Plastic cutting mechanism
Technical Field
The utility model relates to the field of plastic cutting, in particular to a plastic cutting mechanism.
Background
The plastic is an inorganic high molecular compound made of polymers such as synthetic resin, is usually in a solid state, can be processed into products with various shapes and purposes under certain conditions, has the advantages of light weight, good durability, easy processing, low cost and the like, is widely applied to modern industry and life, and needs to be cut off by a blade in the processing process so as to reach the corresponding size;
when the plastic is cut off, a large cutting force is required to be applied to cut and cut off, so that the cutting edge and the cutting edge of the blade are easy to abrade and deform, the service life and the processing quality of materials are reduced, and plastic molecules are hardened when the plastic is strongly stretched during cutting off, so that burrs and uneven phenomena are easily generated at the cutting off of the slice opening, the appearance quality and the processing efficiency of the slice opening are influenced, and scraps are easily attached to the blade during cutting off of the plastic, so that the use effect of the slice opening is influenced.
In order to solve the above problems, a plastic cutting mechanism is provided in the present application.
Disclosure of Invention
Based on the technical problems in the background technology, the utility model provides a plastic cutting mechanism.
The utility model provides a plastic cutting mechanism, which comprises a base;
the device comprises a base, a support frame, an assembly block, a first driving piece, a cutter disc and a second driving piece, wherein the support frame is arranged on the base;
install the U type piece that is located the position above the blade disc on the support frame, set up the U type opening that is used for supplying the blade disc to come in and go out in the U type piece, install two scraping pieces that are located the U type opening and be used for driving two scraping pieces and be close to each other or the actuating mechanism who keeps away from on the U type piece, and scrape the material piece and be used for the blade disc surface to scrape the material.
Preferably, the heating element comprises a heating wire, an annular groove is formed in the side face of the cutter head, and the heating wire is arranged in the annular groove.
Preferably, the scraping piece comprises a bar block, a connecting rod is arranged in the U-shaped opening, two ends of the connecting rod are respectively connected with two side inner walls of the U-shaped block, the two bar blocks are all sleeved on the connecting rod in a sliding mode, the two bar blocks are arranged on one opposite side of each bar block, a clamping block is arranged on each scraping block, a clamping groove matched with the clamping block is formed in each bar block, and the clamping blocks are clamped in the clamping grooves.
Preferably, the driving mechanism comprises a first servo motor and a threaded rod, the threaded rod is arranged in the U-shaped opening and is arranged in parallel with the connecting rod, two ends of the threaded rod are respectively connected with the inner walls of two sides of the U-shaped block in a rotating mode, the two threaded rods are connected with the two threaded rods in a threaded fit mode, the first servo motor is arranged on the side face of the U-shaped block, and the output end of the first servo motor is connected with one end of the threaded rod.
Preferably, the first driving member comprises a cylinder, the cylinder is mounted at the top of the supporting frame, and the assembly block is mounted at the driving end of the cylinder and driven by the cylinder to approach or depart from the base.
Preferably, the second driving piece comprises a second servo motor, the cutter head is rotationally connected to the side face of the assembly block, an installation groove is formed in the assembly block, the second servo motor is installed in the installation groove, and the output end of the second servo motor is connected with the axis of the cutter head.
The technical scheme of the utility model has the following beneficial technical effects:
through the heating piece that sets up, accessible heating piece heats the blade disc, then can place the plastics that need cut on the base, accessible second driving piece drive blade disc is rotatory afterwards, and it is close to plastics to drive the assembly piece through first driving piece, the blade disc on the accessible assembly piece cuts plastics, because the blade disc is heated, can make its surface temperature rise, thereby reduce the viscosity and the hardness of plastics, make it cut more easily and cut, cut efficiency has been improved, it can improve cutting speed and precision to heat the blade disc, unevenness and deckle edge on plastics surface are reduced simultaneously, make the quality of cutting finer and more pleasing to the eye, and play certain guard action to the blade disc, prevent its wearing and tearing or deformation.
After cutting off plastics through scraping the material spare that sets up, because the blade disc is heated the back, the sweeps on the plastics are easy to be attached to on the blade disc, in the blade disc that accessible first driving piece drive assembly piece was gone into the U type opening of seting up in the U type piece, then accessible actuating mechanism drive two scrape the material spare and be close to each other or keep away from for two scrape the material spare and can laminate with the blade disc, when the rotatory time of second driving piece drive blade disc, can make the sweeps of attaching on the blade disc scraped by scraping the material spare, this structure is convenient for clear up the sweeps of attaching on the blade disc.
Drawings
Fig. 1 is a schematic structural diagram of a plastic cutting mechanism according to the present utility model.
Fig. 2 is a schematic partial structure of a plastic cutting mechanism according to the present utility model.
Fig. 3 is a schematic diagram of a three-dimensional structure of an assembly block and a cutterhead in the plastic cutting mechanism.
Reference numerals: 1. a base; 2. a support frame; 3. a mounting block; 4. a cutterhead; 5. a U-shaped block; 6. a scraping piece; 61. a bar; 62. scraping a material block; 63. a clamping block; 7. a driving mechanism; 71. a first servo motor; 72. a threaded rod; 8. a connecting rod; 9. a heating wire; 10. a cylinder; 11. and a second servo motor.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1-3, the plastic cutting mechanism provided by the utility model comprises a base 1;
in this embodiment, a support frame 2 is mounted on a base 1, and an assembly block 3 located above the base 1 and a first driving member for driving the assembly block 3 to approach or depart from the base 1 are mounted on the support frame 2. The first driving piece comprises a cylinder 10, the cylinder 10 is arranged at the top of the supporting frame 2, and the assembly block 3 is arranged at the driving end of the cylinder 10 and is driven by the cylinder 10 to approach or depart from the base 1. The cutter head 4 and a second driving member for driving the cutter head 4 to rotate are mounted on the mounting block 3. The second driving piece comprises a second servo motor 11, the cutter head 4 is rotationally connected to the side face of the assembly block 3, an installation groove is formed in the assembly block 3, the second servo motor 11 is installed in the installation groove, and the output end of the second servo motor 11 is connected with the axis of the cutter head 4.
In this embodiment, the cutter head 4 is provided with a heating member for heating itself. The heating element comprises a heating wire 9, an annular groove is formed in the side face of the cutter disc 4, and the heating wire 9 is arranged in the annular groove.
It should be noted that:
when the cutter disc 4 is used, in order to cut plastics conveniently, burrs are prevented from occurring, the cutter disc 4 can be heated through the heating wire 9, then the plastics to be cut can be placed on the base 1, then the cutter disc 4 on the assembly block 3 can be driven to rotate through the second servo motor 11, the assembly block 3 is driven to approach the plastics through the air cylinder 10, the cutter disc 4 on the assembly block 3 cuts the plastics, the surface temperature of the cutter disc 4 can be increased due to the fact that the cutter disc 4 is heated, the viscosity and the hardness of the plastics are reduced, the cutter disc 4 is easier to cut and cut, the cutting efficiency is improved, the cutting speed and the cutting precision can be improved through the heating of the cutter disc 4, meanwhile, the unevenness and the burrs on the surface of the plastics are reduced, the cutting quality is finer and attractive, a certain protection effect is achieved on the cutter disc 4, and abrasion or deformation of the cutter disc 4 is prevented.
In a further embodiment, a U-shaped block 5 positioned above the cutterhead 4 is mounted on the support frame 2, a U-shaped opening for the cutterhead 4 to come in and go out is formed in the U-shaped block 5, two scraping pieces 6 positioned in the U-shaped opening and a driving mechanism 7 for driving the two scraping pieces 6 to approach or separate from each other are mounted on the U-shaped block 5, and the scraping pieces 6 are used for scraping materials on the surface of the cutterhead 4. The scraping piece 6 comprises strip blocks 61, a connecting rod 8 is arranged in the U-shaped opening, two ends of the connecting rod 8 are respectively connected with two side inner walls of the U-shaped block 5, two strip blocks 61 are respectively and slidably sleeved on the connecting rod 8, a scraping block 62 is arranged on one side opposite to the two strip blocks 61, a clamping block 63 is mounted on the scraping block 62, a clamping groove matched with the clamping block 63 is formed in the strip block 61, and the clamping block 63 is clamped in the clamping groove. The actuating mechanism 7 includes first servo motor 71, threaded rod 72, and threaded rod 72 sets up in U type opening and with connecting rod 8 parallel arrangement, and the both ends of threaded rod 72 rotate with the both sides inner wall of U type piece 5 respectively and be connected, and two pieces 61 all are connected with threaded rod 72 screw-thread fit, and first servo motor 71 installs in the side of U type piece 5, and the output of first servo motor 71 is connected with the one end of threaded rod 72.
It should be noted that:
when the cutter disc 4 is used, in order to facilitate cleaning of scraps attached to the cutter disc 4, after the plastic is cut off, the scraps attached to the cutter disc 4 are easy to attach to the cutter disc 4 after the cutter disc 4 is heated, the cutter disc 4 on the assembly block 3 can be driven by the air cylinder 10 to enter a U-shaped opening formed in the U-shaped block 5, the cutter disc 4 is placed between the two scraping blocks 62, then the first servo motor 71 can drive the threaded rod 72 to rotate, the two bar blocks 61 can be mutually close to or far away from each other on the connecting rod 8, the scraping blocks 62 on the two bar blocks 61 can be attached to the cutter disc 4, when the cutter disc 4 is driven by the second servo motor 11 to rotate, the scraps attached to the cutter disc 4 can be scraped by the scraping blocks 62, and the cutter disc 4 is convenient to clean the scraps attached to the cutter disc 4.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.