Cylindrical workpiece outer circle machining device

Abstract

The utility model provides an outer circle machining device for a cylindrical workpiece, which belongs to the technical field of cylindrical workpiece machining and comprises a mounting frame, a feeding and discharging structure is arranged in the mounting frame, a mounting plate is fixedly connected to the left end of the upper end face of the mounting frame, and a first bearing is fixedly connected to the center of the outer side wall of the mounting plate. A rotating pipe is fixedly connected to the inner side wall of the inner ring of the first bearing, and the inner end of the rotating pipe penetrates through the mounting plate and extends outwards. Through the arrangement of the mounting plate, the first bearing, the rotating pipe, the transmission shaft, the mounting head, the telescopic frame, the inner supporting plate, the rotating structure and the telescopic structure, cylindrical workpieces of different sizes can be internally supported and fixed, the fixed cylindrical workpieces can be rotated, and follow-up grinding machining is facilitated; the cylindrical workpiece does not need to be tapped to guarantee the integrity of the workpiece, the machining efficiency is improved, and the problems that in the prior art, the workpiece needs to be tapped to damage the integrity of the workpiece, and the machining efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylindrical workpiece machining, in particular to a cylindrical workpiece's external circle processing device. BACKGROUND

[0002] In the mechanical manufacturing industry, the external circle processing of cylindrical workpieces is a crucial link. The traditional cylindrical workpiece external circle processing device grinds the external circumferential surface of the workpiece through the rotation of the grinding wheel to achieve the required dimensional accuracy and surface roughness.

[0003] After searching, the patent with patent application number CN201920708451.9 discloses a cylindrical workpiece external circle processing device, which includes a driving device, a main shaft unit, a transmission device and a tail shaft unit. The main shaft unit includes a hollow main shaft, a kelly drive shaft and a main shaft cylinder. The hollow main shaft has an axially extending central hole, and its rear end forms a conical part. The kelly drive shaft passes through the central hole, and the rear part of the kelly drive shaft is provided with an assembly groove. The front part of the kelly drive shaft is slidably installed in the central hole through key groove cooperation. The main shaft cylinder is connected to the front end face of the kelly drive shaft. The tail shaft unit includes a tail shaft and a tail shaft cylinder. The rear part of the tail shaft is connected to the tail shaft cylinder, and the front end of the tail shaft forms a conical part. The conical part of the tail shaft and the conical part of the hollow main shaft are oppositely arranged and located on the same axis. The rotational driving force of the cylindrical workpiece in the utility model is directly provided by the kelly drive shaft, so the external circle surface processing speed of the cylindrical workpiece can be significantly improved, but there are still the following defects:

[0004] (1) The existing processing device needs to drill holes in the cylindrical workpiece when processing the cylindrical workpiece, which destroys the integrity of the cylindrical workpiece and makes the operation more complicated, reducing the processing efficiency.

[0005] The existing processing device is not convenient for feeding and discharging the circular workpiece, resulting in low processing efficiency.

[0006] Therefore, we improve it and propose a cylindrical workpiece external circle processing device. UTILITY MODEL CONTENT

[0007] The utility model aims at the problems of the existing processing device that needs to drill holes in the workpiece to destroy the integrity of the workpiece and the inconvenience of feeding and discharging.

[0008] In order to achieve the above utility model purposes, the utility model provides the following technical solutions:

[0009] The cylindrical workpiece external circle processing device is used to improve the above problems.

[0010] The utility model discloses a specific is such as this:

[0011] Including installation frame, be equipped with the feeding and discharging structure in the installation frame, the left end fixedly connected with the mounting plate on the upper end surface of installation frame, the outside wall center of mounting plate is fixedly connected with first bearing, the inner ring inboard of first bearing is fixedly connected with the rotating tube, the inner end of rotating tube penetrates mounting plate and extends outward, the transmission shaft is slidably connected in the rotating tube, one end of transmission shaft is fixedly connected with the mounting head, a group of telescopic stands are evenly connected between mounting head and rotating tube and rotate, the outer end of telescopic stand is rotatably connected with the inner support plate, the mounting plate is equipped with the rotation structure for driving rotating tube rotation, the mounting plate is equipped with the telescopic structure for adjusting the telescopic of transmission shaft, the rear side of installation frame is equipped with polishing mechanism.

[0012] As the preferred technical scheme of the utility model, the feeding and discharging structure includes two fixed plates that are symmetrical and fixed at both ends of the lower end surface of the installation frame, a first screw is rotatably connected between the two fixed plates, a first motor is fixedly connected to the outer side wall of one of the fixed plates, the drive end of the first motor is fixedly connected to the shaft end of the first screw, a displacement plate is threadedly connected to the first screw, a guide rod is slidably connected to the end of the displacement plate away from the first screw, the two ends of the guide rod are fixedly connected to the fixed plates, a first telescopic cylinder is fixedly connected to the lower end surface of the displacement plate, a bracket is fixedly connected to the drive end of the first telescopic cylinder and penetrates the displacement plate, two bearing rollers are symmetrically and fixedly connected in the bracket.

[0013] As the preferred technical scheme of the utility model, the rotation structure includes a driven gear fixed to the outer end of the rotating tube, a bearing frame is fixedly connected to the outer side wall of the mounting plate, a rotary motor is fixedly connected to the upper end surface of the bearing frame, a driving gear is fixedly connected to the drive end of the rotary motor.

[0014] As the preferred technical scheme of the utility model, the telescopic structure includes a support column fixed to the outer side wall of the mounting plate, a connecting plate is fixedly connected to the outer end of the support column, a second screw is rotatably connected between the connecting plate and the mounting plate, a second motor is fixedly connected to the connecting plate, the drive end of the second motor is fixedly connected to the outer end of the second screw, a moving plate is threadedly connected to the second screw, the end of the moving plate away from the second screw is slidably connected to the support column, a second bearing is fixedly connected to the center of the side wall of the moving plate close to the mounting plate, the inner circle inboard of the second bearing is fixedly connected to the outer end of the transmission shaft, a limiting ring is fixedly connected to the support column and the second screw.

[0015] As the technical scheme of the utility model is optimized, the two cooperation plates are fixed on the rear side wall of the mounting frame, the third screw is rotationally connected between the two cooperation plates, the third motor is fixedly connected on the outer side wall of the cooperation plate on the inner side, the driving end of the third motor is fixedly connected with the shaft end of the third screw, the moving seat is threadedly connected on the third screw, the sliding rod is slidingly connected in the moving seat, the two ends of the sliding rod are fixedly connected with the cooperation plates respectively, the vertical plate is fixedly connected on the upper end surface of the moving seat, the second telescopic cylinder is fixedly connected on the top of the vertical plate, the assembling plate is fixedly connected in the second telescopic cylinder, the polishing motor is fixedly connected in the assembling plate, and the driving end of the polishing motor penetrates through the assembling plate and is fixedly connected with the grinding wheel.

[0016] As the technical scheme of the utility model is optimized, the rubber pad is fixedly connected on the outer circumferential wall of the inner support plate, and the rack is fixedly connected on the lower end surface of the mounting frame.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] In the scheme of the utility model:

[0019] 1. By setting up the mounting plate, the first bearing, the rotating pipe, the transmission shaft, the mounting head, the telescopic frame, the inner support plate, the rotating structure and the telescopic structure, the cylindrical workpiece of different sizes is fixed by the inner support plate and can rotate, which facilitates subsequent polishing processing, does not need to open a hole in the cylindrical workpiece to protect the integrity of the workpiece, improves the processing efficiency, solves the problems of damaging the integrity of the workpiece and low processing efficiency in the prior art by opening a hole in the workpiece;

[0020] 2. By setting up the feeding and discharging structure, the cylindrical workpiece is automatically fed and discharged, which is convenient to operate, improves the efficiency of the cylindrical workpiece processing, is convenient to use, and solves the problem of inconvenient feeding and discharging of the cylindrical workpiece in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides an overall structure schematic view;

[0022] Figure 2 The utility model provides a rear side structure schematic view;

[0023] Figure 3 The utility model provides an inner support structure schematic view;

[0024] Figure 4 The utility model provides a Figure 3 Another structure schematic view of the perspective;

[0025] Figure 5The structure schematic diagram of the polishing mechanism is provided.

[0026] Figure 6 The structure schematic diagram of the feeding and discharging structure is provided.

[0027] Indicated in the figure:

[0028] 1, mounting frame; 2, feeding and discharging structure; 201, fixed plate; 202, first screw rod; 203, first motor; 204, displacement plate; 205, guide rod; 206, first telescopic cylinder; 207, support; 208, bearing roller; 3, mounting plate; 4, first bearing; 5, rotating pipe; 6, transmission shaft; 7, mounting head; 8, telescopic support; 9, inner support plate; 10, rotating structure; 1001, driven gear; 1002, bearing support; 1003, rotating motor; 1004, driving gear; 11, telescopic structure; 1101, support column; 1102, connecting plate; 1103, second screw rod; 1104, second motor; 1105, moving plate; 1106, second bearing; 1107, limiting ring; 12, polishing mechanism; 1201, matching plate; 1202, third screw rod; 1203, third motor; 1204, moving seat; 1205, sliding rod; 1206, vertical plate; 1207, second telescopic cylinder; 1208, assembly plate; 1209, polishing motor; 1210, grinding wheel; 13, rubber pad; 14, rack. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the present embodiment proposes a cylindrical workpiece outer circle processing device, comprising a mounting frame 1, the mounting frame 1 is provided with an upper and lower structure 2, the upper end face of the mounting frame 1 is fixedly connected with a mounting plate 3, the outer side wall center of the mounting plate 3 is fixedly connected with a first bearing 4, the inner ring inner wall of the first bearing 4 is fixedly connected with a rotating pipe 5, the inner end of the rotating pipe 5 penetrates the mounting plate 3 and extends outward, a transmission shaft 6 is slidably connected in the rotating pipe 5, one end of the transmission shaft 6 is fixedly connected with a mounting head 7, a group of telescopic frames 8 are uniformly rotationally connected between the mounting head 7 and the rotating pipe 5, the outer ends of the telescopic frames 8 are rotationally connected with inner support plates 9, the mounting plate 3 is provided with a rotating structure 10 for driving the rotating pipe 5 to rotate, the mounting plate 3 is provided with a telescopic structure 11 for adjusting the telescopic of the transmission shaft 6, the rear side of the mounting frame 1 is provided with a polishing mechanism 12; through the telescopic adjustment of the transmission shaft 6 and the mounting head 7, the movement of the transmission shaft 6 and the mounting head 7 drives the telescopic frame 8 to move, so that the inner support plate 9 will move and tightly support the inner wall of the cylindrical workpiece, ensuring the stability of the workpiece during processing, without the need to punch the cylindrical workpiece, improving the convenience and efficiency of the cylindrical workpiece processing.

[0031] As Figure 1 , Figure 2 and Figure 6 shown, as a preferred embodiment, on the basis of the above mode, further, the upper and lower structure 2 comprises two fixed plates 201 which are symmetrical and fixed at the both ends of the lower end face of the mounting frame 1, the two fixed plates 201 are rotationally connected with a first screw 202, the outer side wall of one of the fixed plates 201 is fixedly connected with a first motor 203, the driving end of the first motor 203 is fixedly connected with the shaft end of the first screw 202, a displacement plate 204 is threadedly connected on the first screw 202, a guide rod 205 is slidably connected at the end of the displacement plate 204 away from the first screw 202, the two ends of the guide rod 205 are fixedly connected with the fixed plates 201 respectively, a first telescopic cylinder 206 is fixedly connected with the lower end face of the displacement plate 204, the driving end of the first telescopic cylinder 206 penetrates the displacement plate 204 and is fixedly connected with a bracket 207, two bearing rollers 208 are symmetrically and fixedly connected in the bracket 207; through the driving of the first motor 203 to rotate the first screw 202, the displacement plate 204 moves stably under the guidance of the guide rod 205, thereby driving the cylindrical workpiece on the bearing roller 208 to adjust the position, the telescopic action of the first telescopic cylinder 206 is used to accurately control the height of the workpiece, facilitating the feeding and discharging of the cylindrical workpiece.

[0032] As Figure 1 and Figure 2As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the rotating structure 10 comprises a driven gear 1001 fixed on the outer end of the rotating pipe 5, a bearing frame 1002 fixedly connected on the outer side wall of the mounting plate 3, the upper end surface of the bearing frame 1002 is fixedly connected with a rotary motor 1003, the driving end of the rotary motor 1003 is fixedly connected with a driving gear 1004; the driving gear 1004 is driven to rotate by the rotary motor 1003, the rotation of the driving gear 1004 drives the driven gear 1001 and the rotating pipe 5 to rotate, the rotation of the rotating pipe 5 drives the transmission shaft 6 and the mounting head 7 to rotate, so that the inner support plate 9 is rotated, and further the workpiece fixed by the inner support is rotated.

[0033] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the rotating structure 10 comprises a driven gear 1001 fixed on the outer end of the rotating pipe 5, a bearing frame 1002 fixedly connected on the outer side wall of the mounting plate 3, the upper end surface of the bearing frame 1002 is fixedly connected with a rotary motor 1003, the driving end of the rotary motor 1003 is fixedly connected with a driving gear 1004; the driving gear 1004 is driven to rotate by the rotary motor 1003, the rotation of the driving gear 1004 drives the driven gear 1001 and the rotating pipe 5 to rotate, the rotation of the rotating pipe 5 drives the transmission shaft 6 and the mounting head 7 to rotate, so that the inner support plate 9 is rotated, and further the workpiece fixed by the inner support is rotated. Figure 1 Figure 4 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the rotating structure 10 comprises a driven gear 1001 fixed on the outer end of the rotating pipe 5, a bearing frame 1002 fixedly connected on the outer side wall of the mounting plate 3, the upper end surface of the bearing frame 1002 is fixedly connected with a rotary motor 1003, the driving end of the rotary motor 1003 is fixedly connected with a driving gear 1004; the driving gear 1004 is driven to rotate by the rotary motor 1003, the rotation of the driving gear 1004 drives the driven gear 1001 and the rotating pipe 5 to rotate, the rotation of the rotating pipe 5 drives the transmission shaft 6 and the mounting head 7 to rotate, so that the inner support plate 9 is rotated, and further the workpiece fixed by the inner support is rotated.

[0034] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the rotating structure 10 comprises a driven gear 1001 fixed on the outer end of the rotating pipe 5, a bearing frame 1002 fixedly connected on the outer side wall of the mounting plate 3, the upper end surface of the bearing frame 1002 is fixedly connected with a rotary motor 1003, the driving end of the rotary motor 1003 is fixedly connected with a driving gear 1004; the driving gear 1004 is driven to rotate by the rotary motor 1003, the rotation of the driving gear 1004 drives the driven gear 1001 and the rotating pipe 5 to rotate, the rotation of the rotating pipe 5 drives the transmission shaft 6 and the mounting head 7 to rotate, so that the inner support plate 9 is rotated, and further the workpiece fixed by the inner support is rotated. Figure 1 Figure 5 ​​As shown, as a preferred embodiment, on the basis of the above-mentioned mode, further, the polishing mechanism 12 comprises two matching plates 1201 fixed on the rear side wall of the mounting frame 1, a third screw rod 1202 is rotatably connected between the two matching plates 1201, a third motor 1203 is fixedly connected to the outer side wall of the inner matching plate 1201, the driving end of the third motor 1203 is fixedly connected with the shaft end of the third screw rod 1202, a moving seat 1204 is threadedly connected to the third screw rod 1202, a sliding rod 1205 is slidably connected in the moving seat 1204, the two ends of the sliding rod 1205 are fixedly connected with the matching plates 1201 respectively, a vertical plate 1206 is fixedly connected to the upper end face of the moving seat 1204, a second telescopic cylinder 1207 is fixedly connected to the top of the vertical plate 1206, an assembly plate 1208 is fixedly connected to the driving end of the second telescopic cylinder 1207, a polishing motor 1209 is fixedly connected in the assembly plate 1208, and a grinding wheel 1210 is fixedly connected to the driving end of the polishing motor 1209 and penetrates through the assembly plate 1208; the third motor 1203 drives the third screw rod 1202 to rotate, so that the moving seat 1204 moves stably under the guidance of the sliding rod 1205, and then drives the grinding wheel 1210 to polish the workpiece, and the telescopic action of the second telescopic cylinder 1207 is used to adjust the distance between the grinding wheel 1210 and the workpiece, facilitating polishing and processing of workpieces of different sizes.

[0035] As shown in Figure 1 and Figure 3 As a preferred embodiment, on the basis of the above-mentioned mode, further, the outer peripheral side wall of the inner support plate 9 is fixedly connected with a rubber pad 13, and the lower end face of the mounting frame 1 is fixedly connected with a rack 14; effectively protecting the cylindrical workpiece from being damaged during processing, while improving the stability of the inner support, the rack 14 provides a stable support foundation for the entire processing device, ensuring the stability and safety during processing.

[0036] Specifically, the outer circle processing device of the cylindrical workpiece in use: first, according to the size of the cylindrical workpiece, the height of the bearing roller 208 is adjusted, the bearing roller 208 and the workpiece are moved to the target height by controlling the first telescopic cylinder 206 to drive the support 207, and then the cylindrical workpiece is placed on the bearing roller 208, and then the first motor 203 drives the first screw 202 to rotate, so that the displacement plate 204 moves stably under the guidance of the guide rod 205, and then the cylindrical workpiece on the bearing roller 208 is moved to the direction of the mounting plate 3, so that the end of the workpiece abuts against the mounting plate 3, and then the second motor 1104 drives the second screw 1103 to rotate, so that the moving plate 1105 moves stably under the guidance of the support column 1101, and then the transmission shaft 6 and the mounting head 7 are adjusted in extension and retraction, the movement of the transmission shaft 6 and the mounting head 7 drives the telescopic frame 8 to move, so that the inner support plate 9 moves and tightly supports the inner wall of the cylindrical workpiece, then the first telescopic cylinder 206 drives the bearing roller 208 to descend, then the rotating motor 1003 drives the driving gear 1004 to rotate, the rotation of the driving gear 1004 drives the driven gear 1001 and the rotating pipe 5 to rotate, the rotation of the rotating pipe 5 drives the transmission shaft 6 and the mounting head 7 to rotate, so that the inner support plate 9 rotates, and then the polishing motor 1209 drives the grinding wheel 1210 to rotate, and then the second telescopic cylinder 1207 drives the moving seat 1204 to make the rotating grinding wheel 1210 contact with the outer wall of the cylindrical workpiece, and then the cylindrical workpiece is polished, then the third motor 1203 drives the third screw 1202 to rotate, so that the moving seat 1204 moves stably under the guidance of the slide rod 1205, and then the grinding wheel 1210 moves, so that the workpiece can be polished comprehensively, and then the first telescopic cylinder 206 drives the bearing roller 208 to rise, and then the inner support plate 9 is reset to contact the workpiece, and then the first motor 203 drives the bearing roller 208 and the workpiece to move outward, and then the workpiece is discharged.

[0037] All the technical features in the embodiment can be freely combined according to actual needs.

[0038] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. An external cylindrical surface processing apparatus for a cylindrical workpiece, comprising a mounting frame (1), characterized in that, The installation frame (1) is provided with an upper and lower structure (2), the left end of the upper end face of the installation frame (1) is fixedly connected with a mounting plate (3), the outer side wall center of the mounting plate (3) is fixedly connected with a first bearing (4), the inner ring inner side wall of the first bearing (4) is fixedly connected with a rotating pipe (5), the inner end of the rotating pipe (5) penetrates through the mounting plate (3) and extends outward, the rotating pipe (5) is slidably connected with a transmission shaft (6), one end of the transmission shaft (6) is fixedly connected with a mounting head (7), a group of telescopic frames (8) are uniformly and rotatably connected between the mounting head (7) and the rotating pipe (5), the outer ends of the telescopic frames (8) are rotatably connected with inner supporting plates (9), the mounting plate (3) is provided with a rotating structure (10) for driving the rotating pipe (5) to rotate, the mounting plate (3) is provided with an expansion structure (11) for adjusting the expansion of the transmission shaft (6), and the rear side of the installation frame (1) is provided with a polishing mechanism (12).

2. The apparatus for machining the outer circumference of a cylindrical workpiece according to claim 1, wherein The upper and lower structure (2) comprises two fixed plates (201) which are symmetrical and fixed on the lower end face of the installation frame (1), a first screw rod (202) is rotatably connected between the two fixed plates (201), a first motor (203) is fixedly connected to the outer side wall of one of the fixed plates (201), the driving end of the first motor (203) is fixedly connected with the shaft end of the first screw rod (202), a displacement plate (204) is threadedly connected to the first screw rod (202), a guide rod (205) is slidably connected to the end of the displacement plate (204) away from the first screw rod (202), the two ends of the guide rod (205) are fixedly connected with the fixed plates (201), a first expansion cylinder (206) is fixedly connected to the lower end face of the displacement plate (204), the driving end of the first expansion cylinder (206) penetrates through the displacement plate (204) and is fixedly connected with a support (207), two bearing rollers (208) are fixedly and symmetrically connected in the support (207).

3. The apparatus for machining the outer circumference of a cylindrical workpiece according to claim 1, wherein The rotating structure (10) comprises a driven gear (1001) fixed to the outer end of the rotating pipe (5), a bearing frame (1002) is fixedly connected to the outer side wall of the mounting plate (3), a rotating motor (1003) is fixedly connected to the upper end face of the bearing frame (1002), and the driving end of the rotating motor (1003) is fixedly connected with a driving gear (1004).

4. The apparatus for machining the outer periphery of a cylindrical workpiece according to claim 1, wherein The telescopic structure (11) comprises a supporting column (1101) fixed on the outer side wall of the mounting plate (3), the outer end of the supporting column (1101) is fixedly connected with a connecting plate (1102), the connecting plate (1102) is rotatably connected with the second screw rod (1103) between the mounting plate (3), the connecting plate (1102) is fixedly connected with the second motor (1104), the driving end of the second motor (1104) is fixedly connected with the outer end of the second screw rod (1103), the second screw rod (1103) is threadedly connected with a moving plate (1105), the end, away from the second screw rod (1103), of the moving plate (1105) is slidably connected with the supporting column (1101), the second bearing (1106) is fixedly connected with the center of the side wall, close to the mounting plate (3), of the moving plate (1105), the inner side wall of the inner ring of the second bearing (1106) is fixedly connected with the outer end of the transmission shaft (6), and the supporting column (1101) and the second screw rod (1103) are both fixedly connected with a limiting ring (1107).

5. The apparatus for machining the outer circumference of a cylindrical workpiece according to claim 1, wherein The polishing mechanism (12) comprises two cooperation plates (1201) fixed on the rear side wall of the mounting frame (1), the third screw rod (1202) is rotatably connected between the two cooperation plates (1201), the third motor (1203) is fixedly connected with the outer side wall of the inner cooperation plate (1201), the driving end of the third motor (1203) is fixedly connected with the shaft end of the third screw rod (1202), the third screw rod (1202) is threadedly connected with a moving seat (1204), the sliding rod (1205) is slidably connected in the moving seat (1204), the two ends of the sliding rod (1205) are fixedly connected with the cooperation plates (1201) respectively, the vertical plate (1206) is fixedly connected with the upper end surface of the moving seat (1204), the second telescopic cylinder (1207) is fixedly connected with the driving end of the second telescopic cylinder (1207), the assembly plate (1208) is fixedly connected in the second telescopic cylinder (1207), the polishing motor (1209) is fixedly connected in the assembly plate (1208), and the driving end of the polishing motor (1209) penetrates through the assembly plate (1208) and is fixedly connected with the grinding wheel (1210).

6. The apparatus for machining the outer periphery of a cylindrical workpiece according to Claim 1, wherein The outer circumferential side wall of the inner supporting plate (9) is fixedly connected with the rubber pad (13), and the lower end surface of the mounting frame (1) is fixedly connected with the rack (14).

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