Turnover tool for cylinder body machining

Abstract

The utility model relates to the technical field of cylinder body machining, and discloses a turnover tool for cylinder body machining, which comprises a fixed base, a rotating shaft arranged on the surface of the fixed base, a bearing table fixed on the surface of the rotating shaft, a height adjusting mechanism arranged on the surface of the bearing table, and a roller mechanism group arranged on the surface of the bearing table, a holding fixing mechanism set is arranged on the surface of the bearing table, a second hydraulic oil cylinder is hinged to the surface of the fixing base and hinged to the bearing table, two limiting rods are fixed to the surface of the fixing base, a collecting assembly is arranged on the surfaces of the limiting rods, and a positioning part is arranged on the surface of the collecting assembly. According to the electroplating device, the limiting rod, the collecting assembly and the positioning component are matched with one another, so that when the electroplating device is used, garbage generated by workers can be collected, the cleanliness of a workshop is guaranteed, and electroplating operation can be smoothly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to cylinder body machining technical field, concretely is a kind of turnover tool for cylinder body machining. BACKGROUND

[0002] The conveying cylinder is a very common part in industrial devices. In the process of machining the conveying cylinder, in order to ensure that the physical properties of the surface meet the use requirements, the manufacturer will carry out electroplating operation. During electroplating, a turnover tool is used.

[0003] In the production and processing technology, the cylinder body needs to be turned by 90° from the horizontal position to the vertical position or from the vertical position to the horizontal position. Due to the large outer diameter and heavy weight of the conveying cylinder, it is necessary to prevent side slipping, tipping, free falling and other safety accidents during the 90° turning process, which poses a great risk. Therefore, a turnover tool for cylinder body machining is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of turnover tool for cylinder body machining to solve the problem of turning by 90° from the horizontal position to the vertical position or from the vertical position to the horizontal position in the production and processing technology due to the process requirement. Due to the large outer diameter and heavy weight of the conveying cylinder, it is necessary to prevent side slipping, tipping, free falling and other safety accidents during the 90° turning process, which poses a great risk.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of turnover tool for cylinder body machining, including fixed base, the surface of the fixed base is provided with rotating shaft, the surface of the rotating shaft is fixed with bearing table, the surface of the bearing table is provided with height adjusting mechanism, the height adjusting mechanism includes motor main body, motor output sprocket, motor fixed plate, chain, left sprocket, left front bearing fixed seat, left guide rod, left rear bearing fixed seat, right rear bearing fixed seat, left trapezoidal screw, right trapezoidal screw, positioning frame, right guide rod, right front bearing fixed seat, right sprocket, right sliding plate, left sliding plate, left linear bearing, left trapezoidal nut, right trapezoidal nut and right linear bearing, the surface of the bearing table is provided with gyro wheel mechanism group, the surface of the bearing table is provided with hug fixed mechanism group, the surface of the fixed base is hinged with second hydraulic oil cylinder, the second hydraulic oil cylinder and bearing table are hinged with each other, the surface of the fixed base is fixed with the number of two limit rods, the surface of the limit rod is provided with collection assembly, the surface of the collection assembly is provided with positioning part, the positioning part and fixed base are connected with each other.

[0006] As preferred, the motor fixing plate is fixed to the surface of the bearing table, the motor body is fixed to the surface of the motor fixing plate, the motor output sprocket is fixed to the end of the motor body output shaft, the left front bearing fixing seat, the left rear bearing fixing seat, the right rear bearing fixing seat and the right front bearing fixing seat are fixed to the surface of the bearing table, the left guide rod is fixed between the left front bearing fixing seat and the left rear bearing fixing seat, the left trapezoidal screw is arranged between the left front bearing fixing seat and the left rear bearing fixing seat, the right trapezoidal screw is arranged between the right rear bearing fixing seat and the right front bearing fixing seat, the right guide rod is fixed between the right rear bearing fixing seat and the right front bearing fixing seat, the right linear bearing sliding sleeve is sleeved on the surface of the right guide rod, the right sliding plate is nested and fixed on the surface of the right linear bearing, the right trapezoidal nut is fixed on the surface of the right sliding plate, the right trapezoidal nut is threadedly connected with the right trapezoidal screw, the left linear bearing sliding sleeve is sleeved on the surface of the left guide rod, the left sliding plate is nested and fixed on the surface of the left linear bearing, the left trapezoidal nut is fixed on the surface of the left sliding plate, the left trapezoidal nut is threadedly connected with the left trapezoidal screw, the positioning frame is fixed between the left sliding plate and the right sliding plate, the left sprocket is fixed to the end of the left trapezoidal screw, the right sprocket is fixed to the end of the right trapezoidal screw, and the chain is engaged and connected to the surfaces of the left sprocket, the right sprocket and the motor output sprocket.

[0007] As preferred, the roller mechanism group comprises an arc surface roller, a roller shaft and a bearing seat, the bearing seat is symmetrically arranged on the surface of the bearing table, the roller shaft is arranged on the surface of the bearing seat, and the arc surface roller is fixed between the roller shafts.

[0008] As preferred, the holding and fixing mechanism group comprises a swing arm seat, a rotating pin, an arc-shaped arm, a sliding block, a first hydraulic oil cylinder, a bearing body and a positioning pin, the swing arm seat is symmetrically fixed on the surface of the bearing table, two rotating pins are hinged on the surface of the swing arm seat, the arc-shaped arm is fixed on the surface of the rotating pin, two bearing bodies are slidingly fitted on the surface of the arc-shaped arm, the sliding block is arranged between the bearing bodies, the output shaft of the first hydraulic oil cylinder is fixed on the surface of the sliding block, and the positioning pin is arranged between the swing arm seat and the first hydraulic oil cylinder.

[0009] As preferred, the collecting assembly comprises a garbage can, a connecting shaft, a grabbing rod and a gear, the garbage can is inserted into the surface of the limiting rod, two connecting shafts are symmetrically arranged on the surface of the garbage can, the grabbing rod is fixed on the surface of the connecting shaft, and the gear is fixed on the surface of the connecting shaft.

[0010] As preferred, the positioning component comprises a rack, a positioning plug rod and a limiting frame, the rack is engaged and connected to the surface of the gear, the positioning plug rod is fixed to the bottom of the rack, the limiting frame is slidingly penetrated into the inside of the positioning plug rod, and the end of the limiting frame is fixed to the fixed base.

[0011] As preferred, the surface of the limiting rod is provided with a socket, and the positioning plug rod is inserted into the limiting rod through the socket.

[0012] Compared with the prior art, the above technical scheme has the following technical effects:

[0013] 1. The utility model discloses a fixed base, rotating shaft, bearing table, height adjusting mechanism, gyro wheel mechanism group, hold fixed mechanism group and the mutual cooperation of second hydraulic oil cylinder, makes the device when overturning the conveying cylinder, and the stability safety is higher, and also convenient to load and unload, and then solve the problem that the prior art is in the process of turning over and the risk is bigger.

[0014] 2. The utility model discloses the mutual cooperation of limiting rod, collection subassembly and positioning part, makes the device when using, can collect the garbage of staff, thereby guaranteeing the cleanness of workshop, and it is helpful to the smooth progress of plating operation. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is the first view angle structural schematic drawing of the utility model;

[0017] Figure 2 It is the second view angle structural schematic drawing of the utility model;

[0018] Figure 3 It is the product vertical state structural schematic drawing of the utility model;

[0019] Figure 4 It is the hold fixed mechanism group three-dimensional structural schematic drawing of the utility model;

[0020] Figure 5 It is the bearing main body distribution structural schematic drawing of the utility model;

[0021] Figure 6 It is the gyro wheel mechanism group three-dimensional structural schematic drawing of the utility model;

[0022] Figure 7 It is the height adjusting mechanism front view structural schematic drawing of the utility model;

[0023] Figure 8 It is the height adjusting mechanism rear view structural schematic drawing of the utility model;

[0024] Figure 9 The collecting assembly layout structure schematic diagram of the utility model;

[0025] Figure 10 The utility model discloses a Figure 9 The enlarged structure schematic diagram of A place in the middle;

[0026] Figure 11 The utility model discloses a Figure 9 The enlarged structure schematic diagram of B place in the middle.

[0027] The figure mark explanation: 1, fixed base; 2, rotation axis; 3, bearing platform; 4, height adjusting mechanism; 401, motor main body; 402, motor output chain wheel; 403, motor fixed plate; 404, chain; 405, left chain wheel; 406, left front bearing fixed seat; 407, left guide rod; 408, left rear bearing fixed seat; 409, right rear bearing fixed seat; 410, left trapezoidal screw; 411, right trapezoidal screw; 412, positioning frame; 413, right guide rod; 414, right front bearing fixed seat; 415, right chain wheel; 416, right sliding plate; 417, left sliding plate; 418, left linear bearing; 419, left trapezoidal nut; 420, right trapezoidal nut; 421, right linear bearing; 5, gyro wheel mechanism group; 501, circular arc surface gyro wheel; 502, gyro wheel axle; 503, bearing seat; 6, hold tightly fixed mechanism group; 601, rotary arm seat; 602, rotary pin; 603, arc arm; 604, sliding block; 605, first hydraulic oil cylinder; 606, bearing main body; 607, positioning pin; 7, second hydraulic oil cylinder; 8, limit rod; 9, collecting assembly; 901, garbage can; 902, connecting shaft; 903, grab lever; 904, gear; 10, positioning part; 1001, rack; 1002, positioning plug; 1003, limit frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] It is to be understood that the structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the present application, should still fall within the scope of the disclosed technology.

[0030] Embodiment

[0031] In the prior art, in the production and processing process, the cylinder is placed vertically on the horizontal plane by 90° turning from the horizontal plane, and placed horizontally on the vertical plane by 90° turning from the vertical plane. Due to the large outer diameter of the conveying cylinder and the heavy weight, there is a great risk of safety accidents such as side sliding, tilting, free falling, etc. during 90° turning.

[0032] Please refer to Figures 1-11 The utility model provides a kind of technical scheme: a kind of turnover frock for cylinder processing, including fixed base 1, the surface of fixed base 1 is provided with rotating shaft 2, the surface of rotating shaft 2 is fixed with bearing table 3, to make device can satisfy the conveying cylinder overturning demand of different lengths, the surface of bearing table 3 is provided with height adjusting mechanism 4, height adjusting mechanism 4 includes motor main body 401, motor output sprocket 402, motor fixed plate 403, chain 404, left sprocket 405, left front bearing fixing seat 406, left guide rod 407, left rear bearing fixing seat 408, right rear bearing fixing seat 409, left trapezoidal screw 410, right trapezoidal screw 411, positioning frame 412, right guide rod 413, right front bearing fixing seat 414, right sprocket 415, right sliding plate 416, left sliding plate 417, left linear bearing 418, left trapezoidal nut 419, right trapezoidal nut 420 and right linear bearing 421, the surface of bearing table 3 is provided with gyro wheel mechanism group 5, the surface of bearing table 3 is provided with tight fixed mechanism group 6, the surface of fixed base 1 is hinged with second hydraulic oil cylinder 7, second hydraulic oil cylinder 7 and bearing table 3 are hinged with each other, the surface of fixed base 1 is fixed with two limit rods 8, the surface of limit rod 8 is provided with collection assembly 9, the surface of collection assembly 9 is provided with positioning part 10, positioning part 10 and fixed base 1 are connected with each other.

[0033] The motor fixing plate 403 is fixed on the surface of the bearing table 3, the motor main body 401 is fixed on the surface of the motor fixing plate 403, the motor output sprocket 402 is fixed on the output shaft end of the motor main body 401, the left front bearing fixing seat 406, the left rear bearing fixing seat 408, the right rear bearing fixing seat 409 and the right front bearing fixing seat 414 are fixed on the surface of the bearing table 3, the left guide rod 407 is fixed between the left front bearing fixing seat 406 and the left rear bearing fixing seat 408, the left trapezoidal screw rod 410 is arranged between the left front bearing fixing seat 406 and the left rear bearing fixing seat 408, the right trapezoidal screw rod 411 is arranged between the right rear bearing fixing seat 409 and the right front bearing fixing seat 414, the right guide rod 413 is fixed between the right rear bearing fixing seat 409 and the right front bearing fixing seat 414, the right linear bearing 421 is slidably sleeved on the surface of the right guide rod 413, the right sliding plate 416 is nested and fixed on the surface of the right linear bearing 421, the right trapezoidal screw nut 420 is fixed on the surface of the right sliding plate 416, the right trapezoidal screw nut 420 is threadedly connected with the right trapezoidal screw rod 411, the left linear bearing 418 is slidably sleeved on the surface of the left guide rod 407, the left sliding plate 417 is nested and fixed on the surface of the left linear bearing 418, the left trapezoidal screw nut 419 is fixed on the surface of the left sliding plate 417, the left trapezoidal screw nut 419 is threadedly connected with the left trapezoidal screw rod 410, the positioning frame 412 is fixed between the left sliding plate 417 and the right sliding plate 416, the left sprocket 405 is fixed on the end of the left trapezoidal screw rod 410, the right sprocket 415 is fixed on the end of the right trapezoidal screw rod 411, and the chain 404 is engagedly connected to the surfaces of the left sprocket 405, the right sprocket 415 and the motor output sprocket 402.

[0034] In order to facilitate the disassembly and assembly of the conveying cylinder, the roller mechanism group 5 is arranged, the roller mechanism group 5 comprises a circular arc surface roller 501, a roller shaft 502 and a bearing seat 503, the bearing seat 503 is symmetrically arranged on the surface of the bearing table 3, the roller shaft 502 is arranged on the surface of the bearing seat 503, and the circular arc surface roller 501 is fixed between the roller shafts 502. In order to increase the stability of the conveying cylinder during overturning and avoid construction danger, the tight fixing mechanism group 6 is arranged, the tight fixing mechanism group 6 comprises a rotating arm seat 601, a rotating pin 602, an arc-shaped arm 603, a sliding block 604, a first hydraulic oil cylinder 605, a bearing main body 606 and a positioning pin 607, the rotating arm seat 601 is fixed symmetrically on the surface of the bearing table 3, the two rotating pins 602 are hinged to the surface of the rotating arm seat 601, the arc-shaped arm 603 is fixed to the surface of the rotating pin 602, the two bearing main bodies 606 are slidably attached to the surface of the arc-shaped arm 603, the sliding block 604 is arranged between the bearing main bodies 606, the output shaft of the first hydraulic oil cylinder 605 is fixed to the surface of the sliding block 604, and the positioning pin 607 is arranged between the rotating arm seat 601 and the first hydraulic oil cylinder 605.

[0035] In order to collect the garbage generated by the staff, ensure the cleanliness of the processing site, the collecting assembly 9 is arranged, the collecting assembly 9 includes the garbage can 901, the connecting shaft 902, the grab lever 903 and the gear 904, the garbage can 901 is inserted into the surface of the limiting rod 8, the two connecting shafts 902 are symmetrically arranged on the surface of the garbage can 901, the grab lever 903 is fixed on the surface of the connecting shaft 902, the gear 904 is fixed on the surface of the connecting shaft 902, the surface of the garbage can 901 is provided with a pressing plate for fixing a garbage bag, the surface of the garbage can 901 is provided with a baffle for limiting the rotation range of the grab lever 903, in order to increase the stability of the collecting assembly 9, the positioning component 10 is arranged, the positioning component 10 includes the rack 1001, the positioning plug rod 1002 and the limiting frame 1003, the rack 1001 is engaged with the surface of the gear 904, the positioning plug rod 1002 is fixed at the bottom of the rack 1001, the limiting frame 1003 is slidably penetrated into the inside of the positioning plug rod 1002, the end of the limiting frame 1003 is fixed with the fixed base 1, and the surface of the limiting rod 8 is provided with a insertion hole, and the positioning plug rod 1002 is inserted into the limiting rod 8 through the insertion hole.

[0036] The working principle or structural principle is that when the conveying cylinder is processed, first, the staff adjusts the conveying cylinder to the surface of the circular arc roller 501 on the bearing table 3, and then starts the motor body 401 to drive the motor output sprocket 402 to rotate. Because the left sprocket 405, the right sprocket 415 and the motor output sprocket 402 are connected with each other by the chain 404, when the motor body 401 operates, the left sprocket 405 and the right sprocket 415 will rotate at the same time, and then the left trapezoidal screw 410 and the right trapezoidal screw 411 will rotate. When the left trapezoidal screw 410 and the right trapezoidal screw 411 rotate, the threads on the surface will displace the left trapezoidal nut 419 and the right trapezoidal nut 420, so as to displace the left sliding plate 417 and the right sliding plate 416 and the surface of the positioning frame 412, so that the positioning frame 412 can be attached to one end of the conveying cylinder. Next, start the first hydraulic oil cylinder 605 to displace the sliding block 604. When the sliding block 604 displaces, the arc-shaped arm 603 will rotate, so as to lock and fix the conveying cylinder. Next, if the conveying cylinder needs to be ninety degrees vertically, the staff can start the second hydraulic oil cylinder 7. During the extension of the output shaft, the bearing table 3 can be rotated, so that the conveying cylinder on the surface is turned over, until the processing is completed. During loading and unloading, because the circular arc roller 501 itself has the function of rotating, the movement amount required for loading and unloading is greatly reduced, and the integrity of the surface of the conveying cylinder is also ensured.

[0037] If the staff generates garbage during work, the garbage can be directly discarded into the inside of the garbage can 901, so as to ensure the cleanliness of the construction site, if the staff maintains and cleans the device, the garbage can 901 can also be taken off from the fixed base 1 and carried on the side of the body, so as to conveniently dump garbage at any time, when the garbage can 901 is taken off, the staff rotates the grab bar 903 by 90 degrees, when the grab bar 903 rotates, the connecting shaft 902 and the gear 904 are driven to rotate, because the gear 904 is meshed with the rack 1001, so when the gear 904 rotates, the rack 1001 is driven to displace, and then the positioning inserting rod 1002 is driven to move, so that the positioning inserting rod 1002 is separated from the limiting rod 8 in the inserted state, so that the garbage can 901 can be taken off from the surface of the limiting rod 8, and the staff can hold and carry it.

[0038] In summary, the device has the advantages of high safety and convenient garbage collection.

[0039] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combination or combination is not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A turnover tool for cylinder processing, comprising a fixed base (1), characterized in that: The surface of the fixed base (1) is provided with a rotating shaft (2), the surface of the rotating shaft (2) is fixedly provided with a bearing table (3), the surface of the bearing table (3) is provided with a height adjusting mechanism (4), the height adjusting mechanism (4) comprises a motor body (401), a motor output sprocket (402), a motor fixing plate (403), a chain (404), a left sprocket (405), a left front bearing fixing seat (406), a left guide rod (407), a left rear bearing fixing seat (408), a right rear bearing fixing seat (409), a left trapezoidal screw (410), a right trapezoidal screw (411), a positioning frame (412), a right guide rod (413), a right front bearing fixing seat (414), a right sprocket (415), a right sliding plate (416), a left sliding plate (417), a left linear bearing (418), a left trapezoidal nut (419), a right trapezoidal nut (420) and a right linear bearing (421), the surface of the bearing table (3) is provided with a roller mechanism group (5), the surface of the bearing table (3) is provided with a clamping fixing mechanism group (6), the surface of the fixed base (1) is hingedly provided with a second hydraulic oil cylinder (7), the second hydraulic oil cylinder (7) and the bearing table (3) are hingedly connected, the surface of the fixed base (1) is fixedly provided with two limiting rods (8), the surface of the limiting rod (8) is provided with a collecting assembly (9), the surface of the collecting assembly (9) is provided with a positioning part (10), and the positioning part (10) and the fixed base (1) are connected with each other.

2. The turnover tooling for cylinder machining according to claim 1, characterized in that: The motor fixed plate (403) is fixed on the surface of the bearing table (3), the motor main body (401) is fixed on the surface of the motor fixed plate (403), the motor output sprocket (402) is fixed on the output shaft end of the motor main body (401), the left front bearing fixed seat (406), the left rear bearing fixed seat (408), the right rear bearing fixed seat (409) and the right front bearing fixed seat (414) are fixed on the surface of the bearing table (3), the left guide rod (407) is fixed between the left front bearing fixed seat (406) and the left rear bearing fixed seat (408), the left trapezoidal screw rod (410) is arranged between the left front bearing fixed seat (406) and the left rear bearing fixed seat (408), the right trapezoidal screw rod (411) is arranged between the right rear bearing fixed seat (409) and the right front bearing fixed seat (414), the right guide rod (413) is fixed between the right rear bearing fixed seat (409) and the right front bearing fixed seat (414), the right linear bearing (421) is slidably sleeved on the surface of the right guide rod (413), the right sliding plate (416) is nested and fixed on the surface of the right linear bearing (421), the right trapezoidal nut (420) is fixed on the surface of the right sliding plate (416), the right trapezoidal nut (420) is threadedly connected with the right trapezoidal screw rod (411), the left linear bearing (418) is slidably sleeved on the surface of the left guide rod (407), the left sliding plate (417) is nested and fixed on the surface of the left linear bearing (418), the left trapezoidal nut (419) is fixed on the surface of the left sliding plate (417), the left trapezoidal nut (419) is threadedly connected with the left trapezoidal screw rod (410), the positioning frame (412) is fixed between the left sliding plate (417) and the right sliding plate (416), the left sprocket (405) is fixed on the end of the left trapezoidal screw rod (410), the right sprocket (415) is fixed on the end of the right trapezoidal screw rod (411), and the chain (404) is engaged and connected to the surfaces of the left sprocket (405), the right sprocket (415) and the motor output sprocket (402).

3. The turnover tooling for cylinder machining of claim 1, wherein: The roller mechanism group (5) comprises an arc surface roller (501), a roller shaft (502) and a bearing seat (503), the bearing seat (503) is symmetrically arranged on the surface of the bearing table (3), the roller shaft (502) is arranged on the surface of the bearing seat (503), and the arc surface roller (501) is fixed between the roller shafts (502).

4. The turnover tooling for cylinder machining of claim 1, wherein: The embrace fixing mechanism group (6) comprises a rotary arm seat (601), a rotary pin (602), an arc-shaped arm (603), a sliding block (604), a first hydraulic oil cylinder (605), a bearing body (606) and a positioning pin (607), the rotary arm seat (601) is fixed symmetrically on the surface of the bearing table (3), the rotary pin (602) is hinged on the surface of the rotary arm seat (601), the arc-shaped arm (603) is fixed on the surface of the rotary pin (602), the bearing body (606) is slidably attached to the surface of the arc-shaped arm (603), the sliding block (604) is arranged between the bearing bodies (606), the output shaft of the first hydraulic oil cylinder (605) is fixed on the surface of the sliding block (604), and the positioning pin (607) is arranged between the rotary arm seat (601) and the first hydraulic oil cylinder (605).

5. The turnover tooling for cylinder machining of claim 1, wherein: The collecting assembly (9) comprises a garbage can (901), a connecting shaft (902), a grabbing rod (903) and a gear (904), the garbage can (901) is inserted into the surface of the limiting rod (8), the connecting shaft (902) is symmetrically arranged on the surface of the garbage can (901), the grabbing rod (903) is fixed on the surface of the connecting shaft (902), and the gear (904) is fixed on the surface of the connecting shaft (902).

6. The turnover tooling for cylinder machining of claim 1, wherein: The positioning part (10) comprises a rack (1001), a positioning plug rod (1002) and a limiting frame (1003), the rack (1001) is connected to the surface of the gear (904), the positioning plug rod (1002) is fixed to the bottom of the rack (1001), the limiting frame (1003) is slidably inserted into the inside of the positioning plug rod (1002), and the end of the limiting frame (1003) is fixed with the fixed base (1).

7. The turnover tooling for cylinder machining of claim 6, wherein: The surface of the limiting rod (8) is provided with a plug hole, and the positioning plug rod (1002) is inserted into the limiting rod (8) through the plug hole.

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