CN209632782U - Rocking equipment - Google Patents

Abstract

The utility model belongs to grinding equipment technical field more particularly to a kind of rocking equipment, and rocking equipment includes: pedestal, and sliding is provided with slide unit, and the slide unit is for installing fixed emery wheel mechanism；First driving motor is connect with the slide unit；Slider-crank mechanism, the offset assembly of the output axis connection including the second driving motor and second driving motor and the connecting rod for being connected to the offset assembly；One end of the connecting rod is flexibly connected with the slide unit, and second driving motor drives the connecting rod to swing back and forth by the offset assembly, makes the connecting rod that the slide unit be driven to slidably reciprocate on the pedestal, to drive the grinding wheel mechanism to move back and forth.The application is swung due to the second driving motor of slider-crank mechanism by offset assembly drive link, slide unit can be driven to slidably reciprocate on the base when connecting rod swing, and then the grinding wheel mechanism on slide unit is driven to slidably reciprocate, be ground grinding wheel back and forth to cutter, overall structure is simple, low manufacture cost.

Description

swing device

technical field

The utility model belongs to the technical field of grinding processing equipment, in particular to a swing device.

Background technique

Hard material knives have the advantages of high hardness, good thermal conductivity, small thermal expansion and high chemical stability, and have been widely used in many cutting processes, such as milling instead of grinding, hard machining, high-speed cutting, etc. The processing process of hard material knives mainly includes cutting of hard material composite sheet, making of knife body, welding, sharpening, etc. Among them, sharpening is the key process to determine the geometric shape and dimensional accuracy of the tool. The existing grinding equipment is generally The processing accuracy is not high, it is difficult to obtain high-precision hard material tools, and most of the swinging parts used to drive the grinding wheel to move back and forth are complex in structure and the cost of accessories is high.

Utility model content

The purpose of the utility model is to provide a rocking device, aiming to solve the technical problems of the rocking device in the prior art with complicated structure and high cost of accessories.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a rocking device installed on the grinding equipment, the grinding equipment includes a workbench, a clamp set on the workbench and used for clamping the tool holding mechanism and grinding wheel mechanism, wherein the rocking device includes:

The base is slidably provided with a sliding table, and the sliding table is used to install and fix the grinding wheel mechanism;

a first drive motor connected to the slide table and used to drive the slide table to move to a predetermined position;

A slider crank mechanism, including a second drive motor, an eccentric assembly connected to the output shaft of the second drive motor, and a connecting rod connected to the eccentric assembly;

Wherein, one end of the connecting rod is movably connected with the sliding table, and the second driving motor drives the connecting rod to swing back and forth through the eccentric assembly, so that the connecting rod drives the sliding table on the base Slide back and forth to drive the grinding wheel mechanism to move back and forth, thereby realizing the back and forth grinding of the tool.

Further, the slide table includes a first slide table slidably connected to the base and a second slide table slidably connected to the top surface of the first slide table, and the grinding wheel mechanism is fixed on the second slide table The top surface of the table, one end of the first slide table has an extension section protruding relative to the second slide table, and the second drive motor is arranged on the extension section.

Further, the first slide table is slidably connected to the base through a first slide rail, the second slide table is slidably connected to the first slide table through a second slide rail, and the first slide rail and Each of the second slide rails includes a first slide bar and a second slide bar arranged at intervals, a cage arranged between the first slide bar and the second slide bar, and a cage mounted on the first slide bar and the second slide bar. A plurality of rolling columns between the second slide bar, the first slide bar and the second slide bar can slide relative to each other.

Further, the opposite sides of the first slide bar and the second slide bar are provided with V-shaped grooves, and the V-shaped grooves on both sides jointly form an accommodation suitable for accommodating a plurality of rolling columns. The cage is provided with a plurality of rectangular holes at equal intervals along the length direction, and the rolling column passes through the rectangular holes, and the two axial ends of the rolling column are respectively connected to the groove walls of the V-shaped grooves on both sides Paste, the angle between the axial directions of two adjacent rolling columns is 90 degrees.

Further, the extension section is provided with a hollow box body, and the side of the box body facing the second slide table is open, the second drive motor is installed on the box body and its output shaft protrudes In the box body, the eccentric assembly is accommodated in the box body, and one end of the connecting rod extends into the box body to connect with the eccentric assembly.

Further, the eccentric assembly includes a guide connected to the output shaft of the second driving motor, a slider slidably arranged on the guide, the slider is connected with the connecting rod, and the second When the driving motor drives the guide to rotate, the slider slides back and forth on the guide, so that the slider drives the connecting rod to swing back and forth, and then the connecting rod drives the sliding table to move on the base. Slide back and forth on the seat.

Further, the connecting rod includes a first rod end joint bearing, a second rod end joint bearing and a connecting rod, the first rod end joint bearing and the second rod end joint bearing are connected through the connecting rod, and the first rod end joint bearing is connected by the connecting rod. One end of a rod-end joint bearing is movably connected with the slide table, and one end of the second rod-end joint bearing is movably connected with the slider.

Further, the bottom surface of the guide has an opening, and a chute communicating with the opening is provided in the guide, and the slider includes an embedded part whose shape is adapted to the chute and is connected to the chute. The connecting part at the bottom of the embedded part, the embedded part can slide back and forth in the chute, one end of the second rod end joint bearing is movably embedded with a spherical sliding bearing, and the top of the spherical sliding bearing is provided with A connecting column, the connecting part passes through the opening and is connected and fixed to the connecting column.

Further, the chute is a dovetail groove, and the longitudinal section of the embedded part is dovetail-shaped.

Further, one side of the guide is screwed with an adjustment screw, and one end of the adjustment screw can extend into the chute and abut against the slider, so as to realize the adjustment of the slider in the chute. The adjustment of the maximum stroke of the middle movement.

Beneficial effects of the utility model: the swing device of the utility model is provided with a slider crank mechanism, the second drive motor of the slider crank mechanism drives the connecting rod to swing through the eccentric assembly, and one end of the connecting rod is movably connected to the slider of the base. When the connecting rod swings, it can drive the sliding table to slide back and forth on the base, and then drive the grinding wheel mechanism on the sliding table to slide back and forth, so that the grinding wheel can grind the tool back and forth. The overall structure is simple, the production cost is low, and the cutting tool can be accurately realized. grinding.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural view of the rocking device provided by the embodiment of the present invention installed on the grinding equipment;

Fig. 2 is a schematic diagram of the three-dimensional structure of the rocking device shown in Fig. 1;

Fig. 3 is a three-dimensional structural schematic diagram of the crank slider mechanism in the rocking device shown in Fig. 1;

Fig. 4 is the explosion schematic diagram of the slider crank mechanism in the rocking device shown in Fig. 1;

Fig. 5 is a side view of the slider crank mechanism in the rocking device shown in Fig. 1;

Fig. 6 is a sectional view of the slider crank mechanism in the rocking device shown in Fig. 1;

Fig. 7 is an explosion schematic diagram of the second slide rail in the swing device shown in Fig. 1;

Fig. 8 is a sectional view of the second slide rail in the rocking device shown in Fig. 1;

FIG. 9 is a schematic cross-sectional view of the second slide rail in the rocking device shown in FIG. 1 .

Wherein, each reference sign in the figure:

10—worktable 11—grinding wheel mechanism 12—grinding wheel

13—base 14—first drive motor 15—slider crank mechanism

100—slide 101—the first slide 102—the second slide

110—the first slide plate 120—the first slide rail 130—the second slide plate

131—installation block 132—installation groove 133—fastener

134—Spherical sliding bearing 140—Second slide rail 141—First slide bar

142—Second sliding bar 143—V-shaped groove 144—Cage

145—rolling column 146—rectangular hole 147—matching surface

200—second driving motor 210—output shaft 220—key

300—eccentric assembly 310—guide 311—chute

312—protruding shaft 313—adjusting block 314—side plate

320—slider 321—embedded part 322—connecting part

330—spherical sliding bearing 331—connecting column 332—limiting block

333—spacer 400—connecting rod 410—first rod end joint bearing

420—second rod end joint bearing 430—connecting rod 500—box

510—mounting frame.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

As shown in Figures 1-2, the swing device provided by the embodiment of the utility model is installed on the grinding equipment, which can be used to process the cutting tools of high hardness materials. On the table 10 and for the clamping mechanism of the clamping tool, and the grinding wheel mechanism 11, the grinding wheel mechanism 11 is provided with a grinding wheel 12 for grinding the tool, and the swing device is used to drive the grinding wheel mechanism 11 to feed back and forth in the direction of the tool, so as to Realize high-precision grinding.

The rocking device includes a base 13 , a first driving motor 14 and a slider crank mechanism 15 . A sliding platform 100 is slidably arranged on the base 13 , and the grinding wheel mechanism 11 is installed and fixed on the sliding platform 100 . The first driving motor 14 can be a servo motor, and the first driving motor 14 is connected with the slide table 100 to drive the slide table 100 to a predetermined position, and then drive the grinding wheel mechanism 11 to move to the predetermined position. When the grinding wheel mechanism 11 moves to the predetermined position After that, the first drive motor 14 stops driving and locks the position. The slider crank mechanism 15 includes a second driving motor 200, an eccentric assembly 300 and a connecting rod 400, the second driving motor 200 can be a geared motor, the eccentric assembly 300 is connected with the output shaft 210 of the second driving motor 200, and one end of the connecting rod 400 It is connected with the eccentric assembly 300, and the other end of the connecting rod 400 is movably connected with the sliding table 100. The second driving motor 200 drives the connecting rod 400 to move through the eccentric assembly 300, so that the connecting rod 400 can drive the sliding table 100 to slide back and forth on the base 13 , and then drive the grinding wheel mechanism 11 to move back and forth along the edge, thereby realizing the back and forth grinding of the cutter on the clamping and clamping mechanism.

The swing device provided in this embodiment, since the slider crank mechanism 15 is provided, the second drive motor 200 of the slider crank mechanism 15 drives the connecting rod 400 to swing through the eccentric assembly 300, and one end of the connecting rod 400 is movably connected to the base 13. The sliding table 100, when the connecting rod 400 swings, can drive the sliding table 100 to slide back and forth on the base 13, and then drive the grinding wheel mechanism 11 on the sliding table 100 to slide back and forth, so that the grinding wheel grinds the tool back and forth. The overall structure is simple and the production cost is low. , can accurately realize the grinding of the tool.

In one embodiment, as shown in Fig. 1 and Fig. 2, the slide table 100 includes a first slide table 101 and a second slide table 102, the first slide table 101 is slidably connected to the base 13, and the second slide table 102 slides Connected to the top surface of the first slide table 101, the grinding wheel mechanism 11 is fixed on the top surface of the second slide table 102, and one end of the first slide table 101 has an extension stretched out relative to the second slide table 102, and the second drive motor 200 is provided on the extension. That is to say, after the second drive motor 200 drives the eccentric assembly 300, the connecting rod 400 drives the second sliding table 102 to move back and forth on the first sliding table 101, and then the grinding wheel mechanism 11 on the second sliding table 102 moves along the first direction. Move back and forth so that the tool can be ground.

In one embodiment, the first sliding table 101 is slidingly connected to the base 13 through the first sliding rail 120, and the second sliding table 102 is slidingly connected to the first sliding table 101 through the second sliding rail 140, that is, the first sliding table 101 Including the first slide board 110 and the first slide rail 120 arranged between the first slide board 110 and the base 13, the second slide table 102 includes the second slide board 130 and the first slide rail 120 arranged between the second slide board 130 and the first slide board 110 The second slide rail 140 . Two first slide rails 120 may be spaced between the first slide plate 110 and the base 13 , and two second slide rails 140 may be spaced between the second slide plate 130 and the first slide plate 110 .

As shown in Figure 2 and Figures 7-9, the first slide rail 120 and the second slide rail 140 both include a first slide bar 141 and a second slide bar 142 arranged at intervals, and are arranged on the first slide bar 141 and the second slide bar 141. The cage 144 in the middle of the bar 142 and a plurality of rolling columns 145 installed between the first sliding bar 141 and the second sliding bar 142, the rolling columns 145 can slide along the length direction of the sliding bar relative to the two sliding bars, the first sliding bar 141 and the second sliding bar 142 can slide relative to each other. The ends of the two slide rails have stoppers that prevent the cage 144 from slipping out. When the two slide rails slide relative to each other, the cage 144 and the rolling column 145 slide together.

Specifically, the opposite sides of the first sliding bar 141 and the second sliding bar 142 are respectively provided with V-shaped grooves 143, and the angle between the two groove walls of each V-shaped groove 143 is 90 degrees, and the V-shaped grooves 143 on both sides They together form accommodating grooves for accommodating multiple rolling columns 145. The cage 144 is provided with a plurality of rectangular holes 146 at equal intervals along the length direction. The rolling columns 145 pass through the rectangular holes 146. The two axial ends of the rolling columns 145 are Adhere to the groove walls of the V-shaped grooves 143 on both sides, and the angle between the axial directions of two adjacent rolling columns 145 is 90 degrees. The rolling column 145 is in the shape of a cylinder as a whole, and the edges of the axial two ends have a C angle, so that the upper and lower ends of the rolling column 145 respectively form a mating surface 147 parallel to the hole wall of the rectangular hole 146, and the axial direction of each rolling column 145 is in line with that of the rectangular hole 146. The included angle of the cage 144 is 45 degrees, which can ensure the stability of the rolling column 145 when sliding. The structure of the double slide rails combined with the V-shaped groove 143 and the rolling column 145 can realize high-precision sliding, and each component can be made of stainless steel to meet the requirements for rigidity.

In one embodiment, as shown in FIGS. 1-3 , a box body 500 is provided on the extension section of the first slide table 101 . The box body 500 is hollow and opened on one side facing the second slide table 102 . The drive motor 200 is installed and fixed on the box body 500, the output shaft 210 of the second drive motor 200 is parallel to the vertical direction and extends into the box body 500 from the top surface of the box body 500, and the eccentric assembly 300 is housed in the box body 500 Among them, one end of the connecting rod 400 extends into the box body 500 to connect with the eccentric assembly 300 .

Specifically, a mounting frame 510 may also be provided in the box body 500, and the second drive motor 200 is fixed to the mounting frame 510 after passing through the top plate of the box body 500, and the output shaft 210 is connected to the eccentric assembly 300 after passing through the mounting frame 510. Two sides of the frame 510 can be connected to two opposite inner walls of the box body 500 by screws.

In one embodiment, as shown in FIGS. 3-6 , the eccentric assembly 300 includes a guide 310 and a slider 320 , the guide 310 is connected to the output shaft 210 of the second driving motor 200 , and the slider 320 is slidably disposed on the guide 310 Above, one end of the slider 320 is connected with the connecting rod 400, and when the second drive motor 200 drives the guide 310 to rotate, the slider 320 slides back and forth on the guide 310, so that the slider 320 drives the connecting rod 400 to swing back and forth, and then the connecting rod 400 drives the slide table 100 to slide back and forth on the base 13 .

In one embodiment, the connecting rod 400 includes a first rod end joint bearing 410, a second rod end joint bearing 420 and a connecting rod 430, and the first rod end joint bearing 410 and the second rod end joint bearing 420 are connected by a connecting rod 430 connection, one end of the first rod end joint bearing 410 is movably connected to the slide table 100 , and one end of the second rod end joint bearing 420 is movably connected to the slider 320 . The top surface of the second sliding table 102 is provided with a mounting block 131, and the mounting block 131 is provided with a mounting groove 132. The mounting block 131 is fixed on the top surface of the second sliding table 102 by a fastener 133 and a spherical sliding bearing 134, and the first rod One end of the end joint bearing 410 is sheathed on the spherical sliding bearing 134 , and the first rod end joint bearing 410 is rotatable relative to the spherical sliding bearing 134 , so that the connecting rod 400 and the second sliding table 102 are flexibly connected. When the end of the connecting rod 400 away from the second sliding table 102 swings, it can drive the second sliding table 102 to slide back and forth on the first sliding table 101 , and then drive the grinding wheel mechanism 11 on the second sliding table 102 to slide back and forth.

In one embodiment, the bottom surface of the guide 310 has an opening, and the guide 310 is provided with a chute 311 communicating with the opening. The slider 320 includes an embedding portion 321 whose shape is adapted to the chute 311 and is connected to the embedding portion. The connecting part 322 at the bottom of 321, the embedded part 321 can slide back and forth in the chute 311, the connecting part 322 is located on the bottom surface of the guide 310, and one end of the second rod end joint bearing 420 is movably embedded with a spherical sliding bearing 330, the spherical sliding The top of the bearing 330 is provided with a connecting column 331 , and the connecting part 322 is connected and fixed to the connecting column 331 through the opening. One end of the spherical sliding bearing 330 is connected to the limiting block 332 , and the connecting column 331 is covered with a spacer 333 to prevent the spherical sliding bearing 330 from falling off from the second rod end joint bearing 420 .

Specifically, the top surface of the guide member 310 can be provided with a protruding shaft 312, and the protruding shaft 312 is axially provided with a shaft hole adapted to the output shaft 210 of the second drive motor 200, and a keyway is formed on the wall of the shaft hole, and the output shaft 210 passes through The key 220 and the keyway are fitted in the shaft hole to realize the connection between the output shaft 210 and the protruding shaft 312. The second drive motor 200 drives the guide 310 to rotate through the protruding shaft 312, and then the slider 320 slides back and forth in the guide 310 .

In one embodiment, as shown in FIG. 4 and FIG. 6 , the chute 311 is a dovetail groove, and the longitudinal section of the embedded portion 321 is dovetail-shaped. An adjustment block 313 can be provided in the dovetail groove of the guide 310, and the shape of the adjustment block 313 is adapted to the slider 320. The longitudinal section of the adjustment block 313 is a parallelogram, which includes two parallel top surfaces and bottom surfaces, and two parallel inclined surfaces. Its slope is parallel to the slope of the embedding part 321 of the slider 320, and its bottom surface is in contact with the connecting part 322 of the slider 320; a top screw (not shown) can be screwed on the side wall of the guide 310, through which the top The wire is screwed into the dovetail groove, so that an inclined surface of the adjusting block 313 gradually leans against the inclined surface of the embedded part 321, so that the smoothness of sliding of the slider 320 in the dovetail groove can be ensured by screwing in and out of the top screw.

Further, one side of the guide 310 is open, and a side plate 314 is detachably connected to the opening, and the side plate 314 is screwed with an adjusting screw (not shown), and one end of the adjusting screw can extend into the chute 311 to connect with the slider 320 offset each other to realize the adjustment of the maximum stroke of the slider 320 moving in the chute 311 . When it is necessary to reduce the swing range of the grinding wheel mechanism 11, the adjusting screw is screwed in to reduce the maximum stroke of the slider 320 in the chute 311, and the swing range of the connecting rod 400 is reduced, so that the connecting rod 400 drives the second slide The maximum moving distance of the table 102 is reduced, so as to achieve the purpose of reducing the swing amplitude of the grinding wheel mechanism 11, and its adjustment operation is simple.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A rocking device installed on a grinding device, the grinding device includes a workbench, a clamping mechanism and a grinding wheel mechanism arranged on the workbench for clamping a tool, characterized in that: Rocking device includes: The base is slidably provided with a sliding table, and the sliding table is used to install and fix the grinding wheel mechanism; a first drive motor connected to the slide table and used to drive the slide table to move to a predetermined position; A slider crank mechanism, including a second drive motor, an eccentric assembly connected to the output shaft of the second drive motor, and a connecting rod connected to the eccentric assembly; Wherein, one end of the connecting rod is movably connected with the sliding table, and the second driving motor drives the connecting rod to swing back and forth through the eccentric assembly, so that the connecting rod drives the sliding table on the base Slide back and forth to drive the grinding wheel mechanism to move back and forth, thereby realizing the back and forth grinding of the tool. 2. The swing device according to claim 1, characterized in that: the slide table comprises a first slide table slidably connected to the base and a second slide table slidably connected to the top surface of the first slide table platform, the grinding wheel mechanism is fixed on the top surface of the second sliding platform, one end of the first sliding platform has an extension section protruding relative to the second sliding platform, and the second driving motor is arranged on the above the extension. 3. The rocking device according to claim 2, wherein the first sliding table is slidably connected to the base through a first sliding rail, and the second sliding table is connected to the first sliding table through a second sliding rail. A slide table is slidably connected, and the first slide rail and the second slide rail both include a first slide bar and a second slide bar arranged at intervals, and a retaining bar arranged in the middle of the first slide bar and the second slide bar A frame and a plurality of rolling columns installed between the first slide bar and the second slide bar, the first slide bar and the second slide bar can slide relative to each other. 4. The swing device according to claim 3, characterized in that: V-shaped grooves are formed on opposite sides of the first sliding bar and the second sliding bar, and the V-shaped grooves on both sides jointly form a Accommodating grooves for a plurality of rolling columns, the cage is provided with a plurality of rectangular holes at equal intervals along the length direction, the rolling columns pass through the rectangular holes, and the two axial sides of the rolling columns The end surfaces are in contact with the groove walls of the V-shaped grooves on both sides respectively, and the angle between the axial directions of two adjacent rolling columns is 90 degrees. 5. The swing device according to claim 2, characterized in that: the extension section is provided with a hollow box, the box is opened on one side facing the second slide table, and the second driving motor It is installed on the box body and its output shaft extends out of the box body, the eccentric assembly is accommodated in the box body, and one end of the connecting rod extends into the box body to connect with the eccentric assembly. 6. The rocking device according to any one of claims 1-5, characterized in that: the eccentric assembly includes a guide piece connected to the output shaft of the second drive motor, a guide piece slidably arranged on the guide piece a slider, the slider is connected to the connecting rod, and when the second drive motor drives the guide to rotate, the slider slides back and forth on the guide, so that the slider drives the connecting rod Swing back and forth, and then make the connecting rod drive the slide table to slide back and forth on the base. 7. The rocking device according to claim 6, wherein the connecting rod comprises a first rod end joint bearing, a second rod end joint bearing and a connecting rod, and the first rod end joint bearing and the second rod end The end joint bearing is connected through the connecting rod, one end of the first rod end joint bearing is movably connected to the slide table, and one end of the second rod end joint bearing is movably connected to the slider. 8. The swing device according to claim 7, characterized in that: the bottom surface of the guide has an opening, the guide is provided with a chute communicating with the opening, and the slider includes a shape adapted to The embedding part of the chute and the connecting part connected to the bottom of the embedding part, the embedding part can slide back and forth in the chute, one end of the second rod end joint bearing is movably embedded with A spherical sliding bearing, the top of the spherical sliding bearing is provided with a connecting column, and the connecting part passes through the opening and is connected and fixed to the connecting column. 9. The swing device according to claim 8, wherein the chute is a dovetail groove, and the longitudinal section of the embedded part is dovetail-shaped. 10. The swing device according to claim 8, characterized in that: one side of the guide is screwed with an adjusting screw, and one end of the adjusting screw can extend into the chute and abut against the slider , so as to realize the adjustment of the maximum stroke of the slider moving in the chute.