An apparatus for trimming blanks in insulator production

Abstract

The present invention discloses a trimming device for insulator production, which relates to the technical field of casting and molding equipment. Based on a trimming base, a central shaft rotatably connects the trimming base and a trimming turntable. A clamping arc plate slidably connected to the turntable is driven by a clamping linkage assembly to stably clamp the insulator blank. A servo motor serves as a power source and cooperates with each transmission component through a drive shaft. It can not only drive the central shaft to rotate to realize the rotation of the trimming turntable, but also control the sliding of a tool holder translation frame to drive the trimming tool to operate. The clamping, rotation of the insulator blank and the action of the trimming tool are realized through a single servo motor. The cost and energy consumption are reduced, the action coordination degree is improved, and the defective product rate is significantly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of casting molding equipment, and in particular to a blank repairing device for insulator production. Background Art

[0002] As a component used for support and insulation in the power system, the surface quality and dimensional accuracy of insulators directly affect the stability and safety of power transmission. Traditional blanking methods mostly rely on manual operations, which are inefficient and difficult to ensure consistency in quality. Modern insulator production is gradually developing in the direction of automation and high precision, and various blanking devices have emerged. These devices are designed to trim the insulator blank through mechanized operations, remove excess parts, and make the insulator meet the specified size and surface quality requirements. Automated blanking devices can not only improve production efficiency, but also reduce errors caused by manual operations, improve product yield, and meet large-scale, high-quality production needs.

[0003] Existing insulator blank repairing devices have obvious defects in power drive and action coordination. Most existing equipment uses multiple independent power sources to drive blank clamping, blank rotation and blank repair tool movement respectively. This not only increases the manufacturing cost and energy consumption of the equipment, but also makes the equipment structure complicated and occupies a larger space. The coordinated control of multiple power sources is difficult, and it is easy to have uncoordinated coordination between the various actions. For example, when the blank clamping and the blank repairing tool feeding are carried out at the same time, the blank may be repaired without stable clamping due to the difference in response speed of different power sources, which seriously affects the blank repair accuracy and even causes damage to the blank. Since each power source works independently, it is difficult to achieve accurate linkage of all actions, resulting in a high rate of defective products. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a blank repairing device for insulator production, comprising a blank repairing base, on which a blank repairing platform is erected; a central axis is rotatably connected to the middle of the blank repairing base, a blank repairing turntable is fixed to the top of the central axis, and the upper end of the blank repairing turntable passes through the blank repairing platform and is rotatably connected to the blank repairing platform;

[0005] The top of the blank repairing turntable is slidably connected to two clamping arc plates arranged opposite to each other. A slide groove for the clamping arc plates to slide is provided on the top of the blank repairing turntable, and a clamping linkage assembly is provided for driving the two clamping arc plates to slide in a direction close to each other.

[0006] A turntable linkage assembly is provided for driving the central axis to rotate, a tool mounting seat is provided above the trimming platform side, a plurality of trimming tools are installed on the side wall of the tool mounting seat, and a tool linkage assembly is provided for driving the trimming tools to slide.

[0007] Further, a servo motor is installed on the top of the trimming base. The output end of the servo motor is connected to a drive shaft. A transverse table that is slidably connected to the trimming base is arranged at the rear side of the drive shaft.

[0008] Further, the clamping linkage assembly includes two boosting plates that abut against both sides of the transverse table. Two first external threads are provided on the drive shaft, and the two first external threads are respectively threadedly connected to the two boosting plates. Assist clamping arc plates are arranged on the sides of the two clamping arc plates that are away from each other. A long plate is fixed to the outer wall of the assist clamping arc plate. A clamping linkage shaft is provided to pass through the two long plates. Two opposite threaded sections are provided on the clamping linkage shaft, and the two opposite threaded sections are respectively threadedly connected to the two long plates. A worm gear is fixed to the outer side surface of the drive shaft. The worm gear passes through the trimming platform. A worm is meshed below the worm gear. A clamping linkage spur gear is fixed to the outer side surface of the worm gear. A toothed plate is arranged on the top of the transverse table. During the movement of the transverse table, the toothed plate can be meshed with the clamping linkage spur gear.

[0009] Further, two groups of first reset components are arranged on both sides of the transverse table. The first reset component includes a first positioning plate fixed to the trimming base. A first compression spring is fixed to the side wall of the first positioning plate close to the transverse table. The two groups of first reset components are respectively located at the head end and the tail end of the movement of the transverse table. The two groups of first compression springs can respectively contact the two boosting plates, so that the boosting plates will not completely disengage from the first external threads, and can drive the boosting plates to move reversely and reset when the drive shaft rotates reversely.

[0010] Further, the toothed plate is inserted into the transverse table, and the clamping arc plate is inserted into the trimming platform, so that different applicable accessories can be replaced according to insulators of different sizes.

[0011] Further, balls are rotatably connected to the inner wall of the assist clamping arc plate to reduce the friction when the clamping arc plate rotates with the trimming turntable.

[0012] Further, the turntable linkage assembly includes an extension plate fixed to the side wall of the transverse table. A turntable linkage shaft is rotatably connected to the outer wall of the extension plate. A turntable linkage spur gear is fixed to the outer side surface of the turntable linkage shaft. A long spur gear is fixed to the outer side surface of a section of the drive shaft close to the central axis. The turntable linkage spur gear can be meshed with the long spur gear. A first bevel gear is fixed to the end of the turntable linkage shaft. A second bevel gear that can be meshed with the first bevel gear is fixed to the outer side surface of the central axis. When the extension plate moves with the transverse table to make the first bevel gear meshed with the second bevel gear, the turntable linkage spur gear and the long spur gear are in a meshed state.

[0013] Further, the tool linkage assembly includes a tool seat translation frame slidably connected to the top of the blank trimming base. The tool seat translation frame passes through the blank trimming platform, and the blank trimming platform is provided with a through groove for the tool seat translation frame to slide. The drive shaft passes through the tool seat translation frame, and a second external thread is provided on the drive shaft. The tool seat translation frame is threadedly connected to the drive shaft through the second external thread, and the thread helix direction of the second external thread is opposite to that of the first external thread.

[0014] Further, two groups of second reset components are arranged on both sides of the second external thread. The second reset component includes a second positioning plate fixed to the blank trimming base. A second compression spring is fixed to the side wall of the second positioning plate close to the second external thread. The two groups of second reset components are respectively located at the head end and the tail end of the movement of the tool seat translation frame. The two groups of second compression springs can respectively contact the opposite side walls of the tool seat translation frame, so that the tool seat translation frame will not completely disengage from the second external thread, and can drive the tool seat translation frame to move in the reverse direction and reset when the drive shaft rotates in the reverse direction.

[0015] Further, the blank trimming tool is connected to the tool mounting seat through a screw rod, so that different blank trimming tools can be replaced according to insulators of different sizes.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. Driven by a single servo motor, this solution realizes the coordinated operation of the clamping, rotation of the insulator blank and the movement of the blank trimming tool. Through the transmission structure, they are interlinked and perform their respective functions. During the blank clamping process, the rotation of the servo motor controls the movement of the clamping arc plate through multi-stage transmission, ensuring that the blank is stably clamped, and drives the blank trimming turntable to rotate and drives the blank trimming tool to translate through the transmission, realizing clamping first and then blank trimming. The cooperation degree and processing consistency between each action are high, reducing the coordination problems between power sources, reducing the probability of equipment failures and defective products. Compared with the traditional blank trimming device with multiple power sources, the manufacturing cost of the equipment is reduced and the energy consumption is reduced.

[0018] 2. By rotating the drive shaft, the sliding of the two clamping arc plates can be realized, and the clamping arc plates are replaceable, so as to clamp insulator blanks of different sizes. The friction is reduced by the ball bearings, and the auxiliary clamping arc plate and the clamping arc plate are closely matched, which can ensure that the blank is firmly fixed during the blank trimming process, effectively improving the blank trimming accuracy and reducing the defective rate caused by the looseness of the blank.

[0019] 3. The turntable linkage component realizes the control of the rotation speed of the trimming turntable through multi-stage transmission. The power of the servo motor is transmitted to the central shaft through the drive shaft, long straight gear, turntable linkage straight gear, turntable linkage shaft, first bevel gear and second bevel gear, driving the trimming turntable to rotate. This transmission method can flexibly adjust the rotation speed of the trimming turntable according to the requirements of the trimming process. When trimming insulators of different materials and shapes, an appropriate rotation speed can be selected to avoid damaging the blank due to improper rotation speed.

[0020] 4. By the threaded connection between the second external thread on the drive shaft and the tool holder translation frame, the moving distance of the tool holder translation frame can be accurately controlled each time, and the trimming tool is connected to the tool mounting seat through a screw, which is convenient to replace different types of trimming tools according to insulators of different sizes and shapes. In actual production, when it is necessary to trim different parts of the insulator, the tool position can be quickly adjusted and the tool can be replaced, greatly improving the flexibility and adaptability of trimming and meeting the diverse trimming requirements. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the present invention in the initial state;

[0022] Figure 2 is a schematic top view connection structure diagram of the trimming turntable in the present invention;

[0023] Figure 3 is a schematic connection structure diagram of the servo motor in the present invention;

[0024] Figure 4 is a schematic connection structure diagram of the worm gear in the present invention;

[0025] Figure 5 is a schematic connection structure diagram of the trimming tool in the present invention;

[0026] Figure 6 is a schematic structural diagram of the present invention in the trimming state.

[0027] Explanation of the reference numerals in the drawings is as follows: 1. Trimming base; 2. Trimming platform; 3. Central shaft; 4. Trimming turntable; 51. Boosting plate; 52. First external thread; 53. Auxiliary clamping arc plate; 54. Long plate; 55. Clamping linkage shaft; 56. Worm gear; 57. Worm; 58. Clamping linkage straight gear; 59. Rack; 61. Extension plate; 62. Turntable linkage shaft; 63. Turntable linkage straight gear; 64. Long straight gear; 65. First bevel gear; 66. Second bevel gear; 71. Tool holder translation frame; 72. Second external thread; 81. First positioning plate; 82. First compression spring; 91. Second positioning plate; 92. Second compression spring; 10. Clamping arc plate; 11. Tool mounting seat; 12. Trimming tool; 13. Servo motor; 14. Drive shaft; 15. Horizontal table; 16. Ball. Detailed implementation mode

[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] The present invention will be further described below in conjunction with the accompanying drawings of the specification:

[0031] Embodiment 1

[0032] A trimming device for insulator production, as Figure 1 and Figure 6 shown, install a trimming platform 2 on the trimming base 1 to make it stand firmly. Install a central shaft 3 in the middle of the trimming base 1 and ensure that the central shaft 3 is smoothly rotatably connected to the trimming base 1. Fix the trimming turntable 4 on the top of the central shaft 3, and at the same time make the upper end of the trimming turntable 4 pass through the trimming platform 2 and be rotatably connected to the trimming platform 2, providing a basis for the subsequent rotational trimming of the blank.

[0033] As Figures 1 to 4As shown in the figure, in this embodiment, a servo motor 13 is installed on the top of the trimming base 1, and the output end of the servo motor 13 is connected to the drive shaft 14 to ensure stable power transmission. A transverse table 15 slidably connected to the trimming base 1 is arranged at the rear side of the drive shaft 14. Two boosting plates 51 are arranged on both sides of the transverse table 15. Two sections of first external threads 52 are formed on the drive shaft 14 and are respectively threadedly connected to the two boosting plates 51, so that when the drive shaft 14 rotates, it can drive the boosting plates 51 to move axially. A assisting clamping arc plate 53 is arranged on the side where the two clamping arc plates 10 are away from each other. A long plate 54 is fixed on the outer wall of the assisting clamping arc plate 53. A clamping linkage shaft 55 is installed through the two long plates 54. Two opposite threaded sections are formed on the clamping linkage shaft 55 and are respectively threadedly connected to the two long plates 54. When the clamping linkage shaft 55 rotates, it can drive the two clamping arc plates 10 to slide closer to each other through the assisting clamping arc plate 53. A worm gear 56 is fixed on the outer side surface of the drive shaft 14. The worm gear 56 passes through the trimming platform 2, and a worm 57 meshing with it is installed below the worm gear 56. A clamping linkage spur gear 58 is fixed on the outer side surface of the worm gear 56. A toothed plate 59 is arranged on the top of the transverse table 15. During the movement of the transverse table 15, the toothed plate 59 can mesh with the clamping linkage spur gear 58 to realize the linkage between the clamping action and the movement of the transverse table 15.

[0034] As Figure 1 , Figure 2 and Figure 3 shown, in this embodiment, two groups of first reset components are arranged on both sides of the transverse table 15. The first reset component includes a first positioning plate 81 fixed to the trimming base 1. A first compression spring 82 is fixed to the side wall of the first positioning plate 81 close to the transverse table 15. The two groups of first reset components are respectively located at the starting end and the ending end of the movement of the transverse table 15, so that the boosting plate 51 will not completely disengage from the first external thread 52, and the boosting plate 51 can move reversely and reset when the drive shaft 14 rotates reversely. The toothed plate 59 is inserted into the transverse table 15, and the clamping arc plate 10 is inserted into the trimming platform 2, which is convenient for replacing different applicable accessories according to insulators of different sizes. A ball 16 is rotatably connected to the inner wall of the assisting clamping arc plate 53 to reduce the friction when the clamping arc plate 10 rotates with the trimming turntable 4.

[0035] Embodiment 2

[0036] On the basis of the above Embodiment 1, as Figure 1 , Figure 3 and Figure 6As shown in the figure, an extension plate 61 is fixed to the side wall of the horizontal table 15. A turntable linkage shaft 62 is rotatably connected to the outer wall of the extension plate 61, and a turntable linkage spur gear 63 is fixed to the outer side surface of the turntable linkage shaft 62. A long spur gear 64 is fixed to the outer side surface of one end of the drive shaft 14 close to the central shaft 3 to ensure that the turntable linkage spur gear 63 can mesh with the long spur gear 64. A first bevel gear 65 is fixed to the end of the turntable linkage shaft 62, and a second bevel gear 66 that can mesh with the first bevel gear 65 is fixed to the outer side surface of the central shaft 3. When the extension plate 61 moves with the horizontal table 15 to make the first bevel gear 65 mesh with the second bevel gear 66, the turntable linkage spur gear 63 and the long spur gear 64 are in a meshed state, realizing that the drive shaft 14 can drive the trimming turntable 4 to rotate after clamping is completed, and further realizing driving the insulator blank to rotate.

[0037] Embodiment 3

[0038] On the basis of the above Embodiment 2, as Figure 1 、 Figure 5 and Figure 6 shown in the figure, a tool holder translation frame 71 is installed on the top of the trimming base 1, enabling it to slide on the trimming base 1 and pass through the trimming platform 2. A through groove for the tool holder translation frame 71 to slide is opened on the trimming platform 2. The drive shaft 14 passes through the tool holder translation frame 71, and a second external thread 72 is opened on the drive shaft 14. The tool holder translation frame 71 is threadedly connected to the drive shaft 14 through the second external thread 72, and the thread helix direction of the second external thread 72 is opposite to that of the first external thread 52, realizing the translation of the tool holder translation frame 71 when the drive shaft 14 rotates, and the trimming tool 12 approaches or moves away from the insulator blank.

[0039] As Figure 1 and Figure 6 shown in the figure, in this embodiment, two groups of second reset components are arranged on both sides of the second external thread 72. The second reset component includes a second positioning plate 91 fixed to the trimming base 1, and a second compression spring 92 is fixed to the side wall of the second positioning plate 91 close to the second external thread 72. The two groups of second reset components are respectively located at the head and tail ends of the movement of the tool holder translation frame 71, so that the tool holder translation frame 71 will not completely break away from the second external thread 72, and the tool holder translation frame 71 can move reversely and reset when the drive shaft 14 rotates in the reverse direction. The trimming tool 12 is connected to the tool mounting seat 11 through a screw, which is convenient for replacing different trimming tools 12 according to insulators of different sizes.

[0040] Among them, a protective cover frame can be installed on the top of the trimming base 1 to protect the components between the trimming platform 2 and the trimming base 1, preventing the material chips from splashing onto the components during the trimming process. An outer cover is arranged outside the worm gear 56 to protect the worm gear 56 and prevent the material chips from falling onto the worm gear 56 and affecting its normal operation.

[0041] The working principle of the present invention is as follows:

[0042] Blank body clamping: Start the servo motor 13, and the servo motor 13 drives the drive shaft 14 to rotate. Since the two sections of the first external thread 52 on the drive shaft 14 are respectively threadedly connected to the two boosting plates 51, when the drive shaft 14 rotates, the two boosting plates 51 will move axially along the drive shaft 14. When the transverse table 15 moves, the toothed plate 59 on its top meshes with the clamping linkage spur gear 58, driving the worm gear 56 to rotate, and then causing the clamping linkage shaft 55 to rotate. The two opposite threaded sections on the clamping linkage shaft 55 are respectively threadedly connected to the two long plates 54. Therefore, when the clamping linkage shaft 55 rotates, the two long plates 54 drive the auxiliary clamping arc plate 53 and the clamping arc plate 10 to slide in the opposite direction, realizing the clamping or loosening action of the insulator blank. When the transverse table 15 needs to be reset, the first compression spring 82 of the first reset assembly will push the boosting plate 51, so that the transverse table 15 can be threadedly connected to the first external thread 52, enabling it to move reversely and reset smoothly when the drive shaft 14 rotates reversely, ensuring the normal cyclic operation of the clamping structure.

[0043] Among them, the toothed plate 59 is inserted into the transverse table 15, and the clamping arc plate 10 is inserted into the trimming platform 2, which is convenient for replacing different applicable accessories according to insulators of different sizes. The inner wall of the auxiliary clamping arc plate 53 is connected with a rolling ball 16 in a rolling manner, reducing the friction when the clamping arc plate 10 rotates with the trimming turntable 4.

[0044] Trimming turntable 4 rotation: When the transverse table 15 moves, the extension plate 61 moves accordingly. When the extension plate 61 moves to the position where the first bevel gear 65 meshes with the second bevel gear 66, the turntable linkage spur gear 63 and the long spur gear 64 are already in a meshed state (at this time, the boosting plate 51 close to the central shaft 3 compresses the first compression spring 82 at this end, and the movement of the transverse table 15 just stops). The drive shaft 14 rotates to drive the long spur gear 64 to rotate, the long spur gear 64 drives the turntable linkage spur gear 63 to rotate, and then causes the turntable linkage shaft 62 to rotate. The first bevel gear 65 at the end of the turntable linkage shaft 62 drives the second bevel gear 66 to rotate, thereby causing the central shaft 3 to rotate, realizing the rotation of the trimming turntable 4 and driving the clamped insulator blank to rotate.

[0045] Translation of the trimming tool 12 in translation: When the drive shaft 14 rotates, since the tool holder translation frame 71 is threadedly connected to the drive shaft 14 through the second external thread 72, and the thread helix direction of the second external thread 72 is opposite to that of the first external thread 52, the rotation of the drive shaft 14 will cause the tool holder translation frame 71 to translate on the trimming base 1 in a direction opposite to that of the transverse table 15. The trimming tool 12 gradually approaches the insulator blank. When the trimming turntable 4 drives the insulator blank to rotate, the trimming tool 12 performs the trimming operation. The extreme position of the movement of the tool holder translation frame 71 is when it moves to compress the second compression spring 92 near one end of the central axis 3. When the drive shaft 14 rotates in the reverse direction, the second compression spring 92 of the second reset assembly will push the tool holder translation frame 71 so that the tool holder translation frame 71 can be threadedly connected to the second external thread 72 and can move smoothly in the reverse direction and reset when the drive shaft 14 rotates in the reverse direction.

[0046] Among them, the trimming tool 12 is connected to the tool mounting seat 11 through a screw, which is convenient for replacing different trimming tools 12 according to insulators of different sizes and meets the adjustment requirements of the tool position for different trimming processes.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A trimming device for insulator production, comprising a trimming base (1), and a trimming platform (2) erected on the trimming base (1); characterized in that: The middle part of the trimming base (1) is rotatably connected to the central shaft (3). The central shaft (3) fixes the trimming turntable (4). The upper end of the trimming turntable (4) passes through the trimming platform (2) and is rotatably connected to the trimming platform (2). Two oppositely arranged clamping arc plates (10) are slidably connected to the top of the trimming turntable (4). A sliding groove for the clamping arc plates (10) to slide is formed at the top of the trimming turntable (4). A clamping linkage assembly for driving the two clamping arc plates (10) to slide in the approaching direction is provided. A turntable linkage assembly for driving the central shaft (3) to rotate is provided. A tool mounting seat (11) is arranged above the side of the trimming platform (2). The tool mounting seat (11) is provided with a plurality of trimming tools (12). A tool linkage assembly for driving the trimming tools (12) to slide is provided. A servo motor (13) is installed on the top of the trimming base (1). The output end of the servo motor (13) is connected to a drive shaft (14). A transverse table (15) slidably connected to the trimming base (1) is arranged at the rear side of the drive shaft (14). The clamping linkage assembly includes two boosting plates (51) abutting against both sides of the transverse table (15). Two first external threads (52) respectively threadedly connected to the two boosting plates (51) are formed on the drive shaft (14). Assist clamping arc plates (53) are arranged on the sides of the two clamping arc plates (10) away from each other. A long plate (54) is fixed to the outer wall of the assist clamping arc plate (53). A clamping linkage shaft (55) passes through the two long plates (54). Two opposite thread segments respectively threadedly connected to the two long plates (54) are formed on the clamping linkage shaft (55). A worm gear (56) is fixed to the outer side surface of the drive shaft (14). The worm gear (56) passes through the trimming platform (2) and meshes with a worm (57). A clamping linkage spur gear (58) is fixed to the outer side surface of the worm gear (56). A toothed plate (59) is arranged on the top of the transverse table (15). During the movement of the transverse table (15), the toothed plate (59) can mesh with the clamping linkage spur gear (58). The turntable linkage assembly includes an extension plate (61) fixed to the side wall of the transverse table (15). A turntable linkage shaft (62) is rotatably connected to the outer wall of the extension plate (61). A turntable linkage spur gear (63) is fixed to the outer side surface of the turntable linkage shaft (62). A long spur gear (64) is fixed to the outer side surface of a section of the drive shaft (14) close to the central shaft (3). The turntable linkage spur gear (63) can mesh with the long spur gear (64). A first bevel gear (65) is fixed to the end of the turntable linkage shaft (62). A second bevel gear (66) capable of meshing with the first bevel gear (65) is fixed to the outer side surface of the central shaft (3). When the extension plate (61) moves with the transverse table (15) to make the first bevel gear (65) mesh with the second bevel gear (66), the turntable linkage spur gear (63) and the long spur gear (64) are in a meshing state.

2. The trimming device for insulator production according to claim 1, wherein: On both sides of the transverse table (15), there are two groups of first reset components. The first reset component includes a first positioning plate (81) fixed to the trimming base (1). A first compression spring (82) is fixed to the side wall of the first positioning plate (81) close to the transverse table (15). The two groups of first reset components are respectively located at the head end and the tail end of the movement of the transverse table (15). The two groups of first compression springs (82) can respectively contact two boosting plates (51) so that the boosting plates (51) will not completely disengage from the first external thread (52), and when the drive shaft (14) rotates in reverse, it can drive the boosting plates (51) to move backward and reset.

3. The trimming device for insulator production according to claim 1, characterized in that: The toothed plate (59) is inserted into the transverse table (15), and the clamping arc plate (10) is inserted into the trimming platform (2) so that different applicable accessories can be replaced according to insulators of different sizes.

4. The trimming device for insulator production according to claim 1, characterized in that: The inner wall of the assisting clamping arc plate (53) is connected with balls (16) in a rolling manner to reduce the friction when the clamping arc plate (10) rotates with the trimming turntable (4).

5. The trimming device for insulator production according to claim 1, characterized in that: The tool linkage component includes a tool seat translation frame (71) slidably connected to the top of the trimming base (1). The tool seat translation frame (71) passes through the trimming platform (2). The trimming platform (2) is provided with a through groove for the tool seat translation frame (71) to slide. The drive shaft (14) passes through the tool seat translation frame (71). A second external thread (72) is provided on the drive shaft (14). The tool seat translation frame (71) is threadedly connected to the drive shaft (14) through the second external thread (72), and the thread helix direction of the second external thread (72) is opposite to that of the first external thread (52).

6. The trimming device for insulator production according to claim 5, characterized in that: On both sides of the second external thread (72), there are two groups of second reset components. The second reset component includes a second positioning plate (91) fixed to the trimming base (1). A second compression spring (92) is fixed to the side wall of the second positioning plate (91) close to the second external thread (72). The two groups of second reset components are respectively located at the head end and the tail end of the movement of the tool seat translation frame (71). The two groups of second compression springs (92) can respectively contact the opposite side walls of the tool seat translation frame (71) so that the tool seat translation frame (71) will not completely disengage from the second external thread (72), and when the drive shaft (14) rotates in reverse, it can drive the tool seat translation frame (71) to move backward and reset.

7. An insulator production trimming device according to claim 5, characterized in that: The trimming tool (12) is connected to the tool mounting seat (11) through a screw so that different trimming tools (12) can be replaced according to insulators of different sizes.

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