Surface grooving device for spline shaft machining

By improving the clamping components and motor adjustment structure, the problems of spline shaft tilting and falling off during grooving have been solved, achieving higher stability and flexibility and reducing maintenance costs.

CN224043167UActive Publication Date: 2026-03-27GUAN TAIJIELONG MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing surface grooving devices for spline shaft machining are prone to causing spline shafts to tilt or fall off during clamping, and the small contact surface results in poor stability.

Method used

The clamping assembly consists of a first fixed plate, a second fixed plate, and connected components, which increases the contact area between the clamping parts and the spline shaft. The position of the fixed plate is adjusted by a second motor and a threaded rod. Combined with a movable chuck, slide bar, and gear structure, the clamping stability and flexibility are improved.

Benefits of technology

It improves the stability of the spline shaft during the grooving process, avoids tilting and detachment, enhances the flexibility and efficiency of the device, and reduces maintenance needs and costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of spline shaft grooving machining, and particularly relates to a surface grooving device for spline shaft machining, which comprises a grooving table, and a first fixing disc and a second fixing disc are arranged at the top of the grooving table; limiting blocks are fixedly connected to the side wall of the first fixing disc and the side wall of the second fixing disc. The interiors of the two limiting blocks are connected with movable chucks in a sliding mode. A sliding rod is fixedly connected to the side wall of the movable chuck. A driven gear is rotationally connected between the sliding rod and the limiting block. A sliding groove is formed in the side wall of the driven gear. The side wall of the driven gear is engaged with a gear with a rod; the spline shaft is fixed to the top of the grooving table through the clamping assembly composed of the first fixing disc, the second fixing disc and the connecting assembly of the first fixing disc and the second fixing disc, compared with a traditional two-end clamping piece, the contact area between the clamping piece and the spline shaft is increased, and the stability of the spline shaft in the grooving process can be improved; and inclination and separation of the spline shaft are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to spline shaft slotting processing technical field, specifically is a kind of surface slotting device for spline shaft machining. BACKGROUND

[0002] Spline shaft is a kind of mechanical transmission, and flat key, half round key, wedge key have the same effect, all are to transmit mechanical torque, there is longitudinal keyway on the outer surface of shaft, rotating member on the shaft also has corresponding keyway, can keep synchronous rotation with shaft, while rotating, some can also slide longitudinally on the shaft, such as gearbox gear shift gear etc.

[0003] The existing surface slotting device for spline shaft machining generally adopts the method of clamping the spline shaft to be slotted at both ends to place it at the bottom of slotting cutter, and the clamping pieces at both ends need to continuously exert pressure during slotting to ensure the stability of the spline shaft, however, since the clamping pieces only contact the both ends of the spline shaft, the contact area between the clamping pieces and the spline shaft is small, and the spline shaft is prone to tilting and falling off.

[0004] Therefore, the utility model provides a surface slotting device for spline shaft machining. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0006] The utility model discloses a kind of surface slotting devices for spline shaft machining, including slotting table, the top of the slotting table is provided with first fixed disc and second fixed disc;Limiting block is fixedly connected on the side wall of the first fixed disc and second fixed disc, and two described limiting blocks are symmetrically arranged;Two described movable chucks are slidably connected in the inside of limiting block, and multiple described movable chucks are circumferentially arrayed and arranged;Slide bar is fixedly connected on the side wall of the movable chuck;Driven gear is rotatably connected between the slide bar and limiting block;Slotted is formed on the side wall of the driven gear, and multiple described slotted are set in position and size corresponding to slide bar;The side wall of the driven gear is engaged with rod gear;Fixed cylinder is fixedly connected on the side wall of the first fixed disc and second fixed disc, and the rod gear and fixed cylinder are in rotatable connection;Transmission wheel is fixedly connected to the end of the rod gear away from 2;First motor is fixedly connected on the side wall of the first fixed disc and second fixed disc, and track is arranged between the first motor and transmission wheel;This step is fixed by the clamping assembly of first fixed disc, second fixed disc and the interconnection assembly of first fixed disc and second fixed disc and is placed on the top of slotting table, compared with traditional two-end clamping piece, the contact area between clamping piece and spline shaft is increased, which is conducive to improving the stability of spline shaft during slotting, to avoid the inclination and separation of spline shaft.

[0007] Preferably, a limiting groove is formed on the side wall of the first fixed disc; a limiting protrusion is formed on the top of the slotted table, and the size of the limiting protrusion is set corresponding to the limiting groove; a second motor is fixedly connected to the side wall of the slotted table, and a threaded rod is fixedly connected to the output end of the second motor; the threaded rod is in threaded connection with the first fixed disc; this step realizes the position adjustment of the first fixed disc by setting the second motor and the threaded rod, thereby avoiding the influence of the clamping assembly of the device on the fixing of the spline shaft, improving the flexibility and practicality of the device, and facilitating the improvement of the work efficiency of the staff and the reduction of the inconvenience of work.

[0008] Preferably, a scrap box is arranged on the top of the slotted table; a clamping rod is rotatably connected to the side wall of the slotted table; a clamping block is fixedly connected to the side wall of the slotted table, and the position and size of the clamping block are set corresponding to the clamping rod; this step collects the slotted scraps of the spline shaft by setting the scrap box, and fixes the scrap box by setting the clamping rod and the clamping block, thereby avoiding the sliding and disengagement of the scrap box, enhancing the practicality of the device, and providing convenience for the equipment maintenance of the staff.

[0009] Preferably, a clamping piece is arranged on the side wall of the movable chuck; a fixing bolt is fixedly connected to the side wall of the clamping piece, and the fixing bolt penetrates through the side wall of the movable chuck; this step increases the contact area of the clamping assembly and the spline shaft by setting the clamping piece, thereby achieving better contact effect, and enhances the flexibility of the device by setting the fixing bolt to install the clamping piece, which is conducive to improving the applicability of the device.

[0010] Preferably, a reinforcing block is fixedly connected to the side wall of the movable chuck; an active slot is formed on the side wall of the limiting block, and a plurality of active slots are set corresponding to the position and size of the reinforcing block; this step increases the volume of the components at the corner of the movable chuck by setting the reinforcing block and the active slot, thereby enhancing the structural strength of the components of the device, which is conducive to prolonging the service life of the device, reducing the maintenance demand and maintenance cost.

[0011] Preferably, a clamping tooth is arranged on the side wall of the clamping piece, and a plurality of clamping teeth are arranged in linear array; the clamping tooth is made of rubber material; this step improves the contact effect of the clamping piece and the spline shaft by setting the clamping tooth and adopting rubber material for the clamping tooth, which is conducive to improving the clamping fault tolerance of the device and avoiding the slipping of the spline shaft during the slotting process.

[0012] Preferably, the first fixed disc, the second fixed disc, the driven gear, the gear with a rod, the transmission wheel, the first motor, the sliding rod, the limiting block and the movable chuck adopt stainless steel material; this step maintains the surface smoothness of the first fixed disc, the second fixed disc, the driven gear, the gear with a rod, the transmission wheel, the first motor, the sliding rod, the limiting block and the movable chuck by adopting stainless steel material, avoids the assembly from being stuck, and reduces the maintenance requirement and the maintenance cost of the device.

[0013] The utility model discloses the beneficial effects are as follows:

[0014] 1. The utility model discloses a surface grooving device for spline shaft processing, the first fixed disc, the second fixed disc and the connecting assembly of the first fixed disc and the second fixed disc are set up and the clamping assembly is formed, and the spline shaft is fixed on the top of the grooving table, compared with the traditional two-end clamping piece, the contact area between the clamping piece and the spline shaft is increased, which is beneficial to improve the stability of the spline shaft during the grooving process and avoid the inclination and separation of the spline shaft.

[0015] 2. The utility model discloses a surface grooving device for spline shaft processing, the position of the first fixed disc is adjustable through the setting of the second motor and the threaded rod, so that the fixation of the clamping assembly of the device on the spline shaft is avoided, the flexibility and the practicability of the device are improved, the work efficiency of the staff is improved, and the inconvenience of work is reduced. DRAWINGS

[0016] The utility model will be further described below in combination with the drawings.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the structure schematic view of the first fixed disc in the utility model;

[0019] Figure 3 It is the structure schematic view of the gear with a rod in the utility model;

[0020] Figure 4 It is the structure schematic view of the movable chuck in the utility model;

[0021] Figure 5 It is the structure schematic view of the clamping piece in the utility model.

[0022] As shown in the figure, 1 is a grooving table, 2 is a first fixed disc, 3 is a second fixed disc, 4 is a driven gear, 5 is a gear with a rod, 6 is a fixed cylinder, 7 is a transmission wheel, 8 is a first motor, 9 is a sliding groove, 10 is a sliding rod, 11 is a limiting block, 12 is a movable chuck, 13 is a clamping piece, 14 is a clamping tooth, 15 is a reinforcing block, 16 is a fixing bolt, 17 is a scrap box, 18 is a clamping rod, 19 is a clamping block, 20 is a second motor, 21 is a threaded rod, and 22 is a limiting groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] The specific embodiments are given below.

[0025] As Figures 1 to 5As shown, the utility model discloses a kind of surface grooving devices for spline shaft machining, including grooving table 1, the top of grooving table 1 is provided with first fixed disc 2 with second fixed disc 3;Limiting block 11 is fixedly connected on the side wall of first fixed disc 2 with second fixed disc 3, and two limiting blocks 11 are symmetrically arranged;Two limiting blocks 11 are slidably connected with movable chuck 12, and multiple movable chucks 12 are arranged in circumferential array;Slide bar 10 is fixedly connected on the side wall of movable chuck 12;Driven gear 4 is rotatably connected between slide bar 10 and limiting block 11;Slotted 9 is formed on the side wall of driven gear 4, and the position and size of multiple slotted 9 are set corresponding to slide bar 10;Gear with rod 5 is engaged on the side wall of driven gear 4;Fixed cylinder 6 is fixedly connected on the side wall of first fixed disc 2 with second fixed disc 3, and gear with rod 5 and fixed cylinder 6 are in rotatable connection;Transmission wheel 7 is fixedly connected to the end of gear with rod 5 away from 2;First motor 8 is fixedly connected on the side wall of first fixed disc 2 with second fixed disc 3, and track is provided between first motor 8 and transmission wheel 7;When working, staff can use the clamping assembly consisting of first fixed disc 2, second fixed disc 3, driven gear 4, gear with rod 5, transmission wheel 7, first motor 8, slide bar 10, limiting block 11, movable chuck 12 to clamp spline shaft needing to be grooved on the top of grooving table 1, so as to use cutting tool to groove spline shaft, in the process, whenever first motor 8 fixedly connected on the side wall of first fixed disc 2 with second fixed disc 3 is driven, the power of first motor 8 can be transmitted to transmission wheel 7 by track, and gear with rod 5 in rotatable connection with first fixed disc 2 and fixed cylinder 6 is rotated, with the rotation of gear with rod 5, driven gear 4 will rotate synchronously, at this time, multiple slotted 9 formed on the side wall of driven gear 4 will respectively extrude multiple slide bars 10, after multiple slide bars 10 are extruded, multiple slide bars 10 slidably connected in the inside of limiting block 11 will displace, until the side wall of multiple movable chucks 12 contacts the surface of spline shaft, wherein because the size of driven gear 4 is greater than gear with rod 5, stress from first motor 8 will be amplified in the process of being transmitted from gear with rod 5 to driven gear 4;This step fixes spline shaft on the top of grooving table 1 by setting the clamping assembly consisting of first fixed disc 2, second fixed disc 3 and the connecting assembly of first fixed disc 2 and second fixed disc 3, compared with traditional two-end clamping piece, the contact area between clamping piece and spline shaft is increased, which is beneficial to improve the stability of spline shaft in grooving process, to avoid that spline shaft is inclined or separated.

[0026] As Figure 1 With Figure 2As shown, the side wall of the first fixed disc 2 is provided with a limiting groove 22; the top of the slotted table 1 is provided with a limiting block, and the size of the limiting block corresponds to the size of the limiting groove 22; the side wall of the slotted table 1 is fixedly connected with a second motor 20, and the output end of the second motor 20 is fixedly connected with a threaded rod 21; the threaded rod 21 is in threaded connection with the first fixed disc 2; in working, the staff can adjust the position of the first fixed disc 2 by driving the second motor 20, so as to more conveniently complete the fixing of the spline shaft, and in the process, whenever the second motor 20 is driven, the threaded rod 21 fixedly connected with the output end of the second motor 20 will rotate, at this time, since the threaded rod 21 is in threaded connection with the first fixed disc 2, and the limiting groove 22 and the limiting block provided on the top of the slotted table 1 are in contact and limited with each other, with the rotation of the threaded rod 21, the first fixed disc 2 will move in the horizontal direction; this step realizes the position adjustment of the first fixed disc 2 by setting the second motor 20 and the threaded rod 21, so as to avoid the influence of the clamping assembly of the device on the fixing of the spline shaft, improve the flexibility and practicality of the device, and be beneficial to improving the work efficiency of the staff and reducing the inconvenience of work.

[0027] As shown in the figure, Figure 1 The top of the slotted table 1 is provided with a scrap box 17; the side wall of the slotted table 1 is rotatably connected with a clamping rod 18; the side wall of the slotted table 1 is fixedly connected with a clamping block 19, and the position and size of the clamping block 19 correspond to those of the clamping rod 18; in working, the staff can place the scrap box 17 on the top of the slotted table 1, and fix the scrap box 17 by using the clamping rod 18 and the clamping block 19, wherein, whenever the scrap inside the scrap box 17 needs to be cleaned, the staff can first turn the clamping rod 18 open, so as to take out the scrap box 17; this step collects the slotted scraps of the spline shaft by setting the scrap box 17, and fixes the scrap box 17 by setting the clamping rod 18 and the clamping block 19, so as to avoid the sliding and separation of the scrap box 17, and enhance the practicality of the device, which provides convenience for the equipment maintenance of the staff.

[0028] As shown in the figure, Figure 4 The side wall of the movable chuck 12 is provided with a clamping piece 13; the side wall of the clamping piece 13 is fixedly connected with a fixing bolt 16, and the fixing bolt 16 penetrates through the side wall of the movable chuck 12; in working, the staff installs the clamping piece 13 on the side wall of the movable chuck 12 by means of the fixing bolt 16, so as to further improve the contact area between the clamping assembly and the spline shaft, wherein, due to the existence of the fixing bolt 16, the staff can conveniently replace the clamping pieces 13 of different sizes to adapt to spline shafts of different sizes; this step increases the contact area between the clamping assembly and the spline shaft by setting the clamping piece 13, so as to achieve better contact effect, and installs the clamping piece 13 by setting the fixing bolt 16, which enhances the flexibility of the device and is beneficial to improving the applicability of the device.

[0029] AsFigure 5 As shown, the side wall of the movable chuck 12 is fixed with a reinforcing block 15; the side wall of the limiting block 11 is provided with movable grooves, and the position and size of the movable grooves correspond to the reinforcing block 15; in work, the reinforcing block 15 fixed on the side wall of the movable chuck 12 increases the volume of the corner of the movable chuck 12, which is beneficial to avoid the damage of the movable chuck 12 under stress, wherein the multiple movable grooves provided on the side wall of the limiting block 11 can avoid the conflict between the reinforcing block 15 and the limiting block 11; this step increases the component volume of the corner of the movable chuck 12 by setting the reinforcing block 15 and the movable groove, which enhances the structural strength of the device component, is beneficial to prolong the service life of the device, reduces the maintenance requirements and maintenance costs.

[0030] As shown in the figure, Figure 5 The side wall of the clamping piece 13 is provided with clamping teeth 14, and multiple clamping teeth 14 are arranged in a linear array; the clamping teeth 14 are made of rubber material; in work, the multiple clamping teeth 14 fixed on the side wall of the clamping piece 13 and made of rubber material can improve the contact effect between the clamping piece 13 and the spline shaft by deforming under stress; this step improves the contact effect between the clamping piece 13 and the spline shaft by setting the clamping teeth 14 and using rubber material for the clamping teeth 14, which is beneficial to improve the clamping fault tolerance of the device and avoid the slipping of the spline shaft during slotting.

[0031] As shown in the figure, Figures 1 to 5 The first fixed disc 2, the second fixed disc 3, the driven gear 4, the gear with rod 5, the transmission wheel 7, the first motor 8, the slide rod 10, the limiting block 11, and the movable chuck 12 are made of stainless steel; in work, the first fixed disc 2, the second fixed disc 3, the driven gear 4, the gear with rod 5, the transmission wheel 7, the first motor 8, the slide rod 10, the limiting block 11, and the movable chuck 12 made of stainless steel can keep the surface clean for a long time and maintain their structural strength; this step maintains the smoothness of the surface of the first fixed disc 2, the second fixed disc 3, the driven gear 4, the gear with rod 5, the transmission wheel 7, the first motor 8, the slide rod 10, the limiting block 11, and the movable chuck 12 by using stainless steel, which avoids the jamming of the components and reduces the maintenance requirements and maintenance costs of the device.

[0032] In working, the worker can use the clamping assembly composed of the first fixed disc 2, the second fixed disc 3, the driven gear 4, the belt rod gear 5, the transmission wheel 7, the first motor 8, the sliding rod 10, the limiting block 11 and the movable chuck 12 to clamp the spline shaft to be slotted on the top of the slotting table 1, so as to use the cutting tool to slot the spline shaft, in the process, whenever the first motor 8 fixed on the side wall of the first fixed disc 2 and the second fixed disc 3 is driven, the power of the first motor 8 can be transmitted to the transmission wheel 7 by the track, and the belt rod gear 5 in rotational connection with the first fixed disc 2 and the fixed cylinder 6 rotates, accompanied by the rotation of the belt rod gear 5, the driven gear 4 rotates synchronously, at this time, the plurality of sliding grooves 9 opened on the side wall of the driven gear 4 will respectively extrude the plurality of sliding rods 10, after the plurality of sliding rods 10 are extruded, the plurality of sliding rods 10 slidingly connected in the limiting block 11 will displace until the side wall of the plurality of movable chucks 12 contacts the surface of the spline shaft, wherein, since the size of the driven gear 4 is larger than that of the belt rod gear 5, the stress from the first motor 8 will be amplified in the process of being transmitted from the belt rod gear 5 to the driven gear 4, the worker can adjust the position of the first fixed disc 2 by driving the second motor 20, so as to more conveniently complete the fixation of the spline shaft, in the process, whenever the second motor 20 is driven, the threaded rod 21 fixed on the output end of the second motor 20 will rotate, at this time, since the threaded rod 21 is in threaded connection with the first fixed disc 2, and the limiting groove 22 is in contact with and limited by the limiting protrusion opened on the top of the slotting table 1, accompanied by the rotation of the threaded rod 21, the first fixed disc 2 will move in the horizontal direction, the worker can place the scrap box 17 on the top of the slotting table 1, and fix the scrap box 17 by using the clamping rod 18 and the clamping block 19, wherein, whenever it is needed to clean the scrap in the scrap box 17, the worker can first turn away the clamping rod 18, so as to take out the scrap box 17, the worker installs the clamping piece 13 on the side wall of the movable chuck 12 by means of the fixing bolt 16, so as to further increase the contact area between the clamping assembly and the spline shaft, wherein, due to the existence of the fixing bolt 16, the worker can conveniently replace the clamping pieces 13 of different sizes to adapt to the spline shafts of different sizes, the reinforcing block 15 fixed on the side wall of the movable chuck 12 increases the volume of the corner of the movable chuck 12, which is conducive to avoiding the damage of the movable chuck 12 under stress, wherein, the plurality of movable grooves opened on the side wall of the limiting block 11 can avoid the conflict between the reinforcing block 15 and the limiting block 11, the plurality of clamping teeth 14 fixed on the side wall of the clamping piece 13 and made of rubber material can improve the contact effect between the clamping piece 13 and the spline shaft by means of stress deformation, the first fixed disc 2, the second fixed disc 3, the driven gear 4, the belt rod gear 5, the transmission wheel 7, the first motor 8, the sliding rod 10, the limiting block 11 and the movable chuck 12 made of stainless steel can keep the surface clean for a long time and maintain the structural strength.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A surface slitting device for spline shaft machining, comprising a slitting table (1), characterized in that: The top of the slotting table (1) is provided with a first fixed disc (2) and a second fixed disc (3); the side wall of the first fixed disc (2) and the second fixed disc (3) is fixedly connected with a limiting block (11), and the two limiting blocks (11) are symmetrically arranged; the inside of the two limiting blocks (11) is slidably connected with a movable chuck (12), and a plurality of movable chucks (12) are arranged in a circumferential array; the side wall of the movable chuck (12) is fixedly connected with a sliding rod (10); the sliding rod (10) and the limiting block (11) are rotatably connected with a driven gear (4); the side wall of the driven gear (4) is provided with a sliding groove (9), and a plurality of sliding grooves (9) are arranged corresponding to the position and size of the sliding rod (10); the side wall of the driven gear (4) is engaged with a gear with a rod (5); the side wall of the first fixed disc (2) and the second fixed disc (3) is fixedly connected with a fixed cylinder (6), and the gear with a rod (5) and the fixed cylinder (6) are in a rotatable connection; the end of the gear with a rod (5) away from 2 is fixedly connected with a transmission wheel (7); the side wall of the first fixed disc (2) and the second fixed disc (3) is fixedly connected with a first motor (8), and a track is arranged between the first motor (8) and the transmission wheel (7).

2. A surface slitting device for spline shaft machining according to claim 1, characterized in that: The side wall of the first fixed disc (2) is provided with a limiting groove (22); the top of the slotting table (1) is provided with a limiting protrusion, and the limiting protrusion is arranged corresponding to the size of the limiting groove (22); the side wall of the slotting table (1) is fixedly connected with a second motor (20), and the output end of the second motor (20) is fixedly connected with a threaded rod (21); the threaded rod (21) and the first fixed disc (2) are in a threaded connection.

3. A surface grooving device for spline shaft machining according to claim 2, characterized in that: The top of the slotting table (1) is provided with a scrap box (17); the side wall of the slotting table (1) is rotatably connected with a clamping rod (18); the side wall of the slotting table (1) is fixedly connected with a clamping block (19), and the clamping block (19) is arranged corresponding to the position and size of the clamping rod (18).

4. The surface slitting device for spline shaft machining according to claim 1, characterized in that: The side wall of the movable chuck (12) is provided with a clamping piece (13); the side wall of the clamping piece (13) is fixedly connected with a fixed bolt (16), and the fixed bolt (16) penetrates the side wall of the movable chuck (12).

5. A surface grooving device for spline shaft machining according to claim 4, characterized in that: The side wall of the movable chuck (12) is fixedly connected with a reinforcing block (15); the side wall of the limiting block (11) is provided with a movable groove, and a plurality of movable grooves are arranged corresponding to the position and size of the reinforcing block (15).

6. A surface grooving device for spline shaft machining according to claim 5, characterized in that: The side wall of the clamping piece (13) is provided with a clamping tooth (14), and a plurality of clamping teeth (14) are arranged in a linear array; the clamping tooth (14) is made of rubber material.

7. The surface slitting device for spline shaft machining according to claim 1, characterized in that: The first fixed disc (2), the second fixed disc (3), the driven gear (4), the gear with a rod (5), the transmission wheel (7), the first motor (8), the sliding rod (10), the limiting block (11), and the movable chuck (12) are made of stainless steel.