A composite plastic pipe fitting forming and processing equipment

Abstract

The application discloses a kind of composite plastic pipe fittings forming processing equipment, comprising: cooling setting groove, filtering mechanism, cutting mechanism and compacting mechanism;Cooling setting groove is excavated with multiple cooling water discharge holes in one end;Filtering mechanism is installed in one end of cooling setting groove, filtering mechanism includes flow guide support frame and filter frame, flow guide support frame is fixed on cooling setting groove, and flow guide support frame is excavated with water inlet groove on, filter frame is excavated with multiple evenly distributed filter holes in bottom;Cutting mechanism is arranged in one side of cooling setting groove, cutting mechanism includes cutting table, fixed support frame and push cutting assembly, cutting table is excavated with cutting groove, and cutting table is excavated with placing arc groove;Compact mechanism includes support horizontal plate, lower pressure block and a pair of shrink column leg.The application is set up by corresponding mechanism, water flow can be circulated and flow up, so as to avoid water temperature rising after using for a period of time, and then the forming effect and efficiency of pipe fitting will not be affected, and pipe fitting quality will not be reduced.

Description

Technical Field

[0001] This invention belongs to the field of plastic pipe fitting molding technology, and specifically relates to a composite plastic pipe fitting molding and processing equipment. Background Technology

[0002] Composite plastic pipe fittings are pipe fittings based on a composite structure of metal and thermoplastic plastic. The inner lining of composite plastic pipe fittings is made of non-metallic materials such as polypropylene, polyethylene, or welded cross-linked polyethylene. Composite plastic pipe fittings have advantages such as temperature and pressure resistance, tensile and impact resistance, heat insulation, convenient installation, and low production cost. Therefore, they are widely used in oil and natural gas transportation, mining pipes, drainage pipes, cold water pipes and other fields.

[0003] Composite plastic pipe fittings are co-extruded from a reinforcing skeleton layer and a thermoplastic matrix. After extrusion, the overall temperature of the pipe blank can reach 180–230℃, placing it in a highly elastic molten state. A water-cooling system is essential for rapid and uniform cooling and shaping to ensure dimensional accuracy, interlayer bonding strength, and long-term stability. However, existing water-cooling systems lack circulation mechanisms, resulting in a constant water flow. Consequently, after a period of use, the water temperature rises, reducing the cooling effect on the pipe fittings and impacting the molding process and efficiency.

[0004] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a composite plastic pipe fitting molding and processing equipment. Summary of the Invention

[0005] The purpose of this invention is to provide a composite plastic pipe forming and processing equipment that can solve the problem of poor performance of existing composite plastic pipe water-cooled forming devices.

[0006] To achieve the above objectives, a specific embodiment of the present invention provides the following technical solution:

[0007] A composite plastic pipe fitting molding and processing equipment includes: a cooling and shaping tank, a filtering mechanism, a cutting mechanism, and a pressing mechanism;

[0008] Multiple cooling water discharge holes are drilled at one end of the cooling and shaping groove;

[0009] The filtration mechanism is installed at one end of the cooling and shaping tank. The filtration mechanism includes a flow guide support frame and a filter frame. The flow guide support frame is fixed on the cooling and shaping tank, and a water inlet groove is cut on the flow guide support frame. Multiple evenly distributed filter holes are cut at the bottom of the filter frame.

[0010] The cutting mechanism is located on one side of the cooling and shaping groove. The cutting mechanism includes a cutting table, a fixed support frame, and a push-cutting assembly. A cutting groove is chiseled on the cutting table. The fixed support frame is fixedly installed on the cutting table. The push-cutting assembly is installed on the fixed support frame. An arc groove is chiseled on the cutting table.

[0011] The clamping mechanism is installed on the cutting table. The clamping mechanism includes a support plate, a lower pressure block and a pair of retractable columns. The lower pressure block is fixed to the support plate, and the pair of retractable columns are slidably disposed on the support plate.

[0012] In one or more embodiments of the present invention, the bottom of the cooling and shaping tank and the cutting table are each fixed with a plurality of support columns for supporting and fixing the cooling and shaping tank and the cutting table, so that the cooling and shaping tank and the cutting table will not shake or tilt, ensuring the stability of the pipe fitting during cooling, shaping and cutting, and improving the molding quality of the plastic pipe fitting.

[0013] In one or more embodiments of the present invention, a plurality of rotating shafts are fixed in the cooling and shaping tank, and auxiliary rollers are rotatably connected to each of the plurality of rotating shafts. The auxiliary rollers are supported and fixed by the rotating shafts, and the auxiliary rollers can rotate freely. Thus, the plastic pipe can be guided by the plurality of auxiliary rollers, so that the plastic pipe can fall into the water flow in the cooling and shaping tank, and the plastic pipe can be quickly cooled and formed.

[0014] In one or more embodiments of the present invention, a circulating water pump is provided below the cooling and shaping tank. A fixed support column is fixedly connected between the circulating water pump and the cooling and shaping tank. A water pumping pipe and a water delivery pipe are fixedly connected to the circulating water pump. The other end of the water pumping pipe is connected to the flow guide support frame, and the other end of the water delivery pipe is connected to the cooling and shaping tank. By starting the circulating water pump, the water pumping pipe can draw water out of the flow guide support frame and then deliver it to the cooling and shaping tank through the water delivery pipe. This facilitates the circulation of water flow, avoids excessively high water temperature in the cooling and shaping tank, and thus does not affect the cooling and shaping efficiency of the pipe fittings. Furthermore, by setting the water delivery pipe to be relatively long, the water flow can be cooled for a sufficient time during circulation, thereby preventing the cooling water temperature in the cooling and shaping tank from becoming too high.

[0015] In one or more embodiments of the present invention, a pair of limiting support blocks are fixed inside the flow guide support frame, and the filter frame is disposed on the pair of limiting support blocks to support the filter frame, making it difficult for the filter frame to move downwards, thereby facilitating the water flow from the flow guide support frame to be drawn out by the water pump. A lifting rod is fixed inside the filter frame for pulling the filter frame, facilitating the upward movement of the filter frame. Preferably, the filter frame is tightly connected to the flow guide support frame, making it difficult for the filter frame to slide up and down inside the flow guide support frame, so that the filter frame can seal the water inlet tank and multiple cooling water outlet holes after being raised, thereby preventing water leakage when the device is not in use.

[0016] In one or more embodiments of the present invention, the push-cutting assembly includes: a push cylinder, a drive motor, and a cutting blade; the push cylinder is disposed on one side of the fixed support frame; the drive motor is fixedly connected to the lower end of the push cylinder; the cutting blade is mounted on the output end of the drive motor, and a protective cover is fixedly mounted on the cutting blade. The push cylinder controls the lifting and lowering movement of the drive motor, which in turn drives the cutting blade to rotate, thus facilitating the cutting of plastic pipes. Furthermore, the protective cover protects the cutting blade, reducing the probability of injury to workers.

[0017] In one or more embodiments of the present invention, a fixed support block is fixed on the fixed support frame, the push-cutting assembly is fixedly installed on the fixed support block, and a pair of column leg shrinkage grooves are chiseled on the cutting table so that a pair of shrinkage columns can be inserted, thereby allowing the pressing block to press and fix the pipe fitting for easy cutting. Multiple evenly distributed limiting teeth are fixed on the inner wall of each pair of column leg shrinkage grooves. The limiting teeth can block the fixing teeth, so that the shrinkage columns will not rise after being pressed down, and thus will not release the fixation of the pipe fitting.

[0018] In one or more embodiments of the present invention, a handle is fixed on the support plate for easy pulling of the support plate and for easy operation by the staff. Multiple evenly distributed fixing teeth are provided on each pair of retractable column legs. Through cooperation with the limiting teeth, the support plate and the lower pressure block will not loosen and rise after being pressed down, and thus will not release the fixation of the plastic pipe.

[0019] In one or more embodiments of the present invention, a pair of limiting grooves are chiseled in the supporting horizontal plate to provide space for the sliding of the limiting slider, thereby allowing the limiting slider and the retractable column leg to have a certain range of movement. The limiting slider is slidably arranged in the limiting groove, and the retractable column leg is fixed to the bottom of the limiting slider. The limiting slider supports the retractable column leg and has the function of driving the retractable column leg to move. By driving the retractable column leg away from the limiting teeth, the fixing teeth are no longer blocked by the limiting teeth, making it convenient for the supporting horizontal plate to rise and no longer fix the plastic pipe.

[0020] In one or more embodiments of the present invention, a drive screw is threadedly connected to the limiting slider, and a rotating block is fixed to one end of the drive screw to drive the drive screw to rotate, thereby driving the limiting slider to move, and then driving the retractable column leg to move. Fixed bearings are fixedly connected between both ends of the drive screw and the supporting cross plate to fix the drive screw, prevent the drive screw from falling off, and allow the drive screw to rotate freely without being easily affected.

[0021] Compared with the prior art, the present invention enables the water flow to circulate through the setting of the corresponding mechanism, thereby avoiding the water temperature from rising after a period of use, thus not affecting the forming effect and efficiency of the pipe fitting, and not reducing the quality of the pipe fitting. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a perspective view of a composite plastic pipe forming and processing equipment according to an embodiment of the present invention;

[0024] Figure 2 This is a partial structural schematic diagram of a composite plastic pipe fitting molding and processing equipment according to one embodiment of the present invention;

[0025] Figure 3 This is a partial structural cross-sectional view of a composite plastic pipe fitting molding and processing equipment according to an embodiment of the present invention;

[0026] Figure 4 for Figure 3 The structural diagram shown at point A in the middle;

[0027] Figure 5 This is a schematic diagram of the cutting mechanism in one embodiment of the present invention;

[0028] Figure 6 This is a cross-sectional view of the clamping mechanism in one embodiment of the present invention;

[0029] Figure 7 for Figure 6 The structural diagram shown at point B in the middle.

[0030] Explanation of key figure labels:

[0031] 1-Cooling and shaping tank, 101-Support column leg, 102-Auxiliary roller, 103-Circulating water pump, 104-Water delivery pipe, 105-Fixed support column, 106-Cooling water discharge hole, 2-Filtration mechanism, 201-Guide support frame, 202-Filter frame, 203-Filter hole, 204-Limiting support block, 205-Lifting rod, 206-Water inlet tank, 3-Cutting mechanism, 301-Cutting table, 302-Placement arc groove, 303-Fixed support frame, 304 - Fixed support block, 305 - Push cylinder, 306 - Protective cover, 307 - Cutting blade, 308 - Cutting groove, 309 - Drive motor, 310 - Column leg retraction groove, 311 - Limiting tooth, 4 - Pressing mechanism, 401 - Support plate, 402 - Lowering block, 403 - Retracting column leg, 404 - Fixed clamping tooth, 405 - Handle, 406 - Limiting slide groove, 407 - Limiting slider, 408 - Drive screw, 409 - Rotating block, 410 - Fixed bearing. Detailed Implementation

[0032] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0033] like Figures 1-7 As shown, a composite plastic pipe forming and processing equipment according to one embodiment of the present invention includes: a cooling and shaping tank 1, a filtering mechanism 2, a cutting mechanism 3, and a pressing mechanism 4.

[0034] like Figures 1-7As shown, one end of the cooling and shaping tank 1 has multiple cooling water discharge holes 106. These holes allow water to flow out of the cooling and shaping tank 1, facilitating water circulation and preventing excessively high water temperatures. A filter mechanism 2 is installed at one end of the cooling and shaping tank 1. The filter mechanism 2 includes a flow guide support frame 201 and a filter frame 202. The flow guide support frame 201 is fixed to the cooling and shaping tank 1 and has a water inlet groove 206. The bottom of the filter frame 202 has multiple evenly distributed filter holes 203. The filter frame 202 and filter holes 203 filter the water flow, preventing impurities from continuing to flow downstream and reducing the risk of pipe blockage.

[0035] like Figures 1-7 As shown, the cutting mechanism 3 is located on one side of the cooling and shaping tank 1. The cutting mechanism 3 includes a cutting table 301, a fixed support frame 303, and a push-cutting assembly. A cutting groove 308 is carved on the cutting table 301. The fixed support frame 303 is fixedly installed on the cutting table 301. The push-cutting assembly is installed on the fixed support frame 303. An arc groove 302 is carved on the cutting table 301. The clamping mechanism 4 is installed on the cutting table 301. The clamping mechanism 4 includes a supporting horizontal plate 401, a lower pressing block 402, and a pair of retractable columns 403. The lower pressing block 402 is fixed on the supporting horizontal plate 401, and the pair of retractable columns 403 are slidably disposed on the supporting horizontal plate 401.

[0036] Specifically, the pipe fitting is laid flat on the placement arc groove 302, and then pressed down and fixed by the support plate 401 and the pressure block 402, so that the plastic pipe fitting will no longer move. Then, the pipe fitting is cut into a fixed length by the push-cutting assembly, which facilitates subsequent transportation and storage.

[0037] In addition, multiple support legs 101 are fixed at the bottom of both the cooling and shaping tank 1 and the cutting table 301 to support and fix the cooling and shaping tank 1 and the cutting table 301, so that the cooling and shaping tank 1 and the cutting table 301 will not shake or tilt, ensuring the stability of the pipe fitting during cooling, shaping and cutting, and improving the molding quality of the plastic pipe fitting.

[0038] like Figures 1-3 As shown, multiple rotating shafts are fixed inside the cooling and shaping tank 1, and auxiliary rollers 102 are rotatably connected to each of the multiple rotating shafts. The rotating shafts support and fix the auxiliary rollers 102, allowing them to rotate freely. This allows the multiple auxiliary rollers 102 to guide the plastic tubes, enabling them to fall into the water flow within the cooling and shaping tank 1, thus allowing the plastic tubes to cool and solidify rapidly.

[0039] like Figures 1-3As shown, a circulating water pump 103 is installed below the cooling and shaping tank 1. A fixed support column 105 is fixedly connected between the circulating water pump 103 and the cooling and shaping tank 1. A water suction pipe and a water delivery pipe 104 are fixedly connected to the circulating water pump 103. The other end of the water suction pipe is connected to the flow guide support frame 201, and the other end of the water delivery pipe 104 is connected to the cooling and shaping tank 1. By starting the circulating water pump 103, the water suction pipe can draw water out of the flow guide support frame 201 and then deliver it to the cooling and shaping tank 1 through the water delivery pipe 104. This facilitates the circulation of water flow, prevents the water temperature in the cooling and shaping tank 1 from becoming too high, and thus does not affect the cooling and shaping efficiency of the pipe fittings. Furthermore, by setting the water delivery pipe 104 to be relatively long, the water flow can be cooled for a sufficient amount of time during circulation, thereby preventing the temperature of the cooling water in the cooling and shaping tank 1 from becoming too high.

[0040] like Figures 1-4 As shown, a pair of limiting support blocks 204 are fixed inside the flow guide support frame 201. The filter frame 202 is mounted on the pair of limiting support blocks 204 to support the filter frame 202, preventing it from moving downwards and facilitating the extraction of water from the flow guide support frame 201 by the water pump. A lifting rod 205 is fixed inside the filter frame 202 to pull it up and move it. Preferably, the filter frame 202 is tightly connected to the flow guide support frame 201, preventing it from sliding up and down within the frame. This allows the filter frame 202 to block the inlet tank 206 and multiple cooling water outlet holes 106 after being raised, thus preventing water leakage when the device is not in use.

[0041] like Figures 1-5 As shown, the push-cutting assembly includes: a push cylinder 305, a drive motor 309, and a cutting blade 307. The push cylinder 305 is disposed on one side of the fixed support frame 303; the drive motor 309 is fixedly connected to the lower end of the push cylinder 305; the cutting blade 307 is mounted on the output end of the drive motor 309. A protective cover 306 is fixedly mounted on the cutting blade 307. The push cylinder 305 controls the lifting and lowering movement of the drive motor 309, which in turn drives the cutting blade 307 to rotate, facilitating the cutting of plastic pipes. The protective cover 306 protects the cutting blade 307, reducing the probability of injury to workers.

[0042] like Figures 1-5As shown, a fixed support block 304 is fixed on the fixed support frame 303, and the push-cutting assembly is fixedly installed on the fixed support block 304. A pair of column leg shrinkage grooves 310 are chiseled on the cutting table 301. This allows the pair of shrinkage columns 403 to be inserted, thereby enabling the pressing block 402 to press and fix the pipe fitting, facilitating cutting. Multiple evenly distributed limiting teeth 311 are fixed on the inner walls of the pair of column leg shrinkage grooves 310. The limiting teeth 311 can block the fixing teeth 404, so that the shrinkage columns 403 will not rise after being pressed down, thus preventing the fixing of the pipe fitting from being released.

[0043] like Figures 1-7 As shown, a handle 405 is fixed on the support plate 401 for easy pulling of the support plate 401, which facilitates the operation of the staff. Multiple evenly distributed fixing teeth 404 are provided on each pair of retractable column legs 403. Through cooperation with the limiting teeth 311, the support plate 401 and the lower pressure block 402 will not loosen and rise after being pressed down, thus preventing the fixation of the plastic pipe from being released.

[0044] like Figures 1-7 As shown, a pair of limiting grooves 406 are carved in the support plate 401 to provide space for the sliding of the limiting slider 407, thereby allowing the limiting slider 407 and the retractable column leg 403 to have a certain amount of movement space. The limiting slider 407 is slidably installed in the limiting groove 406, and the retractable column leg 403 is fixed to the bottom of the limiting slider 407. The limiting slider 407 supports the retractable column leg 403 and has the function of driving the retractable column leg 403 to move. By driving the retractable column leg 403 away from the limiting tooth 311, the fixing tooth 404 is no longer blocked by the limiting tooth 311, which facilitates the return of the support plate 401 and eliminates the need to fix the plastic pipe.

[0045] like Figures 1-7 As shown, a drive screw 408 is threadedly connected to the limiting slider 407. A rotating block 409 is fixed to one end of the drive screw 408 to drive the drive screw 408 to rotate, thereby driving the limiting slider 407 to move, and in turn driving the retractable column leg 403 to move. Fixed bearings 410 are fixedly connected to both ends of the drive screw 408 and the supporting cross plate 401 to fix the drive screw 408, prevent the drive screw 408 from falling off, and allow the drive screw 408 to rotate freely without being easily affected.

[0046] In practical use, the extruded plastic tube is first passed through one of the auxiliary rollers 102 and then falls into the cooling water in the cooling and shaping tank 1. Then, through multiple auxiliary rollers 102, the plastic tube can be kept in the water flow to cool and shape it quickly. Then, the tube is placed in the placement arc groove 302 and located between the lower pressure block 402 and the cutting table 301.

[0047] Furthermore, when the pipe passes through the water flow, the circulating water pump 103 is activated to draw the water out of the guide support frame 201 and then transport it through the delivery water pipe 104. Finally, the water enters the cooling and shaping tank 1, allowing the water in the cooling and shaping tank 1 to flow back into the guide support frame 201 from the cooling water outlet 106, thus circulating the water. Moreover, the water can also dissipate heat and cool down in the delivery water pipe 104, so that the water temperature in the cooling and shaping tank 1 will not be too high. When the water flows into the guide support frame 201, it can also be filtered through the filter frame 202 and the filter hole 203, so that impurities are not easy to continue to flow downward, thus preventing the pipe from being blocked. The operator can remove the filter frame 202 by pulling the lifting rod 205, and then easily and quickly clean the impurities in the filter frame 202, which is convenient for operation.

[0048] When the pipe is moved onto the placement groove 302, the support plate 401 is pressed down first. The pressing block 402 can press the pipe onto the cutting table 301. The limiting tooth 311 and the fixing tooth 404 prevent the support plate 401 and the pressing block 402 from rising. Then, the drive motor 309 is started to drive the cutting blade 307 to rotate. The push cylinder 305 controls the device to move downward to cut the pipe. After the cutting is completed, the push cylinder 305 drives the cutting blade 307 to rise. Then, the rotating block 409 is rotated, which drives the drive screw 408 to rotate. This drives the limiting slider 407 and the retractable column leg 403 to move, so that the fixing tooth 404 is no longer blocked by the limiting tooth 311. At this time, the support plate 401 can be pulled up and no longer presses the pipe.

[0049] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A composite plastic pipe fitting molding and processing equipment, characterized in that, include: A cooling and shaping tank, one end of which is drilled with multiple cooling water discharge holes; A filtration mechanism is installed at one end of the cooling and shaping tank. The filtration mechanism includes a flow guide support frame and a filter frame. The flow guide support frame is fixed on the cooling and shaping tank, and a water inlet groove is cut into the flow guide support frame. Multiple evenly distributed filter holes are cut into the bottom of the filter frame. A cutting mechanism is provided on one side of the cooling and shaping tank. The cutting mechanism includes a cutting table, a fixed support frame, and a push-cutting assembly. A cutting groove is carved on the cutting table. The fixed support frame is fixedly installed on the cutting table. The push-cutting assembly is installed on the fixed support frame. An arc groove is carved on the cutting table. A clamping mechanism is installed on the cutting table. The clamping mechanism includes a support plate, a lower pressure block, and a pair of retractable columns. The lower pressure block is fixed to the support plate, and the pair of retractable columns are slidably disposed on the support plate.

2. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, The bottom of both the cooling and shaping tank and the cutting table is fixed with multiple support columns.

3. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, Multiple rotating shafts are fixed inside the cooling and shaping tank, and auxiliary rollers are rotatably connected to each of the multiple rotating shafts.

4. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, A circulating water pump is installed below the cooling and shaping tank. A fixed support column is fixedly connected between the circulating water pump and the cooling and shaping tank. A water pumping pipe and a water delivery pipe are fixedly connected to the circulating water pump. The other end of the water pumping pipe is connected to the flow guide support frame, and the other end of the water delivery pipe is connected to the cooling and shaping tank.

5. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, A pair of limiting support blocks are fixed inside the flow guide support frame, the filter frame is disposed on the pair of limiting support blocks, and a lifting rod is fixed inside the filter frame.

6. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, The push-cutting assembly includes: A push cylinder is located on one side of the fixed support frame; A drive motor is fixedly connected to the lower end of the push cylinder; A cutting blade is mounted on the output end of the drive motor, and a protective cover is fixedly mounted on the cutting blade.

7. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, A fixed support block is fixed on the fixed support frame, and the push-cutting assembly is fixedly installed on the fixed support block. A pair of column leg contraction grooves are chiseled on the cutting table, and multiple evenly distributed limiting teeth are fixed on the inner wall of each pair of column leg contraction grooves.

8. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, A handle is fixed to the support plate, and multiple evenly distributed fixing teeth are provided on each pair of retractable column legs.

9. The composite plastic pipe fitting molding and processing equipment according to claim 1, characterized in that, A pair of limiting grooves are carved inside the supporting cross plate, and a limiting slider is slidably arranged in the limiting groove. The retractable column leg is fixed to the bottom of the limiting slider.

10. A composite plastic pipe fitting molding and processing equipment according to claim 9, characterized in that, The limiting slider is threadedly connected to a drive screw, one end of which is fixed with a rotating block, and both ends of the drive screw are fixedly connected to the supporting cross plate with fixed bearings.

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