Integrated injection molding process for rotary floss pick

Abstract

The invention discloses a rotary floss pick integrated injection molding process, and relates to the technical field of floss pick production processes, and the rotary floss pick integrated injection molding process comprises the following steps: fixed block injection molding, fixed block cleaning, integrated molding mold preparation, fixed block and floss installation, in-mold integrated injection molding, installation head cleaning, and floss high-temperature sintering. In the process, when the installation head is subjected to injection molding, the fixing block and the installation head are directly subjected to integrated injection molding, synchronous production and assembly of the fixing block and the installation head are achieved, the production time is greatly shortened, the production efficiency is remarkably improved, and the production period is shortened; meanwhile, by adopting the design that the injection molding all-in-one machine is matched with the integrated molding mold, the stability and consistency of the injection molding process are ensured, the assembly precision and stability between the mounting head and the fixing block are improved, the product quality is improved, and the rejection rate is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of dental floss stick production technology, and in particular to an integrated injection molding process for a rotating dental floss stick. Background Art

[0002] Rotating dental floss stick is a new type of dental floss stick. Figure 1 The rotary dental flosser specifically includes a mounting head 1, a dental floss 2 and a fixing block 3. The mounting head 1 is bow-shaped, and both ends of the dental floss 2 are fixed on the mounting head 1. The mounting head 1 is provided with a cylindrical column 11, and the fixing block 3 is provided with a hole 31 adapted to the column 11, and the fixing block 3 is rotatably sleeved on the column 11 through the hole 31. In addition, the rotary dental flosser usually needs to be matched with a special handle when in use, and the fixing block is installed on the handle through a fixing structure on the handle.

[0003] At present, the traditional injection molding process of the rotary dental floss pick mainly includes the following steps: 1. Complete the injection molding of the mounting head and the fixing block separately, and fix the dental floss at the mounting position of the mounting head during the injection molding of the mounting head; 2. Assemble the mounting head and the fixing block together, so that the fixing block is rotatably mounted on the column of the mounting head; 3. Hot glue treatment is performed on the end of the column, so that the end of the column solidifies again after hot glue and forms an end head, thereby preventing the fixing block from detaching from the column.

[0004] However, although the traditional rotary dental floss pick injection molding process simplifies the process flow, due to the limitations of technology and equipment, the assembly accuracy and stability between the mounting head and the fixing block are poor, resulting in a low yield. Summary of the invention

[0005] In view of the problems existing in the prior art, the present application provides an integrated injection molding process for a rotating dental floss pick.

[0006] The present application provides a one-piece injection molding process for a rotating dental floss pick, which adopts the following technical solutions: A one-piece injection molding process for a rotating dental floss pick comprises the following steps: Step 1, injection molding of the fixing block: injection molding of the fixing block is performed using an injection mold to form a fixing block injection molded part, and the fixing block injection molded part is provided with holes; Step 2: Clean the fixed block: clean the runner waste and burrs of the fixed block injection molded parts to ensure a smooth surface; Step 3, preparing the one-piece molding mold: preparing an all-in-one injection molding machine, on which an one-piece molding mold is installed, and a structure for positioning a fixing block and a dental floss is provided on the one-piece molding mold; Step 4, installing the fixing block and the dental floss: installing the fixing block and the dental floss to the set positions of the one-piece molding mold respectively; Step 5, in-mold integrated injection molding: the granular raw materials for injection molding of the mounting head are put into the integrated injection molding machine, and the raw materials are heated and melted and then enter the integrated molding mold, and are cooled and molded in the integrated molding mold. During the molding process of the mounting head, the dental floss is fixed on the mounting head, and a column is formed on the mounting head through the holes on the fixing block. After the mounting head is formed, the fixing block is sleeved on the column of the mounting head; Step 6: Clean the installation head: remove the formed rotating dental floss stick and clean the runner waste and burrs on the installation head; Step 7, high-temperature sintering of the dental floss: The two ends of the dental floss are sintered at high temperatures respectively, and the two ends of the dental floss are melted and bonded to the mounting head respectively.

[0007] Optionally, the integrated injection molding machine includes a machine body and a feed hopper fixedly arranged on the machine body, a raw material heating bin is arranged on the machine body, the feed hopper is communicated with the raw material heating bin, and a heating module for heating the raw material in the raw material heating bin is arranged on the machine body; The one-piece molding mold includes a first mold base and a second mold base, the first mold base is fixedly arranged on the machine body, the machine body is provided with a fixing component for fixing the second mold base on the first mold base, the first mold base and the second mold base are both provided with a molding cavity, the raw material heating bin is connected with an injection molding tube, the injection molding tube is connected with the molding cavity on the first mold base, the molding cavities of the first mold base and the second mold base are both provided with placement grooves for placing fixed blocks, and the ends of the first mold base and the second mold base close to each other are both provided with wire grooves for placing dental floss.

[0008] Optionally, the fixing assembly includes a sliding frame and a first driving member, the sliding frame is slidably disposed on the machine body, the second mold base is fixedly disposed on the sliding frame, and the first driving member is used to drive the sliding frame to slide.

[0009] Optionally, two receiving grooves are provided at one end of the second mold base close to the first mold base, and the two receiving grooves are arranged on both sides of the second mold base, and the two receiving grooves are connected to the wire groove on the second mold base, and pressure blocks are slidably arranged in the two receiving grooves, and a driving component for driving the two pressure blocks to slide is arranged on the sliding frame, and two receiving grooves are provided at one end of the first mold base close to the second mold base, and the receiving grooves correspond one-to-one to the receiving grooves, and the two receiving grooves are connected to the wire groove on the first mold base.

[0010] Optionally, a guide rod is fixedly provided on one end of the two pressing blocks away from the first die base, the guide rod is slidably penetrated on the second die base, and an anti-slip block is fixedly provided on the guide rod.

[0011] Optionally, the driving assembly includes a wire crimping frame and a second driving member, the wire crimping frame is slidably set on the sliding frame, two top blocks are fixedly set on the wire crimping frame, the top blocks correspond to the pressing blocks one by one, and are used to abut the guide rods on the corresponding pressing blocks, and the second driving member is used to drive the wire crimping frame to slide.

[0012] Optionally, the second mold base is provided with an elastic member for driving the pressing block to slide in a direction away from the first mold base.

[0013] Optionally, the first mold base is detachably arranged on the machine body, and the injection tube is detachably connected to the first mold base, and the second mold base is detachably arranged on the sliding frame.

[0014] Optionally, an overflow channel communicating with the molding cavity is disposed at one end of the first mold base and the second mold base that are close to each other, and the overflow channels on the first mold base and the second mold base correspond to each other.

[0015] Optionally, a first cooling cavity is provided inside the first mold base, a second cooling cavity is provided inside the second mold base, a water tank and a circulating pump are provided on the machine body, coolant is stored in the water tank, the water inlet end of the circulating pump is connected to the water tank, the water outlet end of the circulating pump is connected to a water pipe, the water pipe is connected to the first cooling cavity and the second cooling cavity respectively, the first cooling cavity and the second cooling cavity are commonly connected to a reflux pipe, and the reflux pipe is connected to the water tank.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. The present application sets up a special one-piece molding mold. When producing the rotary dental floss stick, the fixed block is first injection molded and the molded fixed block is installed in the one-piece molding mold. When the mounting head is injection molded, the fixed block and the mounting head are directly injection molded as an integrated whole, thereby realizing the synchronous production and assembly of the fixed block and the mounting head, greatly shortening the production time, significantly improving the production efficiency, and reducing the production cycle. At the same time, the process adopts the design of an injection molding all-in-one machine with an one-piece molding mold, which ensures the stability and consistency of the injection molding process, improves the assembly accuracy and stability between the mounting head and the fixed block, improves product quality, and reduces the scrap rate.

[0017] 2. The present application comprises an integrated molding mold consisting of a first mold base and a second mold base, both mold bases being provided with a molding cavity, a placement groove for placing a fixed block, and a wire groove for placing dental floss, thereby ensuring accurate positioning of the fixed block and the dental floss and improving the assembly accuracy and quality of the product.

[0018] 3. This application ensures the stability of the dental floss during the injection molding process by arranging pressure blocks for pressing the dental floss on both sides of the second mold base, which can achieve accurate positioning and fixation of the dental floss and ensure that the dental floss will not shift during the injection molding process, thereby further improving the product qualification rate.

[0019] 4. The first cooling cavity and the second cooling cavity provided inside the first die base and the second die base in the present application can effectively accelerate the cooling speed of the mounting head, thereby shortening the molding time and improving production efficiency. At the same time, the closed-loop design of the cooling system ensures the recycling of the coolant, further improving the stability and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the structure of a rotating dental floss stick used in an embodiment of the present application; Figure 2 It is a schematic diagram of the structure of an injection molding integrated machine used in an embodiment of the present application; Figure 3 It is a structural cross-sectional view used to express the injection molding integrated machine in the embodiment of the present application; Figure 4 It is a structural schematic diagram used to express the fixing component in the embodiment of the present application; Figure 5 It is a schematic diagram of the structure of an integrated molding die used in an embodiment of the present application; Figure 6 It is a structural cross-sectional view used to express the one-piece molding die in the embodiment of the present application; Figure 7 It is a schematic diagram of the structure of the embodiment of the present application for expressing the compression block; Figure 8 yes Figure 7 Magnified view of section A.

[0021] Explanation of reference numerals: 1. mounting head; 11. column; 2. dental floss; 3. fixing block; 31. hole; 4. injection molding machine; 41. machine body; 42. feed hopper; 43. raw material heating bin; 431. injection molding pipe; 44. heating module; 45. first driving member; 46. water tank; 47. circulation pump; 471. water pipe; 5. integrated molding mold; 51. first mold base; 511. injection molding hole ; 512, first cooling chamber; 513, bearing groove; 52, second mold base; 521, second cooling chamber; 522, accommodating groove; 523, pressing block; 524, guide rod; 525, anti-slip block; 526, elastic member; 53, molding chamber; 54, placement groove; 55, wire groove; 56, overflow channel; 57, reflux pipe; 6, sliding frame; 61, wire pressing frame; 611, top block; 62, second driving member. DETAILED DESCRIPTION

[0022] The following will be combined with the attached Figure 2 -Attached Figure 8 , the technical solutions in the embodiments of the present invention are clearly and completely described. The described embodiments are only possible technical implementations of the present invention, not all possible implementations. Those skilled in the art can completely combine the embodiments of the present invention to obtain other embodiments without creative work, and these embodiments are also within the scope of protection of the present invention.

[0023] The inventor of this application found that although the traditional rotary dental flosser injection molding process simplifies the process flow, due to the limitations of technology and equipment, the assembly accuracy and stability between the mounting head and the fixing block are poor, resulting in a low yield. To this end, this application discloses a rotary dental flosser integrated injection molding process, which mainly adopts the following scheme: The present application embodiment discloses a one-piece injection molding process for a rotating dental floss holder. Figure 1 , 2 , including the following steps: Step 1: Injection molding of fixed block 3 The fixed block 3 is injection molded by an injection mold to form an injection molded part of the fixed block 3, and a hole 31 is formed on the injection molded part of the fixed block 3. The injection mold can be a metal mold or a ceramic mold to ensure its heat resistance and wear resistance. The hole 31 is a circular hole 31 with a diameter of 2 mm.

[0024] Step 2: Clean the fixed block 3 Clean the runner waste and burrs of the injection molded part of the fixed block 3 to ensure a smooth and flat surface. An ultrasonic cleaner or a high-pressure water gun can be used for cleaning to ensure a good cleaning effect. In addition, sandpaper or a polishing wheel can be used to polish the surface of the fixed block 3 to remove minor flaws and ensure a smooth and burr-free surface.

[0025] Step 3: Preparation of one-piece molding die 5 An all-in-one injection molding machine 4 is prepared. An all-in-one molding mold 5 is installed on the all-in-one injection molding machine 4. The all-in-one molding mold 5 is a special mold, and a structure for positioning the fixing block 3 and the dental floss 2 is provided on the all-in-one molding mold 5.

[0026] Step 4: Install the fixing block 3 and dental floss 2: The fixing block 3 and the dental floss 2 are respectively installed at the set positions of the integral molding mold 5 .

[0027] Step 5: In-mold integrated injection molding: The granular raw material for injection molding of the mounting head 1 is put into the injection molding integrated machine 4. The raw material enters the integrated molding mold 5 after being heated and melted, and is cooled and molded in the integrated molding mold 5. During the molding process of the mounting head 1, the dental floss 2 is fixed on the mounting head 1, and the column 11 is formed on the mounting head 1 through the hole 31 on the fixing block 3. After the mounting head 1 is molded, the fixing block 3 is sleeved on the column 11 of the mounting head 1.

[0028] Step 6: Clean the installation head 1 Remove the formed rotating dental floss stick and clean the runner waste and burrs on the mounting head 1. To ensure thorough cleaning, check and repeat the cleaning steps several times. For example, use scissors or a cutting knife to trim the runner waste and use a polishing wheel to grind the burrs to ensure that the surface of the mounting head 1 is smooth and neat.

[0029] Step 7: High temperature sintering of dental floss 2 The two ends of the dental floss 2 are sintered at high temperature respectively, and the two ends of the dental floss 2 are melted and bonded to the mounting head 1 respectively.

[0030] The present application further describes the injection molding machine 4. Figure 2 , 3 The injection molding machine 4 includes a body 41, a feed hopper 42, a raw material heating bin 43 and a heating module 44. The feed hopper 42 is installed at the top of the body 41, the raw material heating bin 43 is arranged inside the body 41, the feed hopper 42 is connected with the raw material heating bin 43, and the heating module 44 is used to heat the raw material in the raw material heating bin 43. An electric heater can be used to ensure that the injection molding granular raw material in the raw material heating bin 43 can be quickly melted.

[0031] Reference Figure 4 The one-piece molding mold 5 consists of a first mold base 51 and a second mold base 52. The first mold base 51 is fixedly arranged on the machine body 41 by bolts. The machine body 41 is provided with a fixing assembly for fixing the second mold base 52 on the first mold base 51. The fixing assembly includes a sliding frame 6 and a first driving member 45. The sliding frame 6 is slidably arranged on the machine body 41. The second mold base 52 is fixedly arranged on the sliding frame 6 by bolts. The first driving member 45 includes a rodless cylinder, which is fixedly arranged on the machine body 41, and the piston of the rodless cylinder is fixedly connected to the sliding frame 6 for driving the sliding frame 6 to slide.

[0032] Reference Figure 3 , 5A molding cavity 53 is provided at one end of the first mold base 51 and the second mold base 52 close to each other. An injection hole 511 connected to the molding cavity 53 is provided on the first mold base 51. An injection tube 431 is connected to the bottom of the raw material heating bin 43. The injection tube 431 is passed through the injection hole 511 and connected to the injection hole 511. A placement groove 54 for placing the fixed block 3 is provided in the molding cavity 53 of the first mold base 51 and the second mold base 52. The placement groove 54 is adapted to the fixed block 3, and when the first mold base 51 and the second mold base 52 are assembled together, the placement grooves 54 on the first mold base 51 and the second mold base 52 are merged together to form a placement interval that just places the fixed block 3, and when the fixed block 3 is located in the placement interval, the hole 31 on the fixed block 3 is connected with the molding cavity 53. During the injection molding process of the mounting head 1, the column 11 is formed on the mounting head 1 through the hole 31 on the fixed block 3. After the mounting head 1 is formed, the fixed block 3 is sleeved on the column 11 of the mounting head 1.

[0033] Reference Figure 5 The first mold base 51 and the second mold base 52 are both provided with a wire groove 55 for placing the dental floss 2 at one end close to each other. The dental floss 2 is installed in the wire groove 55 position on the first mold base 51 and the second mold base 52. During the injection molding process of the installation head 1, the two ends of the dental floss 2 are embedded and fixed on the installation head 1.

[0034] Reference Figure 5 The first mold base 51 and the second mold base 52 are each provided with an overflow channel 56 at one end close to each other. The overflow channels 56 are respectively connected to the molding cavities 53 on the corresponding mold bases, and the overflow channels 56 on the first mold base 51 and the second mold base 52 correspond to each other. When the first mold base 51 and the second mold base 52 are assembled, the overflow channels 56 on the first mold base 51 and the second mold base 52 are merged together. The design of the overflow channel 56 can effectively discharge excess injection material and avoid a large amount of air in the molding cavity 53, thereby affecting the molding quality.

[0035] Reference Figure 2 , 6In order to accelerate the cooling speed of the mounting head 1 after injection molding, a first cooling cavity 512 is provided inside the first mold base 51, a second cooling cavity 521 is provided inside the second mold base 52, a water tank 46 and a circulation pump 47 are provided on the machine body 41, a coolant is stored in the water tank 46, a water inlet end of the circulation pump 47 is connected to the water tank 46, and a water outlet end is connected to a water delivery pipe 471, and the water delivery pipe 471 is connected to the first cooling cavity 512 and the second cooling cavity 521 respectively. 21 are connected together with a return pipe 57, which is connected to the water tank 46. When the mounting head 1 is injected, the cooling liquid is respectively transported to the first cooling chamber 512 and the second cooling chamber 521 through the circulation pump 47 and the water pipe 471, so as to quickly cool down the mounting head 1 after injection molding, shorten the molding time, and improve the production efficiency; the water pipe 471 and the return pipe 57 are connected to the first mold base 51 or the second mold base 52 through a pipe joint, so as to facilitate the disassembly of the first mold base 51 and the second mold base 52.

[0036] Reference Figure 6 The connecting end of the return pipe 57 and the first cooling chamber 512 is located at the bottom of the first cooling chamber 512, and the connecting end of the return pipe 57 and the second cooling chamber 521 is located at the bottom of the second cooling chamber 521. When the mounting head 1 is in the injection molding process, the circulating pump 47 stops working, and the coolant in the first cooling chamber 512 and the second cooling chamber 521 all flows back to the water tank 46 through the return pipe 57, so as to avoid rapid cooling of the injection material during the injection molding process of the mounting head 1, which may affect the molding quality of the mounting head 1.

[0037] Reference Figure 7 , 8 The second die base 52 has two receiving grooves 522 at one end close to the first die base 51. The two receiving grooves 522 are arranged on both sides of the second die base 52, and the two receiving grooves 522 are connected to the wire groove 55 on the second die base 52. A pressing block 523 is slidably arranged in the two receiving grooves 522. A guide rod 524 is fixedly arranged at one end of the two pressing blocks 523 away from the first die base 51. The guide rod 524 is slidably arranged on the second die base 52, and an anti-slipping device is fixedly arranged on the guide rod 524. The design of the block 525 and the guide rod 524 can ensure the stability of the pressure block 523 during the sliding process, and the anti-slip block 525 can prevent the pressure block 523 from falling off the guide rod 524. The second mold base 52 is respectively provided with elastic members 526 for driving the two pressure blocks 523 to slide away from the first mold base 51. The elastic member 526 includes a compression spring, which is sleeved on the guide rod 524, one end of the compression spring abuts against the side wall of the second mold base 52, and the other end of the compression spring abuts against the anti-slip block 525.

[0038] Reference Figure 7 , 8The first die base 51 has two receiving grooves 513 at one end close to the second die base 52. The receiving grooves 513 correspond to the accommodating grooves 522 one by one, and the two receiving grooves 513 are both connected to the wire grooves 55 on the first die base 51. The sliding frame 6 is provided with a driving assembly for driving the two pressing blocks 523 to slide. The driving assembly includes a wire pressing frame 61 and a second driving member 62. The wire pressing frame 61 is slidably arranged on the sliding frame 6. Two top blocks 611 are fixedly arranged on the wire pressing frame 61. The top blocks 611 correspond to the pressing blocks 523 one by one. And it is used to abut the guide rod 524 on the corresponding pressing block 523. The second driving member 62 includes an electric push rod, which is fixedly arranged on the sliding frame 6, and the movable rod of the electric push rod is fixedly connected to the wire crimping frame 61, and is used to drive the wire crimping frame 61 to slide; by arranging pressing blocks 523 for pressing the dental floss 2 on both sides of the second mold base 52, the stability of the dental floss 2 during the injection molding process is guaranteed, and the dental floss 2 can be accurately positioned and fixed, ensuring that the dental floss 2 will not shift during the injection molding process, thereby further improving the qualified rate of the product.

[0039] The implementation principle of the one-piece injection molding process of the rotating dental floss stick in the embodiment of the present application is as follows: by setting up a special one-piece molding mold 5, when the rotating dental floss stick is produced, the fixing block 3 is first injection-molded, and the molded fixing block 3 is installed in the one-piece molding mold 5. When the mounting head 1 is injection-molded, the fixing block 3 and the mounting head 1 are directly injection-molded as an integrated whole, thereby realizing the synchronous production and assembly of the fixing block 3 and the mounting head 1, greatly shortening the production time, significantly improving the production efficiency, and reducing the production cycle. At the same time, the process adopts the design of an injection molding all-in-one machine 4 in conjunction with the one-piece molding mold 5, which ensures the stability and consistency of the injection molding process, improves the assembly accuracy and stability between the mounting head 1 and the fixing block 3, improves product quality, and reduces the scrap rate.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A one-piece injection molding process for a rotating dental floss pick, characterized in that: The following steps are involved: Step 1, injection molding of the fixing block (3): performing injection molding of the fixing block (3) using an injection mold to form an injection molded part of the fixing block (3), wherein the injection molded part of the fixing block (3) is provided with a hole (31); Step 2, cleaning the fixed block (3): clean the runner waste and burrs of the fixed block (3) injection molded part to ensure a smooth and flat surface; Step 3, preparing the integrated molding mold (5): preparing an integrated injection molding machine (4), on which the integrated injection molding machine (4) is installed the integrated molding mold (5), and the integrated molding mold (5) is provided with a structure for positioning the fixing block (3) and the dental floss (2); Step 4, installing the fixing block (3) and the dental floss (2): installing the fixing block (3) and the dental floss (2) to the set positions of the integrated molding mold (5) respectively; Step 5, in-mold integrated injection molding: a granular raw material for injection molding of the mounting head (1) is put into an integrated injection molding machine (4), the raw material is heated and melted and then enters the integrated molding mold (5), and is cooled and molded in the integrated molding mold (5). During the molding process of the mounting head (1), the dental floss (2) is fixed on the mounting head (1), and a column (11) is formed on the mounting head (1) through the hole (31) on the fixing block (3). After the mounting head (1) is molded, the fixing block (3) is sleeved on the column (11) of the mounting head (1); Step 6, cleaning the installation head (1): remove the formed rotating dental floss stick, and clean the flow channel waste and burrs on the installation head (1); Step 7, high temperature sintering of the dental floss (2): high temperature sintering is performed on both ends of the dental floss (2), and the two ends of the dental floss (2) are melted and bonded to the mounting head (1).

2. The one-piece injection molding process for a rotating dental flosser according to claim 1, characterized in that: The injection molding integrated machine (4) comprises a machine body (41) and a feed hopper (42) fixedly arranged on the machine body (41); a raw material heating bin (43) is arranged on the machine body (41); the feed hopper (42) is communicated with the raw material heating bin (43); and a heating module (44) for heating the raw material in the raw material heating bin (43) is arranged on the machine body (41); The one-piece molding die (5) comprises a first mold base (51) and a second mold base (52); the first mold base (51) is fixedly arranged on a machine body (41); a fixing assembly for fixing the second mold base (52) on the first mold base (51) is arranged on the machine body (41); a molding cavity (53) is arranged on the first mold base (51) and the second mold base (52); an injection molding tube (431) is connected to the raw material heating bin (43); the injection molding tube (431) is connected to the molding cavity (53) on the first mold base (51); a placement groove (54) for placing a fixed block (3) is arranged in the molding cavity (53) of the first mold base (51) and the second mold base (52); and a wire groove (55) for placing dental floss (2) is arranged at one end of the first mold base (51) and the second mold base (52) close to each other.

3. The one-piece injection molding process for a rotating dental floss holder according to claim 2, characterized in that: The fixing assembly comprises a sliding frame (6) and a first driving member (45); the sliding frame (6) is slidably arranged on the machine body (41); the second mold base (52) is fixedly arranged on the sliding frame (6); and the first driving member (45) is used to drive the sliding frame (6) to slide.

4. The one-piece injection molding process for a rotating dental flosser according to claim 3, characterized in that: The second mold base (52) is provided with two receiving grooves (522) at one end close to the first mold base (51), the two receiving grooves (522) are respectively arranged on both sides of the second mold base (52), and the two receiving grooves (522) are both communicated with the wire groove (55) on the second mold base (52), and pressure blocks (523) are slidably arranged in the two receiving grooves (522), and the sliding frame (6) is provided with a driving component for driving the two pressure blocks (523) to slide, and the first mold base (51) is provided with two receiving grooves (513) at one end close to the second mold base (52), the receiving grooves (513) correspond one-to-one with the receiving grooves (522), and the two receiving grooves (513) are both communicated with the wire groove (55) on the first mold base (51).

5. The one-piece injection molding process for a rotating dental flosser according to claim 4, characterized in that: A guide rod (524) is fixedly provided at one end of the two pressing blocks (523) away from the first die base (51), and the guide rod (524) is slidably arranged on the second die base (52), and an anti-slip block (525) is fixedly provided on the guide rod (524).

6. The one-piece injection molding process for a rotating dental flosser according to claim 5, characterized in that: The driving assembly comprises a wire crimping frame (61) and a second driving member (62); the wire crimping frame (61) is slidably arranged on a sliding frame (6); two top blocks (611) are fixedly arranged on the wire crimping frame (61); the top blocks (611) correspond to the pressing blocks (523) one by one and are used to abut against the guide rods (524) on the corresponding pressing blocks (523); and the second driving member (62) is used to drive the wire crimping frame (61) to slide.

7. The one-piece injection molding process for a rotating dental flosser according to claim 6, characterized in that: The second die base (52) is provided with an elastic member (526) for driving the pressing block (523) to slide in a direction away from the first die base (51).

8. The one-piece injection molding process for a rotating dental flosser according to claim 3, characterized in that: The first mold base (51) is detachably arranged on the machine body (41), and the injection tube (431) is detachably connected to the first mold base (51), and the second mold base (52) is detachably arranged on the sliding frame (6).

9. The one-piece injection molding process for a rotating dental flosser according to claim 2, characterized in that: An overflow channel (56) communicating with the molding cavity (53) is provided at one end of the first mold base (51) and the second mold base (52) that are close to each other, and the overflow channels (56) on the first mold base (51) and the second mold base (52) correspond to each other.

10. The one-piece injection molding process for a rotating dental flosser according to claim 2, characterized in that: A first cooling cavity (512) is arranged inside the first mold base (51), a second cooling cavity (521) is arranged inside the second mold base (52), a water tank (46) and a circulation pump (47) are arranged on the machine body (41), a cooling liquid is stored in the water tank (46), a water inlet end of the circulation pump (47) is connected to the water tank (46), a water outlet end of the circulation pump (47) is connected to a water delivery pipe (471), the water delivery pipe (471) is connected to the first cooling cavity (512) and the second cooling cavity (521) respectively, the first cooling cavity (512) and the second cooling cavity (521) are connected to a return pipe (57) in common, and the return pipe (57) is connected to the water tank (46).

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