Bending mechanism for plastic elbow
By designing a bending mechanism for plastic elbows, heating with thermal conductor rods and heat-insulating discs, combined with adjustable bending blocks and clamping plates, the problems of cumbersome bending and poor adaptability after heating in the prior art are solved, and efficient and accurate plastic elbow bending operations are achieved.
Patent Information
- Application Number
- CN202422009470.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-19
AI Technical Summary
In the prior art, the bending operation of plastic elbows requires heating and then bending, which is complicated to operate and the clamping components are not suitable for plastic elbows of different specifications, resulting in reduced efficiency and effect.
A bending mechanism including heating assembly, driving assembly, bending assembly and clamping assembly is designed, and local heating is used to utilize the heat conducting rod and heat-insulating plate of the heating assembly for local heating, combined with adjustable bending blocks and clamping plates to achieve rapid heating and adaptation of plastic pipes of different specifications.
It improves the bending efficiency and adaptability of plastic elbows, reduces the bending steps after heating, enhances the clamping effect, and improves the bending accuracy and efficiency.
Smart Images
Figure CN223085397U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic elbow bending, in particular to a bending mechanism for plastic elbows. Background Art
[0002] Plastic pipes are plastic products with good corrosion resistance. To adapt to different installation environments, the elbows of plastic pipes often need to be processed into various bending angles. During the bending process of plastic pipes, a bending machine is required for operation. The bending machine mainly consists of a frame, an operating table, a bending arm, and a clamping component.
[0003] When using a bending machine to bend the elbow of a plastic pipe, it is necessary to first locally heat the plastic pipe at the elbow to soften the plastic pipe at the processing location, thereby facilitating the bending operation and preventing the plastic pipe from breaking during the bending of the elbow.
[0004] The inventor found the following problems in the prior art during the implementation of the present utility model: 1. When performing elbow bending operations on plastic pipes of different specifications, it is usually necessary to separately use a heating component to heat the elbow of the plastic pipe. After heating to an appropriate temperature, a bending mechanism is used for bending operations. The operation is relatively cumbersome, resulting in a reduction in the efficiency of plastic elbow bending operations; 2. When performing bending operations on plastic elbows of different specifications, the clamping component in the bending mechanism cannot be well adjusted according to the specifications of the plastic pipe, resulting in a reduction in the adaptability of the bending operation of the bending mechanism, thereby affecting the bending effect of the plastic elbow. Summary of the Utility Model
[0005] The purpose of the present utility model is to provide a bending mechanism for plastic elbows to solve the problems mentioned in the above background art that it is necessary to first heat the plastic elbow during the bending operation, the operation is relatively cumbersome, resulting in a reduction in the efficiency of the bending operation, and at the same time, the clamping component in the bending mechanism often cannot bend plastic elbows of different specifications well, resulting in a reduction in the bending effect of the plastic elbow. To achieve the above purpose, the present utility model provides the following technical solution: A bending mechanism for plastic elbows, including a heating component, a driving component is installed at the bottom of the heating component, a bending component is installed at the top of the driving component, and a clamping component is installed at one end of the heating component.
[0006] The heating component includes an operating table, a driving groove is embedded below the operating table, a heater is installed on the top of the operating table, a positioning groove is embedded on the top of the heater, a heat conducting rod is installed at the center of the top of the heater, a heat insulating disc penetrates through the outside of the heat conducting rod, a positioning bolt penetrates through the outside of the heat insulating disc, a bending abutment penetrates through the outside of the heat conducting rod, and a locking nut is threadedly connected to the top of the heat conducting rod.
[0007] The driving assembly includes a driving motor, a driving arm is drivingly connected to the top of the driving motor, a driving seat is installed at the top of the driving arm, a limiting groove is embedded inside the driving seat, and a hydraulic cylinder is installed at the bottom of the driving seat.
[0008] The bending assembly includes a limiting block, a hydraulic rod is installed at one end of the limiting block, an adjusting groove is embedded at the other end of the limiting block, a first adjusting motor is installed at the top of the limiting block, a first bidirectional threaded shaft is drivingly connected to the bottom of the first adjusting motor, adjusting plates are threadedly connected to both ends of the first bidirectional threaded shaft, a fixing screw penetrates through one end of the adjusting plate, a bending pressing block penetrates through the center of the fixing screw, and fixing nuts are threadedly connected to both ends of the fixing screw.
[0009] The clamping assembly includes a clamping seat, a clamping groove is embedded at the top of the clamping seat, a second adjusting motor is installed at one end of the clamping seat, a second bidirectional threaded shaft is drivingly connected to one end of the second adjusting motor, clamping rods are threadedly connected to both ends of the second bidirectional threaded shaft, a clamping plate is welded to the top of the clamping rod, and a heat absorption layer is arranged on one side of the clamping plate.
[0010] Further preferably, a plurality of annular positioning grooves are uniformly arranged at the top of the heater, and the positioning bolts penetrating through the outside of the heat insulation disc correspond to the positioning grooves.
[0011] Further preferably, the bending abutting block is a cylindrical structure with an arc-shaped annular embedded groove on the outside, the top of the heat conducting rod is provided with an external thread structure, and the locking nut is threadedly connected to the external thread structure and the top of the bending abutting block to form a fitting connection structure, and the bending abutting block is made of a metal heat conducting material.
[0012] Further preferably, the driving groove has an arc-shaped cross-sectional structure, the driving arm is rotationally connected to the driving groove through the top of the drivingly connected driving motor, and the top height of the driving seat is the same as the top height of the heater.
[0013] Further preferably, the limiting block is slidably connected inside the limiting groove, the first bidirectional threaded shaft is rotationally connected to the adjusting groove through the bottom of the drivingly connected first adjusting motor, and the adjusting plate is slidably connected to the adjusting groove through the threaded connection to both ends of the first bidirectional threaded shaft.
[0014] Further preferably, one side of the adjusting plate is arranged in a U-shaped structure, the bending pressing block is rotationally connected to one side of the adjusting plate through the center of the penetrating fixing screw, and the fixing nut is threadedly connected to both ends of the fixing screw and the two ends of the adjusting plate to form a fitting connection structure.
[0015] Further preferably, one end of the second double-threaded shaft, which is drivingly connected to the second adjusting motor, is rotationally connected to the clamping groove, and the clamping rods are slidably connected to the clamping groove by being threadedly connected to both ends of the second double-threaded shaft. Moreover, both the clamping plate and the heat absorption layer are arc-shaped structures, and the central height of the clamping plate is the same as that of the bending abutting block.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0017] In the present utility model, a heater is arranged at the bending abutting block, and the bending abutting block is heated by cooperating with a heat conduction rod to heat the elbow area of the plastic. At the same time, a heat insulation disc is arranged at the bottom to avoid heat dissipation, improve the heating effect on the plastic elbow, facilitate the bending operation of the bending mechanism on the heated and softened plastic, avoid the steps of first heating and then putting it into the bending mechanism for bending operation, and thus improve the bending operation efficiency of the plastic elbow.
[0018] In the present utility model, a bendable pressing block with adjustable angle is arranged inside and fixed by cooperating with a fixing nut and a fixing screw. At the same time, an adjusting plate with adjustable distance is arranged to facilitate the fitting of the outer surface of plastic pipes with different outer shape specifications, so as to cooperate with the bending abutting block for bending operation, improve the adaptability of the bending mechanism, and a heat absorption layer is arranged in the clamping assembly to reduce the heat conduction from the part of the plastic pipe heated by the heating assembly to the clamped part of the plastic pipe, affecting the clamping effect on the plastic pipe, and further improve the bending effect of the plastic elbow. Description of the Drawings
[0019] Figure 1 It is a front view structural schematic diagram of the present utility model;
[0020] Figure 2 It is an exploded structural schematic diagram of the heating assembly of the present utility model;
[0021] Figure 3 It is an enlarged structural schematic diagram of the driving assembly of the present utility model;
[0022] Figure 4 It is an exploded and enlarged structural schematic diagram of the bending assembly of the present utility model;
[0023] Figure 5 It is an exploded and enlarged structural schematic diagram of the clamping assembly of the present utility model.
[0024] In the figure: 1. Heating component; 101. Operating table; 102. Driving groove; 103. Heater; 104. Positioning groove; 105. Heat conducting rod; 106. Heat insulation disc; 107. Positioning bolt; 108. Bending abutting block; 109. Locking nut; 2. Driving component; 201. Driving motor; 202. Driving arm; 203. Driving seat; 204. Limiting groove; 205. Hydraulic cylinder; 3. Bending component; 301. Limiting block; 302. Hydraulic rod; 303. Adjusting groove; 304. First adjusting motor; 305. First bidirectional threaded shaft; 306. Adjusting plate; 307. Fixed screw; 308. Bending pressing block; 309. Fixed nut; 4. Clamping component; 401. Clamping seat; 402. Clamping groove; 403. Second adjusting motor; 404. Second bidirectional threaded shaft; 405. Clamping rod; 406. Clamping plate; 407. Heat absorption layer. Detailed implementation manner
[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0026] Please refer to Figures 1 to 5 , the present invention provides a technical solution: a bending mechanism for a plastic elbow, including a heating component 1, a driving component 2 is installed at the bottom of the heating component 1, a bending component 3 is installed on the top of the driving component 2, and a clamping component 4 is installed at one end of the heating component 1.
[0027] The heating component 1 includes an operating table 101, a driving groove 102 is embedded below the operating table 101, a heater 103 is installed on the top of the operating table 101, a positioning groove 104 is embedded on the top of the heater 103, a heat conducting rod 105 is installed at the center of the top of the heater 103, a heat insulation disc 106 penetrates through the outside of the heat conducting rod 105, a positioning bolt 107 penetrates through the outside of the heat insulation disc 106, a bending abutting block 108 penetrates through the outside of the heat conducting rod 105, and a locking nut 109 is threadedly connected to the top of the heat conducting rod 105.
[0028] The driving component 2 includes a driving motor 201, a driving arm 202 is drivingly connected to the top of the driving motor 201, a driving seat 203 is installed on the top of the driving arm 202, a limiting groove 204 is embedded inside the driving seat 203, and a hydraulic cylinder 205 is installed at the bottom of the driving seat 203.
[0029] The bending assembly 3 includes a limit block 301. One end of the limit block 301 is equipped with a hydraulic rod 302. The other end of the limit block 301 is internally embedded with an adjustment groove 303. The top of the limit block 301 is equipped with a first adjustment motor 304. The bottom of the first adjustment motor 304 is drivingly connected to a first bidirectional threaded shaft 305. Both ends of the first bidirectional threaded shaft 305 are threadedly connected to adjustment plates 306. One end of the adjustment plate 306 penetrates through a fixing screw 307. The center of the fixing screw 307 penetrates through a bending pressing block 308. Both ends of the fixing screw 307 are threadedly connected to fixing nuts 309.
[0030] The clamping assembly 4 includes a clamping seat 401. The top of the clamping seat 401 is internally embedded with a clamping groove 402. One end of the clamping seat 401 is equipped with a second adjustment motor 403. One end of the second adjustment motor 403 is drivingly connected to a second bidirectional threaded shaft 404. Both ends of the second bidirectional threaded shaft 404 are threadedly connected to clamping rods 405. The top of the clamping rod 405 is welded with a clamping plate 406. One side of the clamping plate 406 is provided with a heat absorption layer 407.
[0031] In this embodiment, as Figure 1 and Figure 2 shown, a plurality of annular positioning grooves 104 are uniformly arranged on the top of the heater 103, and the positioning bolts 107 penetrating through the outside of the heat insulation disc 106 correspond to the positioning grooves 104; by providing the heat insulation disc 106 to insulate the heat transferred by the heat conduction rod 105, reduce the heat loss, facilitate the heat to be absorbed by the plastic elbow in contact with the bending abutting block 108, and facilitate the subsequent bending operation of the plastic elbow.
[0032] In this embodiment, as Figure 1 and Figure 2 shown, the bending abutting block 108 is a cylindrical structure with an arc-shaped annular inner groove on the outside, and the top of the heat conduction rod 105 is provided with an external thread structure, and the locking nut 109 is threadedly connected to the external thread structure to form a fitting connection structure with the top of the bending abutting block 108. At the same time, the bending abutting block 108 is made of a metal heat-conducting material; by providing the arc-shaped annular inner groove structure, the bending abutting block 108 cooperates with the internal heat conduction rod 105 to conduct heat, heat the plastic pipe elbow in contact, avoid the cumbersome operation of first heating and then bending, facilitate the bending operation in time after heating is completed, and thus improve the bending efficiency of the plastic elbow.
[0033] In this embodiment, as Figure 1 and Figure 3As shown, the driving groove 102 has an arc-shaped cross-section structure, and the driving arm 202 is rotationally connected to the driving groove 102 through the top of the driving connection driving motor 201, and the top height of the driving seat 203 is the same as the top height of the heater 103; by setting the driving motor 201 to drive the driving arm 202 to rotate to perform a bending operation on the plastic elbow at the top, compared with the conventional manual bending operation, the bending accuracy of the plastic elbow can be better improved.
[0034] In this embodiment, as Figure 3 and Figure 4 shown, the limiting block 301 is slidably connected to the inside of the limiting groove 204, and the first bidirectional threaded shaft 305 is rotationally connected to the adjusting groove 303 through the bottom of the driving connection first adjusting motor 304, and the adjusting plate 306 is slidably connected to the adjusting groove 303 through the two ends of the threaded connection first bidirectional threaded shaft 305; by the way that the hydraulic cylinder 205 drives the hydraulic rod 302 to push the limiting block 301 to slide in the limiting groove 204 to cooperate with the bending pressing block 308 above to press the plastic pipe, and at the same time, the two adjustable adjusting plates 306 are convenient for fixing plastic pipes of different specifications, facilitating the bending operation of the bending mechanism.
[0035] In this embodiment, as Figure 1 and Figure 4 shown, one side of the adjusting plate 306 is set as a U-shaped structure, and the bending pressing block 308 is rotationally connected to one side of the adjusting plate 306 through the center of the penetrating fixing screw 307, and the fixing nut 309 is in a fitting connection structure with the two ends of the adjusting plate 306 through the threaded connection of the two ends of the fixing screw 307; the two angle-adjustable bending pressing blocks 308 are convenient for bending and pressing the plastic pipe, improving the adaptability of the bending mechanism, and can better perform the bending operation on the plastic elbow.
[0036] In this embodiment, as Figure 1 and Figure 5 shown, the second bidirectional threaded shaft 404 is rotationally connected to the clamping groove 402 through the driving connection of one end of the second adjusting motor 403, and the clamping rod 405 is slidably connected to the clamping groove 402 through the threaded connection of the two ends of the second bidirectional threaded shaft 404, and both the clamping plate 406 and the heat absorption layer 407 are arc-shaped structures, and at the same time, the center height of the clamping plate 406 is the same as the center height of the bending abutment 108; the adjustable clamping assembly 4 is used to clamp and fix one end of the plastic pipe, and the heat absorption layer 407 provided on one side of the clamping plate 406 absorbs the heat conducted by the heating assembly 1, avoiding the heat softening of the clamped part of the plastic pipe from affecting the clamping and fixing effect of the plastic pipe, and improving the bending effect of the bending mechanism.
[0037] Usage method and advantages of the present utility model: For the bending mechanism for plastic elbows, during use, the working process is as follows:
[0038] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, first, the operator selects the corresponding bending abutment block 108 according to the specifications of the plastic pipe to be bent; then, the heat insulation plate 106 and the bending abutment block 108 are inserted into the heat conduction rod 105 in sequence, and the positioning bolt 107 is used in cooperation with the positioning groove 104 to fix the heat insulation plate 106. At the same time, the locking nut 109 is used in cooperation with the external thread structure at the top of the heat conduction rod 105 to fix the bending abutment block 108. The plastic pipe is placed between the two clamping plates 406, and the plastic elbow is fitted with the groove of the bending abutment block 108. The second adjustment motor 403 is started to drive the second bidirectional threaded shaft 404 to rotate, driving the clamping plates 406 on the two clamping rods 405 to clamp the plastic pipe; then, the hydraulic cylinder 205 is started to drive the hydraulic rod 302 to drive the bending pressing block 308 at one end of the limiting block 301 to approach the elbow of the plastic pipe. The first adjustment motor 304 is started to drive the first bidirectional threaded shaft 305 to drive the two adjustment plates 306 to move, and cooperate with the rotatable bending pressing block 308 to fit with the elbow of the plastic pipe; finally, the heater 103 is started to heat the plastic pipe in cooperation with the heat conduction of the heat conduction rod 105 and the bending abutment block 108. After the heating is completed, the driving motor 201 is started to drive the driving arm 202 to rotate, which can drive the bending pressing block 308 at the top to bend the plastic pipe along the groove direction in cooperation with the bending abutment block 108.
[0039] The above shows and describes the basic principles, main features and advantages of the present utility model. Technical staff in this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A bending mechanism for a plastic elbow, comprising a heating assembly (1), characterized in that: A driving component (2) is installed at the bottom of the heating component (1), a bending component (3) is installed at the top of the driving component (2), and a clamping component (4) is installed at one end of the heating component (1). The heating component (1) includes an operating table (101), a driving groove (102) is embedded below the operating table (101), a heater (103) is installed at the top of the operating table (101), a positioning groove (104) is embedded at the top of the heater (103), a heat conducting rod (105) is installed at the center of the top of the heater (103), a heat insulation disc (106) penetrates through the outside of the heat conducting rod (105), a positioning bolt (107) penetrates through the outside of the heat insulation disc (106), a bending abutting block (108) penetrates through the outside of the heat conducting rod (105), and a locking nut (109) is threadedly connected to the top of the heat conducting rod (105). The driving component (2) includes a driving motor (201), a driving arm (202) is drivingly connected to the top of the driving motor (201), a driving seat (203) is installed at the top of the driving arm (202), a limiting groove (204) is embedded inside the driving seat (203), and a hydraulic cylinder (205) is installed at the bottom of the driving seat (203). The bending component (3) includes a limiting block (301), a hydraulic rod (302) is installed at one end of the limiting block (301), an adjusting groove (303) is embedded at the other end of the limiting block (301), a first adjusting motor (304) is installed at the top of the limiting block (301), a first bidirectional threaded shaft (305) is drivingly connected to the bottom of the first adjusting motor (304), adjusting plates (306) are threadedly connected to both ends of the first bidirectional threaded shaft (305), a fixing screw (307) penetrates through one end of the adjusting plate (306), a bending pressing block (308) penetrates through the center of the fixing screw (307), and fixing nuts (309) are threadedly connected to both ends of the fixing screw (307). The clamping component (4) includes a clamping seat (401), a clamping groove (402) is embedded at the top of the clamping seat (401), a second adjusting motor (403) is installed at one end of the clamping seat (401), a second bidirectional threaded shaft (404) is drivingly connected to one end of the second adjusting motor (403), clamping rods (405) are threadedly connected to both ends of the second bidirectional threaded shaft (404), a clamping plate (406) is welded to the top of the clamping rod (405), and a heat absorption layer (407) is arranged on one side of the clamping plate (406).
2. The bending mechanism for a plastic elbow according to claim 1, characterized in that: A plurality of annular positioning grooves (104) are uniformly arranged at the top of the heater (103), and the positioning bolts (107) penetrating through the outside of the heat insulation disc (106) correspond to the positioning grooves (104).
3. A bending mechanism for a plastic elbow according to claim 1, characterized in that: The bending abutting block (108) is a cylindrical structure with an arc-shaped annular embedded groove on the outside, and the top of the heat conducting rod (105) is provided with an external thread structure. The locking nut (109) is threadedly connected to the external thread structure and the top of the bending abutting block (108) to form a fitting connection structure. At the same time, the bending abutting block (108) is made of a metal heat conducting material.
4. A bending mechanism for a plastic elbow according to claim 1, characterized in that: The driving groove (102) is a structure with an arc-shaped cross-section, and the driving arm (202) is rotationally connected to the driving groove (102) through the top of the driving connection driving motor (201). The top height of the driving seat (203) is the same as the top height of the heater (103).
5. A bending mechanism for a plastic elbow according to claim 1, characterized in that: The limiting block (301) is slidably connected to the inside of the limiting groove (204). The first bidirectional threaded shaft (305) is rotationally connected to the adjusting groove (303) through the bottom of the driving connection first adjusting motor (304). The adjusting plate (306) is slidably connected to the adjusting groove (303) through the two ends of the threaded connection with the first bidirectional threaded shaft (305).
6. A bending mechanism for a plastic elbow according to claim 1, characterized in that: One side of the adjusting plate (306) is set as a U-shaped structure. The bending pressing block (308) is rotationally connected to one side of the adjusting plate (306) through the center of the through fixing screw (307). The fixing nut (309) is threadedly connected to the two ends of the fixing screw (307) and the two ends of the adjusting plate (306) to form a fitting connection structure.
7. A bending mechanism for a plastic elbow according to claim 1, characterized in that: The second bidirectional threaded shaft (404) is rotationally connected to the clamping groove (402) through the end of the driving connection second adjusting motor (403). The clamping rod (405) is slidably connected to the clamping groove (402) through the two ends of the threaded connection with the second bidirectional threaded shaft (404). Both the clamping plate (406) and the heat absorption layer (407) are arc-shaped structures. At the same time, the center height of the clamping plate (406) is the same as the center height of the bending abutting block (108).