A hollow blow molding machine mold opening and closing limiting device

Abstract

This utility model relates to the technical field of plastic blow molding, and in particular to a mold opening and closing limiting device for a hollow blow molding machine. It uses a moving device to move the mold, a limiting device and a rotating device to facilitate blow molding, a lifting device to raise and lower the rotating device, and an ejector device to push the mold out. The device includes an operating table, a moving device, a limiting device, a lifting device, a rotating device, and an ejector device. The moving device and the lifting device are both mounted on the operating table. The limiting device is mounted on the moving device, the rotating device is mounted on the lifting device, and the ejector device is mounted on the rotating device. The moving device moves, the limiting device limits movement, the lifting device raises and lowers, the rotating device rotates, and the ejector device pushes the mold out.

Description

Technical Field

[0001] This utility model relates to the technical field of plastic blow molding, and in particular to a mold opening and closing limiting device for a hollow blow molding machine. Background Technology

[0002] In the production of plastic products, blow molding is the most important molding method. The plastic raw material to be blow molded is placed in the blow mold, and the upper and lower molds are closed to blow mold it into shape. After it cools and solidifies, the upper and lower molds are opened to remove the molded part.

[0003] For example, in a class of prior art represented by application number CN202023054392.X, the main structure includes a fixed plate, a lower mold, an upper mold, a support frame, a first cylinder, a lifting rod, a rotating shaft, two sets of fixed seats, a second cylinder, a push rod, two sets of pull ropes, and two sets of limiting rods. The two sets of fixed seats are respectively provided with two sets of fixing holes. The two ends of the rotating shaft pass through the two sets of fixing holes respectively, and the rotating shaft is rotatably connected to the inner walls of the two sets of fixing holes. The second cylinder is fixedly mounted on the fixed plate by a mounting bracket. The two ends of the push rod are respectively connected to the output end of the second cylinder and the lower mold. The fixed seat is provided with two sets of positioning blocks. The two sets of limiting rods are respectively mounted on the support frame and the two sets of positioning blocks. The two ends of the two sets of pull ropes are respectively connected to the upper mold and the lower mold, and the two sets of pull ropes pass around the two sets of limiting rods respectively.

[0004] During use, it was found that the existing mold opening and closing limiting device for blow molding machines is inconvenient for removing the mold, resulting in wasted time. Therefore, there is an urgent need for a hollow blow molding machine mold opening and closing limiting device. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a hollow blow molding machine mold opening and closing limiting device that moves the mold through a moving device, facilitates blow molding through the cooperation of a limiting device and a rotating device, raises and lowers the rotating device through a lifting device, and pushes the mold out through an ejector device.

[0006] This utility model discloses a mold opening and closing limiting device for a hollow blow molding machine, including an operating table; it also includes a moving device, a limiting device, a lifting device, a rotating device, and an ejector device. The moving device and the lifting device are both installed on the operating table, the limiting device is installed on the moving device, the rotating device is installed on the lifting device, and the ejector device is installed on the rotating device. The moving device moves, the limiting device limits, the lifting device lifts and lowers, the rotating device rotates, and the ejector device ejects. The moving device moves the mold, the limiting device and the rotating device work together to facilitate blow molding, the lifting device lifts and lowers the rotating device, and the ejector device ejects the mold.

[0007] Preferably, the operating table includes a base, which is installed in the work area and has a sliding groove; the base provides support.

[0008] Preferably, the moving device includes a motor, a lead screw, and a lower mold. The motor is mounted on the side of the base, and the output end of the motor is rotatably connected to the input end of the lead screw. The lower mold is mounted on the lead screw via a threaded connection and has a positioning hole. By starting the motor, the lead screw is driven to rotate, thereby moving the lower mold and facilitating its removal.

[0009] Preferably, the limiting device includes a pull rod, a locking block, and a spring. The pull rod passes through the lower mold, the locking block is installed on the side end of the pull rod, and the spring is fitted onto the pull rod. Pulling the pull rod moves the locking block, and the spring provides a rebound effect.

[0010] Preferably, the lifting device includes a bracket, an electric telescopic rod, a lifting platform, a guide shaft, and a guide sleeve. The bracket is installed at the top of the base, the electric telescopic rod is installed at the top of the bracket, and a telescopic shaft is provided on the output end of the electric telescopic rod. The lifting platform is installed at the bottom end of the telescopic shaft, the guide shaft is installed at the top of the lifting platform, and the guide sleeve is installed on the bracket and fitted onto the guide shaft. By activating the electric telescopic rod, the telescopic shaft is extended, and the lifting platform is directionally lowered on the guide sleeve via the guide shaft.

[0011] Preferably, the rotating device includes a second motor, a rotating shaft, a rotating block, an upper mold, and a positioning shaft. The second motor is installed on the side of the lifting platform, and the output end of the second motor is rotatably connected to the input end of the rotating shaft. The rotating block is installed on the rotating shaft, the upper mold is installed at the bottom end of the rotating block, and the positioning shaft is installed at the bottom end of the upper mold. By starting the second motor, the rotating shaft is driven to rotate, thereby rotating the rotating block and the upper mold. The positioning shaft is aligned with the positioning hole to facilitate the cooperation of the upper mold and the lower mold.

[0012] Preferably, the ejector device includes cylinder one, cylinder two, and a push plate. Cylinder one and cylinder two are both installed at the top of the upper mold. Cylinder one is provided with cylinder shaft one at its output end, and cylinder two is provided with cylinder shaft two at its output end. The push plate is installed at the bottom of cylinder shaft one and cylinder shaft two. By starting cylinder one and cylinder two, cylinder shaft one and cylinder shaft two are extended, which drives the push plate to descend, thereby pushing the mold and facilitating pushing the mold to the top of the lower mold.

[0013] Compared with the prior art, the advantages of this utility model are as follows: the mold is moved by the moving device, the blow molding is facilitated by the combination of the limiting device and the rotating device, the rotating device is raised and lowered by the lifting device, and the mold is pushed out by the ejector device. Attached Figure Description

[0014] Figure 1This is the structural isometric drawing of this utility model;

[0015] Figure 2 yes Figure 1 Structural isometric drawing of the operating console and moving device in this utility model;

[0016] Figure 3 yes Figure 1 Enlarged isometric view of the lifting device and rotating device structure in this utility model;

[0017] Figure 4 yes Figure 1 Enlarged sectional view of the rotating device and the top material device in this utility model.

[0018] The attached diagram is labeled as follows: 01, operating table; 11, base; 12, slide rail; 02, moving device; 21, motor one; 22, lead screw; 23, lower mold; 24, positioning hole; 03, limiting device; 31, pull rod; 32, locking block; 33, spring; 04, lifting device; 41, bracket; 42, electric telescopic rod; 43, telescopic shaft; 44, lifting platform; 45, guide shaft; 46, guide sleeve; 05, rotating device; 51, motor two; 52, rotating shaft; 53, rotating block; 54, upper mold; 55, positioning shaft; 06, ejector device; 61, cylinder one; 62, cylinder shaft one; 63, cylinder two; 64, cylinder shaft two; 65, push plate. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0020] A hollow blow molding machine mold opening and closing limiting device includes an operating table 01; characterized in that it further includes a moving device 02, a limiting device 03, a lifting device 04, a rotating device 05, and a ejector device 06, wherein the moving device 02 and the lifting device 04 are both installed on the operating table 01, the limiting device 03 is installed on the moving device 02, the rotating device 05 is installed on the lifting device 04, and the ejector device 06 is installed on the rotating device 05;

[0021] The moving device 02 moves, the limiting device 03 limits, the lifting device 04 lifts, the rotating device 05 rotates, and the ejecting device 06 pushes out.

[0022] The operating table 01 includes a base 11, which is installed in the work area and has a sliding groove 12.

[0023] The moving device 02 includes a motor 21, a lead screw 22, and a lower mold 23. The motor 21 is mounted on the side of the base 11. The output end of the motor 21 is rotatably connected to the input end of the lead screw 22. The lower mold 23 is mounted on the lead screw 22 by a threaded connection. The lower mold 23 is provided with a positioning hole 24.

[0024] The limiting device 03 includes a pull rod 31, a locking block 32 and a spring 33. The pull rod 31 passes through the lower mold 23, the locking block 32 is installed on the side end of the pull rod 31, and the spring 33 is fitted on the pull rod 31.

[0025] The lifting device 04 includes a bracket 41, an electric telescopic rod 42, a lifting platform 44, a guide shaft 45, and a guide sleeve 46. The bracket 41 is installed on the top of the base 11, the electric telescopic rod 42 is installed on the top of the bracket 41, the output end of the electric telescopic rod 42 is provided with a telescopic shaft 43, the lifting platform 44 is installed on the bottom end of the telescopic shaft 43, the guide shaft 45 is installed on the top of the lifting platform 44, and the guide sleeve 46 is installed on the bracket 41 and fitted onto the guide shaft 45.

[0026] The rotating device 05 includes a second motor 51, a rotating shaft 52, a rotating block 53, an upper mold 54, and a positioning shaft 55. The second motor 51 is installed on the side of the lifting platform 44, and the output end of the second motor 51 is rotatably connected to the input end of the rotating shaft 52. The rotating block 53 is installed on the rotating shaft 52, the upper mold 54 is installed on the bottom end of the rotating block 53, and the positioning shaft 55 is installed on the bottom end of the upper mold 54.

[0027] The moving device 02 moves, the limiting device 03 limits the movement, the lifting device 04 lifts and lowers, and the rotating device 05 rotates.

[0028] The base 11 is installed on the blow molding machine. Then, by starting the electric telescopic rod 42, the telescopic shaft 43 is extended, and the lifting platform 44 is directionally lowered on the guide sleeve 46 via the guide shaft 45. The positioning shaft 55 is aligned with the positioning hole 24 to facilitate the cooperation of the upper mold 54 and the lower mold 23. The upper mold 54 is locked by the locking block 32, and then the blow molding operation of the plastic product is carried out. After the blow molding is completed, the pull rod 31 is pulled, which moves the locking block 32. By starting the electric telescopic rod 42, the telescopic shaft 43 is retracted, and the lifting platform 44 is directionally raised on the guide sleeve 46 via the guide shaft 45. Then, by starting the second motor 51, the rotating shaft 52 is rotated, which in turn rotates the rotating block 53 and the upper mold 54. By starting the first motor 21, the lead screw 22 is rotated, which moves the lower mold 23 to facilitate the removal of the mold. Example

[0029] like Figures 1 to 4 As shown, in addition to Embodiment 1, a top-feeding device 06 is also included;

[0030] The ejector device 06 includes a first cylinder 61, a second cylinder 63, and a pusher plate 65. The first cylinder 61 and the second cylinder 63 are both installed at the top of the upper mold 54. The output end of the first cylinder 61 is provided with a first cylinder shaft 62, and the output end of the second cylinder 63 is provided with a second cylinder shaft 64. The pusher plate 65 is installed at the bottom end of the first cylinder shaft 62 and the second cylinder shaft 64.

[0031] The top material device 06 is used to push out the material;

[0032] By starting cylinder 61 and cylinder 63, cylinder shaft 62 and cylinder shaft 64 are extended, which in turn causes push plate 65 to descend, thereby pushing the mold and making it easier to push the mold to the top of the lower mold 23.

[0033] This utility model discloses a mold opening and closing limiting device for a hollow blow molding machine. During operation, the base 11 is first installed on the blow molding machine. Then, by activating the electric telescopic rod 42, the telescopic shaft 43 extends, causing the lifting platform 44 to descend via the guide shaft 45 on the guide sleeve 46. The positioning shaft 55 aligns with the positioning hole 24, facilitating the cooperation between the upper mold 54 and the lower mold 23. The upper mold 54 is locked by the locking block 32. Then, the blow molding of the plastic product is performed. After blow molding is completed, pulling the pull rod 31 moves the locking block 32. Activating the electric telescopic rod 42 further extends the lifting platform 44. The telescopic shaft 43 retracts, allowing the lifting platform 44 to rise directionally on the guide sleeve 46 via the guide shaft 45. Then, the second motor 51 is started, driving the rotating shaft 52 to rotate, which in turn rotates the rotating block 53 and the upper mold 54. Then, the first cylinder 61 and the second cylinder 63 are started, driving the first cylinder shaft 62 and the second cylinder shaft 64 to extend, driving the push plate 65 to descend, thereby pushing the mold to the top of the lower mold 23. Then, the first motor 21 is started, driving the lead screw 22 to rotate, moving the lower mold 23 to facilitate the removal of the mold.

[0034] The motor 21, electric telescopic rod 42, motor 51, cylinder 61 and cylinder 63 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0035] The main function of this utility model is to push the mold when it is difficult to remove.

[0036] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A hollow blow molding machine mold opening and closing limiting device, comprising an operating table (01); characterized in that, It also includes a moving device (02), a limiting device (03), a lifting device (04), a rotating device (05), and a top-loading device (06). The moving device (02) and the lifting device (04) are both installed on the operating table (01), the limiting device (03) is installed on the moving device (02), the rotating device (05) is installed on the lifting device (04), and the top-loading device (06) is installed on the rotating device (05). The moving device (02) moves, the limiting device (03) limits, the lifting device (04) lifts, the rotating device (05) rotates, and the top material device (06) pushes out.

2. A mold opening and closing limiting device for a hollow blow molding machine according to claim 1, wherein The operating table (01) includes a base (11), which is installed in the working area and has a sliding groove (12).

3. The hollow blow molding machine mold opening and closing limiting device as described in claim 2, characterized in that, The moving device (02) includes a motor (21), a lead screw (22) and a lower mold (23). The motor (21) is installed on the side of the base (11). The output end of the motor (21) is rotatably connected to the input end of the lead screw (22). The lower mold (23) is installed on the lead screw (22) by a threaded connection. The lower mold (23) is provided with a positioning hole (24).

4. The hollow blow molding machine mold opening and closing limiting device as described in claim 3, characterized in that, The limiting device (03) includes a pull rod (31), a locking block (32) and a spring (33). The pull rod (31) passes through the lower mold (23), the locking block (32) is installed on the side end of the pull rod (31), and the spring (33) is fitted on the pull rod (31).

5. The hollow blow molding machine mold opening and closing limiting device as described in claim 2, characterized in that, The lifting device (04) includes a bracket (41), an electric telescopic rod (42), a lifting platform (44), a guide shaft (45), and a guide sleeve (46). The bracket (41) is installed at the top of the base (11), the electric telescopic rod (42) is installed at the top of the bracket (41), the output end of the electric telescopic rod (42) is provided with a telescopic shaft (43), the lifting platform (44) is installed at the bottom end of the telescopic shaft (43), the guide shaft (45) is installed at the top of the lifting platform (44), and the guide sleeve (46) is installed on the bracket (41) and fitted onto the guide shaft (45).

6. The hollow blow molding machine mold opening and closing limiting device as described in claim 5, characterized in that, The rotating device (05) includes a second motor (51), a rotating shaft (52), a rotating block (53), an upper mold (54), and a positioning shaft (55). The second motor (51) is installed on the side of the lifting platform (44). The output end of the second motor (51) is rotatably connected to the input end of the rotating shaft (52). The rotating block (53) is installed on the rotating shaft (52). The upper mold (54) is installed at the bottom end of the rotating block (53). The positioning shaft (55) is installed at the bottom end of the upper mold (54).

7. The hollow blow molding machine mold opening and closing limiting device as described in claim 6, characterized in that, The ejector device (06) includes cylinder one (61), cylinder two (63) and push plate (65). Cylinder one (61) and cylinder two (63) are both installed at the top of the upper mold (54). Cylinder shaft one (62) is provided on the output end of cylinder one (61), and cylinder shaft two (64) is provided on the output end of cylinder two (63). Push plate (65) is installed at the bottom end of cylinder shaft one (62) and cylinder shaft two (64).

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