Double stand fixture device

Abstract

The utility model relates to clamping device technical field, including double -column vehicle body, the middle position of double -column vehicle body lower portion is equipped with work piece support seat, and the center position of work piece support seat upper end part is equipped with the scrap collecting groove, and the scrap collecting groove is lifted in the vertical direction and has work piece lifting seat, and the upper end part of work piece support seat is equipped with three work piece clamping seat around scrap collecting groove and stretches out and contracts along the radial direction, and every work piece clamping seat is driven to slide through radial feed structure, and the upper end part of work piece support seat is fixedly connected with the protective casing of covering three radial feed structures, the utility model discloses solved the clamping structure complex of double -column vehicle clamp among traditional technology, when processing and handling to work piece, scrap is easy to adhere on clamping structure, along with time, lead to the stability of clamping structure operation is affected, and then the problem of work piece's clamping efficiency is affected.

Description

Technical Field

[0001] This utility model relates to the field of clamping device technology, specifically to a double vertical car clamping device. Background Technology

[0002] Vertical lathes are generally classified into single-column and double-column types. Small vertical lathes are typically single-column, while large vertical lathes are double-column. The main structural feature of a vertical lathe is that its spindle is in a vertical position. The main characteristics of a vertical lathe are: the worktable is in a horizontal plane, making workpiece installation and adjustment convenient. The worktable is supported by guide rails, providing good rigidity and smooth cutting. Vertical lathes are large mechanical devices used for machining large and heavy workpieces with large radial dimensions and relatively small axial dimensions, and complex shapes. Examples include cylindrical surfaces, end faces, conical surfaces, cylindrical holes, and conical holes on various discs, wheels, and sleeves. With the aid of additional devices, they can also perform thread cutting, spherical machining, contouring, milling, and grinding. However, existing vertical lathes are prone to workpiece loosening during clamping, leading to lower workpiece machining accuracy.

[0003] A prior art patent with publication number CN206794767U discloses a solution including a gantry frame, a second slide on one side of the gantry frame, a first slide on the side of the second slide away from the gantry frame, a tool holder at the bottom of the first slide, and a clamping platform between the gantry frames. The top of the clamping platform has a sliding groove, and a first slider is placed in the sliding groove. This utility model has a simple structure. The workpiece is placed on the clamping platform, and by rotating the pry bar, the rotating wheel can be easily rotated using the lever principle, saving physical effort. The rotating wheel drives a fourth bevel gear through a second rotating shaft. The fourth bevel gear meshes with the second bevel gear, driving the second bevel gear to rotate. The second bevel gear drives a third bevel gear through the first rotating shaft, and the third bevel gear meshes with the first bevel gear, driving the third rotating shaft to rotate. The third rotating shaft is wound with a connecting wire, causing the three first sliders to move closer together and clamp the workpiece. Then, rotating the screw causes the second slider to further clamp the workpiece, preventing it from loosening.

[0004] As existing devices are used, the shortcomings of this technology have gradually become apparent, mainly in the following aspects:

[0005] First, the existing double vertical lathe fixture has a complex clamping structure. When processing the workpiece, debris easily adheres to the clamping structure. Over time, this affects the stability of the clamping structure and consequently the clamping efficiency of the workpiece.

[0006] Secondly, the existing double vertical lathes tend to scatter debris around the fixture during workpiece processing, increasing the difficulty of cleaning the debris and affecting the maintenance efficiency of the double vertical lathes.

[0007] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model provides a double vertical lathe clamping device to solve the problem that the clamping structure of traditional double vertical lathe clamps is complex, and that debris easily adheres to the clamping structure during workpiece processing, which over time affects the stability of the clamping structure and consequently the clamping efficiency of the workpiece.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A double vertical lathe clamping device includes a double vertical lathe body. A workpiece support seat is fixedly provided at the middle position of the lower part of the double vertical lathe body. A chip collection groove is provided at the center position of the upper end of the workpiece support seat. A workpiece lifting seat is vertically raised and lowered in the chip collection groove. Three radially telescopic workpiece clamping seats are provided around the chip collection groove at the upper end of the workpiece support seat. Each workpiece clamping seat is driven to slide by a radial feed structure. A protective cover covering the three radial feed structures is fixedly connected to the upper end of the workpiece support seat.

[0011] As an optimized solution, the three radial feed structures are driven synchronously through a linkage structure.

[0012] As an optimized solution, the radial feed structure includes a drive seat that slides radially, a workpiece clamping seat that is fixed to the outer end of the drive seat, and a V-shaped positioning groove that is formed on the end of the workpiece clamping seat.

[0013] As an optimized solution, the upper end of the workpiece support is radially fixed with a slide rail corresponding to each of the drive seats, and the lower end of the drive seat is fixed with a slide block slidably mounted on the slide rail.

[0014] As an optimized solution, the workpiece support is provided with a drive shaft that rotates horizontally, one end of the drive shaft is provided with an external thread section, and the inner end of the drive seat is provided with a threaded groove that matches the external thread section.

[0015] As an optimized solution, a base body is fixedly connected to the upper end of the workpiece support, and the drive shaft is rotatably mounted on the base body.

[0016] As an optimized solution, the linkage structure includes an installation chamber located below the debris collection trough. A drive gear is horizontally rotatably mounted in the installation chamber. Three meshing driven gears are correspondingly arranged around the side of the drive gear. Each driven gear is fixedly connected to a vertical shaft. The upper end of the vertical shaft extends into the protective cover and is fixedly connected to a drive bevel gear. The other end of the drive shaft is fixedly connected to a driven bevel gear that meshes with the drive bevel gear.

[0017] As an optimized solution, a drive motor is fixedly connected to the lower end of the workpiece support, and the output shaft of the drive motor is fixedly connected to the center position of the drive gear.

[0018] As an optimized solution, the inner end face of the protective cover is provided with a clearance hole to avoid the drive seat.

[0019] As an optimized solution, a baffle plate is horizontally fixed to the upper end of the drive seat, and the other end of the baffle plate extends into the protective cover.

[0020] As an optimized solution, the top of the protective cover is surrounded by a guide seat, and the guide seat has a guide slope that gradually narrows from top to bottom.

[0021] As an optimized solution, a lifting cylinder is vertically fixed to the bottom of the debris collection trough, and the telescopic end of the lifting cylinder is fixed to the lower surface of the workpiece lifting seat.

[0022] As an optimized solution, the workpiece support base has an inclined downward unloading channel in the area between two vertical axes, and the inlet end of the unloading channel is connected to the debris collection trough.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] By setting a protective cover at the upper end of the workpiece support, the power structure that drives the workpiece clamping seat to move can be protected. This can effectively prevent debris from entering the power structure, overcome the influence of debris on the power structure, and ensure the clamping efficiency of the workpiece.

[0025] A baffle plate is horizontally fixed to the upper end of the drive seat, and the other end of the baffle plate extends into the protective cover. When the drive seat feeds outward, the edge of the baffle plate rubs against the clearance hole, which can scrape off the debris that falls onto the baffle plate. The baffle plate can prevent debris from entering the protective cover, further effectively preventing debris from entering the power structure, overcoming the influence of debris on the power structure, and ensuring the clamping efficiency of the workpiece.

[0026] The linkage structure allows for the synchronous driving of three workpiece clamping seats, ensuring the synchronicity of the three chucks in clamping the workpiece.

[0027] The guide ramp of the protective cover guides the falling debris into the debris collection trough, and then discharges it to the outside through the unloading channel, which facilitates the cleaning of debris and reduces labor intensity. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0029] Figure 1 This is a schematic diagram of the structure of this utility model;

[0030] Figure 2 This is a schematic diagram of the unloading channel of this utility model;

[0031] Figure 3 This is a schematic diagram of the workpiece clamping seat of this utility model;

[0032] Figure 4 This is a schematic diagram of the workpiece support base of this utility model.

[0033] In the diagram: 1-Double vertical carriage body; 2-Workpiece support seat; 3-Scrap collection trough; 4-Workpiece lifting seat; 5-Lifting cylinder; 6-Driving gear; 7-Driven gear; 8-Vertical shaft; 9-Driving bevel gear; 10-Driven bevel gear; 11-Protective cover; 12-Drive seat; 13-Workpiece clamping seat; 14-Drive shaft; 15-Baffle plate; 16-Unloading channel; 17-Positioning groove; 18-Slide rail; 19-Slide seat. Detailed Implementation

[0034] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0035] like Figures 1 to 4 As shown, the double vertical lathe clamping device includes a double vertical lathe body 1. A workpiece support seat 2 is fixedly provided at the middle position of the lower part of the double vertical lathe body 1. A chip collection groove 3 is provided at the center position of the upper end of the workpiece support seat 2. A workpiece lifting seat 4 is vertically raised and lowered in the chip collection groove 3. Three radially telescopic workpiece clamping seats 13 are provided around the chip collection groove 3 at the upper end of the workpiece support seat 2. Each workpiece clamping seat 13 is driven to slide by a radial feed structure. A protective cover 11 covering the three radial feed structures is fixedly connected to the upper end of the workpiece support seat 2.

[0036] The three radial feed structures are driven synchronously through a linkage structure.

[0037] The radial feed structure includes a drive seat 12 that slides radially, a workpiece clamping seat 13 that is fixed to the outer end of the drive seat 12, and a positioning groove 17 that is V-shaped is provided on the end of the workpiece clamping seat 13.

[0038] The upper end of the workpiece support 2 is radially fixed with a slide rail 18 corresponding to each drive seat 12, and the lower end of the drive seat 12 is fixed with a slide block 19 that is slidably mounted on the slide rail 18.

[0039] The workpiece support 2 is equipped with a drive shaft 14 that rotates horizontally. One end of the drive shaft 14 is provided with an external thread section, and the inner end of the drive seat 12 is provided with a thread groove that matches the external thread section.

[0040] The upper end of the workpiece support 2 is fixedly connected to a base body, and the drive shaft 14 is rotatably mounted on the base body.

[0041] The linkage structure includes an installation chamber located below the debris collection trough 3. A drive gear 6 is horizontally rotatably installed in the installation chamber. Three meshing driven gears 7 are correspondingly arranged around the side of the drive gear 6. Each driven gear 7 is fixedly connected to a vertical shaft 8. The upper end of the vertical shaft 8 extends into the protective cover 11 and is fixedly connected to a drive bevel gear 9. The other end of the drive shaft 14 is fixedly connected to a driven bevel gear 10 that meshes with the drive bevel gear 9.

[0042] A drive motor is fixedly connected to the lower end of the workpiece support 2, and the output shaft of the drive motor is fixedly connected to the center position of the drive gear 6.

[0043] The inner end face of the protective cover 11 is provided with a clearance hole for the clearance drive seat 12.

[0044] A baffle plate 15 is horizontally fixed to the upper end of the drive seat 12, and the other end of the baffle plate 15 extends into the protective cover 11.

[0045] The top of the protective cover 11 is surrounded by a guide seat, and the guide seat has a guide slope that is gradually reduced from top to bottom.

[0046] A lifting cylinder 5 is vertically fixed to the bottom of the debris collection trough 3, and the telescopic end of the lifting cylinder 5 is fixed to the lower surface of the workpiece lifting seat 4.

[0047] The workpiece support 2 is located in the area between two vertical axes 8 and has an inclined downward unloading channel 16. The inlet end of the unloading channel 16 is connected to the debris collection tank 3.

[0048] The working principle of this device is as follows:

[0049] By providing a protective cover 11 at the upper end of the workpiece support 2, the power structure that drives the workpiece clamping seat 13 to move can be protected by the protective cover 11. This can effectively prevent debris from entering the power structure, overcome the influence of debris on the power structure, and ensure the clamping efficiency of the workpiece.

[0050] A baffle plate 15 is horizontally fixed to the upper end of the drive seat 12, and the other end of the baffle plate 15 extends into the protective cover 11. When the drive seat 12 feeds outward, the edge of the baffle plate 15 rubs against the clearance hole, which can scrape off the debris that falls on the baffle plate 15. The baffle plate 15 can prevent debris from entering the protective cover 11, and further effectively prevent debris from entering the power structure, overcome the influence of debris on the power structure, and ensure the clamping efficiency of the workpiece.

[0051] The linkage structure enables the three workpiece clamping seats 13 to work synchronously, ensuring the synchronicity of the three clamps in clamping the workpiece.

[0052] The guide slope of the protective cover 11 guides the falling debris into the debris collection tank 3, and discharges it to the outside through the unloading channel 16, which facilitates the cleaning of debris and reduces labor intensity.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A double vertical lathe clamping device, characterized in that: The system includes a double vertical carriage body (1), a workpiece support seat (2) is fixedly provided at the middle position below the double vertical carriage body (1), a chip collection groove (3) is provided at the center position of the upper end of the workpiece support seat (2), a workpiece lifting seat (4) is vertically raised and lowered in the chip collection groove (3), and three radially telescopic workpiece clamping seats (13) are provided around the chip collection groove (3) at the upper end of the workpiece support seat (2). Each workpiece clamping seat (13) is driven to slide by a radial feed structure. A protective cover (11) covering the three radial feed structures is fixedly connected to the upper end of the workpiece support seat (2). The three radial feed structures are driven to work synchronously through a linkage structure.

2. The double vertical lathe clamping device according to claim 1, characterized in that: The radial feed structure includes a drive seat (12) that slides radially, and a workpiece clamping seat (13) that is fixed to the outer end of the drive seat (12). A positioning groove (17) in a V-shape is provided on the end of the workpiece clamping seat (13).

3. The double vertical lathe clamping device according to claim 2, characterized in that: The upper end of the workpiece support (2) is radially fixed with a slide rail (18) corresponding to each of the drive seats (12), and the lower end of the drive seat (12) is fixed with a slide block (19) slidably mounted on the slide rail (18).

4. The double vertical lathe clamping device according to claim 3, characterized in that: The workpiece support base (2) is provided with a drive shaft (14) that rotates horizontally. One end of the drive shaft (14) is provided with an external thread section. The inner end of the drive base (12) is provided with a thread groove that matches the external thread section. The upper end of the workpiece support base (2) is fixedly connected to a seat body. The drive shaft (14) is rotatably mounted on the seat body.

5. The double vertical lathe clamping device according to claim 4, characterized in that: The linkage structure includes an installation chamber located below the debris collection trough (3). A drive gear (6) is horizontally rotatably installed in the installation chamber. Three meshing driven gears (7) are correspondingly arranged around the side of the drive gear (6). Each driven gear (7) is fixedly connected to a vertical shaft (8). The upper end of the vertical shaft (8) extends into the protective cover (11) and is fixedly connected to a drive bevel gear (9). The other end of the drive shaft (14) is fixedly connected to a driven bevel gear (10) that meshes with the drive bevel gear (9).

6. The double vertical lathe clamping device according to claim 5, characterized in that: The lower end of the workpiece support (2) is fixedly connected to a drive motor, and the output shaft of the drive motor is fixedly connected to the center position of the drive gear (6).

7. The double vertical lathe clamping device according to claim 6, characterized in that: The inner end face of the protective cover (11) is provided with a clearance hole to avoid the drive seat (12). The upper end of the drive seat (12) is horizontally fixed with a baffle plate (15), and the other end of the baffle plate (15) extends into the protective cover (11).

8. The double vertical lathe clamping device according to claim 7, characterized in that: The top of the protective cover (11) is surrounded by a guide seat, and the guide seat has a guide slope that is gradually reduced from top to bottom.

9. The double vertical lathe clamping device according to claim 8, characterized in that: A lifting cylinder (5) is vertically fixed to the bottom of the debris collection trough (3), and the telescopic end of the lifting cylinder (5) is fixed to the lower surface of the workpiece lifting seat (4).

10. The double vertical lathe clamping device according to claim 9, characterized in that: The workpiece support (2) has an inclined downward unloading channel (16) in the area between two vertical axes (8), and the inlet end of the unloading channel (16) is connected to the debris collection trough (3).

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