Practical copper pipe necking machine

Abstract

The utility model discloses a practical copper pipe necking machine which comprises a machining table, the upper surface of the machining table is fixedly connected with a fixing frame, the upper surface of the fixing frame is fixedly connected with an air cylinder, the output end of the air cylinder is provided with a telescopic rod, and the lower end of the telescopic rod is fixedly connected with a connecting frame. And the lower surface of the air cylinder is fixedly connected with a clamping seat. By arranging the structures such as the motor, the rotating shaft, the buckle, the fixed seat, the connecting rod, the sliding block, the guide rod and the arc-shaped clamping block, the copper pipe can be stably and uniformly clamped in three directions by utilizing one power piece of the motor, so that the equipment cost and the maintenance cost are reduced; by arranging the fixing plate, the sliding rod, the spring, the L-shaped inserting block, the T-shaped block, the connecting base, the connecting shaft, the limiting plate and the T-shaped sliding strip, necking dies with necking holes of different sizes can be conveniently replaced, so that a copper pipe can be machined into necking holes of different sizes according to needs, and then the applicability of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of necking machine, especially a practical copper pipe necking machine. BACKGROUND

[0002] Copper pipe has been widely used in refrigeration, air conditioning, water supply and gas delivery fields due to its excellent heat conductivity, corrosion resistance and mechanical properties. In these applications, the copper pipe often needs to change its end shape and size through necking process to adapt to specific connection or installation requirements, so it is necessary to use a copper pipe necking machine.

[0003] However, the existing copper pipe necking machine still has some defects, for example: the necking table on the necking machine usually cannot be replaced, which leads to the fact that one device can only neck the copper pipe to a smaller range of sizes, which is relatively inconvenient and has poor applicability; secondly, multiple power components are needed to drive the clamping plates to clamp and fix the copper pipe for multi-directional clamping, which is relatively high in cost. INVENTION CONTENTS

[0004] The utility model aims at at least solving one of the technical problems in the prior art, providing a practical copper pipe necking machine, which can stably and uniformly clamp the copper pipe in three directions by using one power component of a motor, thereby reducing equipment cost and maintenance cost, and conveniently replacing necking dies of different necking hole sizes, so that the copper pipe can be processed to different sizes of necking as needed, thereby improving the applicability of the equipment.

[0005] The utility model also provides a practical copper pipe necking machine as described above, which comprises:

[0006] The processing table is fixedly connected with a fixed frame on its upper surface, the fixed frame is fixedly connected with an air cylinder on its upper surface, the output end of the air cylinder is provided with a telescopic rod, the lower end of the telescopic rod is fixedly connected with a connecting frame, the lower surface of the air cylinder is fixedly connected with a clamping seat, the inner surface of the connecting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a ring buckle, the outer surface of the ring buckle is fixedly connected with a fixed seat, the upper surface of the fixed seat is fixedly connected with a fixed column, the outer surface of the fixed column is rotatably connected with a connecting rod, the inner surface of the connecting rod is rotatably connected with a connecting column, the lower end of the connecting column is fixedly connected with a sliding block, the inner surface of the sliding block is slidably connected with a guide rod, and the lower end of the sliding block is fixedly connected with an arc-shaped clamping block.

[0007] The front surface of the processing table is provided with a material drawer, the upper surface of the processing table is fixedly connected with a fixed plate, the upper surface of the fixed plate is provided with a sliding groove, the inner surface of the sliding groove is fixedly connected with a sliding rod, the outer surface of the sliding rod is provided with a spring, the outer surface of the sliding rod is slidably connected with an L-shaped plug, the upper surface of the L-shaped plug is fixedly connected with a T-shaped block, the side surface of the fixed plate is fixedly connected with a connecting seat, the inner surface of the connecting seat is fixedly connected with a connecting shaft, the outer surface of the connecting shaft is rotatably connected with a limiting plate, the outer surface of the fixed plate is provided with a T-shaped groove, the inner surface of the T-shaped groove is slidably connected with a T-shaped slide strip, and the upper surface of the T-shaped slide strip is fixedly connected with a necking die.

[0008] According to the utility type copper pipe necking machine, the outer surface of the clamping seat is provided with a limiting groove, and the limiting groove is matched with the sliding block in the inner surface, so that the movement of the sliding block is limited.

[0009] According to the utility type copper pipe necking machine, the upper surface of the necking die is provided with a necking hole, and the lower surface of the necking die is in contact with the fixed plate.

[0010] According to the utility type copper pipe necking machine, the two ends of the guide rod are fixedly connected with the clamping seat, and the number of the arc-shaped clamping blocks is three and is arranged in a ring array, so that the copper pipe can be clamped and fixed in multiple directions.

[0011] According to the utility type copper pipe necking machine, the inner surface of the sliding groove is matched with the L-shaped plug, and the number of the L-shaped plugs is two and is distributed on the left and right sides, so that the limiting plates on the two sides can be limited and fixed.

[0012] According to the utility type copper pipe necking machine, the front surface of the necking die is in contact with the limiting plate, and the number of the limiting plates is two and is distributed on the left and right sides, so that the necking die can be limited.

[0013] According to the utility type copper pipe necking machine, the rear surface of the limiting plate is provided with a plug groove, the inner surface of the plug groove is matched with the L-shaped plug, and the necking die can be limited and fixed.

[0014] According to the utility type copper pipe necking machine, the motor is electrically connected with an external power supply.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. By arranging the motor, the shaft, the ring buckle, the fixed seat, the connecting rod, the sliding block, the guide rod and the arc-shaped clamping block, one motor can stably and uniformly clamp the copper pipe in three directions, so that the equipment cost and the maintenance cost are reduced.

[0017] 2、By setting the fixed plate, slide rod, spring, L-shaped plug, T-shaped block, connecting seat, connecting shaft, limit plate and T-shaped slide, different necking die size of necking hole can be conveniently replaced, so that the copper pipe can be processed to different size of necking according to the need, thereby improving the applicability of the equipment.

[0018] Additional aspects and advantages of the present application will be partially given in the following description, some will become apparent from the following description, or will be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further described below in combination with the drawings and examples.

[0020] Figure 1 It is a whole structure schematic diagram of the utility model practical copper pipe necking machine;

[0021] Figure 2 It is Figure 1 It is a structure enlarged schematic diagram of A in the middle;

[0022] Figure 3 It is a part structure schematic diagram of the utility model practical copper pipe necking machine;

[0023] Figure 4 It is an internal part structure schematic diagram of the utility model practical copper pipe necking machine;

[0024] Figure 5 It is a part structure sectional view of the utility model practical copper pipe necking machine;

[0025] Figure 6 It is a limit plate structure sectional view of the utility model practical copper pipe necking machine.

[0026] Legend:

[0027] 1, processing table; 2, fixed frame; 3, air cylinder; 4, telescopic rod; 5, connecting frame; 6, motor; 7, rotating shaft; 8, ring buckle; 9, fixed seat; 10, fixed column; 11, connecting rod; 12, connecting column; 13, sliding block; 14, guide rod; 15, arc clamping block; 16, material drawer; 17, fixed plate; 18, slide groove; 19, slide rod; 20, spring; 21, L-shaped plug; 22, T-shaped block; 23, connecting seat; 24, connecting shaft; 25, limit plate; 26, T-shaped slot; 27, T-shaped slide; 28, necking die; 29, limit slot; 30, necking hole; 31, clamping seat; 32, slot. DETAILED DESCRIPTION

[0028] The detailed description of the embodiments of the present application will be described in this section, and the preferred embodiments of the present application are shown in the drawings. The drawings are used to supplement the description of the text part of the specification, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application. However, it cannot be understood as a limitation on the protection scope of the present application.

[0029] Referring to Figures 1-6 The utility model discloses a kind of practical copper pipe necking machines, it includes: processing table 1, the upper surface of processing table 1 is fixedly connected with fixed frame 2, the upper surface of fixed frame 2 is fixedly connected with cylinder 3, the output end of cylinder 3 is provided with telescopic rod 4, telescopic rod 4 is used to drive the copper pipe being clamped to move downwards, the lower end of telescopic rod 4 is fixedly connected with connecting frame 5, the lower surface of cylinder 3 is fixedly connected with clamping seat 31, the inner surface of connecting frame 5 is fixedly connected with motor 6, the output end of motor 6 is fixedly connected with rotating shaft 7, the outer surface of rotating shaft 7 is fixedly connected with ring buckle 8, the outer surface of ring buckle 8 is fixedly connected with fixed seat 9, the upper surface of fixed seat 9 is fixedly connected with fixed column 10, the outer surface of fixed column 10 is rotatably connected with connecting rod 11, the inner surface of connecting rod 11 is rotatably connected with connecting column 12, the lower end of connecting column 12 is fixedly connected with sliding block 13, the inner surface of sliding block 13 is slidably connected with guide rod 14, guide rod 14 is provided, and can be used for the guidance when sliding block 13 moves, improve stability, the lower end of sliding block 13 is fixedly connected with arc clamping block 15, the outer surface of clamping seat 31 is provided with limit groove 29, the inner surface of limit groove 29 is matched with sliding block 13, limit groove 29 is used to limit when sliding block 13 moves, both ends of guide rod 14 are fixedly connected with clamping seat 31, the number of arc clamping block 15 is three and is annular array distribution, convenient for the multidirectional fixing of copper pipe, motor 6 and external power supply are electrically connected.

[0030] The front surface of the processing table 1 is provided with a material drawer 16 for placing and taking the necking dies of different necking holes, the upper surface of the processing table 1 is fixedly connected with a fixed plate 17, the upper surface of the fixed plate 17 is provided with a sliding groove 18 for limiting the movement of the L-shaped sliding block, the inner surface of the sliding groove 18 is fixedly connected with a sliding rod 19, the outer surface of the sliding rod 19 is provided with a spring 20, the outer surface of the sliding rod 19 is slidingly connected with an L-shaped plug 21, the upper surface of the L-shaped plug 21 is fixedly connected with a T-shaped block 22 for pushing the L-shaped plug, the side surface of the fixed plate 17 is fixedly connected with a connecting seat 23, the inner surface of the connecting seat 23 is fixedly connected with a connecting shaft 24, the outer surface of the connecting shaft 24 is rotatably connected with a limiting plate 25, the outer surface of the fixed plate 17 is provided with a T-shaped groove 26, the inner surface of the T-shaped groove 26 is slidingly connected with a T-shaped sliding strip 27, the upper surface of the T-shaped sliding strip 27 is fixedly connected with a necking die 28, the upper surface of the necking die 28 is provided with a necking hole 30, the lower surface of the necking die 28 is in contact with the fixed plate 17, the inner surface of the sliding groove 18 is matched with the L-shaped plug 21, the number of the L-shaped plugs 21 is two and they are distributed on the left and right sides, the front surface of the necking die 28 is in contact with the limiting plate 25, the number of the limiting plates 25 is two and they are distributed on the left and right sides, the rear surface of the limiting plate 25 is provided with a plug groove 32 matched with the L-shaped plug 21.

[0031] Working principle: in work, insert the copper pipe into the placing groove in the clamping seat 31, then start the motor 6 to drive the rotating shaft 7 to rotate the ring buckle 8, so that the three arc-shaped clamping blocks 15 move towards each other along the corresponding limiting grooves 29 under the cooperation of the fixed seat 9, the fixed column 10, the connecting rod 11, the connecting column 12 and the sliding block 13, thereby realizing three-way clamping of the copper pipe, which is stable and only needs one power element of the motor 6 to drive, and has high practicability, then start the cylinder 3 to drive the telescopic rod 4 to move the clamped and fixed copper pipe into the necking hole 30 for necking work, when the necking size of the copper pipe needs to be changed, only need to push the T-shaped block 22 backward to drive the L-shaped plug 21 to move backward along the sliding rod 19, to be separated from the inside of the plug groove 32 and make the spring 20 compressed, so as to release the limiting effect of the limiting plate 25, then turn over the limiting plate 25 around the connecting shaft 24, to release the limiting effect of the necking die 28, then pull out the necking die 28 along the T-shaped groove 26 to complete the disassembly, put the necking die 28 into the material drawer 16, take out the necking die 28 with the required necking hole 30 size, insert the T-shaped sliding strip 27 below the necking die 28 into the T-shaped groove 26, then turn over the limiting plate 25 again around the connecting shaft 24 to drive the rear surface of the limiting plate 25 to be in contact with the necking die 28, loosen the T-shaped block 22 when the plug groove 32 corresponds to the L-shaped plug 21, under the rebound force of the spring 20, the L-shaped plug 21 will be automatically clamped into the plug groove 32, to complete the limiting and fixing of the new necking die 28, which is simple and convenient and improves the applicability of the equipment.

[0032] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A practical copper tube necking machine, characterized in that: include: A processing table (1), wherein the upper surface of the processing table (1) is fixedly connected to a fixing frame (2), the upper surface of the fixing frame (2) is fixedly connected to a cylinder (3), the output end of the cylinder (3) is provided with a telescopic rod (4), the lower end of the telescopic rod (4) is fixedly connected to a connecting frame (5), the lower surface of the cylinder (3) is fixedly connected to a clamping seat (31), the inner surface of the connecting frame (5) is fixedly connected to a motor (6), the output end of the motor (6) is fixedly connected to a rotating shaft (7), the outer surface of the rotating shaft (7) is fixedly connected A ring buckle (8) is provided, wherein the outer surface of the ring buckle (8) is fixedly connected to a fixing seat (9), the upper surface of the fixing seat (9) is fixedly connected to a fixing column (10), the outer surface of the fixing column (10) is rotatably connected to a connecting rod (11), the inner surface of the connecting rod (11) is rotatably connected to a connecting column (12), the lower end of the connecting column (12) is fixedly connected to a slider (13), the inner surface of the slider (13) is slidably connected to a guide rod (14), and the lower end of the slider (13) is fixedly connected to an arc-shaped clamping block (15); The front surface of the processing table (1) is provided with a material drawer (16), the upper surface of the processing table (1) is fixedly connected with a fixed plate (17), the upper surface of the fixed plate (17) is provided with a slide groove (18), the inner surface of the slide groove (18) is fixedly connected with a slide rod (19), the outer surface of the slide rod (19) is provided with a spring (20), the outer surface of the slide rod (19) is slidably connected with an L-shaped plug (21), the upper surface of the L-shaped plug (21) is fixedly connected with a T The fixing plate (17) is provided with a T-shaped groove (26), the inner surface of the T-shaped groove (26) is slidably connected to a T-shaped slide (27), and the upper surface of the T-shaped slide (27) is fixedly connected to a shrinking mold (28).

2. A practical copper tube necking machine according to claim 1, characterized in that: The outer surface of the clamping seat (31) is provided with a limiting groove (29), and the inner surface of the limiting groove (29) is adapted to the slider (13).

3. A practical copper tube necking machine according to claim 1, characterized in that: The upper surface of the shrinking mold (28) is provided with a shrinking hole (30), and the lower surface of the shrinking mold (28) is in contact with the fixing plate (17).

4. A practical copper tube necking machine according to claim 1, characterized in that: Both ends of the guide rod (14) are fixedly connected to the clamping seat (31), and the number of the arc-shaped clamping blocks (15) is three and they are arranged in a ring array.

5. A practical copper tube necking machine according to claim 1, characterized in that: The inner surface of the slide groove (18) is adapted to the L-shaped insert block (21), and the number of the L-shaped insert blocks (21) is two and they are distributed on the left and right.

6. A practical copper tube necking machine according to claim 1, characterized in that: The front surface of the necking mold (28) is in contact with the limiting plates (25), and the limiting plates (25) are two in number and distributed on the left and right.

7. A practical copper tube necking machine according to claim 1, characterized in that: The rear surface of the limiting plate (25) is provided with a slot (32), and the inner surface of the slot (32) is adapted to the L-shaped insert block (21).

8. A practical copper tube necking machine according to claim 1, characterized in that: The motor (6) is electrically connected to an external power source.

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