Double-sided S-shaped track automatic sand blasting machine

Abstract

The utility model belongs to the technical field of sand blasting machines, and particularly discloses a double-faced S-shaped track automatic sand blasting machine which comprises a machine body, an upper connecting rod, a row of conveying rollers and a lower connecting rod are sequentially arranged in the machine body from top to bottom at intervals, the two ends of each conveying roller are rotationally connected with the machine body, and the upper connecting rod and the lower connecting rod are both in sliding connection with the machine body. The upper connecting rod and the lower connecting rod move in a reciprocating mode, a plurality of upper spray guns used for blasting sand downwards are arranged on the upper connecting rod at intervals, a plurality of lower spray guns used for blasting sand upwards are arranged on the lower connecting rod at intervals, and all the conveying rollers are located between all the upper spray guns and all the lower spray guns. According to the utility model, a row of conveying rollers are utilized to rotationally convey products, so that the products move forwards slowly, and meanwhile, the upper spray gun and the lower spray gun move back and forth quickly, so that a unique S-shaped sand blasting track is formed, the sand blasting track not only covers the whole surfaces of the products, but also ensures the uniformity and comprehensiveness of sand blasting, and automatic and uniform sand blasting treatment on two surfaces of the products is realized; and the sand blasting efficiency and quality are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sandblasting machines, in particular to a double-sided S-shaped track automatic sandblasting machine. Background Art

[0002] In modern industrial manufacturing, surface treatment technology is crucial for improving product quality, enhancing material performance, and enhancing aesthetics. Plate-shaped products made of materials like metal and plastic often require sandblasting to remove burrs, increase roughness, and improve coating adhesion. Traditional sandblasting machines, which typically use one-way blasting or fixed spray guns, suffer from uneven blasting, low efficiency, and difficulty achieving double-sided blasting, making them incapable of meeting the demands of high-precision and high-efficiency production.

[0003] To address the above-mentioned issues, a variety of automatic sandblasting machines have gradually appeared on the market. However, most of these devices still have deficiencies in terms of blasting trajectory control, blasting uniformity, and double-sided blasting capabilities. For example, although one-way sandblasting machines can be automated, the blasting effect is often limited to one side of the product, making it difficult to achieve uniform double-sided blasting. Equipment using fixed spray guns is prone to a single blasting trajectory due to the fixed position of the spray gun, making it difficult to ensure uniform and comprehensive blasting. This is especially true for thin plate workpieces, which can suffer from large deformation, uneven surface texture, S-shaped yin-yang lines, and insufficient equipment production capacity after sandblasting, resulting in low sandblasting efficiency and quality.

[0004] Therefore, the inventor is committed to designing a sandblasting machine to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a double-sided S-shaped track automatic sandblasting machine, which can realize automatic and uniform sandblasting treatment on both sides of a product, and significantly improve the sandblasting efficiency and sandblasting quality.

[0006] In order to achieve the above-mentioned purpose, a technical solution adopted by the present utility model is:

[0007] A double-sided S-shaped track automatic sandblasting machine includes a machine body, in which an upper connecting rod, a row of conveying rollers and a lower connecting rod are sequentially arranged from top to bottom, both ends of each conveying roller are rotatably connected to the machine body, the upper connecting rod and the lower connecting rod are both slidably connected to the machine body, and the upper connecting rod and the lower connecting rod both reciprocate along the axial direction of the conveying roller, a plurality of upper spray guns for downward sandblasting are arranged at intervals on the upper connecting rod, and a plurality of lower spray guns for upward sandblasting are arranged at intervals on the lower connecting rod, and all the conveying rollers are located between all the upper spray guns and all the lower spray guns.

[0008] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the utility model, all the upper spray guns are divided into two groups, the two groups of upper spray guns are staggered and arranged in a row on the upper connecting rod, and all the lower spray guns are coaxially arranged in a one-to-one correspondence with one group of upper spray guns.

[0009] As an improvement to the double-sided S-shaped track automatic sandblasting machine of the present invention, a pair of upper guide shafts and a pair of lower guide shafts are provided in the machine body from top to bottom, the upper connecting rod slides and is vertically arranged between the pair of upper guide shafts, and the lower connecting rod slides and is vertically arranged between the pair of lower guide shafts.

[0010] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the present invention, both ends of the upper connecting rod and both ends of the lower connecting rod are slidably connected to the pair of upper guide shafts and the pair of lower guide shafts via sliding devices.

[0011] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the utility model, the sliding device includes a slide and two pairs of rollers. The slide is fixedly connected to the corresponding upper connecting rod or the corresponding lower connecting rod, and the slide is slidingly connected to the corresponding upper guide shaft or the corresponding lower guide shaft through the two pairs of rollers.

[0012] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the present invention, the two pairs of rollers are spaced apart and rotatably arranged on the slide, and the same pair of rollers are vertically spaced apart and rollingly clamped on the corresponding upper guide shaft or the corresponding lower guide shaft.

[0013] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the present invention, the upper guide shaft and the lower guide shaft are both long cylindrical, and the rolling contact surface of the roller is concavely arranged to form an arc and cooperate with the upper guide shaft or the lower guide shaft.

[0014] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the utility model, two translation mechanisms are arranged in the machine body from top to bottom, a row of the conveying rollers is located between the two translation mechanisms, the upper connecting rod is driven to move back and forth by the translation mechanism at the upper end, and the lower connecting rod is driven to move back and forth by the translation mechanism at the lower end.

[0015] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the utility model, the translation mechanism includes two translation belts, two passive wheels and two synchronous wheels arranged at intervals. The two synchronous wheels are coaxially connected through a fixed shaft. Each translation belt is sleeved on the corresponding synchronous wheel and the corresponding passive wheel. The two translation belts synchronously drive the corresponding sliding device to move.

[0016] As an improvement of the double-sided S-shaped track automatic sandblasting machine of the present invention, the translation mechanism also includes a driving wheel, a driven wheel, a synchronous belt and a driving source. The driving source is fixed on the machine body, and the synchronous belt is sleeved on the driving wheel and the driven wheel. The driven wheel is coaxially connected to the synchronous wheel, and the driving wheel is driven to rotate by the driving source.

[0017] Compared with the existing technology, the double-sided S-shaped track automatic sandblasting machine of the utility model utilizes a row of conveyor rollers to rotate and convey the product, so that the product moves forward slowly, while the upper spray gun and the lower spray gun quickly move back and forth horizontally along the axial direction of the conveyor roller, forming a unique S-shaped sandblasting track. This sandblasting track not only covers the entire surface of the product, but also ensures the uniformity and comprehensiveness of the sandblasting through the overlapping coverage of multiple groups of tracks and the consistency control of the distance from the spray gun to the product surface, realizing automatic and uniform sandblasting treatment on both sides of the product, and significantly improving the sandblasting efficiency and sandblasting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the main view of the double-sided S-shaped track automatic sandblasting machine of the utility model;

[0019] Figure 2 This is a left view of the double-sided S-shaped track automatic sandblasting machine of the present utility model;

[0020] Figure 3 This is a top view of the double-sided S-shaped track automatic sandblasting machine of the present invention;

[0021] Figure 4 It is a top view of the translation mechanism of the utility model;

[0022] Figure 5 This is a front view of the translation mechanism of the utility model;

[0023] Figure 6 It is a left side view of the translation mechanism of the utility model;

[0024] Figure 7 This is an enlarged front view of the upper connecting rod and each upper spray gun of the utility model, which are slidably arranged on two upper guide shafts;

[0025] Figure 8 This is a top view of the upper connecting rod and each upper spray gun of the utility model being slidably arranged on two upper guide shafts;

[0026] Figure 9 This is a left view of the upper connecting rod and each upper spray gun of the utility model being slidably arranged on two upper guide shafts;

[0027] Figure 10 It is an enlarged structural diagram of the sliding device of the utility model;

[0028] Figure 11 This is an enlarged front view of the lower connecting rod and each lower spray gun of the utility model, which are slidably arranged on two lower guide shafts;

[0029] Figure 12 This is a top view of the lower connecting rod and each lower spray gun of the utility model being slidably arranged on two lower guide shafts;

[0030] Figure 13 It is a left view of the lower connecting rod and each lower spray gun of the utility model being slidably arranged on two lower guide shafts.

[0031] Illustration:

[0032] 1. Machine body; 11. Conveyor roller; 2. Translation mechanism; 21. Translation motor; 22. Driving pulley; 23. Synchronous belt; 24. Driven pulley; 25. Synchronous pulley; 26. Translation belt; 27. Passive pulley; 3. Lower guide shaft; 4. Lower spray gun; 41. Lower connecting rod; 5. Sliding device; 51. Roller; 52. Slide; 53. Press plate; 6. Upper guide shaft; 7. Upper spray gun; 71. Upper connecting rod; 8. Product. DETAILED DESCRIPTION

[0033] The following specifically illustrates the implementation of the present invention in conjunction with the accompanying drawings. The accompanying drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of the present invention.

[0034] Reference Figures 1 to 13 A double-sided S-shaped track automatic sandblasting machine includes a machine body 1, in which an upper connecting rod 71, a row of conveying rollers 11 and a lower connecting rod 41 are sequentially arranged from top to bottom. Both ends of each conveying roller 11 are rotatably connected to the machine body 1, and the upper connecting rod 71 and the lower connecting rod 41 are slidably connected to the machine body 1. The upper connecting rod 71 and the lower connecting rod 41 both reciprocate along the axial direction of the conveying roller 11. A plurality of upper spray guns 7 for downward sandblasting are arranged at intervals on the upper connecting rod 71, and a plurality of lower spray guns 4 for upward sandblasting are arranged at intervals on the lower connecting rod 41. All conveying rollers 11 are located between all upper spray guns 7 and all lower spray guns 4.

[0035] Reference Figures 1 to 3 The interior of the body 1 is hollow, and a plurality of waste collection buckets are provided at the bottom of the body 1. All the lower spray guns 4 and all the upper spray guns 7 are located directly above the plurality of waste collection buckets. A row of conveying rollers 11 are arranged at intervals along the horizontal direction of the body 1. Each conveying roller 11 is in the shape of a long round stick and is arranged along the horizontal longitudinal direction of the body 1. In the utility model, a row of conveying rollers 11 can be driven to rotate synchronously by the same motor and belt transmission mechanism, or can be driven to rotate separately by different motors. When a row of conveying rollers 11 rotates, a row of conveying rollers 11 drives the product 8 to move horizontally along the body 1 to realize feeding.

[0036] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 7 and Figure 11 , the lower connecting rod 41 and the upper connecting rod 71 are arranged horizontally along the body 1, all the lower spray guns 4 are vertically and spaced apart on the lower connecting rod 41, each lower spray gun 4 is arranged vertically along the body 1 and its nozzle points directly upward, all the upper spray guns 7 are spaced apart and vertically arranged on the upper connecting rod 71 of the body 1, each upper spray gun 7 is arranged vertically along the body 1 and its nozzle points directly downward, all the upper spray guns 7 are divided into two groups, the two groups of upper spray guns 7 are staggered and arranged in a row on the upper connecting rod 71, all the lower spray guns 4 are coaxially arranged with one group of upper spray guns 7 in a one-to-one correspondence, and the other group of upper spray guns 7 are staggered with all the lower spray guns 4 (refer to Figure 1 shown).

[0037] Reference Figure 1 and Figure 2 , a pair of upper guide shafts 6 and a pair of lower guide shafts 3 are provided in the body 1 from top to bottom, and the pair of lower guide shafts 3 are arranged at intervals below a row of conveying rollers 11, each lower guide shaft 3 is a long cylindrical shape and is arranged along the horizontal longitudinal direction of the body 1, and the lower connecting rod 41 slides and is vertically arranged between the pair of lower guide shafts 3. Specifically, the left end of the lower connecting rod 41 is slidably connected to the lower guide shaft 3 on the left through a sliding device 5, and the right end of the lower connecting rod 41 is slidably connected to the lower guide shaft 3 on the right through another sliding device 5; a pair of upper guide shafts 6 are arranged at intervals above a row of conveying rollers 11, each upper guide shaft 6 is a long cylindrical shape and is arranged along the horizontal longitudinal direction of the body 1, and the upper connecting rod 71 slides and is vertically arranged between the pair of upper guide shafts 6, specifically, the left end of the upper connecting rod 71 is slidably connected to the upper guide shaft 6 on the left through a sliding device 5, and the right end of the upper connecting rod 71 is slidably connected to the upper guide shaft 6 on the right through another sliding device 5, and the structures of the four sliding devices 5 are the same.

[0038] Reference Figure 9 and Figure 10 Each sliding device 5 includes a slide 52 and two pairs of rollers 51. A U-shaped pressure plate 53 is provided on the top of the slide 52. The two pairs of rollers 51 are spaced apart and rotatably arranged on the slide 52. The same pair of rollers 51 are vertically spaced apart, and the rolling contact surface of each roller 51 is concave to form an arc.

[0039] Reference Figure 2 、 Figure 9 、 Figure 10 and Figure 13The left and right ends of the upper connecting rod 71 are respectively fixedly connected to the two slides 52 at the upper end in a one-to-one correspondence. Specifically, the four pairs of rollers 51 on the two slides 52 at the upper end are all rollingly clamped on the upper guide shaft 6, and the rolling contact surface of each roller 51 cooperates with the upper guide shaft 6, so that the two slides 52 at the upper end can be slidably connected to the upper guide shaft 6 through their respective two pairs of rollers 51; the left and right ends of the lower connecting rod 41 are respectively fixedly connected to the two slides 52 at the lower end in a one-to-one correspondence. Specifically, the four pairs of rollers 51 on the two slides 52 at the lower end are all rollingly clamped on the lower guide shaft 3, and the rolling contact surface of each roller 51 cooperates with the lower guide shaft 3, so that the two slides 52 at the lower end can be slidably connected to the lower guide shaft 3 through their respective two pairs of rollers 51.

[0040] Reference Figures 1 to 6 In order to drive the lower spray gun 4 and the upper spray gun 7 to move horizontally and longitudinally along the body 1 (i.e., move back and forth), two translation mechanisms 2 are arranged in the body 1 from top to bottom, and a row of conveying rollers 11 is located between the two translation mechanisms 2. The translation mechanism 2 at the upper end is used to drive multiple upper spray guns 7, the upper connecting rod 71 and the two sliding devices 5 at the upper end to move back and forth along the two upper guide shafts 6. The translation mechanism 2 at the lower end is used to drive multiple lower spray guns 4, the lower connecting rod 41 and the two sliding devices 5 at the lower end to move back and forth along the two lower guide shafts 3. The structures of the two translation mechanisms 2 are the same.

[0041] Reference Figures 1 to 6 Each of the translation mechanisms 2 includes two translation belts 26, two driven pulleys 27, two synchronous pulleys 25, a driving pulley 22, a driven pulley 24, a synchronous belt 23 and a driving source. The driving source is specifically a translation motor 21. The translation motor 21 is fixed to the machine body 1. The driving pulley 22 is set on the output shaft of the translation motor 21. The driving pulley 22 is driven to rotate by the translation motor 21. The driven pulley 24 and the two synchronous pulleys 25 are coaxial and rotatably set on the machine body 1. The synchronous belt 23 is sleeved on the driving pulley 22. A belt drive structure is formed on the driven pulley 24, and the two synchronous pulleys 25 are coaxially connected by a fixed shaft, so that the driven pulley 24 is coaxially connected to the two synchronous pulleys 25, and the two translation belts 26 are arranged at intervals. Each translation belt 26 is arranged along the horizontal longitudinal direction of the body 1. The left translation belt 26 is sleeved on the left synchronous pulley 25 and the driven pulley 27 to form another belt transmission mechanism, and the right translation belt 26 is sleeved on the right synchronous pulley 25 and the driven pulley 27 to form another belt transmission mechanism.

[0042] Reference Figures 1 to 3In the present invention, the slide 52 at the upper left end is fixed to the translation belt 26 at the upper left end through its pressure plate 53, and the slide 52 at the upper right end is fixed to the translation belt 26 at the upper right end through its pressure plate 53, so that the two translation belts 26 at the upper end can drive the two slides 52 at the upper end and the upper connecting rod 71 and the upper spray gun 7 to move back and forth together; the slide 52 at the lower left end is fixed to the translation belt 26 at the lower left end through its pressure plate 53, and the slide 52 at the lower right end is fixed to the translation belt 26 at the lower right end through its pressure plate 53, so that the two translation belts 26 at the lower end can drive the two slides 52 at the lower end and the lower connecting rod 41 and the lower spray gun 4 to move back and forth together.

[0043] Reference Figures 1 to 13 The double-sided S-shaped track automatic sandblasting machine of this utility model is mainly used for double-sided automatic sandblasting of the surface of plate products, solving the problems of large deformation of thin plates after sandblasting, uneven surface texture after sandblasting, S-shaped yin and yang texture, insufficient equipment production capacity, etc. The working principle of the double-sided S-shaped track automatic sandblasting machine of this utility model is as follows:

[0044] The plate-shaped product 8 is placed on a row of conveying rollers 11, and the row of conveying rollers 11 rotates to feed the product 8 so that the product 8 moves slowly from left to right;

[0045] The translation motor 21 at the lower end drives the driving wheel 22 at the lower end to rotate, and the driving wheel 22 at the lower end drives the synchronous belt 23 at the lower end to move, thereby driving the driven wheel 24 at the lower end to rotate, and the driven wheel 24 at the lower end drives the two synchronous wheels 25 at the lower end to rotate together, thereby driving the two translation belts 26 at the lower end to move synchronously, and the two translation belts 26 at the lower end drive the two slides 52 at the lower end and the lower connecting rod 41 and the lower spray gun 4 to move back and forth together, so that the multiple lower spray guns 4 move back and forth together and blast sand upwards; at the same time, the upper ... sliding seats 52 at the lower end and the lower connecting rod 41 and the lower spray gun 4 to move back and forth together, thereby The translation motor 21 drives the driving wheel 22 at the upper end to rotate, and the driving wheel 22 at the upper end drives the synchronous belt 23 at the upper end to move, and then drives the driven wheel 24 at the upper end to rotate, and the driven wheel 24 at the upper end drives the two synchronous wheels 25 at the upper end to rotate together, and then drives the two translation belts 26 at the upper end to move synchronously, and the two translation belts 26 at the upper end drive the two slides 52 at the upper end and the upper connecting rod 71 and the upper spray gun 7 to move back and forth together, so that multiple upper spray guns 7 move back and forth together and sandblast downward, realizing S-shaped double-sided automatic sandblasting.

[0046] The double-sided S-shaped track automatic sandblasting machine of the present invention overlaps and covers multiple groups of S-shaped sandblasting tracks, and the distance between the spray gun and the surface of the product 8 is consistent, so that both sides of the product 8 are sandblasted to remove burrs, and the surface is matte and non-reflective, thereby improving the surface roughness of the product 8, and eliminating the yin-yang pattern caused by uneven light and dark. If the product 8 needs to be electroplated or sprayed later, the coating adhesion can also be enhanced.

[0047] When the double-sided S-shaped trajectory automatic sandblasting machine of the present invention is in operation, a plate-shaped product 8 is placed on a row of conveyor rollers 11. The product 8 moves slowly from left to right while the upper spray gun 7 and the lower spray gun 4 move back and forth rapidly horizontally, making the sandblasting trajectory S-shaped, thereby achieving automatic sandblasting on both sides of the product 8. Through unique design and innovative technical means, the present invention achieves automatic and uniform sandblasting of both sides of the product 8, significantly improving the sandblasting efficiency and sandblasting quality. Specifically, the present invention sets up key components such as the upper connecting rod 71, the conveyor roller 11, and the lower connecting rod 41 in the machine body 1, and forms a unique S-shaped sandblasting trajectory by controlling the rapid horizontal reciprocating movement of the upper spray gun 7 and the lower spray gun 4. This sandblasting trajectory not only covers the entire surface of the product 8, but also ensures the uniformity and comprehensiveness of the sandblasting through the overlapping coverage of multiple sets of trajectories and the consistent control of the distance from the spray gun to the surface of the product 8.

[0048] In addition, the double-sided S-shaped track automatic sandblasting machine of the present invention has the following advantages: first, it can effectively remove burrs and dirt from the surface of the product 8, improving the surface roughness of the product 8; second, it can give the product 8 a matte finish, avoiding glare; and third, it can enhance the adhesion of subsequent electroplating or spray coatings on the product 8, improving the overall quality of the product 8. Therefore, the present invention has broad application prospects and market value in a variety of fields, including metal processing, plastic manufacturing, electronic communications, and architectural decoration.

[0049] The above disclosure is only a preferred embodiment of the present invention and cannot be used to limit the scope of protection of the present invention. Therefore, equivalent changes made within the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. A double-sided S-shaped track automatic sandblasting machine, comprising a machine body, characterized in that: An upper connecting rod, a row of conveying rollers and a lower connecting rod are sequentially arranged in sequence from top to bottom in the machine body, both ends of the conveying rollers are rotatably connected to the machine body, the upper connecting rod and the lower connecting rod are both slidably connected to the machine body, and the upper connecting rod and the lower connecting rod both reciprocate along the axial direction of the conveying rollers, a plurality of upper spray guns for downward sandblasting are arranged at intervals on the upper connecting rod, and a plurality of lower spray guns for upward sandblasting are arranged at intervals on the lower connecting rod, and all the conveying rollers are located between all the upper spray guns and all the lower spray guns.

2. The double-sided S-shaped track automatic sandblasting machine according to claim 1, characterized in that: All the upper spray guns are divided into two groups, the two groups of upper spray guns are staggered and arranged in a row on the upper connecting rod, and all the lower spray guns are coaxially arranged in a one-to-one correspondence with one group of the upper spray guns.

3. The double-sided S-shaped track automatic sandblasting machine according to claim 1, characterized in that: A pair of upper guide shafts and a pair of lower guide shafts are sequentially provided in the body from top to bottom. The upper connecting rod slides and is vertically arranged between the pair of upper guide shafts. The lower connecting rod slides and is vertically arranged between the pair of lower guide shafts.

4. The double-sided S-shaped track automatic sandblasting machine according to claim 3, characterized in that: Both ends of the upper connecting rod and both ends of the lower connecting rod are correspondingly slidably connected to a pair of upper guide shafts and a pair of lower guide shafts through sliding devices.

5. The double-sided S-shaped track automatic sandblasting machine according to claim 4, characterized in that: The sliding device includes a slide and two pairs of rollers. The slide is fixedly connected to the corresponding upper connecting rod or the corresponding lower connecting rod. The slide is slidingly connected to the corresponding upper guide shaft or the corresponding lower guide shaft through the two pairs of rollers.

6. The double-sided S-shaped track automatic sandblasting machine according to claim 5, characterized in that: The two pairs of rollers are spaced apart and rotatably arranged on the slide, and the same pair of rollers are vertically spaced apart and rollingly clamped on the corresponding upper guide shaft or the corresponding lower guide shaft.

7. The double-sided S-shaped track automatic sandblasting machine according to claim 6, characterized in that: The upper guide shaft and the lower guide shaft are both in the shape of long cylinders, and the rolling contact surface of the roller is concavely arranged to form an arc and cooperate with the upper guide shaft or the lower guide shaft.

8. The double-sided S-shaped track automatic sandblasting machine according to claim 4, characterized in that: Two translation mechanisms are spaced apart from each other from top to bottom in the machine body, a row of the conveying rollers is located between the two translation mechanisms, the upper connecting rod is driven to reciprocate by the translation mechanism at the upper end, and the lower connecting rod is driven to reciprocate by the translation mechanism at the lower end.

9. The double-sided S-shaped track automatic sandblasting machine according to claim 8, characterized in that: The translation mechanism includes two translation belts arranged at intervals, two driven wheels and two synchronous wheels. The two synchronous wheels are coaxially connected through a fixed shaft. Each translation belt is sleeved on the corresponding synchronous wheel and the corresponding driven wheel. The two translation belts synchronously drive the corresponding sliding device to move.

10. The double-sided S-shaped track automatic sandblasting machine according to claim 9, characterized in that: The translation mechanism also includes a driving wheel, a driven wheel, a synchronous belt and a driving source. The driving source is fixed to the machine body. The synchronous belt is sleeved on the driving wheel and the driven wheel. The driven wheel is coaxially connected to the synchronous wheel. The driving wheel is driven to rotate by the driving source.

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