Full-automatic core pulling machine

By designing a fully automatic core extractor, using supporting frames, sliding mechanisms and telescopic mechanisms, automatic clamping and unloading of pipe fittings is achieved, solving the problem of manual fixing and unloading efficiency in the prior art, and improving the automation level of the core extractor.

CN222971410UActive Publication Date: 2025-06-13KUNSHAN SHENGDA RETAINER CO LTD
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Patent Information

Application Number
CN202421874800.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-06-13
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing core extractors require manual fixation of pipe fittings during the core extraction process, and the unloading process after the core extraction is completed also requires manual operation, resulting in low usage efficiency and poor automation effect.

Method used

A fully automatic core extraction machine is designed, which adopts components such as support frame, sliding mechanism, telescopic mechanism and clamping block. The second clamping block is moved through the third telescopic mechanism, and the clamping plate clamps both ends of the pipe fittings, and the third telescopic mechanism lifts and lowers the feeding plate, realizing automatic clamping and unloading of the pipe fittings.

Benefits of technology

It realizes automatic clamping and unloading of pipe fittings, saves manpower, and improves the core extraction efficiency and the full automation efficiency of the core extraction machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, the full-automatic core pulling machine is characterized in that the full-automatic core pulling machine comprises a supporting frame, the output ends of two sets of fourth telescopic mechanisms are both in transmission connection with discharging plates, clamping plates are slidably connected into two fixing columns, guide holes are formed in the clamping plates, the side face of the supporting frame is fixedly connected with a material storage frame, and the side face of the material storage frame is fixedly connected with a conveying belt. The side face of the storage frame is fixedly connected with a feeding plate, a second clamping block can move through a third telescopic mechanism, the two ends of a pipe fitting can be clamped and fixed through the second clamping block and a clamping plate, then manual fixing is not needed, manpower is saved, two discharging plates can ascend and descend through two sets of fourth telescopic mechanisms, and the efficiency is improved. The pipe fitting placed in the placing groove can be lifted through the two discharging plates, the pipe fitting subjected to core pulling machining can be discharged conveniently, the core pulling efficiency of the pipe fitting can be improved, and the full-automatic efficiency of the core pulling machine is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of core pulling machines, in particular to a full-automatic core pulling machine. Background Art

[0002] The core pulling machine is a special equipment for repairing heat exchangers in oil refineries. It is composed of a frame made of steel structure welding machine, a reducer, a load-carrying trolley, a pinwheel reducer, a control cabinet, etc. It has the characteristics of large pulling force, stable core pulling, labor saving, time saving, and no damage to the core.

[0003] A core pulling mechanism is required to pull out the inside of a pipe fitting. During the core pulling process of a pipe fitting using an existing core pulling machine, generally manual labor and a core pulling machine are used to perform core pulling processing on the pipe fitting, and the pipe fitting needs to be fixed manually, which is troublesome and time-consuming. Moreover, when the pipe fitting is unloaded after the core pulling is completed, manual labor is still required to unload the pipe fitting, which easily affects the efficiency of the core pulling machine and the automation effect is poor. Utility Model Content

[0004] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a fully automatic core pulling machine to solve the problems mentioned in the background technology.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A fully automatic core pulling machine comprises a support frame, the support frame is provided with a sliding mechanism and a first telescopic mechanism, the output end of the first telescopic mechanism is transmission-connected with the sliding mechanism, the sliding mechanism is provided with a second telescopic mechanism and two fixed blocks, the two fixed blocks are provided with inclined slide grooves, the output end of the first telescopic mechanism is transmission-connected with a push block, the two inclined slide grooves are slidably connected with a first clamping block, the two first clamping blocks are transmission-connected with the push block through a guide mechanism, the support frame is fixedly connected with a support plate, the support plate is provided with a third telescopic mechanism, the output end of the third telescopic mechanism A second clamping block is transmission-connected, two placing plates and two positioning plates are fixedly connected to the support plate, placing grooves are provided on the two placing plates, two groups of fourth telescopic mechanisms are arranged at the bottom of the support frame, the output ends of the two groups of fourth telescopic mechanisms are transmission-connected with unloading plates, four support rods are fixedly connected to the support plate, baffles are fixedly connected to the four support rods, two of the support rods are fixedly connected to fixing columns, two of the fixing columns are slidably connected with a clamping plate, guide holes are provided on the clamping plate, a storage rack is fixedly connected to the side of the support frame, and the side of the storage rack is fixedly connected to the loading plate.

[0007] By adopting the above technical scheme, the second clamping block can be moved by relying on the third telescopic mechanism arranged on the support plate, and the two ends of the pipe fitting can be clamped and fixed by relying on the second clamping block and the clamping plate, so that manual fixation is not required, saving manpower, and the two sets of fourth telescopic mechanisms arranged on the support frame can be used to make the two blanking plates rise and fall by relying on the two sets of fourth telescopic mechanisms, and the pipe fittings placed in the placement groove can be raised by relying on the two blanking plates, which can facilitate the unloading of the pipe fittings after the core pulling process, can improve the core pulling efficiency of the pipe fittings, and improve the full automation efficiency of the core pulling machine.

[0008] Preferably, the sliding mechanism includes a slide rail and a slide plate, the slide rail is fixedly connected to the support frame, the slide plate is slidably connected to the slide rail, and the first connecting rod is fixedly connected to the slide plate.

[0009] By adopting the above technical solution, the two fixed blocks can be moved by sliding the slide plate on the slide rail.

[0010] Preferably, the first telescopic mechanism includes a first servo electric cylinder and a first connecting rod, the first servo electric cylinder is fixedly mounted on the support frame, and the first connecting rod is transmission-connected to the output end of the first servo electric cylinder via a coupling.

[0011] By adopting the above technical solution, the first servo electric cylinder drives the first connecting rod to be extended and retracted, so that the slide plate can be slidably connected to the slide rail.

[0012] Preferably, the second telescopic mechanism includes a second servo electric cylinder and a second connecting rod, the second servo electric cylinder is fixedly mounted on the slide, the second connecting rod is transmission-connected to the output end of the second servo electric cylinder via a coupling, and the second connecting rod is fixedly connected to the push block.

[0013] By adopting the above technical solution, the push block can be moved by driving the second connecting rod to be extended and retracted by the second servo electric cylinder.

[0014] Preferably, the guide mechanism includes two guide blocks and two guide grooves, the two guide blocks are fixedly connected to the two first clamping blocks respectively, the two guide grooves are opened on the sides of the push block, and the two guide blocks are slidably connected in the two guide grooves respectively.

[0015] By adopting the above technical solution, the two guide blocks are slidably connected in the two guide grooves respectively, so that the two first clamping blocks can slide in the inclined groove, and then the two first clamping blocks can be moved.

[0016] Preferably, the third telescopic mechanism includes a third servo electric cylinder and a third connecting rod, the third servo electric cylinder is fixedly mounted on the support plate, the third connecting rod is transmission-connected to the output end of the third servo electric cylinder via a coupling, and the third connecting rod is fixedly connected to the second clamping block.

[0017] By adopting the above technical solution, the third servo electric cylinder drives the third connecting rod to extend and retract, so that the second clamping block can be moved.

[0018] Preferably, the two groups of the fourth telescopic mechanism respectively include a fourth servo electric cylinder and a fourth connecting rod, the fourth servo electric cylinder is fixedly mounted on the support frame, the fourth connecting rod is transmission connected to the output end of the fourth servo electric cylinder through a coupling, and the fourth connecting rod is fixedly connected to the blanking plate.

[0019] By adopting the above technical solution, the fourth servo electric cylinder drives the fourth connecting rod to be extended and retracted, so that the blanking plate can be raised and lowered.

[0020] Preferably, a plurality of anti-slip grooves are formed on the inner sides of the two first clamping blocks.

[0021] By adopting the above technical solution and providing a plurality of anti-slip grooves, the friction force on the inner side of the first clamping block can be increased, so that the two first clamping blocks can clamp the inner core more firmly.

[0022] Preferably, the two blanking plates are both configured as triangular blanking plates.

[0023] By adopting the above technical solution, the two blanking plates are arranged in a triangular structure, so that the pipe fittings can be conveniently blanked by sliding.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] First, the utility model uses the third telescopic mechanism arranged on the support plate to move the second clamping block, and the second clamping block and the clamping plate can clamp and fix the two ends of the pipe fitting, thereby eliminating the need for manual fixation and saving manpower;

[0026] Second, the utility model uses two sets of fourth telescopic mechanisms arranged on the support frame to enable the two blanking plates to be raised and lowered, and the two blanking plates can be used to raise the pipes placed in the placement grooves, so that the pipes after core pulling processing can be easily unloaded, the core pulling efficiency of the pipes can be improved, and the full automation efficiency of the core pulling machine can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0028] Figure 2 is the second structural schematic diagram of the present utility model;

[0029] Figure 3 is Figure 1 the enlarged schematic diagram of part A in

[0030] Figure 4 is Figure 2 the enlarged schematic diagram of part B in

[0031] Figure 5 is Figure 2 the enlarged schematic diagram of part C in

[0032] Figure 6 is the structural schematic diagram of the push block of the present utility model.

[0033] Reference numerals: 1, support frame; 2, sliding mechanism; 201, slide rail; 202, slide plate; 3, first telescopic mechanism; 301, first servo electric cylinder; 302, first connecting rod; 4, second telescopic mechanism; 401, second servo electric cylinder; 402, second connecting rod; 5, fixed block; 6, inclined chute; 7, push block; 8, first clamping block; 9, guiding mechanism; 901, guiding block; 902, guiding groove; 10, support plate; 11, third telescopic mechanism; 111, third servo electric cylinder; 112, third connecting rod; 12, second clamping block; 13, placing plate; 14, positioning plate; 15, placing groove; 16, fourth telescopic mechanism; 161, fourth servo electric cylinder; 162, fourth connecting rod; 17, blanking plate; 18, support rod; 19, baffle; 20, fixed column; 21, clamping plate; 22, guiding hole; 23, storage rack; 24, loading plate; 25, anti-slip groove. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0035] Embodiment 1

[0036] Refer to Figures 1-6, a fully automatic core-pulling machine, comprising a support frame 1, the support frame 1 is provided with a sliding mechanism 2 and a first telescopic mechanism 3, the output end of the first telescopic mechanism 3 is in transmission connection with the sliding mechanism 2, the sliding mechanism 2 is provided with a second telescopic mechanism 4 and two fixed blocks 5, both of the two fixed blocks 5 are provided with inclined sliding grooves 6, the output end of the first telescopic mechanism 3 is in transmission connection with a push block 7, both of the two inclined sliding grooves 6 are slidably connected with a first clamping block 8, the two first clamping blocks 8 are in transmission connection with the push block 7 through a provided guiding mechanism 9, the support frame 1 is fixedly connected with a support plate 10, the support plate 10 is provided with a third telescopic mechanism 11, the output end of the third telescopic mechanism 11 is in transmission connection with a second clamping block 12, the support plate 10 is fixedly connected with two placing plates 13 and two positioning plates 14, both of the two placing plates 13 are provided with placing grooves 15, the bottom of the support frame 1 is provided with two groups of fourth telescopic mechanisms 16, the output ends of the two groups of fourth telescopic mechanisms 16 are both in transmission connection with a blanking plate 17, the support plate 10 is fixedly connected with four support rods 18, a baffle 19 is fixedly connected to the four support rods 18, two of the four support rods 18 are fixedly connected with fixing columns 20, a clamping plate 21 is slidably connected in the two fixing columns 20, the clamping plate 21 is provided with a guiding hole 22, the side of the support frame 1 is fixedly connected with a material storage rack 23, the side of the material storage rack 23 is fixedly connected with a feeding plate 24. By means of the third telescopic mechanism 11 arranged on the support plate 10, the second clamping block 12 can be moved by relying on the third telescopic mechanism 11. By relying on the second clamping block 12 and the clamping plate 21, both ends of the pipe fitting can be clamped and fixed, so that manual fixing is not required, saving labor. By means of the two groups of fourth telescopic mechanisms 16 arranged on the support frame 1, the two blanking plates 17 can be lifted by relying on the two groups of fourth telescopic mechanisms 16. By relying on the two blanking plates 17, the pipe fittings placed in the placing grooves 15 can be lifted, which is convenient for blanking the pipe fittings after core-pulling processing, and can improve the core-pulling efficiency of the pipe fittings and the full automation efficiency of the core-pulling machine.

[0037] Reference Figure 1 , Figure 2 and Figure 3 , the sliding mechanism 2 includes a slide rail 201 and a slide plate 202, the slide rail 201 is fixedly connected to the support frame 1, the slide plate 202 is slidably connected to the slide rail 201, a first connecting rod 302 is fixedly connected to the slide plate 202. By sliding the slide plate 202 on the slide rail 201, the two fixed blocks 5 can be moved.

[0038] Reference Figure 1 , Figure 2 and Figure 3The first telescopic mechanism 3 includes a first servo electric cylinder 301 and a first connecting rod 302. The first servo electric cylinder 301 is fixedly mounted on the support frame 1. The first connecting rod 302 is transmission-connected to the output end of the first servo electric cylinder 301 through a coupling. The first servo electric cylinder 301 drives the first connecting rod 302 to be telescoped, so that the slide plate 202 can be slidably connected to the slide rail 201.

[0039] refer to Figure 1 , Figure 2 and Figure 3 The second telescopic mechanism 4 includes a second servo electric cylinder 401 and a second connecting rod 402. The second servo electric cylinder 401 is fixedly mounted on the slide 202. The second connecting rod 402 is transmission-connected to the output end of the second servo electric cylinder 401 through a coupling. The second connecting rod 402 is fixedly connected to the push block 7. The second servo electric cylinder 401 drives the second connecting rod 402 to be telescoped, so that the push block 7 can be moved.

[0040] refer to Figure 6 The guide mechanism 9 includes two guide blocks 901 and two guide grooves 902. The two guide blocks 901 are fixedly connected to the two first clamping blocks 8 respectively. The two guide grooves 902 are arranged on the sides of the push block 7. The two guide blocks 901 are slidably connected in the two guide grooves 902 respectively. By sliding the two guide blocks 901 in the two guide grooves 902 respectively, the two first clamping blocks 8 can slide in the oblique groove, and then the two first clamping blocks 8 can be moved.

[0041] refer to Figure 4 The third telescopic mechanism 11 includes a third servo electric cylinder 111 and a third connecting rod 112. The third servo electric cylinder 111 is fixedly mounted on the support plate 10. The third connecting rod 112 is transmission-connected to the output end of the third servo electric cylinder 111 through a coupling. The third connecting rod 112 is fixedly connected to the second clamping block 12. The third servo electric cylinder 111 drives the third connecting rod 112 to be telescoped, so that the second clamping block 12 can be moved.

[0042] refer to Figure 1 and Figure 2 The two sets of fourth telescopic mechanisms 16 respectively include a fourth servo electric cylinder 161 and a fourth connecting rod 162. The fourth servo electric cylinder 161 is fixedly mounted on the support frame 1. The fourth connecting rod 162 is transmission-connected to the output end of the fourth servo electric cylinder 161 through a coupling. The fourth connecting rod 162 is fixedly connected to the blanking plate 17. The fourth servo electric cylinder 161 drives the fourth connecting rod 162 to be telescoped, so that the blanking plate 17 can be lifted or lowered.

[0043] refer to Figure 3, a plurality of anti-slip grooves 25 are formed on the inner sides of the two first clamping blocks 8. The arrangement of the plurality of anti-slip grooves 25 can increase the friction force on the inner sides of the first clamping blocks 8, enabling the two first clamping blocks 8 to clamp the inner core more firmly.

[0044] Reference Figure 5 , the two blanking plates 17 are both triangular blanking plates. By setting the two blanking plates 17 in a triangular structure, it is convenient to slide and blank the pipe fittings.

[0045] Principle of use and advantages: During use, the pipe fittings that need to have their cores removed and are stored on the storage rack 23 are slid out into the placement groove 15 by relying on the feeding plate 24. By driving the third connecting rod 112 to expand and contract through the third servo cylinder 111, the second clamping block 12 can be moved. When the second clamping block 12 moves to the right, the end of the inner core of the pipe fitting is slidably connected in the guiding hole 22. Relying on the second clamping block 12 and the clamping plate 21, the two ends of the pipe fitting can be clamped and fixed, thus eliminating the need for manual fixing and saving labor. By driving the first connecting rod 302 to expand and contract through the first servo cylinder 301, the sliding plate 202 can be slidably connected to the slide rail 201, causing the sliding plate 202 to move to the left. By driving the second connecting rod 402 to expand and contract through the second servo cylinder 401, the pushing block 7 can be moved. Relying on the two first clamping blocks 8 being slidably connected in the inclined grooves, the two guiding blocks 901 are slidably connected in the two guiding grooves 902, enabling the two first clamping blocks 8 to move. Relying on the two first clamping blocks 8, the end of the inner core of the pipe fitting can be clamped and fixed. Once again, by driving the first connecting rod 302 to expand and contract through the first servo cylinder 301, the sliding plate 202 can be slidably connected to the slide rail 201, causing the two first clamping blocks 8 to move to the right, thereby pulling the inner core and separating the inner core from the pipe fitting, enabling the pipe fitting to undergo the core-pulling operation. After the core-pulling is completed, relying on the second clamping block 12 moving to the left, by driving the fourth connecting rod 162 to expand and contract through the two fourth servo cylinders 161, the blanking plates 17 can be lifted, and relying on the two blanking plates 17, the pipe fittings placed in the placement groove 15 can be ejected, thus facilitating the blanking of the pipe fittings after core-pulling processing, improving the core-pulling efficiency of the pipe fittings, and enhancing the fully automated efficiency of the core-pulling machine.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic core pulling machine, comprising a support frame (1), characterized in that: The support frame (1) is provided with a sliding mechanism (2) and a first telescopic mechanism (3), the output end of the first telescopic mechanism (3) is transmission-connected with the sliding mechanism (2), the sliding mechanism (2) is provided with a second telescopic mechanism (4) and two fixed blocks (5), the two fixed blocks (5) are provided with inclined sliding grooves (6), the output end of the first telescopic mechanism (3) is transmission-connected with a push block (7), the two inclined sliding grooves (6) are slidingly connected with a first clamping block (8), the two first clamping blocks (8) are transmission-connected with the push block (7) through a guide mechanism (9), the support frame (1) is fixedly connected with a support plate (10), the support plate (10) is provided with a third telescopic mechanism (11), the output end of the third telescopic mechanism (11) is transmission-connected with a second clamping block (12), the support plate Two placing plates (13) and two positioning plates (14) are fixedly connected on the support frame (10), and the two placing plates (13) are each provided with a placing groove (15). Two groups of fourth telescopic mechanisms (16) are arranged at the bottom of the support frame (1), and the output ends of the two groups of fourth telescopic mechanisms (16) are both drivingly connected with a feeding plate (17). Four supporting rods (18) are fixedly connected on the support plate (10), and the four supporting rods (18) are fixedly connected with a baffle (19), wherein two of the supporting rods (18) are fixedly connected with a fixing column (20), and a clamping plate (21) is slidably connected between the two fixing columns (20), and a guide hole (22) is provided on the clamping plate (21). A storage rack (23) is fixedly connected to the side of the support frame (1), and a loading plate (24) is fixedly connected to the side of the storage rack (23).

2. A fully automatic core pulling machine according to claim 1, characterized in that: The sliding mechanism (2) comprises a sliding rail (201) and a sliding plate (202); the sliding rail (201) is fixedly connected to the support frame (1); and the sliding plate (202) is slidably connected to the sliding rail (201).

3. A fully automatic core pulling machine according to claim 2, characterized in that: The first telescopic mechanism (3) comprises a first servo electric cylinder (301) and a first connecting rod (302); the first servo electric cylinder (301) is fixedly mounted on the support frame (1); the first connecting rod (302) is transmission-connected to an output end of the first servo electric cylinder (301) via a coupling; and the first connecting rod (302) is fixedly connected to the slide plate (202).

4. A fully automatic core pulling machine according to claim 3, characterized in that: The second telescopic mechanism (4) comprises a second servo electric cylinder (401) and a second connecting rod (402); the second servo electric cylinder (401) is fixedly mounted on the slide plate (202); the second connecting rod (402) is transmission-connected to the output end of the second servo electric cylinder (401) via a coupling; and the second connecting rod (402) is fixedly connected to the push block (7).

5. The fully automatic core pulling machine according to claim 1, characterized in that: The guide mechanism (9) comprises two guide blocks (901) and two guide grooves (902); the two guide blocks (901) are fixedly connected to the two first clamping blocks (8) respectively; the two guide grooves (902) are arranged on the side of the push block (7); and the two guide blocks (901) are slidably connected in the two guide grooves (902) respectively.

6. A fully automatic core pulling machine according to claim 1, characterized in that: The third telescopic mechanism (11) comprises a third servo electric cylinder (111) and a third connecting rod (112); the third servo electric cylinder (111) is fixedly mounted on the support plate (10); the third connecting rod (112) is transmission-connected to an output end of the third servo electric cylinder (111) via a coupling; and the third connecting rod (112) is fixedly connected to the second clamping block (12).

7. The fully automatic core pulling machine according to claim 1, characterized in that: The two groups of the fourth telescopic mechanisms (16) respectively include a fourth servo electric cylinder (161) and a fourth connecting rod (162); the fourth servo electric cylinder (161) is fixedly mounted on the support frame (1); the fourth connecting rod (162) is transmission-connected to the output end of the fourth servo electric cylinder (161) via a coupling; and the fourth connecting rod (162) is fixedly connected to the blanking plate (17).

8. The fully automatic core pulling machine according to claim 1, characterized in that: A plurality of anti-slip grooves (25) are provided on the inner sides of the two first clamping blocks (8).

9. The fully automatic core pulling machine according to claim 1, characterized in that: The two blanking plates (17) are both configured as triangular blanking plates.