Automatic production equipment and production process for loose type cable tie

Abstract

The invention discloses automatic production equipment and a production process for a loose type cable tie, and relates to the technical field of cable tie production, the automatic production equipment comprises a mounting seat, a guide frame, an injection molding head, a movable mold, a positioning seat and a fixed mold, and a movable ejection piece is arranged on the outer side of a direct connection sliding block; and an alternate driving piece for intermittently moving the air bin is mounted on the mounting seat. By arranging the movable jacking part and the alternate driving part, the threaded rod moves along the central axis of the connecting sleeve through operation of the alternate driving part, and when the air bin moves, the cable tie is pushed by the jacking plate to move by a certain distance, so that a gap is formed between the cable tie and the injection molding groove in the fixed mold; when the rotating disc rotates, air in the air bin is jetted into a gap between the fixed mold and the ribbon through the air hole and the air connecting pipe, so that the situation that the ribbon is damaged when the ribbon is separated from the fixed mold due to the fact that the stress area between the ribbon and the ejector pin is small is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of cable tie production, and specifically to an automatic production device and production process for releasable cable ties. Background Art

[0002] Cable ties, also known as wire ties, bundling ties, and locking ties, are used to tie things. Generally, they can be classified into nylon cable ties, stainless steel cable ties, spray-coated stainless steel cable ties, etc. according to the material, and into ordinary cable ties, releasable cable ties, label cable ties, fixed-lock cable ties, plug-in cable ties, heavy-tensile cable ties, etc. according to the function. The mold plays a crucial role in the production process of cable ties. Compared with the most traditional non-releasable cable ties, the structure of releasable cable ties is slightly more complex, so the requirement for demolding is also increased.

[0003] Most of the existing molds for producing plastic cable ties use ejector pins to lift the formed cable ties to achieve demolding of the formed cable ties. Since the ejector pins have a small force-bearing area when pushing the cable ties, it is easy to damage the cable ties when the ejector pins push the cable ties, thus affecting the production quality. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic production device and production process for releasable cable ties in order to solve the problem that the cable ties are easily damaged when taken out of the mold after production is completed.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An automatic production device for releasable cable ties, including a mounting base, a guiding frame, an injection head, a movable mold, a positioning seat, and a fixed mold. The guiding frame is installed at one end of the mounting base. The movable mold is slidably connected to the guiding frame. The injection head is installed on the side of the movable mold away from the mounting base. The positioning seat is installed on one side of the mounting base and is located between the movable mold and the mounting base. The fixed mold is installed on the side of the positioning seat close to the movable mold. A connecting frame is installed on the side of the mounting base away from the positioning seat. A rotating disk is rotatably connected to the inner side of the connecting frame. A retaining pin is installed on one side of the rotating disk. A direct-connection slider is slidably sleeved on the outside of the retaining pin. An active top-positioning member is arranged on the outside of the direct-connection slider. The retaining pin is connected through the active top-positioning member to an air chamber located between the positioning seat and the mounting base. An air connecting pipe extending to the inside of the fixed mold is arranged inside the air chamber. A mounting seat is installed on one side of the mounting base and is located on one side of the connecting frame. An alternating driving member for intermittently moving the air chamber is installed on the mounting seat.

[0006] As a further solution of the present invention: The movable top-positioning member includes side plates installed on both sides of the air chamber. A threaded rod is fixedly installed on the side plates. A connecting sleeve is sleeved outside the threaded rod. One end of the connecting sleeve away from the side plate is installed with a third rotating shaft. A connecting sleeve plate located outside the third rotating shaft is fixedly installed on the mounting seat. One end of the connecting air pipe away from the air chamber is installed with a top plate.

[0007] As a further solution of the present invention: The diameter of the top plate is larger than the outer wall diameter of the connecting air pipe, and the diameter of the top plate is equal to the diameter of the thimble hole on the fixed mold.

[0008] As a further solution of the present invention: The movable top-positioning member further includes first liquid storage cylinders installed on both sides of the bottom of the connecting frame. A first piston rod extending outside the first liquid storage cylinder and connected to the direct-connection slider is inserted inside the first liquid storage cylinder. A piston plate is slidably connected inside the air chamber. One side of the piston plate is provided with a second piston rod penetrating to the outside of the air chamber. A second liquid storage cylinder connected to the outer wall of the air chamber is arranged outside the second piston rod. A return spring connected to the inner wall of the second liquid storage cylinder is arranged outside the second piston rod. The bottom of the second liquid storage cylinder is connected to a hose connected to the bottom of the first liquid storage cylinder. First one-way valves are installed on both sides of the top of the air chamber. A second one-way valve located inside the air chamber is installed at one end of the connecting air pipe. Air holes are arranged on both sides of the connecting air pipe near the top plate.

[0009] As a further solution of the present invention: The exhaust end of the first one-way valve is connected to the air chamber, the exhaust end of the second one-way valve is connected to the connecting air pipe, and a through hole is opened on one side of the air chamber away from the connecting air pipe.

[0010] As a further solution of the present invention: The centers of the rotating disc and the locking pin are in a misaligned state, and a chute matching the locking pin is opened on the direct-connection slider.

[0011] As a further solution of the present invention: The alternating driving member includes a power source installed on the mounting seat. The output end of the power source is connected to a transmission shaft. A second transmission bevel gear is installed on the transmission shaft. A second rotating shaft located between the third rotating shaft and the connecting frame is installed on one side of the mounting seat. A first transmission bevel gear meshing with the second transmission bevel gear is installed at the bottom end of the second rotating shaft. A positioning wheel is installed on the second rotating shaft. A connecting plate is installed on one side of the positioning wheel. A shifting shaft is installed on one side of the connecting plate. A first sheave is installed at the bottom end of the third rotating shaft. A first rotating shaft located between the connecting frame and the second rotating shaft is installed on one side of the mounting seat. A second sheave is arranged outside the first rotating shaft. A large bevel gear is installed at one end of the first rotating shaft. A small bevel gear meshing with the large bevel gear is arranged on one side of the rotating disc.

[0012] As a further solution of the present invention: the circumference of the large bevel gear is four times that of the small bevel gear, and the center of the small bevel gear is coaxial with the center of the rotating disk.

[0013] As a further solution of the present invention: the first sprocket, the clamping wheel, and the second sprocket are at the same horizontal height.

[0014] The present invention also discloses a semi-loose tie automatic production device and its production process. Using the above-mentioned semi-loose tie automatic production device, it includes the following steps: S1: The movable mold and the fixed mold are closed by the movement of the movable mold, and then the injection of the tie is realized through the operation of the injection head. S2: After the injection is completed, the movable mold and the fixed mold are separated. At this time, the air chamber is moved towards the fixed mold by starting the alternating drive member. When the air chamber drives the connecting air pipe to move a certain distance, the connecting air pipe can push the tie to be partially separated from the fixed mold. S3: Then, the alternating drive member drives the movable positioning member to eject the gas inside the air chamber through the connecting air pipe, so as to separate the position where the tie and the fixed mold are not separated. S4: In this way, the tie can be completely separated from the fixed mold through the intermittent movement of the air chamber and the intermittent jet of the connecting air pipe.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting the movable positioning member and the alternating drive member, the threaded rod moves along the central axis of the connecting sleeve through the operation of the alternating drive member. When the air chamber moves, the tie is pushed by the top plate to move a certain distance, so that a gap appears between the tie and the injection groove on the fixed mold. When the rotating disk rotates, the air inside the air chamber is sprayed into the gap between the fixed mold and the tie through the air holes and the connecting air pipe, so as to prevent the tie from being damaged when it is separated from the fixed mold due to the small force-bearing area between the tie and the ejector pin. 2. By setting an alternating driving member, the driving power source is activated to slowly rotate the transmission shaft and the second transmission bevel gear. When the second transmission bevel gear rotates, it drives the second rotating shaft to rotate through the first transmission bevel gear. At this time, the clamping wheel and the connecting plate will rotate synchronously with the second rotating shaft. When the shifting shaft engages with the card slot on the outer side of the first sheave, the first sheave will rotate 45 degrees as the clamping wheel rotates. At this time, the second sheave is clamped by the clamping wheel. When the shifting shaft separates from the first sheave and contacts the second sheave, the second sheave will rotate with the clamping wheel. When the second sheave rotates, it drives the rotating disc to rotate through the large bevel gear and the small bevel gear, so as to realize the alternating rotation of the first sheave and the second sheave, and thus realize the alternating implementation of the movement of the connecting air pipe and the jetting of the connecting air pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the whole of the present invention; Figure 2 is a side view of the mounting seat of the present invention; Figure 3 is a schematic connection diagram of the air chamber and the second liquid storage cylinder of the present invention; Figure 4 is a schematic connection diagram of the fixed mold and the top plate of the present invention; Figure 5 is a schematic diagram of the outer wall structure of the air chamber of the present invention; Figure 6 is a schematic connection diagram of the first sheave and the second sheave of the present invention; Figure 7 is a schematic diagram of the internal structure of the connecting sleeve of the present invention; Figure 8 is a schematic connection diagram of the connecting frame and the rotating disc of the present invention; Figure 9 is a schematic connection diagram of the air chamber and the first liquid storage cylinder of the present invention; Figure 10 is a schematic structural diagram of an existing releasable cable tie; Figure 11 is a schematic semi-sectional structure diagram of an existing releasable cable tie; Figure 12 is Figure 10 a schematic structural diagram at A; Figure 13 is Figure 11 a schematic structural diagram at B.

[0017] In the figure: 1, mounting base; 2, guiding frame; 3, injection head; 4, movable mold; 5, positioning seat; 6, fixed mold; 7, air chamber; 8, connecting frame; 9, first rotating shaft; 10, connecting sleeve plate; 11, second rotating shaft; 12, first driving bevel gear; 13, first liquid storage cylinder; 14, transmission shaft; 15, second driving bevel gear; 16, power source; 17, mounting base; 18, connecting sleeve; 19, side plate; 20, first one-way valve; 21, second liquid storage cylinder; 22, first grooved pulley; 23, top plate; 24, third rotating shaft; 25, second one-way valve; 26, air hole; 27, air connecting pipe; 28, hose; 29, shifting shaft; 30, connecting plate; 31, clamping wheel; 32, second grooved pulley; 33, large bevel gear; 34, threaded rod; 35, rotating disc; 36, small bevel gear; 37, first piston rod; 38, directly connected slider; 39, return spring; 40, pin; 41, piston plate; 42, second piston rod; 110, belt body; 111, one-way helical tooth; 120, lock head; 130, elastic buckle; 131, pressing end; 132, connecting body; 133, locking end; 140, through groove; 150, restraint buckle. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] In the description of the present invention, 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 accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", and "setting" 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 communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0020] For the convenience of understanding the structure of the cable tie product, refer to Figures 10 - 13 for illustration. Taking the existing releasable cable tie as an example, it includes a belt body 110 and a buckle head 120 connected to one end of the belt body 110, which can be made of nylon; a number of one-way inclined teeth 111 are provided on one surface of the belt body 110 for cooperating with the buckle head 120 to lock; the center of the buckle head 120 is a hollow structure, and an elastic buckle 130 is provided inside. The elastic buckle 130 includes a pressing end 131, a connecting body 132 and a locking end 133 connected in sequence. The elastic buckle 130 is integrally connected to the buckle head 120 through the connecting body 132. A through groove 140 for the belt body 110 to pass through is formed between the locking end 133 and the hollow structure of the buckle head 120, and the belt body 110 can be clamped and fixed with the locking end 133; a structure similar to a seesaw is formed by connecting the pressing end 131, the connecting body 132 and the locking end 133, and it has elasticity. When the pressing end 131 is pressed, the locking end 133 is lifted to loosen the locking end 133 from the belt body 110, thus realizing the releasable structure.

[0021] In some design schemes, a restraint buckle 150 can be provided at one end of the belt body 110 close to the buckle head 120. It can be arranged on both sides of the belt body 110 in a shape similar to an L. When the belt body 110 passes through the buckle head 120 and then through the restraint buckle 150 for restraint, the end of the belt body 110 is prevented from warping outwards.

[0022] In some design schemes, partial through holes can also be provided on the belt body 110 to save materials and provide the bending deformation ability of the belt body 110.

[0023] This type of releasable cable tie can be freely pulled in both directions, and the bundling tightness can be flexibly and conveniently adjusted by retracting. The cable tie can also be completely untied without affecting repeated use, greatly reducing waste; however, compared with the most traditional non-releasable cable tie, its structure is slightly more complex, so the demolding requirements are also increased.

[0024] Next, according to the overall structure of the present invention, its embodiments will be described.

[0025] Please refer to Figures 1 - 9, in the embodiment of the present invention, an automatic production device for a releasable tie strap includes a mounting base 1, a guiding frame 2, an injection head 3, a movable mold 4, a positioning seat 5, and a fixed mold 6. The guiding frame 2 is installed at one end of the mounting base 1. The movable mold 4 is slidably connected to the guiding frame 2. The injection head 3 is installed on the side of the movable mold 4 away from the mounting base 1. The positioning seat 5 is installed on one side of the mounting base 1 and is located between the movable mold 4 and the mounting base 1. The fixed mold 6 is installed on the side of the positioning seat 5 close to the movable mold 4. A connecting frame 8 is installed on the side of the mounting base 1 away from the positioning seat 5. A rotating disk 35 is rotatably connected to the inner side of the connecting frame 8. A latch 40 is installed on one side of the rotating disk 35. A direct connection slider 38 is slidably sleeved on the outer side of the latch 40. An active top-positioning member is arranged on the outer side of the direct connection slider 38. The latch 40 is connected to an air chamber 7 located between the positioning seat 5 and the mounting base 1 through the active top-positioning member. An air connecting pipe 27 extending to the inner side of the fixed mold 6 is arranged inside the air chamber 7. A mounting base 17 is installed on one side of the mounting base 1 and is located on one side of the connecting frame 8. An alternating driving member for intermittently moving the air chamber 7 is installed on the mounting base 17.

[0026] In this embodiment: The closing of the movable mold 4 and the fixed mold 6 is achieved by the movement of the movable mold 4. Then, the injection molding production of the tie strap is realized through the operation of the injection head 3. After the injection molding is completed, the movable mold 4 and the fixed mold 6 are separated. At this time, by starting the alternating driving member, the movement of the air chamber 7 towards the fixed mold 6 is realized. When the air chamber 7 drives the air connecting pipe 27 to move a certain distance, the air connecting pipe 27 can be made to push the tie strap to be partially separated from the fixed mold 6. Then, the alternating driving member drives the active top-positioning member to make the gas inside the air chamber 7 spray out through the air connecting pipe 27, so as to separate the position where the tie strap and the fixed mold 6 are not separated. In this way, the tie strap and the fixed mold 6 can be completely separated through the intermittent movement of the air chamber 7 and the intermittent air injection of the air connecting pipe 27, so as to prevent the produced tie strap from being damaged.

[0027] Please refer specifically to Figure 1 , Figure 2 , Figure 5 , Figure 7 , the active top-positioning member includes side plates 19 installed on both sides of the air chamber 7. A threaded rod 34 is fixedly installed on the side plates 19. A connecting sleeve 18 is sleeved on the outer side of the threaded rod 34. A third rotating shaft 24 is installed at one end of the connecting sleeve 18 away from the side plates 19. A connecting sleeve plate 10 is fixedly installed on the mounting base 1 and is located on the outer side of the third rotating shaft 24. The top plate 23 is installed at one end of the air connecting pipe 27 away from the air chamber 7.

[0028] In this embodiment: Through the operation of the alternating driving member, the third rotating shaft 24 rotates intermittently. When the third rotating shaft 24 rotates, it drives the connecting sleeve 18 to rotate, thereby enabling the threaded rod 34 to move along the central axis of the connecting sleeve 18, and the air chamber 7 moves relative to the mounting base 1. In this way, the intermittent movement of the air chamber 7 can be realized. When the air chamber 7 moves, the top plate 23 can push the cable tie in the fixed mold 6, so that the cable tie is pushed by the top plate 23 to move a certain distance, thereby creating a gap between the cable tie and the injection molding groove on the fixed mold 6.

[0029] Please refer specifically to Figure 4 , Figure 8 , Figure 9 , the diameter of the top plate 23 is larger than the outer wall diameter of the connecting air pipe 27, and the diameter of the top plate 23 is equal to the diameter of the ejector pin hole on the fixed mold 6.

[0030] In this embodiment: By setting this structure, the friction between the connecting air pipe 27 and the fixed mold 6 is reduced, preventing the multiple movements of the connecting air pipe 27 from affecting the sealing performance of the movable mold 4 and the fixed mold 6 during mold closing.

[0031] Please refer specifically to Figure 1 , Figure 3 , Figure 5 , Figure 8 , Figure 9 , the movable ejecting member further includes first liquid storage cylinders 13 installed on both sides of the bottom of the connecting frame 8. A first piston rod 37 that extends to the outside of the first liquid storage cylinder 13 and is connected to the direct connection slider 38 is inserted inside the first liquid storage cylinder 13. A piston plate 41 is slidably connected inside the air chamber 7. A second piston rod 42 that penetrates to the outside of the air chamber 7 is provided on one side of the piston plate 41. A second liquid storage cylinder 21 connected to the outer wall of the air chamber 7 is provided on the outside of the second piston rod 42. A return spring 39 connected to the inner wall of the second liquid storage cylinder 21 is provided on the outside of the second piston rod 42. A hose 28 connected to the bottom of the first liquid storage cylinder 13 is connected to the bottom of the second liquid storage cylinder 21. First one-way valves 20 are installed on both sides of the top of the air chamber 7. A second one-way valve 25 located inside the air chamber 7 is installed at one end of the connecting air pipe 27. Air holes 26 are provided on both sides of the end of the connecting air pipe 27 close to the top plate 23.

[0032] In this embodiment, when the rotating disk 35 rotates, the straight connection slider 38 is driven by the pin 40 to make a reciprocating movement in the horizontal direction once. When the straight connection slider 38 drives the first piston rod 37 to move towards the first liquid storage cylinder 13, the aqueous solution inside the first liquid storage cylinder 13 will enter the second liquid storage cylinder 21 through the hose 28, so as to drive the second piston rod 42 to drive the piston plate 41 to move, thereby enabling the piston plate 41 to squeeze the air inside the air chamber 7, so that the air inside the air chamber 7 is sprayed into the gap between the fixed mold 6 and the cable tie through the air holes 26 and the connecting air pipe 27. Then, by cooperating with the alternating operation of the movement of the connecting air pipe 27 and the jet of the connecting air pipe 27, the complete separation of the cable tie and the fixed mold 6 is achieved, so as to prevent the cable tie from being damaged when it is separated from the fixed mold 6 due to the small force-bearing area between the cable tie and the ejector pin. When the piston plate 41 moves away from the connecting air pipe 27 as the rotating disk 35 rotates, the outside air will enter the inner side of the air chamber 7 through the first one-way valve 20.

[0033] Please refer specifically to Figure 9 , the exhaust end of the first one-way valve 20 is connected to the air chamber 7, the exhaust end of the second one-way valve 25 is connected to the connecting air pipe 27, and a through hole is provided on one side of the air chamber 7 away from the connecting air pipe 27.

[0034] In this embodiment, by setting this structure, the one-way flow of the air inside the air chamber 7 is realized.

[0035] Please refer specifically to Figure 9 , the center of the rotating disk 35 and the center of the pin 40 are in a misaligned state, and a chute that fits the pin 40 is provided on the straight connection slider 38.

[0036] In this embodiment, by setting this structure, the straight connection slider 38 makes a reciprocating movement once when the pin 40 rotates one circle along with the rotating disk 35.

[0037] Please refer specifically to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6, The alternating drive member includes a power source 16 installed on the mounting base 17. The output end of the power source 16 is connected to a transmission shaft 14. A second transmission bevel gear 15 is installed on the transmission shaft 14. On one side of the mounting base 1, a second rotating shaft 11 is installed between the third rotating shaft 24 and the connecting frame 8. At the bottom end of the second rotating shaft 11, a first transmission bevel gear 12 meshing with the second transmission bevel gear 15 is installed. A detent wheel 31 is installed on the second rotating shaft 11. On one side of the detent wheel 31, a connecting plate 30 is installed. On one side of the connecting plate 30, a shifting shaft 29 is installed. At the bottom end of the third rotating shaft 24, a first sheave 22 is installed. On one side of the mounting base 1, a first rotating shaft 9 is installed between the connecting frame 8 and the second rotating shaft 11. A second sheave 32 is arranged outside the first rotating shaft 9. At one end of the first rotating shaft 9, a large bevel gear 33 is installed. On one side of the rotating disc 35, a small bevel gear 36 meshing with the large bevel gear 33 is arranged.

[0038] In this embodiment: By starting the power source 16, the transmission shaft 14 and the second transmission bevel gear 15 rotate slowly. When the second transmission bevel gear 15 rotates, it drives the second rotating shaft 11 to rotate through the first transmission bevel gear 12. At this time, the detent wheel 31 and the connecting plate 30 will rotate synchronously with the second rotating shaft 11. When the shifting shaft 29 meshes with the card slot outside the first sheave 22, the first sheave 22 will rotate 45 degrees as the detent wheel 31 rotates. At this time, the second sheave 32 is clamped by the detent wheel 31. When the shifting shaft 29 separates from the first sheave 22 and contacts the second sheave 32, the second sheave 32 will rotate with the detent wheel 31. When the second sheave 32 rotates, it drives the rotating disc 35 to rotate through the large bevel gear 33 and the small bevel gear 36, so as to realize the alternating rotation of the first sheave 22 and the second sheave 32, and thus realize the alternating implementation of the movement of the connecting air pipe 27 and the jetting of the connecting air pipe 27.

[0039] Please refer specifically to Figure 6 , Figure 8 , The circumference of the large bevel gear 33 is four times that of the small bevel gear 36, and the centers of the small bevel gear 36 and the rotating disc 35 are coaxial.

[0040] In this embodiment: By setting this structure, when the large bevel gear 33 rotates 90 degrees as the second sheave 32 rotates, the large bevel gear 33 drives the rotating disc 35 to rotate 360 degrees through the small bevel gear 36, so as to make the direct connection slider 38 perform a reciprocating movement once.

[0041] Please refer specifically to Figure 6 , The first sheave 22, the detent wheel 31, and the second sheave 32 are at the same horizontal height.

[0042] In this embodiment, by setting this structure, when the clamping wheel 31 rotates, it alternately limits the second sheave 32 and the first sheave 22.

[0043] Combined with the above-mentioned automatic production equipment for releasable cable ties, an automatic production process for releasable cable ties is provided, which specifically includes the following steps: S1: The movable mold 4 is moved to achieve the closing of the movable mold 4 and the fixed mold 6, and then the injection head 3 is operated to achieve the injection molding production of the cable tie. S2: After the injection molding is completed, the movable mold 4 and the fixed mold 6 are separated. The power source 16 is started to slowly rotate the transmission shaft 14 and the second transmission bevel gear 15. When the second transmission bevel gear 15 rotates, it will drive the second rotating shaft 11 to rotate through the first transmission bevel gear 12. At this time, the clamping wheel 31 and the connecting plate 30 will rotate synchronously with the second rotating shaft 11. When the shifting shaft 29 meshes with the card slot on the outer side of the first sheave 22, the first sheave 22 will rotate 45 degrees with the rotation of the clamping wheel 31. When the third rotating shaft 24 rotates, it drives the connecting sleeve 18 to rotate, so as to make the threaded rod 34 move along the central axis of the connecting sleeve 18, and the air chamber 7 moves relative to the mounting seat 1. In this way, the intermittent movement of the air chamber 7 can be realized. When the air chamber 7 moves, the cable tie in the fixed mold 6 can be pushed by the top plate 23, so that the cable tie is pushed by the top plate 23 to move a certain distance, so that a gap appears between the cable tie and the injection molding groove on the fixed mold 6. S3: When the shifting shaft 29 is separated from the first sheave 22 and contacts the second sheave 32, the second sheave 32 will rotate with the clamping wheel 31. When the second sheave 32 rotates, it will drive the rotating disk 35 to rotate through the large bevel gear 33 and the small bevel gear 36. When the rotating disk 35 rotates, it drives the direct connection slider 38 to perform a reciprocating movement in the horizontal direction through the pin 40. When the direct connection slider 38 drives the first piston rod 37 to move towards the first liquid storage cylinder 13, the aqueous solution inside the first liquid storage cylinder 13 will enter the second liquid storage cylinder 21 through the hose 28, so as to drive the second piston rod 42 to drive the piston plate 41 to move, so that the piston plate 41 squeezes the air inside the air chamber 7, so that the air inside the air chamber 7 is sprayed into the gap between the fixed mold 6 and the cable tie through the air holes 26 and the connecting air pipe 27. Then, combined with the alternating operation of the movement of the connecting air pipe 27 and the jetting of the connecting air pipe 27, the complete separation of the cable tie and the fixed mold 6 can be realized, so as to prevent the cable tie from being damaged when it is separated from the fixed mold 6 due to the small force-bearing area between the cable tie and the ejector pin. When the piston plate 41 moves away from the connecting air pipe 27 with the rotation of the rotating disk 35, the outside air will enter the inner side of the air chamber 7 through the first one-way valve 20. S4: In this way, the cable tie can be completely separated from the fixed mold 6 through the intermittent movement of the air chamber 7 and the intermittent jet of the connecting air pipe 27.

[0044] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. An automatic production device for a releasable cable tie, characterized in that, It includes a mounting base (1), a guiding frame (2), an injection head (3), a movable mold (4), a positioning seat (5) and a fixed mold (6); A connecting frame (8) is installed on the side of the mounting base (1) away from the positioning seat (5); A rotating disc (35) is rotatably connected to the inner side of the connecting frame (8); A retaining pin (40) is installed on one side of the rotating disc (35); A movable ejecting member is arranged outside the retaining pin (40) and is used for ejecting the cable ties in the fixed mold (6); An air chamber (7) is connected between the positioning seat (5) and the mounting base (1) through the movable ejecting member; An alternating driving member, which is composed of a first transmission assembly and a second transmission assembly, is installed on the mounting base (1), and intermittent movement of the air chamber (7) is realized through the cooperation of the first transmission assembly and the second transmission assembly.

2. The automatic production equipment for a releasable cable tie according to claim 1, characterized in that, The movable ejecting member includes: Side plates (19) are installed on both sides of the air chamber (7); A connecting air pipe (27) is arranged inside the air chamber (7) and extends to the inner side of the fixed mold (6); A threaded rod (34) is fixedly installed on the side plates (19); A connecting sleeve (18) is sleeved outside the threaded rod (34); A third rotating shaft (24) is installed at the end of the connecting sleeve (18) away from the side plates (19); A connecting sleeve plate (10) is fixedly installed on the mounting base (1) and is located outside the third rotating shaft (24); A top plate (23) is installed at the end of the connecting air pipe (27) away from the air chamber (7); A direct connection slider (38) is slidably sleeved outside the retaining pin (40).

3. The automatic production equipment for a releasable cable tie according to claim 2, characterized in that, The diameter of the top plate (23) is larger than the outer wall diameter of the connecting air pipe (27), and the diameter of the top plate (23) is equal to the diameter of the ejector pin hole on the fixed mold (6).

4. The automatic production equipment for a releasable cable tie according to claim 1, characterized in that, The movable ejecting member further includes: First liquid storage cylinders (13) are installed on both sides of the bottom of the connecting frame (8); First piston rods (37) are inserted into the interiors of the first liquid storage cylinders (13), and the first piston rods (37) are connected to the direct connection sliders (38); A piston plate (41) is slidably connected inside the air chamber (7); Second piston rods (42) are arranged on one side of the piston plate (41); Second liquid storage cylinders (21) are arranged outside the second piston rods (42) and are connected to the outer wall of the air chamber (7); A return spring (39) is arranged outside the second piston rods (42) and is connected to the inner wall of the second liquid storage cylinders (21); A hose (28) is connected to the bottom of the second liquid storage cylinders (21) and is connected to the bottom of the first liquid storage cylinders (13); First one-way valves (20) are installed on both sides of the top of the air chamber (7); Second one-way valves (25) are installed at one end of the connecting air pipe (27) and are located inside the air chamber (7); Air holes (26) are arranged on both sides of the end of the connecting air pipe (27) close to the top plate (23).

5. An automatic production device for a releasable cable tie according to claim 4, characterized in that, The exhaust ends of the first one-way valves (20) are connected to the air chamber (7), the exhaust ends of the second one-way valves (25) are connected to the connecting air pipe (27), and through holes are formed on the side of the air chamber (7) away from the connecting air pipe (27).

6. The automatic production equipment for a releasable cable tie according to claim 4, wherein, The centers of the rotation disk (35) and the locking pin (40) are in a misaligned state, and a sliding groove that fits the locking pin (40) is provided on the direct connection slider (38).

7. An automatic production device for a releasable cable tie according to claim 4, characterized in that, The first transmission assembly includes: A mounting seat (17), mounted on the mounting seat (1); A power source (16), mounted on the mounting seat (17); A transmission shaft (14), connected to the output end of the power source (16); A second transmission bevel gear (15), mounted on the transmission shaft (14).

8. An automatic production device for a releasable cable tie according to claim 7, characterized in that, The second transmission assembly includes: A second rotating shaft (11), mounted on one side of the mounting seat (1), and the second rotating shaft (11) is located between the third rotating shaft (24) and the connecting frame (8); A first transmission bevel gear (12), mounted at the bottom end of the second rotating shaft (11); A positioning wheel (31), mounted on the second rotating shaft (11); A connecting plate (30), mounted on one side of the positioning wheel (31); A shifting shaft (29), mounted on one side of the connecting plate (30); A first sprocket (22), mounted at the bottom end of the third rotating shaft (24); A first rotating shaft (9), mounted on one side of the mounting seat (1), and the first rotating shaft (9) is located between the connecting frame (8) and the second rotating shaft (11); A second sprocket (32), arranged outside the first rotating shaft (9); A large bevel gear (33), mounted at one end of the first rotating shaft (9); A small bevel gear (36) meshing with the large bevel gear (33), the circumference of the large bevel gear (33) is four times the circumference of the small bevel gear (36), and the center of the small bevel gear (36) is coaxial with the center of the rotation disk (35).

9. An automatic production device for a releasable cable tie according to claim 8, characterized in that, The first sprocket (22), the positioning wheel (31), and the second sprocket (32) are at the same horizontal height.

10. An automated production process for a releasable cable tie, characterized in that, Using an automatic production device for releasable cable ties according to any one of claims 1-9, comprising the following steps: S1: The movable mold (4) is moved to achieve the closing of the movable mold (4) and the fixed mold (6), and then the injection head (3) is operated to achieve the injection production of the cable tie; S2: After the injection is completed, the movable mold (4) and the fixed mold (6) are separated. At this time, the air chamber (7) is moved towards the fixed mold (6) by starting the alternating drive member. When the air chamber (7) drives the connecting air pipe (27) to move a certain distance, the connecting air pipe (27) can be used to push the cable tie to be partially separated from the fixed mold (6); S3: Then the alternating drive member drives the movable positioning member to eject the gas inside the air chamber (7) through the connecting air pipe (27), so as to separate the position where the cable tie and the fixed mold (6) are not separated; S4: In this way, the cable tie can be completely separated from the fixed mold (6) through the intermittent movement of the air chamber (7) and the intermittent jet of the connecting air pipe (27).

Images