Blow molding mold for plastic products

Abstract

The utility model belongs to the technical field of plastic product production, and particularly relates to a blow molding mold for plastic products, which comprises a fixing frame, a pair of electric push rods are fixedly connected to the side wall of the fixing frame, the electric push rods are symmetrically arranged on the outer side wall of the fixing frame, and a buffer assembly is arranged at the transmission end of each electric push rod. The fixing frame is provided with a detachable mold assembly through a buffer assembly, a cleaning assembly is arranged on the side wall of the fixing frame, the fixing frame is provided with an impurity removal assembly through the cleaning assembly, and the detachable mold assembly comprises a mold frame, a mold body, an insertion plate, a rotating plate and a fastening screw; according to the step, through the arrangement of a fixing frame, an electric push rod, a buffer assembly, a detachable mold assembly, a sweeping assembly and an impurity removal assembly, a blow molding mold structure facilitating mold replacement is formed, the function of rapidly replacing the mold is achieved, the problem that the operation steps are tedious when different molds are replaced is solved, and the mold replacement convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic product production technical field, specifically speaking, it is a kind of blow molding mould for plastic product. BACKGROUND

[0002] Blow molding is a process for manufacturing hollow plastic products, applied to the production of bottles and oil tanks and other containers.

[0003] The working principle of blow molding is to place the molten plastic embryo in the mold, then blow compressed air into the embryo, make it expand and fit the inner wall of the mold, finally form a container after cooling, the main components of blow molding include cavity, embryo mouth, blowing needle, cooling system, exhaust system and guiding system.

[0004] In the existing plastic product blow molding technology, the mold is usually fixed on the fixed plate by bolts, and when different size molds need to be replaced, the replacement operation steps are more cumbersome.

[0005] Therefore, the utility model provides a blow molding mould for plastic product. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, solve at least one technical problem proposed in the background art.

[0007] The utility model solves the technical scheme that the utility model discloses a kind of blow molding mould for plastic product, including fixed frame, the fixed frame side wall is fixedly connected with electric push rod, the electric push rod is provided with a pair on fixed frame outer side wall, and symmetrically arranged, the electric push rod transmission end is equipped with buffer assembly, the fixed frame is equipped with detachable mould assembly by buffer assembly, the fixed frame side wall is equipped with cleaning assembly, the fixed frame is equipped with impurity removal assembly by cleaning assembly, this step is equipped by the setting of fixed frame, electric push rod, buffer assembly, detachable mould assembly, cleaning assembly and impurity removal assembly, and the blow molding mould structure of mould convenient to replace is formed, the function of mould is replaced quickly is realized, the problem that operation step is complicated when replacing different moulds is solved, and the convenience of mould replacement is improved.

[0008] Preferably, the detachable mold assembly comprises a mold frame, a mold body, an insertion plate, a rotating plate and a fastening screw, the mold frame is installed at the driving end of the electric push rod through a buffer assembly, the mold body is slidingly fitted in the middle part of the mold frame, the insertion plate is clamped on the side wall of the mold frame close to the mold body, the rotating plate is rotationally connected to the top of the mold frame, the rotating plate is provided in pairs on the top of the mold frame and is symmetrically arranged, the fastening screw is threadedly connected to the middle part of the rotating plate close to the mold body, the fastening screw is threadedly matched with the insertion plate, and the bottom end of the fastening screw is provided with an anti-skid assembly. Through the arrangement of the mold frame, the mold body, the insertion plate, the rotating plate and the fastening screw, a mold structure convenient to disassemble is formed, the function of quickly replacing the mold body is realized, the problem that the steps are complicated when the mold body is replaced is solved, the stability of the mold body when being fixed in the middle part of the mold frame is improved, the adaptability of the mold bodies of different sizes when being fixed in the middle part of the mold frame is improved, and the convenience when the mold body is replaced is improved.

[0009] Preferably, the buffer assembly comprises a push plate, a guide rod and a spring, the push plate is fixedly connected to the driving end of the electric push rod, the guide rod is slidingly connected to the middle part of the push plate, the guide rod is provided in multiple groups in the middle part of the push plate and is uniformly distributed at four corners of the middle part of the push plate, the end part of the guide rod is fixedly connected to the side wall of the mold frame away from the mold body, and the spring is sleeved on the outer side wall of the guide rod close to the mold body. The side wall of the push plate away from the electric push rod is provided with an anti-collision assembly. Through the arrangement of the push plate, the guide rod and the spring, a mold buffer structure is formed, the function of buffering between the electric push rod and the mold body after the mold assembly is completed is realized, the situation that the electric push rod continues to advance to cause damage to parts after the mold body is assembled due to the direct contact between the electric push rod and the mold body is solved, and the safety during use of the device is improved.

[0010] Preferably, the cleaning assembly comprises a clamping groove, a clamping block, a servo motor, a rotating rod, a first fixed plate and a cleaning brush, the clamping groove is fixedly connected to the side wall of the fixed frame away from the electric push rod, the clamping groove is provided in pairs on the side wall of the fixed frame and is symmetrically arranged, the clamping block is detachably installed in the middle part of the clamping groove, the servo motor is fixedly connected to the side wall of one group of clamping blocks, the rotating rod is fixedly connected to the driving end of the servo motor, the rotating rod is rotationally connected to the middle part of one pair of clamping blocks, the first fixed plate is fixedly connected to the middle part of the rotating rod, and the cleaning brush is fixedly connected to the side wall of the first fixed plate. The cleaning brush is provided in multiple groups on the side wall of the first fixed plate and is uniformly distributed on the side wall of the first fixed plate. Through the arrangement of the clamping groove, the clamping block, the servo motor, the rotating rod, the first fixed plate and the cleaning brush, a mold body side wall cleaning structure is formed, the function of cleaning the side wall of the mold body is realized, the situation that the surface of the mold body is dirty due to the adhesion of debris or foreign matters on the side wall of the mold body is solved, the cleanliness of the side wall of the mold body is improved, and the problem that the production quality of plastic products is reduced due to the adhesion of debris or foreign matters on the side wall of the mold body is reduced.

[0011] Preferably, the impurity removing assembly comprises a second fixed plate and a nozzle, the second fixed plate is fixedly connected to the outer side wall of the rotating rod away from the first fixed plate, the nozzle is fixedly connected to the middle part of the second fixed plate, a plurality of groups of the nozzle are arranged in the middle part of the second fixed plate and are symmetrically arranged, the second fixed plate is provided with an air inlet nozzle near the side wall of the rotating rod, the second fixed plate is internally provided with an air channel, and the nozzle is communicated with the air inlet nozzle through the air channel in the second fixed plate, the second fixed plate and the nozzle are arranged to form a mold body surface impurity removing and cooling structure, the mold body surface is cleaned, the problem of adhesion of debris or foreign matter to the side wall of the mold body is solved, the temperature of the mold body is reduced, the adhesion of debris or foreign matter to the side wall of the mold body is reduced, and the problem of decline of the production quality of plastic products caused by the adhesion is solved.

[0012] Preferably, the anti-collision assembly comprises a rubber block, the rubber block is fixedly connected to the side wall of the push plate close to the mold frame, and the rubber block is in a cross shape, the rubber block is arranged to form an anti-collision structure between the mold frame and the push plate, and the buffer function is realized when the mold frame and the push plate approach each other, so that the abnormal wear caused by the collision between the mold frame and the push plate is reduced.

[0013] Preferably, the anti-skid assembly comprises a pad, the pad is fixedly connected to the bottom end of the fastening screw, and when the fastening screw is screwed to approach the mold body, the pad is in contact with the mold body, the friction between the fastening screw and the mold body is increased, the loosening of the fastening screw is reduced, and the wear between the fastening screw and the mold body is reduced.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The blow molding mold for plastic products, through the arrangement of the fixing frame, the electric push rod, the buffer assembly, the detachable mold assembly, the cleaning assembly and the impurity removing assembly, a blow molding mold structure convenient for replacing the mold is formed, the function of quickly replacing the mold is realized, the problem of complicated operation steps when replacing different molds is solved, and the convenience of replacing the mold is improved.

[0016] 2. The blow molding mold for plastic products, through the arrangement of the mold frame, the mold body, the insertion plate, the rotating plate and the fastening screw, a mold structure convenient for disassembling is formed, the function of quickly replacing the mold body is realized, the problem of complicated steps when replacing the mold body is solved, the stability of the mold body when being fixed in the middle part of the mold frame is improved, the adaptability of the mold bodies of different sizes when being fixed in the middle part of the mold frame is improved, and the convenience of replacing the mold body is improved. DRAWINGS

[0017] The utility model will be further described in connection with the drawings.

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a structure schematic view of the utility model in which the mold body cooperates with the electric push rod;

[0020] Figure 3 is a structure schematic view of the utility model in which the rotating plate cooperates with the mold frame;

[0021] Figure 4 is a structure schematic view of the utility model in which the nozzle cooperates with the fixing frame.

[0022] In the drawing: 1, fixing frame; 11, electric push rod; 12, mold frame; 13, mold body; 14, plugboard; 15, rotating plate; 16, fastening screw; 2, push plate; 21, guide rod; 22, spring; 3, clamping groove; 31, clamping block; 32, servo motor; 33, rotating rod; 34, first fixed plate; 35, cleaning brush; 4, second fixed plate; 41, nozzle; 5, rubber block; 6, cushion block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As shown in Figures 1 to 4 the utility model embodiment of a plastic product blow molding mold, including fixed frame 1, fixed frame 1 side wall is fixedly connected with electric push rod 11, electric push rod 11 is provided on the outer side wall of fixed frame 1 a pair, and symmetrically arranged, the transmission end of electric push rod 11 is equipped with buffer assembly, and fixed frame 1 is equipped with detachable mold assembly through buffer assembly, and fixed frame 1 is equipped with impurity removal assembly through cleaning assembly, in work, detachable mold assembly is installed in the transmission end of electric push rod 11 through buffer assembly, and the mold is driven to each other by starting electric push rod 11, so that a pair of mold assembly carries out blow molding operation, when the mold needs to be replaced, the detachable mold is removed from the end of electric push rod 11, and a new mold is replaced, and the buffer assembly buffers between electric push rod 11 and the mold, after the plastic product is demolded from the mold, the inner side wall of the mold is cleaned and impurities are removed by cleaning assembly and impurity removal assembly, and the dirt on the surface of the mold is removed, this step is through the setting of fixed frame 1, electric push rod 11, buffer assembly, detachable mold assembly, cleaning assembly and impurity removal assembly, and the blow molding mold structure for replacing the mold conveniently is formed, the function of quickly replacing the mold is realized, the problem that the operation steps are complicated when replacing different molds is solved, and the convenience of replacing the mold is improved.

[0025] As shown in Figures 1 to 3As shown, the detachable mold assembly includes a mold frame 12, a mold body 13, an insertion plate 14, a rotating plate 15 and a fastening screw 16, the mold frame 12 is installed at the driving end of the electric push rod 11 through the buffer assembly, the mold body 13 is slidingly fitted in the middle part of the mold frame 12, the insertion plate 14 is clamped on the side wall of the mold frame 12 close to the mold body 13, the rotating plate 15 is rotationally connected at the top of the mold frame 12, a pair of the rotating plate 15 is arranged at the top of the mold frame 12 and symmetrically arranged, the fastening screw 16 is threadedly connected at the middle part of the rotating plate 15 close to the mold body 13, the fastening screw 16 is threadedly fitted with the insertion plate 14, and the bottom end of the fastening screw 16 is provided with an anti-skid assembly. In work, when different mold bodies 13 are replaced, the fastening screw 16 is loosened, the insertion plate 14 is pulled out, the rotating plate 15 is rotated to move the fastening screw 16 to one side, the mold body 13 is pulled out from the mold frame 12, the new mold body 13 is inserted into the mold frame 12, the insertion plate 14 is inserted into the side wall of the mold frame 12 to limit the top of the mold body 13, the rotating plate 15 is rotated to move the fastening screw 16 to the top of the insertion plate 14, the fastening screw 16 is screwed to make the bottom end of the fastening screw 16 contact with the top of the mold body 13, and the mold body 13 is pressed in the mold frame 12. Through the arrangement of the mold frame 12, the mold body 13, the insertion plate 14, the rotating plate 15 and the fastening screw 16, a mold structure convenient to disassemble is formed, the function of quickly replacing the mold body 13 is realized, the problem of complicated steps when replacing the mold body 13 is solved, the stability of the mold body 13 when fixed in the middle part of the mold frame 12 is improved, the adaptability of the mold body 13 of different sizes when fixed in the middle part of the mold frame 12 is improved, and the convenience of replacing the mold body 13 is improved.

[0026] As Figure 1 and Figure 2As shown, the buffer assembly includes a push plate 2, a guide rod 21 and a spring 22, the push plate 2 is fixedly connected to the driving end of the electric push rod 11, the guide rod 21 is slidingly connected to the middle part of the push plate 2, the guide rod 21 is provided in multiple groups in the middle part of the push plate 2 and is uniformly distributed at the four corners of the middle part of the push plate 2, the end part of the guide rod 21 is fixedly connected to the side wall of the mold frame 12 away from the mold body 13, the spring 22 is sleeved on the outer side wall of the guide rod 21 close to the mold body 13, and the side wall of the push plate 2 away from the electric push rod 11 is provided with an anti-collision assembly. In work, the electric push rod 11 drives the push plate 2, the guide rod 21 and the spring 22 to move, the guide rod 21 drives the mold frame 12 to move under the elastic force of the spring 22, when a pair of mold bodies 13 are in contact, the mold frame 12 remains stationary, the guide rod 21 slides in the middle part of the push plate 2, and the spring 22 is compressed to buffer the impact of the electric push rod 11 on the mold body 13. Through the arrangement of the push plate 2, the guide rod 21 and the spring 22, a mold buffer structure is formed, the function of buffering between the electric push rod 11 and the mold body 13 after the mold combination is completed is realized, the situation that the electric push rod 11 continues to advance to cause damage to parts after the mold body 13 is combined due to the direct contact between the electric push rod 11 and the mold body 13 is solved, and the safety of the device during use is improved.

[0027] As Figure 1 and Figure 4As shown, the cleaning assembly includes a clamping groove 3, a clamping block 31, a servo motor 32, a rotating rod 33, a first fixed plate 34 and a cleaning brush 35. The clamping groove 3 is fixedly connected to the side wall of the fixed frame 1 away from the electric push rod 11. The clamping groove 3 is provided with a pair of symmetrically arranged clamping grooves on the side wall of the fixed frame 1. The clamping block 31 is detachably installed in the middle of the clamping groove 3. The servo motor 32 is fixedly connected to the side wall of a group of clamping blocks 31. The rotating rod 33 is fixedly connected to the transmission end of the servo motor 32. The rotating rod 33 is rotatably connected to the middle of a pair of clamping blocks 31. The first fixed plate 34 is fixedly connected to the middle of the rotating rod 33. The cleaning brush 35 is fixedly connected to the side wall of the first fixed plate 34. The cleaning brush 35 is provided with multiple groups of cleaning brushes on the side wall of the first fixed plate 34, which are evenly distributed on the side wall of the first fixed plate 34. In work, after the plastic products are demolded from the mold body 13, the electric push rod 11 drives the mold body 13 to move away from each other. The clamping block 31 is installed on the side wall of the fixed frame 1 through the clamping groove 3. The servo motor 32 is started. The servo motor 32 drives the rotating rod 33 to rotate. The rotating rod 33 drives the first fixed plate 34 and the cleaning brush 35 to rotate. The cleaning brush 35 contacts the side wall of the mold body 13 that moves close to each other. The side wall of the mold body 13 is cleaned. The debris adhered to the side wall of the mold body 13 is swept off. This step is composed of the side wall cleaning structure of the mold body 13 through the setting of the clamping groove 3, the clamping block 31, the servo motor 32, the rotating rod 33, the first fixed plate 34 and the cleaning brush 35. The function of cleaning the side wall of the mold body 13 is realized. The problem that the debris or foreign matter adhered to the side wall of the mold body 13 causes the surface of the mold body 13 to be dirty is solved. The cleanliness of the side wall of the mold body 13 is improved. The problem that the debris or foreign matter adhered to the side wall of the mold body 13 causes the production quality of the plastic products to decrease is reduced.

[0028] As shown, Figure 4 The impurity removal assembly includes a second fixed plate 4 and a nozzle 41. The second fixed plate 4 is fixedly connected to the outer side wall of the rotating rod 33 away from the first fixed plate 34. The nozzle 41 is fixedly connected to the middle of the second fixed plate 4. The nozzle 41 is provided with multiple groups of nozzles in the middle of the second fixed plate 4, which are symmetrically arranged. The side wall of the second fixed plate 4 close to the rotating rod 33 is provided with an air inlet nozzle. The inside of the second fixed plate 4 is provided with an air channel. The nozzle 41 is communicated with the air inlet nozzle through the air channel in the inside of the second fixed plate 4. In work, the air inlet nozzle on the side wall of the second fixed plate 4 is connected with compressed air. The rotating rod 33 drives the second fixed plate 4 and the nozzle 41 to rotate when rotating. The nozzle 41 blows air to the side wall of the mold body 13. The debris or foreign matter adhered to the side wall of the mold body 13 is blown off. At the same time, the mold body 13 is cooled. This step is composed of the surface impurity removal and cooling structure of the mold body 13 through the setting of the second fixed plate 4 and the nozzle 41. The function of cleaning the surface of the mold body 13 is realized. The problem that the debris or foreign matter adhered to the side wall of the mold body 13 is solved. The temperature of the mold body 13 is reduced. The problem that the debris or foreign matter adhered to the side wall of the mold body 13 causes the production quality of the plastic products to decrease is reduced.

[0029] like Figure 2 As shown, the anti-collision component includes a rubber block 5, which is fixedly connected to the side wall of the push plate 2 near the mold frame 12. The rubber block 5 is arranged in a cross shape. During operation, when the electric push rod 11 drives the push plate 2 to approach the mold frame 12, the mold frame 12 contacts the rubber block 5, which plays an anti-collision role. This step, through the setting of the rubber block 5, forms an anti-collision structure between the mold frame 12 and the push plate 2, which buffers the mold frame 12 and the push plate 2 when they approach each other, reducing the abnormal wear caused by the collision between the mold frame 12 and the push plate 2.

[0030] like Figure 3 As shown, the anti-slip component includes a pad 6, which is fixedly connected to the bottom of the fastening screw 16. During operation, when the fastening screw 16 is turned to move closer to the mold body 13, the pad 6 contacts the mold body 13, increasing the friction between the fastening screw 16 and the mold body 13, reducing the possibility of the fastening screw 16 becoming loose, and reducing the possibility of wear between the fastening screw 16 and the mold body 13.

[0031] When working, the detachable mold assembly is installed on the transmission end of the electric push rod 11 through the buffer assembly, the electric push rod 11 is started to drive the molds to approach each other, a pair of mold assemblies are blow molded, when the molds need to be replaced, the detachable mold is detached from the end of the electric push rod 11, and a new mold is replaced, the buffer assembly buffers between the electric push rod 11 and the mold, after the plastic product is demolded from the mold, the cleaning assembly and the impurity removing assembly clean and remove impurities on the inner wall of the mold, remove dirt on the surface of the mold, when the different mold body 13 is replaced, the fastening screw 16 is loosened, the plug plate 14 is pulled out, the rotating plate 15 is rotated to move the fastening screw 16 to one side, the mold body 13 is pulled out from the mold frame 12, the new mold body 13 is inserted into the mold frame 12, the plug plate 14 is inserted into the side wall of the mold frame 12 to limit the top of the mold body 13, the rotating plate 15 is rotated to move the fastening screw 16 to the top of the plug plate 14, the fastening screw 16 is screwed, the bottom end of the fastening screw 16 contacts the top of the mold body 13, the mold body 13 is pressed in the mold frame 12, the electric push rod 11 drives the push plate 2, the guide rod 21 and the spring 22 to move, the guide rod 21 drives the mold frame 12 to move under the elastic force of the spring 22, when a pair of mold bodies 13 contact, the mold frame 12 remains stationary, the guide rod 21 slides in the middle of the push plate 2, the spring 22 is compressed, and the impact of the electric push rod 11 on the mold body 13 is buffered, after the plastic product is demolded from the mold body 13, the electric push rod 11 drives the mold bodies 13 to move away from each other, the clamping block 31 is installed on the side wall of the fixed frame 1 through the clamping groove 3, the servo motor 32 is started, the servo motor 32 drives the rotating rod 33 to rotate, the rotating rod 33 drives the first fixed plate 34 and the cleaning brush 35 to rotate, the cleaning brush 35 contacts the side wall of the mold body 13 approaching each other to clean the side wall of the mold body 13, the debris adhered to the side wall of the mold body 13 is swept off, the air inlet of the second fixed plate 4 is connected with compressed air, the second fixed plate 4 and the nozzle 41 are driven to rotate when the rotating rod 33 rotates, the nozzle 41 blows air to the side wall of the mold body 13 to blow off the debris or foreign matter adhered to the side wall of the mold body 13 and cool the mold body 13 at the same time, when the electric push rod 11 drives the push plate 2 to approach the mold frame 12, the mold frame 12 contacts the rubber block 5 to play a role of anti-collision, when the fastening screw 16 is screwed to approach the mold body 13, the pad 6 contacts the mold body 13 to increase the friction between the fastening screw 16 and the mold body 13, reduce the loosening of the fastening screw 16, and reduce the wear between the fastening screw 16 and the mold body 13.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A blow molding mold for plastic products, comprising a fixing frame (1), characterized in that: The side wall of the fixed frame (1) is fixedly connected with an electric push rod (11). A pair of electric push rods (11) are provided on the outer side wall of the fixed frame (1) and are arranged symmetrically. The transmission end of the electric push rod (11) is provided with a buffer assembly. The fixed frame (1) is provided with a detachable mold assembly through the buffer assembly. The side wall of the fixed frame (1) is provided with a cleaning assembly. The fixed frame (1) is provided with a dirt removal assembly through the cleaning assembly.

2. The blow molding die for plastic products according to claim 1, characterized in that: The detachable mold assembly includes a mold frame (12), a mold body (13), an insert plate (14), a rotating plate (15), and fastening screws (16). The mold frame (12) is installed on the transmission end of the electric push rod (11) through a buffer assembly. The mold body (13) is slidably fitted in the middle of the mold frame (12). The insert plate (14) is snapped into the side wall of the mold frame (12) near the mold body (13). The rotating plate (15) is rotatably connected to the top of the mold frame (12). A pair of rotating plates (15) are provided on the top of the mold frame (12) and are symmetrically arranged. The fastening screws (16) are threadedly connected to the middle of the rotating plate (15) near the mold body (13). The fastening screws (16) are threadedly engaged with the insert plate (14). The bottom end of the fastening screws (16) is provided with an anti-slip component.

3. The blow molding die for plastic products according to claim 2, characterized in that: The buffer assembly includes a push plate (2), a guide rod (21), and a spring (22). The push plate (2) is fixedly connected to the transmission end of the electric push rod (11). The guide rod (21) is slidably connected to the middle of the push plate (2). Multiple sets of guide rods (21) are provided in the middle of the push plate (2) and are evenly distributed at the four corners of the middle of the push plate (2). The end of the guide rod (21) is fixedly connected to the side wall of the mold frame (12) away from the mold body (13). The spring (22) is sleeved on the outer side wall of the guide rod (21) near the mold body (13). The side wall of the push plate (2) away from the electric push rod (11) is provided with an anti-collision assembly.

4. The blow molding die for plastic products according to claim 1, characterized in that: The cleaning assembly includes a slot (3), a block (31), a servo motor (32), a rotating rod (33), a first fixing plate (34), and a cleaning brush (35). The slot (3) is fixedly connected to the side wall of the fixing frame (1) away from the electric push rod (11). A pair of slots (3) are provided on the side wall of the fixing frame (1) and are symmetrically arranged. The block (31) is detachably installed in the middle of the slot (3). The servo motor (32) is fixedly connected to the side wall of a set of blocks (31). The rotating rod (33) is fixedly connected to the transmission end of the servo motor (32). The rotating rod (33) is rotatably connected to the middle of a pair of blocks (31). The first fixing plate (34) is fixedly connected to the middle of the rotating rod (33). The cleaning brush (35) is fixedly connected to the side wall of the first fixing plate (34). Multiple sets of cleaning brushes (35) are provided on the side wall of the first fixing plate (34) and are evenly distributed on the side wall of the first fixing plate (34).

5. The blow molding die for plastic products according to claim 4, characterized in that: The impurity removal assembly includes a second fixed plate (4) and a nozzle (41). The second fixed plate (4) is fixedly connected to the outer wall of the rotating rod (33) away from the first fixed plate (34). The nozzle (41) is fixedly connected to the middle of the second fixed plate (4). Multiple sets of nozzles (41) are arranged symmetrically in the middle of the second fixed plate (4). An air inlet is provided on the side wall of the second fixed plate (4) near the rotating rod (33). An air passage is provided inside the second fixed plate (4). The nozzle (41) communicates with the air inlet through the air passage inside the second fixed plate (4).

6. The blow molding die for plastic products according to claim 3, characterized in that: The anti-collision component includes a rubber block (5), which is fixedly connected to the side wall of the push plate (2) near the mold frame (12). The rubber block (5) is arranged in a cross shape.

7. The blow molding die for plastic products according to claim 2, characterized in that: The anti-slip component includes a pad (6), which is fixedly connected to the bottom of the fastening screw (16).

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