CN210736547U

CN210736547U - Diameter-changing equipment for blank pipe

Info

Publication number: CN210736547U
Application number: CN201921224833.0U
Authority: CN
Inventors: 徐正本; 朱计伟
Original assignee: Shandong Yaohui Solar Co ltd
Current assignee: Shandong Yaohui Solar Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-12
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a blank pipe reducing device, which comprises a base; the head glass tube reducing device is arranged at the head of the base and is used for processing one section of the head end of the blank straight tube into an expanding tube; the tail glass tube grooving device is arranged at the tail of the base and is used for processing the tail end of the blank straight tube into an annular groove; and a middle glass tube rotary supporting mechanism is arranged on a base between the head glass tube reducing device and the tail glass tube grooving device and is used for rotatably supporting the middle section of the blank straight tube. The utility model discloses following beneficial effect has: blank pipe reducing equipment, reduced the hand labor volume, improved the efficiency of reducing glass pipe processing to a certain extent, can realize the batch processing of reducing glass pipe.

Description

Diameter-changing equipment for blank pipe

Technical Field

The utility model relates to a blank pipe reducing equipment belongs to glass pipe technical field.

Background

The blank tube described in the present application, inside which it is necessary to install a glass rod spiral, the assembly of which is used in many different forms in heat exchangers and in the process treatment of gas streams (for example, in the recovery of strong acids such as sulfuric acid), for example, as described in european patent application EP 0687658 a1 or in US 6,340414B 1, the contents of both of which are expressly incorporated herein by reference, as far as this is concerned with the potential applications of the claimed invention. Although glass tube structures have been disclosed, there is no special equipment available in the market for processing the glass tubes from the blank tubes. The blank pipe is processed in a manual mode, the efficiency is low, the visual inspection mode is often inaccurate, a large amount of labor force needs to be consumed in the processing process, and the burden of operators is increased.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the problems, the reducing equipment for the blank pipe is provided.

The utility model discloses a blank pipe reducing device, which comprises a base; the head glass tube reducing device is arranged at the head of the base and is used for processing one section of the head end of the blank straight tube into an expanding tube; the tail glass tube grooving device is arranged at the tail of the base and is used for processing the tail end of the blank straight tube into an annular groove; and a middle glass tube rotary supporting mechanism is arranged on a base between the head glass tube reducing device and the tail glass tube grooving device and is used for rotatably supporting the middle section of the blank straight tube.

Preferably, the middle glass tube rotary supporting mechanism is provided with at least one.

Preferably, middle part glass manages rotary supporting mechanism and includes riding wheel board mounting bracket, and both sides are provided with left side tow boat mounting panel and right side tow boat mounting panel respectively around the riding wheel board mounting bracket, and riding wheel one is installed to one side of left side tow boat mounting panel, and the opposite side of left side tow boat mounting panel is provided with and riding wheel two, and one side of right side tow boat mounting panel is provided with riding wheel three, and the opposite side of right side tow boat mounting panel is provided with and riding wheel three-phase complex riding wheel four, and riding wheel one sets up with the riding wheel three is coaxial, and riding wheel two sets up with the riding wheel four is coaxial.

Preferably, the first riding wheel, the second riding wheel, the third riding wheel and the fourth riding wheel are all made of nylon rods.

Preferably, the tail glass tube grooving device comprises a tail work table arranged at the tail part of the base, a length direction slide rail which is consistent with the length direction of the base is arranged on the tail work table, a front sliding table and a rear sliding table are arranged on the length direction slide rail in a sliding manner, a first driving air cylinder for driving the front sliding table and the rear sliding table to slide is arranged at the tail part of the tail work table, a vertical direction slide rail which is perpendicular to the length direction of the base is arranged on the upper surface of the front sliding table and the rear sliding table, a vertical direction sliding table is arranged on the vertical direction slide rail in a sliding manner, a second driving air cylinder for driving the vertical direction sliding table to slide is arranged at one end of the front sliding table and the rear sliding table, a vertical first shaft sleeve vertical plate is arranged at the front end of the vertical direction sliding table, a first shaft sleeve is arranged on the first shaft sleeve vertical plate, a tail clamping optical, the other end of the tail clamping optical axis is provided with a conical hole expanding head.

Preferably, a grooving wheel support is further arranged on one side of the tail workbench, a second shaft sleeve is arranged on the upper portion of the grooving wheel support, a second optical shaft II is arranged in the second shaft sleeve in a sliding mode, the front end of the second optical shaft II is connected with a vertical support, a grooving wheel is rotatably connected to the bottom end of the vertical support, one end of a fourth driving cylinder is connected with the tail of the second optical shaft, a cylinder body of the fourth driving cylinder is fixed on the grooving wheel support, a tail end baking gun is arranged on the upper surface of the tail workbench, and the tail end baking gun is matched with the grooving wheel and the conical reaming head.

Preferably, a fifth tug and a sixth tug are mounted at the head end of the tail workbench, the fifth tug and the second riding wheel are coaxially arranged and have the same structure, and the sixth tug and the second riding wheel are coaxially arranged and have the same structure.

Preferably, the head glass tube diameter changing device comprises a diameter changing workbench arranged at the front end of the base, a left end vertical plate is arranged at the left side of the diameter changing workbench, a through hole for mounting a bearing A is arranged on the left end vertical plate, a cylinder is arranged on the left end vertical plate through the bearing A, a chain wheel A is arranged at the left end of the left end vertical plate, a manual multi-jaw chuck is arranged at the right end of the left end vertical plate,

the reducing heating baking gun is arranged in the middle of the reducing workbench, a left reducing half sleeve and a right reducing half sleeve are symmetrically arranged on two sides of the reducing heating baking gun, a left pushing mechanism for driving the left reducing half sleeve to move and a right pushing mechanism for driving the right reducing half sleeve to move are arranged on the reducing workbench, the left reducing half sleeve and the right reducing half sleeve are mutually closed and spliced into a reducing cylinder,

the right end of the reducing workbench is provided with a reducing clamping head slide rail, a reducing clamping head sliding table is arranged on the reducing clamping head slide rail in a sliding manner, the right side of the reducing clamping head sliding table is provided with a second mounting vertical plate, the second mounting vertical plate is provided with a through hole for mounting a bearing B, a rotating shaft is rotatably mounted on the second mounting vertical plate through the bearing B, the left end of the rotating shaft is provided with a reducing clamping head, the right end of the rotating shaft is provided with a chain wheel B, the reducing workbench is also provided with a second mounting vertical plate pushing cylinder for pushing the reducing clamping head sliding table to move,

the rotating shaft and the reducing clamping head are arranged in a hollow mode, the right side of the second installation vertical plate is provided with an air valve support, an air valve is installed on the air valve support, an air inlet of the air valve is connected with an air supply source, a rotating connector is installed on an air outlet of the air valve, and the rotating connector is communicated with an inner hole at the right end of the rotating shaft through a connecting pipe.

Preferably, a right-side shaft support and a left-side shaft support are installed at the front end and the rear end of the lower surface of the reducing workbench, the lower ends of the left-side shaft support and the right-side shaft support are fixed on the base, a transmission shaft is arranged on the left-side shaft support and the right-side shaft support in a rotating mode, a first chain wheel is fixedly arranged at the left end of the transmission shaft, a second chain wheel is fixedly arranged at the middle of the transmission shaft, a third chain wheel is arranged at the other end of the transmission shaft in a sliding mode, a speed reduction motor is fixed on the upper surface of the base, a fourth chain wheel is arranged on a power output shaft of the speed reduction motor, a chain C is wound on the fourth chain wheel and the second chain wheel, a chain A is wound on the first chain wheel and the chain A, a chain B is wound on the third chain wheel and the chain B.

Preferably, a middle riding wheel mounting plate is mounted on the right side of the left end vertical plate, a riding wheel seventh is arranged on one side of the middle riding wheel mounting plate, and a riding wheel eighth matched with the riding wheel seventh is arranged on the other side of the middle riding wheel mounting plate.

Compared with the prior art, the utility model discloses following beneficial effect has: blank pipe reducing equipment, reduced the hand labor volume, improved the efficiency of reducing glass pipe processing to a certain extent, can realize the batch processing of reducing glass pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the lower structure of the head glass tube diameter changing device of the present invention.

In the figure: 1. head glass tube diameter changing device 1.1, left end vertical plate 1.2, cylinder 1.3, chain wheel A1.4, manual multi-claw chuck 1.5, riding wheel seven 1.6, riding wheel eight 1.7, middle riding wheel mounting plate 1.8, left side diameter changing half sleeve 1.9, right side diameter changing half sleeve 1.10, left side pushing mechanism 1.11, right side pushing mechanism 1.12, diameter changing heating baking gun 1.13, diameter changing clamping head slide rail 1.14, diameter changing clamping head sliding table 1.15, mounting vertical plate two 1.16, rotating shaft 1.17, diameter changing clamping head 1.18, chain wheel B1.19, mounting vertical plate two pushing cylinder 1.20, gas valve support 1.21, gas valve 1.22, rotating connector 1.23, connecting pipe 2, middle glass tube rotating support mechanism 2.1, riding wheel mounting frame 2.2, left side dragging wheel mounting plate 2.3, right side dragging wheel 2.4, riding wheel one 2.5, riding wheel two riding wheel 2.6, three riding wheel 2.7, four riding wheel 3.7, four riding wheel mounting frame 2.3, The grooving device for the tail glass tube comprises a tail glass tube grooving device 3.1, a tail workbench 3.2, a length direction sliding rail 3.3, a front sliding table, a rear sliding table 3.4, a first driving cylinder 3.5, a vertical direction sliding rail 3.6, a vertical direction sliding table 3.7, a second driving cylinder 3.8, a shaft sleeve vertical plate 3.9, a first shaft sleeve 3.10, a tail clamping optical shaft 3.11, a third driving cylinder 3.12, a conical reaming head 3.13, a tail end baking gun 3.14, a grooving wheel 3.15, a vertical support 3.16, an optical shaft II 3.17, a second shaft sleeve 3.18, a grooving wheel support 3.19, a fourth driving cylinder 3.20, a fifth dragging wheel 3.21, a sixth dragging wheel 4, a base 5, a speed reducing motor 6, a transmission shaft 7, a left side support 8, a right side support 9, a first shaft support 10, a second chain wheel II 11, a third chain wheel 12, a chain A13, a chain B14, a connecting plate.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the present invention is further described with reference to the following specific embodiments, which are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-2, the reducing device for the blank pipe comprises a base 4; the head glass tube reducing device 1 is arranged at the head of the base 4, and the head glass tube reducing device 1 is used for processing one section of the head end of the blank straight tube into an expanded diameter tube; the tail glass tube grooving device 3 is arranged at the tail of the base 4, and the tail glass tube grooving device 3 is used for processing the tail end of the blank straight tube into an annular groove; a middle glass tube rotary supporting mechanism 2 is installed on a base 4 between the head glass tube reducing device 1 and the tail glass tube grooving device 3, and the middle glass tube rotary supporting mechanism 2 is used for rotary supporting of the middle section of a blank straight tube.

In this embodiment, at least one middle glass tube rotary supporting mechanism 2 is provided; the middle glass tube rotary supporting mechanism 2 comprises a riding wheel plate mounting frame 2.1, a left side riding wheel mounting plate 2.2 and a right side riding wheel mounting plate 2.3 are respectively arranged on the front side and the rear side of the riding wheel plate mounting frame 2.1, a riding wheel I2.4 is arranged on one side of the left side riding wheel mounting plate 2.2, a riding wheel II 2.5 is arranged on the other side of the left side riding wheel mounting plate 2.2, a riding wheel III 2.6 is arranged on one side of the right side riding wheel mounting plate 2.3, a riding wheel IV 2.7 matched with the riding wheel III 2.6 is arranged on the other side of the right side riding wheel mounting plate 2.3, the riding wheel I2.4 and the riding wheel III 2.6 are coaxially arranged, and the riding wheel II 2.5 and the riding wheel IV 2.7 are coaxially; the riding wheel I2.4, the riding wheel II 2.5, the riding wheel III 2.6 and the riding wheel IV 2.7 are all made of nylon rods; the tail glass tube grooving device 3 comprises a tail work table 3.1 arranged at the tail of a base 4, a length direction slide rail 3.2 which is consistent with the length direction of the base 4 is arranged on the tail work table 3.1, a front sliding table 3.3 and a rear sliding table 3.3 are arranged on the length direction slide rail 3.2 in a sliding manner, a first driving air cylinder 3.4 for driving the front sliding table 3.3 and the rear sliding table 3.3 to slide is arranged at the tail of the tail work table 3.1, a vertical direction slide rail 3.5 which is vertical to the length direction of the base 4 is arranged on the upper surface of the front sliding table 3.3 and the rear sliding table 3.3, a vertical direction sliding table 3.6 is arranged on the vertical direction slide rail 3.5 in a sliding manner, a second driving air cylinder 3.7 for driving the vertical direction sliding table 3.6 to slide is arranged at one end of the front sliding table 3.3, a vertical first shaft sleeve vertical plate 3.8 is arranged at the front end of the vertical table 3.6, a first shaft sleeve 3.9 is arranged on the first shaft sleeve vertical plate 3., the other end of the third driving cylinder 3.11 is fixedly connected with the left end of the tail clamping optical axis 3.10, and the other end of the tail clamping optical axis 3.10 is provided with a conical reaming head 3.12; a grooving wheel support 3.18 is further arranged on one side of the tail workbench 3.1, a second shaft sleeve 3.17 is arranged on the upper portion of the grooving wheel support 3.18, a second optical shaft 3.16 is arranged in the second shaft sleeve 3.17 in a sliding mode, a vertical support 3.15 is connected to the front end of the second optical shaft 3.16, a grooving wheel 3.14 is rotatably connected to the bottom end of the vertical support 3.15, one end of a fourth driving cylinder 3.19 is connected with the tail portion of the second optical shaft 3.16, a cylinder body of the fourth driving cylinder 3.19 is fixed on the grooving wheel support 3.18, a tail end baking gun 3.13 is arranged on the upper surface of the tail workbench 3.1, and the tail end baking gun 3.13 is matched with the grooving wheel 3.14 and the conical reaming head 3.12; the head end of the tail workbench 3.1 is provided with a fifth tug 3.20 and a sixth tug 3.21, the fifth tug 3.20 and the second riding wheel 2.5 are coaxially arranged and have the same structure, and the sixth tug 3.21 and the first riding wheel 2.4 are coaxially arranged and have the same structure; the head glass tube diameter-changing device 1 comprises a diameter-changing workbench arranged at the front end of a base 4, a left end vertical plate 1.1 is arranged at the left side of the diameter-changing workbench, a through hole for installing a bearing A is formed in the left end vertical plate 1.1, a cylinder 1.2 is arranged on the left end vertical plate 1.1 through the bearing A, a chain wheel A1.3 is arranged at the left end of the left end vertical plate 1.1, a manual multi-claw chuck 1.4 is arranged at the right end of the left end vertical plate 1.1, a diameter-changing heating baking gun 1.12 is arranged in the middle of the diameter-changing workbench, a left diameter-changing half sleeve 1.8 and a right diameter-changing half sleeve 1.9 are symmetrically arranged at two sides of the diameter-changing heating baking gun 1.12, a left side diameter-changing half sleeve 1.10 for driving the left diameter-changing half sleeve 1.8 to move and a right side pushing mechanism 1.11 for driving the right diameter-changing half sleeve 1.9 to move are arranged on the diameter-changing workbench, the left side diameter-changing half sleeve 1.8 and the, a reducing clamping head sliding table 1.14 is arranged on a reducing clamping head sliding rail 1.13 in a sliding manner, a second mounting vertical plate 1.15 is arranged on the right side of the reducing clamping head sliding table 1.14, a through hole for mounting a bearing B is formed in the second mounting vertical plate 1.15, a rotating shaft 1.16 is rotatably mounted on the second mounting vertical plate 1.15 through the bearing B, a reducing clamping head 1.17 is arranged at the left end of the rotating shaft 1.16, a chain wheel B1.18 is arranged at the right end of the rotating shaft 1.16, a second mounting vertical plate pushing cylinder 1.19 for pushing the reducing clamping head sliding table 1.14 to move is further arranged on the reducing workbench,

the rotating shaft 1.16 and the reducing holding head 1.17 are both arranged in a hollow mode, an air valve support 1.20 is arranged on the right side of the second mounting vertical plate 1.15, an air valve 1.21 is arranged on the air valve support 1.20, an air inlet of the air valve 1.21 is connected with an air supply source, a rotating connector 1.22 is arranged on an air outlet of the air valve 1.21, and the rotating connector 1.22 is communicated with an inner hole in the right end of the rotating shaft 1.16 through a connecting pipe 1.23; a right shaft support 8 and a left shaft support 7 are mounted at the front end and the rear end of the lower surface of the reducing workbench, the lower ends of the left shaft support 7 and the right shaft support 8 are fixed on the base 4, a transmission shaft 6 is rotatably arranged on the left shaft support 7 and the right shaft support 8, a first chain wheel 9 is fixedly arranged at the left end of the transmission shaft 6, a second chain wheel 10 is fixedly arranged in the middle of the transmission shaft 6, a third chain wheel 11 is slidably arranged at the other end of the transmission shaft 6, a reduction motor 5 is fixed on the upper surface of the base 4, a fourth chain wheel is arranged on a power output shaft of the reduction motor 5, a chain C is wound on the fourth chain wheel and the second chain wheel 10, a chain A12 is wound on the first chain wheel 9 and the chain wheel A1.3, a chain B13 is wound on the third chain wheel 11 and the chain wheel B1.18, the upper end of the connecting plate 14 is connected with a reducing clamping head sliding table 1.14, the lower end; a middle riding wheel mounting plate 1.7 is mounted on the right side of the left end vertical plate 1.1, a riding wheel seven 1.5 is arranged on one side of the middle riding wheel mounting plate 1.7, and a riding wheel eight 1.6 matched with the riding wheel seven 1.5 is arranged on the other side of the middle riding wheel mounting plate 1.7.

The working principle of the specific embodiment is as follows: selecting a glass tube with the same inner diameter and outer diameter as a blank tube, placing the blank tube on a head glass tube diameter changing device 1, a middle glass tube rotary supporting mechanism 2 and a tail glass tube grooving device 3, enabling a blank tube cylinder 1.2 and a manual multi-jaw chuck 1.4 to pass through, respectively clamping a conical hole expanding head 3.12 and a diameter changing clamping head 1.17 at two ends of the blank tube, operating an operator at the head glass tube diameter changing device 1, positioning and clamping the blank tube through the manual multi-jaw chuck 1.4, starting a speed reducing motor 5, driving the manual multi-jaw chuck 1.4 to rotate by the speed reducing motor 5 to drive the blank tube to rotate, then starting the diameter changing heating baking gun 1.12 to heat the blank tube above the diameter changing heating baking gun 1.12 to a certain degree, closing the diameter changing heating baking gun 1.12, respectively pushing a left side pushing mechanism 1.10 and a right side pushing mechanism 1.11 to respectively push a left side half diameter changing sleeve 1.8 and a right side half diameter changing sleeve 1.9 to mutually approach each other, after the blank pipes are closed, an air valve 1.21 is opened to inflate the blank pipes, the blank pipes in the left reducing half sleeve 1.8 and the right reducing half sleeve 1.9 are deformed, enlarged and processed into the expanding pipes, the left pushing mechanism 1.10 and the right pushing mechanism 1.11 respectively push the left reducing half sleeve 1.8 and the right reducing half sleeve 1.9 to be separated from each other, and a reducing heating baking gun 1.12 is opened to anneal the expanding pipes;

the processing flow of the other end of the blank pipe is as follows: and (3) starting a tail end baking gun 3.13, heating the tail end of the blank pipe, after the blank pipe is softened, gradually extending a conical chambering head 3.12 into the blank pipe under the pushing of a third driving cylinder 3.11 to form a tapered tail end, simultaneously enabling a cutting groove wheel 3.14 to approach the blank pipe under the pushing of a fourth driving cylinder 3.19, processing an annular groove on the surface of the blank pipe under the action of the cutting groove wheel 3.14, retracting the conical chambering head 3.12, retracting a reducing holding head 1.17, removing the limitation of the manual multi-jaw chuck 1.4 on the blank pipe, and taking down the processed glass pipe.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blank pipe reducing equipment which characterized in that: comprises a base (4); the head glass tube reducing device (1) is arranged at the head of the base (4), and the head glass tube reducing device (1) is used for processing one section of the head end of the blank straight tube into an expanded diameter tube; the tail glass tube grooving device (3) is mounted at the tail of the base (4), and the tail glass tube grooving device (3) is used for machining the tail end of the blank straight tube into an annular groove; a middle glass tube rotary supporting mechanism (2) is installed on a base (4) between the head glass tube reducing device (1) and the tail glass tube grooving device (3), and the middle glass tube rotary supporting mechanism (2) is used for rotatably supporting the middle section of a blank straight tube.

2. The reducing apparatus for a billet tube according to claim 1, wherein: the middle glass tube rotary supporting mechanism (2) is provided with at least one.

3. The reducing apparatus for a billet tube according to claim 2, wherein: the middle glass tube rotary supporting mechanism (2) comprises a supporting roller plate mounting frame (2.1), a left side supporting roller mounting plate (2.2) and a right side supporting roller mounting plate (2.3) are arranged on the front side and the rear side of the supporting roller plate mounting frame (2.1) respectively, a first supporting roller (2.4) is mounted on one side of the left side supporting roller mounting plate (2.2), the other side of the left side supporting roller mounting plate (2.2) is provided with a second supporting roller (2.5), one side of the right side supporting roller mounting plate (2.3) is provided with a third supporting roller (2.6), the other side of the right side supporting roller mounting plate (2.3) is provided with a fourth supporting roller (2.7) matched with the third supporting roller (2.6), the first supporting roller (2.4) and the third supporting roller (2.6) are coaxially arranged, and the second supporting roller (2.5) and the fourth supporting roller (2.7) are.

4. The reducing apparatus for a billet tube according to claim 3, wherein: the first riding wheel (2.4), the second riding wheel (2.5), the third riding wheel (2.6) and the fourth riding wheel (2.7) are all made of nylon rods.

5. The reducing apparatus for a billet tube according to claim 3, wherein: the tail glass tube grooving device (3) comprises a tail work table (3.1) arranged at the tail of a base (4), a length direction slide rail (3.2) which is consistent with the length direction of the base (4) is arranged on the tail work table (3.1), a front sliding table and a rear sliding table (3.3) are arranged on the length direction slide rail (3.2) in a sliding manner, a first driving cylinder (3.4) used for driving the front sliding table and the rear sliding table (3.3) to slide is arranged at the tail of the tail work table (3.1), a vertical direction slide rail (3.5) which is vertical to the length direction of the base (4) is arranged on the upper surface of the front sliding table and the rear sliding table (3.3), a vertical direction sliding table (3.6) is arranged on the vertical direction slide rail (3.5), a second driving cylinder (3.7) used for driving the vertical direction sliding table (3.6) to slide is arranged at one end of the front sliding table and the rear sliding table (3.3), a vertical first, the first shaft sleeve vertical plate (3.8) is provided with a first shaft sleeve (3.9), the first shaft sleeve (3.9) is internally provided with a tail clamping optical axis (3.10) in a sliding manner, the first shaft sleeve vertical plate (3.8) is fixedly provided with a third driving cylinder (3.11), the other end of the third driving cylinder (3.11) is fixedly connected with the left end of the tail clamping optical axis (3.10), and the other end of the tail clamping optical axis (3.10) is provided with a conical reaming head (3.12).

6. The reducing apparatus for a billet tube according to claim 5, wherein: one side of the tail workbench (3.1) is further provided with a grooving wheel support (3.18), the upper portion of the grooving wheel support (3.18) is provided with a second shaft sleeve (3.17), a second optical shaft (3.16) is arranged in the second shaft sleeve (3.17) in a sliding mode, the front end of the second optical shaft (3.16) is connected with a vertical support (3.15), the bottom end of the vertical support (3.15) is connected with a grooving wheel (3.14) in a rotating mode, one end of a fourth driving cylinder (3.19) is connected with the tail portion of the second optical shaft (3.16), a cylinder body of the fourth driving cylinder (3.19) is fixed on the grooving wheel support (3.18), the upper surface of the tail workbench (3.1) is provided with a tail end baking gun (3.13), and the tail end baking gun (3.13) is matched with the grooving wheel (3.14) and the conical reaming head (3.12).

7. The reducing apparatus for a billet tube according to claim 6, wherein: fifth tow boat (3.20) and sixth tow boat (3.21) are installed to the head end of afterbody workstation (3.1), and fifth tow boat (3.20) and the coaxial setting of riding wheel two (2.5) and structure are the same, and sixth tow boat (3.21) and riding wheel one (2.4) coaxial setting and structure are the same.

8. The reducing apparatus for a billet tube according to claim 7, wherein: the head glass tube reducing device (1) comprises a reducing workbench arranged at the front end of a base (4), a left end vertical plate (1.1) is arranged on the left side of the reducing workbench, a through hole for mounting a bearing A is formed in the left end vertical plate (1.1), a cylinder (1.2) is arranged on the left end vertical plate (1.1) through the bearing A, a chain wheel A (1.3) is arranged at the left end of the left end vertical plate (1.1), a manual multi-claw chuck (1.4) is arranged at the right end of the left end vertical plate (1.1),

the diameter-variable heating baking gun (1.12) is arranged in the middle of the diameter-variable workbench, the left diameter-variable half sleeve (1.8) and the right diameter-variable half sleeve (1.9) are symmetrically arranged on two sides of the diameter-variable heating baking gun (1.12), the left pushing mechanism (1.10) for driving the left diameter-variable half sleeve (1.8) to move and the right pushing mechanism (1.11) for driving the right diameter-variable half sleeve (1.9) to move are arranged on the diameter-variable workbench, the left diameter-variable half sleeve (1.8) and the right diameter-variable half sleeve (1.9) are mutually close to each other and spliced into a diameter-variable cylinder,

the right end of the reducing workbench is provided with a reducing clamping head sliding rail (1.13), the reducing clamping head sliding rail (1.13) is provided with a reducing clamping head sliding table (1.14) in a sliding manner, the right side of the reducing clamping head sliding table (1.14) is provided with a second mounting vertical plate (1.15), the second mounting vertical plate (1.15) is provided with a through hole for mounting a bearing B, a rotating shaft (1.16) is rotatably mounted on the second mounting vertical plate (1.15) through the bearing B, the left end of the rotating shaft (1.16) is provided with a reducing clamping head (1.17), the right end of the rotating shaft (1.16) is provided with a chain wheel B (1.18), the reducing workbench is also provided with a second mounting vertical plate pushing cylinder (1.19) for pushing the reducing clamping head sliding table (1.14) to,

the equal cavity setting of pivot (1.16) and reducing clamping head (1.17), gas valve support (1.20) are installed on the right side of installation riser two (1.15), install gas valve (1.21) on gas valve support (1.20), the air supply source is connected to the air inlet of gas valve (1.21), install on the gas outlet of gas valve (1.21) and rotate connector (1.22), rotate connector (1.22) and pass through the hole intercommunication of connecting pipe (1.23) and pivot (1.16) right-hand member.

9. The reducing apparatus for a billet tube according to claim 8, wherein: the front end and the rear end of the lower surface of the reducing workbench are provided with a right shaft support (8) and a left shaft support (7), the lower ends of the left shaft support (7) and the right shaft support (8) are fixed on the base (4), the left shaft support (7) and the right shaft support (8) are rotatably provided with a transmission shaft (6), the left end of the transmission shaft (6) is fixedly provided with a first chain wheel (9), the middle part of the transmission shaft (6) is fixedly provided with a second chain wheel (10), the other end of the transmission shaft (6) is slidably provided with a third chain wheel (11), the upper surface of the base (4) is fixedly provided with a speed reducing motor (5), a power output shaft of the speed reducing motor (5) is provided with a fourth chain wheel, the fourth chain wheel and the second chain wheel (10) are wound with a chain C, the first chain wheel (9) and the chain wheel A (1.3) are wound with a chain A (12), the third chain wheel (11, the upper end of the connecting plate (14) is connected with a reducing clamping head sliding table (1.14), the lower end of the connecting plate (14) is connected with a third chain wheel (11), and an avoiding groove (15) for the connecting plate (14) and the chain B (13) to pass through is formed in the reducing workbench.

10. The reducing apparatus for a billet tube according to claim 9, wherein: a middle riding wheel mounting plate (1.7) is mounted on the right side of the left end vertical plate (1.1), a riding wheel seven (1.5) is arranged on one side of the middle riding wheel mounting plate (1.7), and a riding wheel eight (1.6) matched with the riding wheel seven (1.5) is arranged on the other side of the middle riding wheel mounting plate (1.7).