Binding paper coil pre-pressing forming cooling device
By designing the relative positions of the pre-pressed die and the bolt in the binding paper coil forming machine, the problem of uneven thermal pressing and cooling of the binding paper coil is solved, and the production quality is improved.
Patent Information
- Application Number
- CN202421950549.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-12
AI Technical Summary
In existing binding paper coil molding machines, the design of hot pressing and cooling dies leads to uneven hot pressing and cooling of binding paper coils, and poor production quality.
A pre-pressing cooling device for binding paper coils is designed. By setting the pre-pressing die above the pre-pressing mould, the hot-pressing mold is provided above the hot-pressing mould, and the cooling-setting mould is provided above the cooling-setting mould, ensuring that the binding paper coil remains uniform during the hot-pressing and cooling process.
The thermal pressing and cooling of the binding paper coil is achieved more uniformly, and the production quality is improved.
Smart Images
Figure CN222904829U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic production equipment, and particularly relates to a pre-pressing forming and cooling device for binding paper coils. Background Art
[0002] In the field of loose-leaf binding, it can be divided into adhesive binding, stapling, and ring binding. Ring binding generally involves threading binding coils through the binding holes of a booklet, so that the ring parts on the binding coils hook the booklet, thereby preventing the booklet from falling off. Currently, binding paper coils have emerged on the market. The binding paper coils are produced by a binding paper coil forming machine, which has a paper tooth belt pre-bending mechanism, a paper coil hot pressing forming mechanism, a paper coil cooling and shaping mechanism, and a paper coil conveying mechanism. The paper tooth belt pre-bending mechanism has two upper and lower pre-pressing dies, the paper coil cooling and shaping mechanism has four upper, lower, left, and right hot pressing dies, and the paper coil cooling and shaping mechanism has four upper, lower, left, and right cooling dies.
[0003] However, since both the upper hot pressing die and the upper cooling die are convex dies, and both the lower hot pressing die and the lower cooling die are concave dies, during the working process, the upward movement of the convex die easily drives the binding paper coil to lift upward, resulting in uneven hot pressing and cooling of the binding paper coil and poor production quality. Content of the Utility Model
[0004] Aiming at the deficiencies existing in the prior art, the utility model provides a pre-pressing forming and cooling device for binding paper coils, which can make the hot pressing and cooling of the binding paper coils more uniform and the production quality better.
[0005] To achieve the above object, the utility model adopts the following technical solutions:
[0006] A pre-pressing forming and cooling device for binding paper coils includes a frame, and a paper tooth belt pre-bending mechanism, a paper coil hot pressing forming mechanism, a paper coil cooling and shaping mechanism, a driving assembly, and a paper coil conveying mechanism arranged on the frame. The paper tooth belt pre-bending mechanism has a pre-pressing concave die and a pre-pressing convex die, and the pre-pressing concave die is arranged above the pre-pressing convex die. The paper coil hot pressing forming mechanism has a hot pressing forming concave die, a hot pressing forming convex die, a hot pressing forming left die, and a hot pressing forming right die, and the hot pressing forming concave die is arranged above the hot pressing forming convex die. The paper coil cooling and shaping mechanism includes a cooling and shaping concave die, a cooling and shaping convex die, a cooling and shaping left die, and a cooling and shaping right die, and the cooling and shaping concave die is arranged above the cooling and shaping convex die;
[0007] The driving assembly drives the pre-pressing female die, the hot-pressing forming female die, and the cooling and shaping female die to move up and down, and drives the hot-pressing forming left die, the hot-pressing forming right die, the cooling and shaping left die, and the cooling and shaping right die to move horizontally, so that the pre-pressing female die and the pre-pressing male die bend the plate-shaped paper tooth belt into a bent paper tooth belt; the hot-pressing forming female die, the hot-pressing forming male die, the hot-pressing forming left die, and the hot-pressing forming right die hot-press the bent paper tooth belt to form a semi-finished binding paper coil; the cooling and shaping female die, the cooling and shaping male die, the cooling and shaping left die, and the cooling and shaping right die cool the semi-finished binding paper coil to form a finished binding paper coil;
[0008] The paper coil conveying mechanism can drive the finished binding paper coil to move away from the paper coil cooling and shaping mechanism, so that the finished binding paper coil drives the semi-finished binding paper coil, the bent paper tooth belt, and the plate-shaped paper tooth belt to move synchronously in sequence.
[0009] By arranging the pre-pressing female die above the pre-pressing male die, the hot-pressing forming female die above the hot-pressing forming male die, and the cooling and shaping female die above the cooling and shaping male die, during production, the bent paper tooth belt hangs on the pre-pressing male die, the semi-finished binding paper coil hangs on the hot-pressing forming male die, and the finished binding paper coil hangs on the cooling and shaping male die. Thus, when the hot-pressing forming female die and the cooling and shaping female die move upward, the semi-finished binding paper coil remains on the hot-pressing forming male die and the finished binding paper coil remains on the cooling and shaping male die, making the hot-pressing and cooling of the binding paper coil more uniform and the production quality better.
[0010] As a preferred solution, the pre-pressing female die is provided with a bending groove with an opening facing downward, and the pre-pressing male die is provided with a bending rib corresponding to the bending groove. The bending rib extends upward into the bending groove to bend the plate-shaped paper tooth belt into a bent paper tooth belt.
[0011] As a preferred solution, the top inside the bending groove extends horizontally in the front-rear direction, and the depth of the bending groove in the up-down direction gradually increases from the rear to the front.
[0012] As a preferred solution, the top inside the bending groove and the top of the bending rib are both provided with upwardly convex arc surfaces.
[0013] As a preferred solution, the pre-pressing female die is provided with at least one relief groove communicating with the bending groove. The relief groove is provided with a relief die and a first spring. The relief die is movably installed up and down in the relief groove, and the first spring makes the relief die always tend to extend downward into the bending groove.
[0014] As a preferred solution, at least one pushing component is provided on both the left and right sides of the pre-pressing punch. The pushing component has a movable seat and a second spring. The movable seat is vertically movably connected to the pre-pressing punch. The second spring always makes the movable seat tend to move upward. When the pre-pressing female die moves downward, the pre-pressing female die pushes the movable seat downward. When the pre-pressing female die moves upward, the second spring drives the movable seat to jack up the bent paper tooth belt upward.
[0015] As a preferred solution, an adjusting part corresponding to the movable seat is provided on the pre-pressing female die. The adjusting part can be installed on the pre-pressing female die in a vertically adjustable manner. When the pre-pressing female die moves downward, the lower end of the adjusting part abuts against the movable seat.
[0016] As a preferred solution, a hot pressing and forming groove with an opening facing downward is provided on the hot pressing and forming female die. A hot pressing and forming plate is provided on the hot pressing and forming punch. Hot pressing and forming columns corresponding to the hot pressing and forming groove are provided on the hot pressing and forming plate. A left hot pressing arc surface and a left hot pressing plane are provided on the left hot pressing and forming die. A right hot pressing arc surface and a right hot pressing plane are provided on the right hot pressing and forming die.
[0017] As a preferred solution, a cooling and shaping groove with an opening facing downward is provided on the cooling and shaping female die. A cooling and shaping plate is provided on the cooling and shaping punch. Cooling and shaping columns corresponding to the cooling and shaping groove are provided on the cooling and shaping plate. The cooling and shaping columns are on the same straight line as the hot pressing and forming columns. A left pressing end is provided on the left cooling and shaping die. A right pressing end is provided on the right cooling and shaping die.
[0018] As a preferred solution, the driving assembly includes a first driving assembly and a second driving assembly. The first driving assembly drives the pre-pressing female die, the hot pressing and forming female die, and the cooling and shaping female die to move up and down synchronously. The second driving assembly drives the left hot pressing and forming die, the right hot pressing and forming die, the left cooling and shaping die, and the right cooling and shaping die to move horizontally synchronously.
[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, by arranging the pre-pressing female die above the pre-pressing punch, arranging the hot pressing and forming female die above the hot pressing and forming punch, and arranging the cooling and shaping female die above the cooling and shaping punch, during production, the bent paper tooth belt is hung on the pre-pressing punch, the semi-finished binding paper coil is hung on the hot pressing and forming punch, and the finished binding paper coil is hung on the cooling and shaping punch. Thus, when the hot pressing and forming female die and the cooling and shaping female die move upward, the semi-finished binding paper coil remains on the hot pressing and forming punch and the finished binding paper coil remains on the cooling and shaping punch, making the hot pressing and cooling of the binding paper coil more uniform and the production quality better.
[0020] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the structure of a plate-shaped paper toothed belt according to an embodiment of the utility model;
[0022] Figure 2 It is a side view of a curved paper tooth belt according to an embodiment of the utility model;
[0023] Figure 3 This is a schematic diagram of the finished structure of a binding paper coil according to an embodiment of the utility model;
[0024] Figure 4 It is a schematic diagram of the assembly structure of the binding paper coil pre-pressing and cooling device according to the embodiment of the utility model;
[0025] Figure 5 It is a schematic diagram of the assembly of a frame, a paper tooth belt pre-bending mechanism, a paper coil hot pressing and forming mechanism, and a paper coil cooling and shaping mechanism of an embodiment of the utility model;
[0026] Figure 6 It is an exploded schematic diagram of a pre-pressing concave die and a pre-pressing convex die of an embodiment of the utility model;
[0027] Figure 7 It is a cross-sectional schematic diagram from a first perspective of a pre-pressing concave die and a pre-pressing convex die of an embodiment of the utility model;
[0028] Figure 8 It is a cross-sectional schematic diagram from a second perspective of the pre-pressing concave die and the pre-pressing convex die of the embodiment of the utility model;
[0029] Figure 9 It is a side view of the working state of the hot pressing forming concave die, the hot pressing forming convex die, the hot pressing forming left die, and the hot pressing forming right die of the embodiment of the utility model;
[0030] Figure 10 yes Figure 9 A partial enlarged schematic diagram of part A;
[0031] Figure 11 It is a side view of the working state of the cooling and shaping concave die, the cooling and shaping convex die, the cooling and shaping left die, and the cooling and shaping right die of the embodiment of the utility model;
[0032] Figure 12 yes Figure 11 A partial enlarged schematic diagram of part B.
[0033] Description of the accompanying drawings:
[0034] 10 - Frame; 20 - Pre - bending mechanism for paper tooth belt; 21 - Pre - pressing female die; 211 - Bending groove; 212 - Relief groove; 213 - Relief die; 214 - First spring; 22 - Pre - pressing male die; 221 - Bending rib; 24 - Thrust assembly; 241 - Movable seat; 242 - Second spring; 243 - Guide; 2431 - Threaded section; 2432 - Guide section; 2433 - Bolt head; 244 - Guide hole; 25 - Adjusting part; 251 - Adjusting screw; 30 - Hot - pressing forming mechanism for paper coil; 31 - Hot - pressing forming female die; 311 - Hot - pressing forming groove; 32 - Hot - pressing forming male die; 321 - Hot - pressing forming plate; 322 - Hot - pressing forming column; 33 - Left hot - pressing die for paper coil; 331 - Left - hand hot - pressing arc surface; 332 - Left - hand hot - pressing flat surface; 34 - Right hot - pressing die for paper coil; 341 - Right - hand hot - pressing arc surface; 342 - Right - hand hot - pressing flat surface; 40 - Cooling and shaping mechanism for paper coil; 41 - Cooling and shaping female die; 411 - Cooling and shaping groove; 42 - Cooling and shaping male die; 421 - Cooling and shaping plate; 422 - Cooling and shaping column; 43 - Left cooling and shaping die; 431 - Left - hand pressing end; 44 - Right cooling and shaping die; 441 - Right - hand pressing end; 50 - Driving assembly; 51 - First driving assembly; 52 - Second driving assembly; 60 - Conveyor mechanism for paper coil; 100 - Plate - shaped paper tooth belt; 101 - Paper tooth; 102 - Bent paper tooth belt; 103 - Finished product of bound paper coil; 104 - Plate part; 105 - Coil part; 106 - Connecting part; 107 - Gap. Detailed implementation mode
[0035] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0036] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0037] As Figure 1-12 shown, the present utility model discloses a pre - pressing, forming and cooling device for bound paper coils, which is used to process the Figure 1 plate - shaped paper tooth belt 100 inFigure 2 The bent paper tooth belt 102, and then Figure 2 processing the bent paper tooth belt 102 in Figure 3 to form the finished binding paper coil 103 in
[0038] The binding paper coil pre-pressing and cooling device includes a frame 10, and a paper tooth belt pre-bending mechanism 20, a paper coil hot pressing and forming mechanism 30, a paper coil cooling and shaping mechanism 40, a driving assembly 50 and a paper coil conveying mechanism 60 provided on the frame 10.
[0039] The paper tooth belt pre-bending mechanism 20 has a pre-pressing female die 21 and a pre-pressing male die 22. The pre-pressing female die 21 is arranged above the pre-pressing male die 22. Heating tubes (not shown) are provided in the pre-pressing female die 21 and / or the pre-pressing male die 22, and the heating tubes are electric heating tubes.
[0040] The paper coil hot pressing and forming mechanism 30 has a hot pressing and forming female die 31, a hot pressing and forming male die 32, a hot pressing and forming left die 33 and a hot pressing and forming right die 34. The hot pressing and forming female die 31 is arranged above the hot pressing and forming male die 32. Heating tubes (not shown) are provided in the hot pressing and forming female die 31, the hot pressing and forming male die 32, the hot pressing and forming left die 33 and the hot pressing and forming right die 34.
[0041] The paper coil cooling and shaping mechanism 40 includes a cooling and shaping female die 41, a cooling and shaping male die 42, a cooling and shaping left die 43 and a cooling and shaping right die 44. The cooling and shaping female die 41 is arranged above the cooling and shaping male die 42. Water channels (not shown), an inlet joint (not shown) and an outlet joint (not shown) communicated with the water channels are provided on the cooling and shaping female die 41, the cooling and shaping male die 42, the cooling and shaping left die 43 and the cooling and shaping right die 44.
[0042] The driving assembly 50 drives the pre-pressing female die 21, the hot pressing forming female die 31, and the cooling and shaping female die 41 to move up and down, and drives the hot pressing forming left die 33, the hot pressing forming right die 34, the cooling and shaping left die 43, and the cooling and shaping right die 44 to move horizontally, so that the pre-pressing female die 21 and the pre-pressing male die 22 bend the plate-shaped paper tooth belt 100 to form a bent paper tooth belt 102; the hot pressing forming female die 31, the hot pressing forming male die 32, the hot pressing forming left die 33, and the hot pressing forming right die 34 hot press the bent paper tooth belt 102 to form a semi-finished product of a binding paper coil; the cooling and shaping female die 41, the cooling and shaping male die 42, the cooling and shaping left die 43, and the cooling and shaping right die 44 cool the semi-finished product of the binding paper coil to form a finished product of the binding paper coil 103; wherein, the semi-finished product of the binding paper coil formed by hot pressing of the paper coil hot pressing forming mechanism 30 has a basic contour of a plate portion 104, a coil portion 105, and a connecting portion 106. Due to certain internal stress in the semi-finished product of the binding paper coil, the semi-finished product of the binding paper coil will expand outwards by itself. Therefore, the subsequent paper coil cooling and shaping mechanism 40 is required to cool and shape the semi-finished product of the binding paper coil; during the cooling process of the semi-finished product of the binding paper coil by the paper coil cooling and shaping mechanism 40, after the adhesive layer on the semi-finished product of the binding paper coil hardens, it can offset the internal stress of the finished product of the binding paper coil 103, so that the finished product of the binding paper coil 103 will not expand outwards by itself.
[0043] The paper coil conveying mechanism 60 can drive the finished product of the binding paper coil 103 to move away from the paper coil cooling and shaping mechanism 40, so that the finished product of the binding paper coil 103 drives the semi-finished product of the binding paper coil, the bent paper tooth belt 102, and the plate-shaped paper tooth belt 100 to move synchronously. The paper coil conveying mechanism 60 is an existing mature technology, and it drives the conveying gear to rotate through a conveying motor, so that the conveying gear drives the finished product of the binding paper coil 103.
[0044] The pre-pressing female die 21 is provided with a bending groove 211 with an opening facing downwards, and the pre-pressing male die 22 is provided with a bending convex strip 221 corresponding to the bending groove 211. Both the bending convex strip 221 and the bending groove 211 extend in the front-rear direction. The bending convex strip 221 extends upwards into the bending groove 211 to bend the plate-shaped paper tooth belt 100 to form a bent paper tooth belt 102.
[0045] The top inside the bending groove 211 extends horizontally in the front-rear direction, and the depth of the bending groove 211 in the up-down direction gradually increases from back to front; by setting the depth of the bending groove 211 in the up-down direction to gradually increase from back to front, during the bending process of the plate-shaped paper tooth belt 100 by the bending groove 211, the bending degree of the plate-shaped paper tooth belt 100 gradually increases, with a gradual change effect, avoiding excessive bending degree of the whole plate-shaped paper tooth belt 100 in a short time and preventing damage to the plate-shaped paper tooth belt 100.
[0046] The tops of the inner part of the bending groove 211 and the top of the bending rib 221 are both provided with upwardly protruding arc surfaces (not shown). During operation, the arc surface in the bending groove 211 abuts against the outer surface of the bent paper tooth belt 102, and the arc surface on the bending rib 221 abuts against the inner surface of the bent paper tooth belt 102.
[0047] The pre-pressing female die 21 is provided with at least one relief groove 212 communicating with the bending groove 211. A relief die 213 and a first spring 214 are arranged in the relief groove 212. The relief die 213 is movably installed up and down in the relief groove 212. The first spring 214 always makes the relief die 213 tend to extend downward into the bending groove 211. Exemplarily, three relief grooves 212 are arranged in the front-rear direction. The first spring 214 is a compression spring or a tension spring. By arranging the relief groove 212, the relief die 213 and the first spring 214, after the pre-pressing of the plate-shaped paper tooth belt 100 is completed, during the upward movement and demolding process of the pre-pressing female die 21, the first spring 214 pushes against the relief die 213 to keep it stationary, so that the bending groove 211 moves upward and disengages from the bent paper tooth belt 102 prior to the relief die 213, and then the relief die 213 disengages from the bent paper tooth belt 102. This enables the bending groove 211 to press against the bent paper tooth belt 102 by means of the relief die 213 during the demolding process, preventing the inner wall of the bending groove 211 from adhering to the adhesive layer on the bent paper tooth belt 102 and lifting the bent paper tooth belt 102 away from the bending rib 221.
[0048] At least one pushing component 24 is arranged on both the left and right sides of the pre-pressing male die 21. Exemplarily, two pushing components 24 are arranged on both the left and right sides of the pre-pressing male die 21. The pushing component 24 has a movable seat 241 and a second spring 242. The movable seat 241 is movably connected up and down with the pre-pressing male die 22. The second spring 242 always makes the movable seat 241 tend to move upward. When the pre-pressing female die 21 moves downward, the pre-pressing female die 21 pushes against the movable seat 241 to move it downward. When the pre-pressing female die 21 moves upward, the second spring 2442 drives the movable seat 241 to push the bent paper tooth belt 102 upward. Specifically, the second spring 242 is a thrust spring. The upper end of the thrust spring abuts against the movable seat 241, and the lower end of the thrust spring abuts against the pre-pressing male die 22. It can be understood that the second spring 242 can also be a tension spring. By arranging the pushing component 24, when the pre-pressing female die 21 moves upward, the second spring 242 drives the movable seat 241 to push the bent paper tooth belt 102 upward, thereby preventing the inner surface of the bent paper tooth belt 102 from adhering to the pre-pressing male die 22, and further enabling the bent paper tooth belt 102 to smoothly move forward to the paper coil hot pressing and forming mechanism 30.
[0049] An adjusting member 24 corresponding to the movable seat 241 is provided on the preloading female die 21. The adjusting member 24 is vertically adjustably mounted on the preloading female die 21. When the preloading female die 21 moves downward, the lower end of the adjusting member 24 abuts against the movable seat 241. Specifically, the adjusting member 24 is at least one adjusting screw 251. Exemplarily, there are two adjusting screws 251, and the two adjusting screws 251 are distributed in the front-rear direction. The adjusting screw 251 is threadedly connected to the preloading female die 21, and the central axis of the adjusting screw 251 extends in the vertical direction. By providing the adjusting member 24, the position where the preloading female die 21 pushes the movable seat 241 downward can be adjusted to ensure that the movable seat 241 is located below the bent paper tooth belt 102.
[0050] A guiding member 243 is provided on the preloading male die 22, and a guiding hole 244 is provided on the movable seat 241. The guiding member 243 is vertically movably inserted into the guiding hole 244. Specifically, the guiding member 243 is a guiding bolt. The guiding hole 244 extends in the vertical direction. The guiding bolt has a threaded section 2431, a guiding section 2432, and a bolt head 2433 connected in sequence. The threaded section 2431 is threadedly connected to the preloading male die 22. The guiding section 2432 is movably inserted into the guiding hole 244. One end of the guiding section 2432 extends out of the guiding hole 244 to connect the bolt head 2433, and the bolt head 2433 abuts against one side of the movable seat 241. The other side of the movable seat 241 abuts against the preloading male die 22. By providing the bolt head 2433 to abut against one side of the movable seat 241 and providing the other side of the movable seat 241 to abut against the preloading male die 22, the movable seat 241 is prevented from disengaging from the preloading male die 22 in the left-right direction.
[0051] It should be noted that the guiding member 243 of the present invention can also be a guiding column extending vertically, and the guiding column can be vertically movably inserted into a guiding through hole on the movable seat 241.
[0052] The hot pressing die 31 is provided with a hot pressing groove 311 with an opening facing downwards. The hot pressing groove 311 is a semi-circular groove. The hot pressing punch 32 is provided with a hot pressing plate 321. The hot pressing plate 321 is provided with hot pressing columns 322 corresponding to the hot pressing groove 311. Both the hot pressing columns 322 and the hot pressing groove 311 extend in the front-rear direction. The hot pressing left die 33 is provided with a left hot pressing arc surface 331 and a left hot pressing flat surface 332. The hot pressing right die 34 is provided with a right hot pressing arc surface 341 and a right hot pressing flat surface 342. The width of the hot pressing plate 321 gradually increases from top to bottom. Both the left hot pressing flat surface 332 and the right hot pressing flat surface 342 extend obliquely away from the hot pressing plate 321 from top to bottom. During hot pressing, the cooperation of the hot pressing columns 322, the hot pressing groove 311, the left hot pressing arc surface 331 and the right hot pressing arc surface 341 can hot press a loop part 105 on the bent paper tooth belt 102. The loop part 105 is sleeved outside the hot pressing columns 322 and can move forward along the hot pressing columns 322. The cooperation of the hot pressing plate 321 and the left hot pressing flat surface 332 can hot press a connecting part 106 on the bent paper tooth belt 102. The cooperation of the hot pressing plate 321 and the right hot pressing flat surface 342 can hot press a plate part 104 on the bent paper tooth belt 102. It can be understood that the connecting part 106 can also be hot pressed by the cooperation of the hot pressing plate 321 and the right hot pressing flat surface 342. Correspondingly, the plate part 104 is hot pressed by the cooperation of the hot pressing plate 321 and the left hot pressing flat surface 332, which mainly depends on the positions of the plate part 104 and the connecting part 106 on the bound paper coil finished product 103.
[0053] The cooling and shaping die 41 is provided with a cooling and shaping groove 411 with an opening facing downwards. The cooling and shaping groove 411 is a semi-circular groove. The cooling and shaping punch 42 is provided with a cooling and shaping plate 421. The structure of the cooling and shaping plate 421 is the same as that of the hot pressing plate 321. The cooling and shaping plate 421 is provided with cooling and shaping columns 422 corresponding to the cooling and shaping groove 411. Both the cooling and shaping columns 422 and the cooling and shaping groove 411 extend in the front-rear direction. The cooling and shaping columns 422 and the hot pressing columns 322 are on the same straight line. The cooling and shaping left die 43 is provided with a left pressing end 431. The cooling and shaping right die 44 is provided with a right pressing end 441. The left pressing end 431 is used to press the connecting part 106 against the left side wall of the cooling and shaping plate 421. The right pressing end 441 is used to press the plate part 104 against the right side wall of the cooling and shaping plate 421. During cooling and shaping, the cooperation of the cooling and shaping columns 422, the cooling and shaping groove 411, the left pressing end 431 and the right pressing end 441 can cool the bound paper coil semi-finished product to form the bound paper coil finished product 103. The loop part 105 is sleeved outside the cooling and shaping columns 422 and can move forward along the cooling and shaping columns 422.
[0054] The driving assembly 50 includes a first driving assembly 51 and a second driving assembly 52. The first driving assembly 51 drives the pre-pressing female die 21, the hot pressing forming female die 31, and the cooling and shaping female die 41 to move up and down synchronously. The second driving assembly 52 drives the hot pressing forming left die 33, the hot pressing forming right die 34, the cooling and shaping left die 43, and the cooling and shaping right die 44 to move horizontally synchronously. During operation, first, the first driving assembly 51 drives the pre-pressing female die 21, the hot pressing forming female die 31, and the cooling and shaping female die 41 to move downward synchronously, and then the second driving assembly 52 drives the hot pressing forming left die 33, the hot pressing forming right die 34, the cooling and shaping left die 43, and the cooling and shaping right die 44 to move horizontally and approach each other. When resetting, the first driving assembly 51 and the second driving assembly 52 act synchronously. Among them, both the first driving assembly 51 and the second driving assembly 52 are existing mature technologies, and both can adopt the driving method of a cylinder or the transmission method of a motor + transmission shaft + crank mechanism, which will not be elaborated here. By setting the driving assembly composed of the first driving assembly 51 and the second driving assembly 52, during operation, first, the first driving assembly 51 drives the pre-pressing female die 21, the hot pressing forming female die 31, and the cooling and shaping female die 41 to move downward synchronously to press and position the flat paper tooth belt, the bent paper tooth belt, and the semi-finished binding paper coil. Then, the second driving assembly 52 drives the hot pressing forming left die 33, the hot pressing forming right die 34, the cooling and shaping left die 43, and the cooling and shaping right die 44 to move horizontally and approach each other to hot press the bent paper tooth belt 102 and cool and shape the semi-finished binding paper coil, making the production of the binding paper coil more stable, the hot pressing and cooling more uniform, and the quality better.
[0055] The working principle of the present utility model:
[0056] Start the paper coil conveying mechanism 60. The paper coil conveying mechanism 60 drives the loop part 105 on the finished binding paper coil 103 to move forward, so that the loop part 105 drives the finished binding paper coil 103 to move forward. The finished binding paper coil 103 drives the semi-finished binding paper coil, the bent paper tooth belt 102, and the plate-shaped paper tooth belt 100 to move synchronously in turn. The plate-shaped paper tooth belt 100 moves to the paper tooth belt pre-bending mechanism 20, the bent paper tooth belt 102 moves to the paper coil hot pressing forming mechanism 30, and the semi-finished binding paper coil moves to the paper coil cooling and shaping mechanism 40, and then the paper coil conveying mechanism 60 stops working;
[0057] The first driving assembly 51 first drives the pre-pressing female die 21, the hot pressing forming female die 31, and the cooling and shaping female die 41 to move downward synchronously. The pre-pressing female die 21 moves downward to squeeze the plate-shaped paper tooth belt 100, so that the plate-shaped paper tooth belt 100 is bent to form the bent paper tooth belt 102; the hot pressing forming female die 31 moves downward to press against the bent paper tooth belt 102; the cooling and shaping female die 41 moves downward to press against the semi-finished binding paper coil;
[0058] The second driving assembly 52 further drives the hot pressing left mold 33, the hot pressing right mold 34, the cooling and shaping left mold 43 and the cooling and shaping right mold 44 to move horizontally and approach synchronously, so that the hot pressing left mold 33, the hot pressing right mold 34 and the hot pressing female mold 31 hot press the bent paper tooth belt 102 to form a semi-finished binding paper coil; and the cooling and shaping left mold 33, the cooling and shaping right mold 34 and the cooling and shaping female mold 41 cool the semi-finished binding paper coil to form a finished binding paper coil 103. Finally, the first driving assembly 51 and the second driving assembly 52 act synchronously to reset the pre-pressing female mold 21, the hot pressing female mold 31, the cooling and shaping female mold 41, the hot pressing left mold 33, the hot pressing right mold 34, the cooling and shaping left mold 43 and the cooling and shaping right mold 44, and repeat the above cycle.
[0059] In summary, in the present utility model, the pre-pressing female mold is arranged above the pre-pressing male mold, the hot pressing female mold is arranged above the hot pressing male mold, and the cooling and shaping female mold is arranged above the cooling and shaping male mold. During production, the bent paper tooth belt is hung on the pre-pressing male mold, the semi-finished binding paper coil is hung on the hot pressing male mold, and the finished binding paper coil is hung on the cooling and shaping male mold. Thus, when the hot pressing female mold and the cooling and shaping female mold move upward, the semi-finished binding paper coil remains on the hot pressing male mold and the finished binding paper coil remains on the cooling and shaping male mold, making the hot pressing and cooling of the binding paper coil more uniform and the production quality better.
[0060] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments according to the technical reality of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims
1. A binding paper coil pre-pressing and cooling device, characterized in that: It includes a frame, and a paper tooth belt pre-bending mechanism, a paper coil hot pressing and forming mechanism, a paper coil cooling and shaping mechanism, a driving assembly and a paper coil conveying mechanism arranged on the frame; The paper toothed belt pre-bending mechanism comprises a pre-pressing concave die and a pre-pressing convex die, wherein the pre-pressing concave die is arranged above the pre-pressing convex die, the paper coil hot pressing forming mechanism comprises a hot pressing forming concave die, a hot pressing forming convex die, a hot pressing forming left die, and a hot pressing forming right die, wherein the hot pressing forming concave die is arranged above the hot pressing forming convex die, and the paper coil cooling and shaping mechanism comprises a cooling and shaping concave die, a cooling and shaping convex die, a cooling and shaping left die, and a cooling and shaping right die, wherein the cooling and shaping concave die is arranged above the cooling and shaping convex die; The driving assembly drives the pre-pressing die, the hot pressing forming die, and the cooling and shaping die to move up and down, and drives the hot pressing forming left die, the hot pressing forming right die, the cooling and shaping left die, and the cooling and shaping right die to move horizontally, so that the pre-pressing die and the pre-pressing convex die bend the plate-shaped paper tooth belt into a curved paper tooth belt; the hot pressing forming die, the hot pressing forming convex die, the hot pressing forming left die, and the hot pressing forming right die hot-press the curved paper tooth belt into a semi-finished binding paper coil; the cooling and shaping die, the cooling and shaping convex die, the cooling and shaping left die, and the cooling and shaping right die cool the semi-finished binding paper coil into a finished binding paper coil; The paper coil conveying mechanism can drive the finished binding paper coil to move away from the paper coil cooling and shaping mechanism, so that the finished binding paper coil can sequentially drive the semi-finished binding paper coil, the curved paper tooth belt and the plate-shaped paper tooth belt to move synchronously.
2. The binding paper coil pre-pressing and cooling device according to claim 1, characterized in that: The pre-pressing die is provided with a bending groove with an opening facing downward, and the pre-pressing convex die is provided with a bending convex strip corresponding to the bending groove. The bending convex strip extends upward into the bending groove to bend the plate-shaped paper tooth belt into a curved paper tooth belt.
3. The binding paper coil pre-pressing and cooling device according to claim 2, characterized in that: The top of the bending groove extends horizontally along the front-to-back direction, and the depth of the bending groove along the up-down direction gradually increases from back to front.
4. The binding paper coil pre-pressing and cooling device according to claim 2, characterized in that: The top of the bending groove and the top of the bending convex strip are both provided with an arc surface protruding upward.
5. The binding paper coil pre-pressing and cooling device according to claim 1, characterized in that: The pre-pressing die is provided with at least one tool withdrawal groove connected to the bending groove, and a tool withdrawal die and a first spring are provided in the tool withdrawal groove. The tool withdrawal die can be movably installed in the tool withdrawal groove up and down, and the first spring makes the tool withdrawal die always have a tendency to extend downward into the bending groove.
6. The binding paper coil pre-pressing and cooling device according to claim 1, characterized in that: At least one pushing assembly is provided on both sides of the pre-pressing punch, and the pushing assembly has a movable seat and a second spring. The movable seat is movably connected to the pre-pressing punch up and down, and the second spring makes the movable seat always have a tendency to move upward. When the pre-pressing die moves downward, the pre-pressing die pushes the movable seat downward. When the pre-pressing die moves upward, the second spring drives the movable seat to lift up the curved paper tooth belt.
7. The binding paper coil pre-pressing and cooling device according to claim 6, characterized in that: The pre-pressing die is provided with an adjusting piece corresponding to the movable seat. The adjusting piece can be adjusted up and down and is installed on the pre-pressing die. When the pre-pressing die moves downward, the lower end of the adjusting piece abuts against the movable seat.
8. The binding paper coil pre-pressing and cooling device according to claim 1, characterized in that: The hot pressing forming concave die is provided with a hot pressing forming groove opening downward, the hot pressing forming convex die is provided with a hot pressing forming plate, the hot pressing forming plate is provided with a hot pressing forming column corresponding to the hot pressing forming groove, the hot pressing left die is provided with a left hot pressing arc surface and a left hot pressing plane, and the hot pressing right die is provided with a right hot pressing arc surface and a right hot pressing plane.
9. The binding paper coil pre-pressing and cooling device according to claim 1, characterized in that: The cooling and forming concave die is provided with a cooling and forming groove with an opening facing downward, the cooling and forming convex die is provided with a cooling and forming plate, the cooling and forming plate is provided with a cooling and forming column corresponding to the cooling and forming groove, the cooling and forming column and the hot pressing forming column are in the same straight line, the cooling and forming left die is provided with a left side pressing end, and the cooling and forming right die is provided with a right side pressing end.
10. The binding paper coil pre-pressing and cooling device according to any one of claims 1 to 9, characterized in that: The driving assembly includes a first driving assembly and a second driving assembly. The first driving assembly drives the pre-pressing die, the hot pressing forming die, and the cooling and shaping die to move up and down synchronously. The second driving assembly drives the hot pressing forming left die, the hot pressing forming right die, the cooling and shaping left die, and the cooling and shaping right die to move horizontally synchronously.