Injection molding device for dental floss
By designing the injection molding device for floss, automatic cutting and scalding of injection molded floss parts is realized, the problem of cumbersome manual cutting is solved, the work efficiency and product quality are improved, and labor costs are reduced.
Patent Information
- Application Number
- CN202421126818.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The cutting processing of existing floss injection molded parts requires manual operation, which is cumbersome and time-consuming, resulting in low work efficiency, low product quality and high labor costs.
An injection molding device for flossing is designed, including a vertical frame, a material discharge seat, a movable tool holder, a lifting cylinder and a hot wire device. The injection molding parts of the floss are automatically picked up and clamped by a robot, and the wire clamping cylinder and tool are used to automate it. Cut and use a heating rod to hot the broken thread to ensure the quality of the finished product.
Automatic cutting of floss injection molded parts has been realized, which improves work efficiency and product quality, reduces labor costs, and improves intelligence.
Smart Images

Figure CN222360522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dental floss production, in particular to an injection molding device for dental floss. Background Art
[0002] Dental floss is a nylon, silk or polyester thread used to clean the adjacent plaque of teeth. It is especially effective for flat or convex tooth surfaces. It can be used to make a sawing motion back and forth to gently reach the tooth surface below the contact point. At the same time, the dental floss can also be placed at the bottom of the gingival sulcus to clean the gingival sulcus area. Dental floss is molded into dental floss injection parts by an injection molding machine. Dental floss injection parts usually have multiple dental floss injection parts distributed on both sides of a connecting strip. Therefore, it is necessary to cut the connecting strip and the thread ends on both sides of the dental floss injection parts. However, the existing cutting process is done manually. The operator uses a blade to cut the dental floss injection parts. The operation is cumbersome, time-consuming and labor-intensive. It is difficult to completely cut and separate them. The labor cost is high, which reduces work efficiency and product quality. Utility Model Content
[0003] The utility model aims to provide an injection molding device for dental floss to address the deficiencies of the prior art, so as to realize automatic cutting of dental floss injection molded parts, have a high degree of intelligence, save labor costs, and improve work efficiency and product quality.
[0004] To achieve the above-mentioned purpose, the utility model provides an injection molding device for dental floss, characterized in that it includes a stand, a material discharge seat arranged on the stand, a material placement seat movably arranged on the material discharge seat, a knife seat movably arranged on the stand, a lifting cylinder for driving the knife seat to move up and down relative to the material discharge seat, and a wire ironing device arranged on the stand, the material placement seat is drivably connected to an external driving mechanism so that the material placement seat moves up and down relative to the material discharge seat, both ends of the material placement seat are provided with a wire clamping cylinder, and the output end of the wire clamping cylinder is drivably connected to a wire clamping claw.
[0005] Preferably, the knife seat is recessed with a mounting groove, the mounting groove is provided with a first cutting groove and a mounting hole, and a plurality of the mounting grooves are provided, and the plurality of mounting grooves are arranged at intervals along the length direction of the knife seat.
[0006] Preferably, the material placement seat is provided with a second cutting groove, and there are multiple second cutting grooves, which are arranged at intervals along the length direction of the material placement seat. Both sides of the material placement seat are provided with first cutting grooves, and there are multiple first cutting grooves, which are arranged at intervals along the outer edge of the material placement seat. A first material placement groove and a limit block arranged on the first material placement groove are arranged between two adjacent first cutting grooves.
[0007] Preferably, the material discharge seat is provided with a third cutting knife groove and a second feeding groove connected to the third cutting knife groove, and the third cutting knife groove and the second feeding groove are respectively provided with a plurality of them, and the plurality of third cutting knife grooves and the plurality of second feeding grooves are arranged at intervals along the length direction of the material discharge seat, and second cutting grooves are provided on both sides of the material discharge seat, and the second cutting grooves are provided with a plurality of them, and the plurality of second cutting grooves are arranged at intervals along the outer edge of the material discharge seat, and the central axes of the first cutting knife groove, the second cutting knife groove and the third cutting knife groove coincide, and the central axes of the first cutting knife groove and the second cutting groove coincide.
[0008] Preferably, guide rods are provided on both sides of the knife seat, and the stand is provided with guide sleeves slidably connected to the guide rods.
[0009] Preferably, the ironing device includes a base, a movable seat movably arranged on the base, a driving cylinder for driving the movable seat to move, a mounting member arranged on the movable seat, and a heating rod arranged on the mounting member, wherein the mounting members are provided in plurality and are arranged at intervals along the length direction of the movable seat, and the heating rod is arranged perpendicular to the mounting member and protrudes out of the movable seat.
[0010] Preferably, an adjustment groove is provided at one end of the mounting piece close to the movable seat, and the movable seat is provided with a connecting groove used in conjunction with the adjustment groove, and the connecting groove is arranged along the length direction of the movable seat. A clamping groove and a connecting hole connected to the clamping groove are provided at one end of the mounting piece away from the movable seat, and the mounting piece is clamped and fixed to the outer periphery of the heating rod by the clamping groove.
[0011] The beneficial effects of the utility model include realizing automatic cutting of dental floss injection molded parts, having a high degree of intelligence, saving labor costs, and improving work efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model.
[0013] Figure 2 It is a schematic diagram of the exploded structure among the knife seat, material placement seat and material discharge seat of the utility model.
[0014] Figure 3 for Figure 2 Schematic diagram of the structure from another angle.
[0015] Figure 4 It is a schematic structural diagram of the wire hot wire device of the present utility model.
[0016] Reference numerals include:
[0017] 1——Stand 11——Guide sleeve
[0018] 2——Discharging seat 21——Third cutting groove 22——Second material placing groove
[0019] 23——Second tangent groove
[0020] 3——Material holder 31——Second cutting groove 32——First cutting groove
[0021] 33——First material trough 34——Limiting block
[0022] 4——knife seat 41——installation slot 42——first cutting slot
[0023] 43——Mounting hole 44——Guide rod
[0024] 5——Lifting cylinder
[0025] 6——Wire ironing device 61——Base 62——Moving seat
[0026] 63——driving cylinder 64——mounting part 65——heating rod
[0027] 66——Adjustment slot 67——Connection slot 68——Clamping slot
[0028] 69——Connection hole
[0029] 7——wire clamping cylinder 8——wire clamping claw. DETAILED DESCRIPTION
[0030] The utility model is described in detail below with reference to the accompanying drawings.
[0031] like Figures 1 to 4 As shown, the utility model is an injection molding device for dental floss, comprising a stand 1, a material discharge seat 2 arranged on the stand 1, a material placement seat 3 movably arranged on the material discharge seat 2, a knife seat 4 movably arranged on the stand 1, a lifting cylinder 5 for driving the knife seat 4 to move up and down relative to the material discharge seat 2, and a wire ironing device 6 arranged on the stand 1, the material placement seat 3 is connected to the external driving mechanism so that the material placement seat 3 moves up and down relative to the material discharge seat 2, and both ends of the material placement seat 3 are provided with a wire clamping cylinder 7, and the output end of the wire clamping cylinder 7 is driven and connected with a wire clamping claw 8.
[0032] During operation, an external manipulator picks up the dental floss injection molded part from the injection molding machine and transfers and places the dental floss injection molded part on the discharge seat 2, and then the external driving mechanism drives the material placement seat 3 to move downward relative to the discharge seat 2, so that the material placement seat 3 fits and contacts the discharge seat 2, thereby clamping and fixing the position of the dental floss injection molded part between the material placement seat 3 and the discharge seat 2, and the clamping cylinder 7 drives the clamping claw 8 to clamp the thread end, so that the thread end on the dental floss injection molded part always maintains a certain tension, and then the lifting cylinder 5 drives the knife seat 4 to move downward relative to the material placement seat 3, so that the knife seat 4 and the material placement seat The spacing between the two parts is further compressed, so that the external cutter set on the cutter seat 4 can penetrate the material placement seat 3 and cut off the connecting strip of the dental floss injection molded part placed on the material discharge seat 2, so as to cut and process the dental floss injection molded part into a dental floss product. At the same time, the wire hotting device 6 moves and protrudes into the material discharge seat 2 to burn off the thread ends of the dental floss product. When the thread ends are burned off, the thread ends are automatically bent and formed under the action of high temperature, so as to ensure that they will not fall off from the dental floss product. After the wire hotting device 6 finishes working, the wire clamping cylinder 7 drives the wire clamping claw 8 to release the thread ends, so that the dental floss product can be taken out smoothly. The utility model realizes the automatic cutting of dental floss injection molded parts, has a high degree of intelligence, saves labor costs, and improves work efficiency and product quality.
[0033] The knife seat 4 of this embodiment is provided with a mounting groove 41, and the mounting groove 41 is provided with a first cutting groove 42 and a mounting hole 43. There are a plurality of mounting grooves 41, and the plurality of mounting grooves 41 are arranged at intervals along the length direction of the knife seat 4. Specifically, the handle of the external tool is inserted and fixed in the mounting groove 41, so that the tool head provided on the handle passes through the first cutting groove 42 and protrudes out of the knife seat 4, and then the external mounting screw is passed through the mounting hole 43 and connected and fixed to the handle, so that the connection and fixation between the external tool and the knife seat 4 is realized, and the connection is stable and reliable. The plurality of mounting grooves 41 are arranged at intervals along the length direction of the knife seat 4, which effectively meets the assembly requirements of the plurality of external tools correspondingly installed on the knife seat 4.
[0034] The material placement seat 3 of the present embodiment is provided with a second cutting groove 31, and a plurality of the second cutting grooves 31 are provided, and the plurality of second cutting grooves 31 are arranged at intervals along the length direction of the material placement seat 3. Both sides of the material placement seat 3 are provided with a first cutting groove 32, and a plurality of the first cutting grooves 32 are provided, and the plurality of first cutting grooves 32 are arranged at intervals along the outer edge of the material placement seat 3. A first material placement groove 33 and a limit block 34 provided on the first material placement groove 33 are provided between two adjacent first cutting grooves 32. Specifically, when the knife seat 4 is driven by the lifting cylinder 5 to move downward relative to the material placement seat 3, the knife head of the external knife passes through the second cutting knife groove 31 and protrudes into between the material placement seat 3 and the material discharge seat 2. The plurality of second cutting knife grooves 31 are arranged at intervals along the length direction of the material placement seat 3, so that the knife heads of the plurality of external knives are respectively inserted into the plurality of second cutting knife grooves 31. The plurality of first cutting grooves 32 are arranged at intervals along the outer edge of the material placement seat 3, and a first material placement groove 33 is arranged between two adjacent first cutting grooves 32. The dental floss injection molded part is wrapped and accommodated by the first material placement groove 33. The limit block 34 arranged in the first material placement groove 33 has a good limiting effect on the thread end of the dental floss injection molded part, so that the wire ironing device 6 can pass through the first cutting groove 32 and contact the thread end on the outer side of the dental floss injection molded part to burn off the thread end, and it is not easy to cause position obstruction to hinder the normal wire ironing work.
[0035] The material discharging seat 2 of this embodiment is provided with a third cutting knife groove 21 and a second material loading groove 22 connected with the third cutting knife groove 21, and the third cutting knife groove 21 and the second material loading groove 22 are respectively provided with a plurality of them, and the plurality of third cutting knife grooves 21 and the plurality of second material loading grooves 22 are arranged at intervals along the length direction of the material discharging seat 2, and second tangent grooves 23 are provided on both sides of the material discharging seat 2, and the plurality of second tangent grooves 23 are arranged at intervals along the outer edge of the material discharging seat 2, and the central axes of the first cutting knife groove 42, the second cutting knife groove 31 and the third cutting knife groove 21 coincide with each other, and the central axes of the first tangent groove 32 and the second tangent groove 23 coincide with each other. Specifically, the material placement seat 3 is driven by an external driving mechanism to move downward relative to the material discharge seat 2, so that the material placement seat 3 is fitted and abutted against the material discharge seat 2, and the blade head of the external tool passes through the second cutting groove 31 and protrudes into the third cutting groove 21, thereby shearing the dental floss injection molded part placed in the second material placement groove 22. The multiple third cutting grooves 21 are arranged at intervals along the length direction of the material discharge seat 2, so that the blade heads of the multiple external tools can be respectively inserted into the multiple third cutting grooves 21. The central axes of the first cutting groove 42, the second cutting groove 31, and the third cutting groove 21 coincide with each other, and the central axes of the first wire cutting groove 32 and the second wire cutting groove 23 coincide with each other, ensuring the accuracy and coaxiality of the positions of each component, and achieving accurate alignment among the first cutting groove 42, the second cutting groove 31, and the third cutting groove 21, so that the blade head of the external tool vertically penetrates the first cutting groove 42, the second cutting groove 31, and the third cutting groove 21 for efficient cutting processing, and the first wire cutting groove 32 and the second wire cutting groove 23 are accurately aligned, so that the wire ironing device 6 passes through the second wire cutting groove 23 and the first wire cutting groove 32 correspondingly, and effectively contacts the thread ends on the outside of the dental floss injection molded part to burn off the thread ends.
[0036] In this embodiment, guide rods 44 are provided on both sides of the knife holder 4, and the stand 1 is provided with guide sleeves 11 slidably connected to the guide rods 44. Specifically, when the lifting cylinder 5 drives the knife holder 4 to move up and down, the knife holder 4 is slidably connected to the guide sleeves 11 through the guide rods 44, which plays a good guiding role, so that the knife holder 4 moves smoothly.
[0037] The ironing device 6 of this embodiment includes a base 61, a moving seat 62 movably arranged on the base 61, a driving cylinder 63 for driving the moving seat 62 to move, a mounting member 64 arranged on the moving seat 62, and a heating rod 65 arranged on the mounting member 64. The mounting member 64 is provided with a plurality of components and arranged at intervals along the length direction of the moving seat 62. The heating rod 65 is arranged perpendicular to the mounting member 64 and protrudes out of the moving seat 62. Specifically, the driving cylinder 63 drives the moving seat 62 to move closer to the material discharging seat 2. The heating rod 65 is installed on the mounting member 64. The heating rod 65 is provided with a plurality of components and arranged at intervals along the length direction of the moving seat 62, so that the heating rod 65 passes through the second cutting groove 23 and the first cutting groove 32 to cut the thread ends of the finished dental floss. At the same time, the thread ends are automatically bent and formed under the action of high temperature to ensure that they will not fall off the finished dental floss. Of course, the position of the heating rod 65 also needs to be adjusted in advance to prevent the heating rod 65 from accidentally cutting the remaining threads. In order to maximize production efficiency, two wire ironing devices 6 are provided and symmetrically arranged on both sides of the discharge seat 2.
[0038] The mounting member 64 of this embodiment is provided with an adjustment groove 66 at one end close to the movable seat 62, and the movable seat 62 is provided with a connection groove 67 used in conjunction with the adjustment groove 66, and the connection groove 67 is provided along the length direction of the movable seat 62. The mounting member 64 is provided with a clamping groove 68 and a connection hole 69 connected with the clamping groove 68 at one end away from the movable seat 62, and the mounting member 64 is clamped and fixed to the outer periphery of the heating rod 65 through the clamping groove 68. Specifically, the mounting member 64 is clamped and fixed to the outer periphery of the heating rod 65 through the clamping groove 68, and then the external connection screws are used to pass through the connection holes 69 and connected to the mounting member 64, so as to further clamp and fix the position of the heating rod 65 on the mounting member 64, and the working position of the heating rod 65 is adjusted by adjusting the position of the mounting member 64 protruding out of the movable seat 62, and then the external connection screws are used to pass through the adjustment groove 66 and connected and fixed in the connection groove 67, so as to realize the adjustable connection and fixation between the mounting member 64 and the movable seat 62, and the adjustment effect is good.
[0039] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. An injection molding device for dental floss, characterized in that: It includes a vertical frame, a material discharge seat arranged on the vertical frame, a material placement seat movably arranged on the material discharge seat, a knife seat movably arranged on the vertical frame, a lifting cylinder for driving the knife seat to move up and down relative to the material discharge seat, and a wire ironing device arranged on the vertical frame. The material placement seat is connected to the external driving mechanism to make the material placement seat move up and down relative to the material discharge seat. Both ends of the material placement seat are provided with wire clamping cylinders, and the output end of the wire clamping cylinder is driven and connected with a wire clamping claw.
2. The dental floss injection molding device according to claim 1, characterized in that: The knife seat is recessed with a mounting groove, the mounting groove is provided with a first cutting groove and a mounting hole, and a plurality of mounting grooves are provided, and the plurality of mounting grooves are arranged at intervals along the length direction of the knife seat.
3. The dental floss injection molding device according to claim 2, characterized in that: The material placement seat is provided with a second cutting groove, and there are multiple second cutting grooves, which are arranged at intervals along the length direction of the material placement seat. Both sides of the material placement seat are provided with first cutting grooves, and there are multiple first cutting grooves, which are arranged at intervals along the outer edge of the material placement seat. A first material placement groove and a limit block arranged on the first material placement groove are arranged between two adjacent first cutting grooves.
4. The dental floss injection molding device according to claim 3, characterized in that: The material discharging seat is provided with a third cutting knife groove and a second material feeding groove connected with the third cutting knife groove, the third cutting knife groove and the second material feeding groove are respectively provided with a plurality of them, and the plurality of third cutting knife grooves and the plurality of second material feeding grooves are arranged at intervals along the length direction of the material discharging seat, both sides of the material discharging seat are provided with second cutting grooves, the second cutting grooves are provided with a plurality of them, and the plurality of second cutting grooves are arranged at intervals along the outer edge of the material discharging seat, the central axes of the first cutting knife groove, the second cutting knife groove and the third cutting knife groove coincide, and the central axes of the first cutting groove and the second cutting groove coincide.
5. The dental floss injection molding device according to claim 1, characterized in that: Guide rods are arranged on both sides of the knife seat, and the stand is provided with guide sleeves which are slidably connected with the guide rods.
6. The dental floss injection molding device according to claim 1, characterized in that: The ironing device includes a base, a movable seat movably arranged on the base, a driving cylinder for driving the movable seat to move, a mounting member arranged on the movable seat, and a heating rod arranged on the mounting member. The mounting members are provided in plurality and are arranged at intervals along the length direction of the movable seat. The heating rod is arranged perpendicular to the mounting member and protrudes out of the movable seat.
7. The dental floss injection molding device according to claim 6, characterized in that: An adjustment groove is provided at one end of the mounting piece close to the movable seat, and a connecting groove used in conjunction with the adjustment groove is provided on the movable seat. The connecting groove is arranged along the length direction of the movable seat. A clamping groove and a connecting hole connected to the clamping groove are provided at one end of the mounting piece away from the movable seat. The mounting piece is clamped and fixed to the outer periphery of the heating rod by the clamping groove.