the insert block 271 and the pressing knife 7 are connected by a fixing bolt 273, a fixing hole 274 corresponding to the fixing bolt 273 is provided in the slot 272, and a through hole 275 corresponding to the fixing bolt 273 is provided in the insert block 271.

[0026] By adopting the above technical solution, the plug block 271 at the lower end of the slide rod 23 is inserted into the slot 272 at the upper end of the pressing knife 7, and then the fixing bolt 273 is passed through the through hole 275 of the plug block 271, and the fixing bolt 273 is screwed into the fixing hole 274, so as to achieve the effect of fixing the plug block 271 and the pressing knife 7. By setting the connecting component 27, it is convenient to disassemble, assemble and replace the pressing knife 7, so as to avoid the pressing knife 7 being worn out for a long time and seriously affecting the folding quality.

[0027] Specifically, a sliding hole corresponding to the sliding rod 23 is provided at the lower end of the fixed cylinder 22 , the side of the sliding plate 24 is in close contact with the inner wall of the fixed cylinder 22 , and the fixed cylinder 22 and the movable plate 21 are welded by spot welding.

[0028] By adopting the above technical solution, the slide rod 23 can slide at the lower end of the fixed cylinder 22, the slide plate 24 slides more stably in the fixed cylinder 22, and the spot welding makes the fixed cylinder 22 and the movable plate 21 more secure.

[0029] When the present embodiment is used, when the folding machine for carton production is used, the device is installed in a suitable position, and after the support plate 4 is adjusted to move to a suitable position by the adjustment mechanism 3, the cardboard is placed on the support plate 4 and the slot die 9, and one end of the cardboard is pressed against the support plate 4, the electric push rod 5 is turned on to push the pressing knife 7 to move downward, and the pressing knife 7 cooperates with the slot die 9 to fold the cardboard. By setting the buffer component 2, when the pressing knife 7 folds the cardboard, when the lower end of the pressing knife 7 contacts the cardboard, the pressing knife 7 pushes the slide plate 24 at the upper end of the slide rod 23 to slide in the slide groove 26 in the fixed cylinder 22, and the spring 25 is compressed, and the elasticity of the spring 25 is used to make the lower end of the pressing knife 7 press against the cardboard. , thereby folding the cardboard. By setting the buffer component 2, the press knife 7 can play a buffering and protective role in folding the cardboard, avoiding excessive pressure from the press knife 7 to cause damage to the cardboard. By setting the connecting component 27, the plug block 271 at the lower end of the slide rod 23 is inserted into the slot 272 at the upper end of the press knife 7, and then the fixing bolt 273 is passed through the through hole 275 of the plug block 271, and the fixing bolt 273 is screwed into the fixing hole 274, so as to achieve the effect of fixing the plug block 271 and the press knife 7. By setting the connecting component 27, it is convenient to disassemble, assemble and replace the press knife 7, so as to avoid the press knife 7 being worn out for a long time and seriously affecting the folding quality.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that a bottom plate 11 is provided on the lower side of the slot mold 9, fixing rods 8 are provided at both ends of the bottom plate 11, a slot 13 corresponding to the fixing rod 8 is provided in the slot mold 9, a groove 14 is provided on the upper side of one end of the fixing rod 8, and arc edges 12 are provided at both ends of the groove 14.

[0032] By adopting the above technical solution, the bottom plate 11 is placed in the slot die 9, and the fixing rods 8 at both ends of the bottom plate 11 enter the card slots 13. When the slot die 9 is used for a long time and waste chips are accumulated inside, the fixing rods 8 are pulled upward by the grooves 14, and the fixing rods 8 drive the bottom plate 11 to move out of the slot die 9. The bottom plate 11 can bring the waste chips in the slot die 9 out of the slot die 9. By setting the bottom plate 11, it is convenient to clean the waste chips in the slot die 9, so as to avoid the accumulation of a lot of waste chips in the slot die 9 and affect the subsequent folding work.

[0033] Specifically, after the bottom plate 11 enters the slot mold 9, the side of the bottom plate 11 is in close contact with the inner wall of the slot mold 9, and the fixing rod 8 and the bottom plate 11 are a welded integral structure.

[0034] By adopting the above technical solution, after the bottom plate 11 enters the slot mold 9, the side of the bottom plate 11 is more closely fitted to the inner wall of the slot mold 9, and the fixed rod 8 and the bottom plate 11 are welded into an integrated structure, which is more sturdy and durable.

[0035] When this embodiment is used, the bottom plate 11 is set and the bottom plate 11 is placed in the slot die 9. The fixing rods 8 at both ends of the bottom plate 11 enter the card slots 13. When the slot die 9 is used for a long time and waste chips are accumulated inside, the fixing rods 8 are pulled upward through the grooves 14, and the fixing rods 8 drive the bottom plate 11 to move out of the slot die 9. The bottom plate 11 can bring the waste chips in the slot die 9 out of the slot die 9. By setting the bottom plate 11, it is convenient to clean the waste chips in the slot die 9, so as to avoid the accumulation of too much waste chips in the slot die 9 affecting the subsequent folding work.

[0036] The structure and working principle of the workbench 1, adjustment mechanism 3, back plate 4, electric push rod 5, bracket 6, press knife 7, slot die 9 and base 10 in the utility model have been disclosed in a folding device for corrugated cardboard production disclosed in Chinese patent application No. 2021201677005. Its working principle is to adjust the back plate 4 to a suitable position through the adjustment mechanism 3, place the cardboard on the back plate 4 and the slot die 9, and place one end of the cardboard close to the back plate 4, turn on the electric push rod 5 to push the press knife 7 to move downward, and the press knife 7 cooperates with the slot die 9 to fold the cardboard.

[0037] The working principle and use process of the utility model are as follows: when the folding machine for carton production is used, the device is installed in a suitable position, and after the support plate 4 is adjusted to a suitable position by the adjusting mechanism 3, the cardboard is placed on the support plate 4 and the slot die 9, and one end of the cardboard is pressed against the support plate 4, the electric push rod 5 is turned on to push the pressing knife 7 to move downward, and the pressing knife 7 cooperates with the slot die 9 to fold the cardboard. By setting a buffer component 2, when the pressing knife 7 folds the cardboard, when the lower end of the pressing knife 7 contacts the cardboard, the pressing knife 7 pushes the slide plate 24 at the upper end of the slide rod 23 to slide in the slide groove 26 in the fixed cylinder 22, and the spring 25 is compressed. The elasticity of the spring 25 is used to make the lower end of the pressing knife 7 press against the cardboard, thereby folding the cardboard. By setting the buffer component 2, the pressing knife 7 can play a buffering and protective role in folding the cardboard, so as to avoid excessive pressure under the pressing knife 7 and cause pressure damage to the cardboard. By setting a connecting component 27, The insert block 271 at the lower end of the slide bar 23 is inserted into the slot 272 at the upper end of the pressing knife 7. Thereafter, the fixing bolt 273 is passed through the through hole 275 of the insert block 271, and the fixing bolt 273 is screwed into the fixing hole 274 to achieve the effect of fixing the insert block 271 and the pressing knife 7. By setting the connecting component 27, it is convenient to disassemble and replace the pressing knife 7, so as to avoid that the pressing knife 7 is seriously affected by the wear and tear of long-term use and the folding quality is affected. By setting the bottom plate 11, the bottom plate 11 is placed in the slot die 9, and the fixing rods 8 at both ends of the bottom plate 11 enter the card slot 13. When the slot die 9 is used for a long time and waste chips are accumulated inside, the fixing rod 8 is pulled upward by the groove 14, and the fixing rod 8 drives the bottom plate 11 to move out of the slot die 9. The bottom plate 11 can bring the waste chips in the slot die 9 out of the slot die 9. By setting the bottom plate 11, it is convenient to clean the waste chips in the slot die 9, so as to avoid that a lot of waste chips are accumulated in the slot die 9 and affect the subsequent folding work.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding machine for carton production, comprising a workbench, characterized in that: A base is provided at the lower end of the workbench, a back plate is provided at the rear side of the upper end of the workbench, the back plate and the workbench are connected by an adjustment mechanism, a bracket is provided at the upper end of the workbench, electric push rods are provided on both sides of the upper end of the bracket, a pressing knife is provided on the lower side of the electric push rod, a slot die is provided at a position corresponding to the pressing knife at the upper end of the workbench, and the pressing knife and the electric push rod are connected by a buffer assembly.

2. A folding machine for carton production according to claim 1, characterized in that: The buffer assembly includes a movable plate, a fixed cylinder, a sliding rod, a slide plate, a spring, a sliding groove and a connecting assembly, wherein a movable plate is provided at the output end of the electric push rod, fixed cylinders are provided on both sides of the lower end of the movable plate, a slide plate is provided on the lower side of the fixed cylinder, the slide plate is connected to the pressing knife through a sliding rod, a sliding groove corresponding to the slide plate is provided inside the fixed cylinder, a spring is provided at the upper end of the slide plate, and the pressing knife and the sliding rod are connected through a connecting assembly.

3. A folding machine for carton production according to claim 2, characterized in that: The connecting assembly includes an insert block, a slot, a fixing bolt, a fixing hole and a through hole, wherein an insert block is arranged at the lower end of the slide rod, a slot corresponding to the insert block is arranged at the upper end of the pressing knife, the insert block and the pressing knife are connected by a fixing bolt, a fixing hole corresponding to the fixing bolt is arranged in the slot, and a through hole corresponding to the fixing bolt is arranged in the insert block.

4. A folding machine for carton production according to claim 2, characterized in that: The lower end of the fixed cylinder is provided with a sliding hole corresponding to the sliding rod, the side of the sliding plate is in close contact with the inner wall of the fixed cylinder, and the fixed cylinder and the movable plate are welded by spot welding.

5. The folding machine for carton production according to claim 1, characterized in that: A bottom plate is arranged at the lower side of the slot mold, fixing rods are arranged at both ends of the bottom plate, a slot corresponding to the fixing rod is arranged in the slot mold, a groove is arranged at the upper side of one end of the fixing rod, and arc edges are arranged at both ends of the groove.

6. A folding machine for carton production according to claim 5, characterized in that: After the bottom plate enters the slot mold, the side edge of the bottom plate is in close contact with the inner wall of the slot mold, and the fixing rod and the bottom plate are a welded integral structure.

Images