Workpiece clamping device of middle driving double-end lathe
By designing an adjustable workpiece clamping device on an intermediate drive double-head lathe, the expansion and rotation of the clamping plate driven by cylinders and motors, combined with the displacement of the screws and clamping blocks, the single-size workpiece clamp in the prior art is solved. The lack of holding and processing orientation adjustment has achieved efficient clamping and flexible processing of workpieces of different sizes.
Patent Information
- Application Number
- CN202420937156.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing intermediate drive double-head lathe workpiece clamping device can only clamp workpieces of a single size, and cannot be fully processed, and the clamping effect is single, so it cannot meet the needs of different sizes and processing directions.
A workpiece clamping device including a support plate, a cylinder box, a cylinder, a push rod, a motor, a clamping plate, a screw and a clamping block is designed. The clamping plate is telescopic and retracted by a cylinder drive, and the clamping plate is rotated by a motor drive, and the clamping plate is rotated by a screw. and the displacement of the clamping blocks enables the clamping and machining orientation adjustment of workpieces of different sizes.
It realizes efficient clamping and machining orientation adjustment of workpieces of different sizes, improves clamping effect and processing flexibility, adapts to the processing needs of various workpieces, and reduces safety hazards.
Smart Images
Figure CN222327450U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of double-head lathes, in particular to a workpiece clamping device for an intermediate drive double-head lathe. Background Art
[0002] The intermediate drive double-head lathe is widely used for simultaneous processing of the inner and outer diameters of the mandrel and the ends of the pipe. It can process high-precision workpieces within a few seconds within its processing capacity.
[0003] In the prior art, Chinese patent publication number CN215035719U discloses a workpiece clamping device for an intermediate drive double-head lathe, which belongs to the field of mechanical processing technology. The clamping device includes: a positioning mechanism and a clamping mechanism; the positioning mechanism includes: a tooling base plate, a left support ring and a right support ring; the tooling base plate is fixed on the machine tool spindle, and the left support ring and the right support ring are respectively fixed on the two ends of the tooling base plate; the arc surfaces at both ends of the workpiece are respectively tightly attached to the arc surfaces of the left support ring and the right support ring, and the clamping mechanism includes: a movable block, a fixed block, a clamping strip and a counterweight block. In the utility model, the tooling base plate is fixed on the rotating spindle of the double-head lathe, and the workpiece profile is used for positioning so that the center axis of the workpiece coincides with the rotation center of the machine tool spindle, and then the movable block and the fixed block are used to clamp the workpiece, and the counterweight block is configured at the same time to achieve dynamic balance of the workpiece clamping device during the processing, thereby achieving accurate, safe and reliable positioning and clamping of the workpiece, ensuring the processing accuracy of parts, and greatly improving production efficiency.
[0004] Although the above patent can achieve a balanced effect on the workpiece during the clamping process, the workpiece is installed inside the clamping mechanism and is in a fixed state. Therefore, the workpiece can only be processed in a single position and cannot be processed in all directions. At the same time, the above patent can only clamp workpieces of the same size, and the clamping effect is single, so it needs to be improved. Utility Model Content
[0005] The utility model aims to provide a workpiece clamping device for an intermediate drive double-head lathe, which has the effect of being able to adjust the orientation of the workpiece during the clamping process.
[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a workpiece clamping device for an intermediate drive double-head lathe, comprising a supporting plate and a bottom plate, both sides of the top of the supporting plate are fixedly connected with a cylinder box, a cylinder is arranged inside the cylinder box, a push rod is arranged at the output end of the cylinder, one end of the push rod is fixedly connected with a moving plate, a motor is fixedly installed outside the moving plate, a rotating disk is fixedly connected at the output end of the motor, a clamping plate is fixedly connected to the outer side of the rotating disk, a screw is threadedly connected to the internal thread of the clamping plate, a clamping block is arranged at one end of the screw, a bearing is fixedly installed at the center of one side of the clamping block, the screw is rotatably connected to the inside of the bearing, a groove is provided inside the clamping block, an anti-slip protrusion is fixedly connected inside the groove, and anti-slip patterns are provided outside the anti-slip protrusion.
[0007] By adopting the above technical solution, the cylinder is started, so that the cylinder drives the push rod to drive the moving plate to move, and the two clamping plates are extended and retracted by the drive of the cylinder. The two clamping plates are displaced toward the center of the support plate, and the workpiece is placed inside the two clamping plates, so that the staff can adjust the position of the two clamping plates according to the size of the workpiece to achieve the effect of clamping different workpieces, and then twist the screw rod to make the screw rod drive the clamping block to move. Two clamping blocks are arranged inside each clamping plate, and the displacement of the two clamping blocks can clamp the two ends of the workpiece. Thereby, the two ends of the workpiece can be fixed inside the two clamping plates, and the screw is rotatably connected to the inside of the clamping plates through the bearing, so that the clamping plates are displaced without rotating. When the processing orientation of the workpiece needs to be changed, the motor is started to drive the rotating disk and the clamping plates to rotate, so that the orientation of the workpiece inside the clamping plates can be adjusted. As a result, the device can not only clamp the workpiece with excellent clamping effect, but also clamp workpieces of different sizes and adjust the workpiece according to the processing orientation of the workpiece, which is extremely practical.
[0008] The utility model is further configured as follows: the number of the clamping blocks is four, and the four clamping blocks form a group of two.
[0009] By adopting the above technical solution, every two clamping blocks are arranged inside each clamping plate, and each clamping plate has two clamping blocks inside, thereby being able to clamp the workpiece.
[0010] The utility model is further configured as follows: the other end of the screw is fixedly connected with a handle, and the outside of the handle is fixedly connected with a sheath.
[0011] By adopting the above technical solution, it is more convenient to rotate the screw by holding the handle.
[0012] The utility model is further configured as follows: a slide rail is fixedly connected to the top of the support plate, and sliding blocks are fixedly connected to both sides of the bottom of the movable plate.
[0013] By adopting the above technical solution, when the cylinder drives the movable plate to move, the slider at the bottom of the movable plate will slide inside the slide rail, thereby improving the stability of the movable plate during movement.
[0014] The utility model is further configured as follows: a notch is provided at the bottom of the support plate, and a connecting shaft is rotatably and fixedly connected inside the notch.
[0015] By adopting the above technical solution, the connecting shaft extends to the inside of the support plate through the notch, and the connecting shaft is fixed inside the support plate.
[0016] The utility model is further configured as follows: the top of the bottom plate is fixedly connected to a limiting block, and the connecting shaft is inserted into the inside of the limiting block.
[0017] By adopting the above technical solution, the base plate is fixed inside the lathe, a socket compatible with the connecting shaft is opened inside the limit block, and the connecting shaft is inserted into the limit block. The staff pulls the support plate to make the connecting shaft slide inside the limit block, and then the support plate can be pulled to the outside of the lathe to clamp the workpiece outside the lathe, reducing safety hazards.
[0018] The utility model is further configured as follows: positioning plates are overlapped on the outer sides of the support plate and the bottom plate, and positioning rods are connected to the inner threads of the positioning plates.
[0019] By adopting the above technical solution, when the support plate is fixed above the base plate, the positioning plate is overlapped to the outside of the support plate and the base plate, and the positioning rod is threadedly connected to the inside of the positioning plate, so that the positioning rod extends to the inside of the support plate and the base plate, thereby fixing the support plate above the base plate.
[0020] The utility model is further configured as follows: both sides of the bottom of the support plate are fixedly connected with pulley frames, and the interior of the pulley frames is rotatably connected with pulleys.
[0021] By adopting the above technical solution, when the support plate moves, the pulley supports both sides of the bottom of the support plate to ensure movement stability.
[0022] The utility model is further configured as follows: the number of the pulleys is two, and the two pulleys are distributed on the left and right sides of the bottom of the support plate.
[0023] By adopting the above technical solution, the two pulleys are rotatably connected inside the pulley frame, and when the support plate moves, the pulleys can move above the bottom plate.
[0024] The utility model is further configured as follows: a heat dissipation hole is provided on the outside of the cylinder box, and a filter is fixedly connected to the inside of the heat dissipation hole.
[0025] By adopting the above technical solution, the heat dissipation holes discharge heat from the interior of the cylinder box, and the filter screen prevents turning debris from entering the interior of the cylinder box.
[0026] The beneficial effects of the utility model are:
[0027] 1. The utility model starts the cylinder through the arrangement among the support plate, the cylinder box, the cylinder, the push rod, the movable plate, the motor, the rotating disk, the clamping plate, the screw rod, the clamping block, the bearing and the anti-slip protrusion, so that the cylinder drives the push rod to drive the movable plate to move, the two clamping plates are extended and retracted by the drive of the cylinder, the two clamping plates are moved toward the center of the support plate, and the workpiece is placed inside the two clamping plates, so that the staff can adjust the position of the two clamping plates according to the size of the workpiece to achieve the effect of clamping different workpieces, and then twist the screw rod so that the screw rod drives the clamping block to move, and two clamping blocks are arranged inside each clamping plate. The two ends of the workpiece can be clamped through the displacement of the two clamping blocks, so that the two ends of the workpiece can be fixed inside the two clamping plates, and the screw is rotatably connected to the inside of the clamping plates through the bearing, so that the clamping plates are displaced without rotating. When the processing orientation of the workpiece needs to be changed, the motor is started to drive the rotating disk and the clamping plate to rotate, so that the orientation of the workpiece inside the clamping plate can be adjusted, so that the device can not only clamp the workpiece with excellent clamping effect, but also can clamp workpieces of different sizes and adjust the workpiece according to the processing orientation of the workpiece, which is extremely practical.
[0028] 2. The utility model fixes the base plate to the inside of the lathe through the arrangement between the base plate, the limit block, the positioning plate, the positioning rod, the pulley frame and the pulley. A socket matched with the connecting shaft is opened inside the limit block, and the connecting shaft is inserted into the inside of the limit block. The staff pulls out the support plate so that the connecting shaft slides inside the limit block, and then the support plate can be pulled to the outside of the lathe to clamp the workpiece outside the lathe to reduce safety hazards. When the support plate is fixed above the base plate, the positioning plate is overlapped to the outside of the support plate and the base plate, and the positioning rod is threadedly connected to the inside of the positioning plate, so that the positioning rod extends to the inside of the support plate and the base plate, and then the support plate can be fixed above the base plate. When the support plate moves, the pulley supports both sides of the bottom of the support plate to ensure movement stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0030] Figure 1 It is a schematic diagram of the structure of the utility model;
[0031] Figure 2 This is a schematic diagram of the top view structure of the utility model;
[0032] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0033] Figure 4 This is a front view structural diagram of the support plate of the utility model.
[0034] In the figure, 1. support plate; 2. cylinder box; 3. cylinder; 4. push rod; 5. moving plate; 6. motor; 7. rotating disk; 8. clamping plate; 9. screw; 10. clamping block; 11. bearing; 12. anti-slip protrusion; 13. handle; 14. slide rail; 15. connecting shaft; 16. bottom plate; 17. limit block; 18. positioning plate; 19. positioning rod; 20. pulley frame; 21. pulley; 22. filter. DETAILED DESCRIPTION
[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0036] Reference Figure 1-4A workpiece clamping device for an intermediate drive double-head lathe comprises a support plate 1 and a bottom plate 16, both sides of the top of the support plate 1 are fixedly connected with a cylinder box 2, a cylinder 3 is arranged inside the cylinder box 2, a push rod 4 is arranged at the output end of the cylinder 3, a moving plate 5 is fixedly connected at one end of the push rod 4, a motor 6 is fixedly installed outside the moving plate 5, a rotating disk 7 is fixedly connected at the output end of the motor 6, a clamping plate 8 is fixedly connected to the outer side of the rotating disk 7, a screw 9 is threadedly connected to the inner part of the clamping plate 8, a clamping block 10 is arranged at one end of the screw 9, a bearing 11 is fixedly installed at the center of one side of the clamping block 10, the screw 9 is rotatably connected to the inside of the bearing 11, a groove is opened inside the clamping block 10, and an anti-slip protrusion 12 is fixedly connected to the inside of the groove, and the anti-slip protrusion The outside of 12 is provided with anti-slip grooves, and the cylinder 3 is started, so that the cylinder 3 drives the push rod 4 to drive the moving plate 5 to move. The two clamping plates 8 are extended and retracted by the drive of the cylinder 3, and the two clamping plates 8 are moved toward the center of the support plate 1, and the workpiece is placed inside the two clamping plates 8, so that the staff can adjust the position of the two clamping plates 8 according to the size of the workpiece to achieve the effect of clamping different workpieces, and then twist the screw 9, so that the screw 9 drives the clamping block 10 to move. Two clamping blocks 10 are arranged inside each clamping plate 8. The displacement of the two clamping blocks 10 can clamp the two ends of the workpiece, so that the two ends of the workpiece can be fixed inside the two clamping plates 8, and the screw 9 is rotatably connected through the bearing 11 Inside the clamping plate 8, the clamping plate 8 is displaced without rotating. When the processing orientation of the workpiece needs to be changed, the motor 6 is started, so that the motor 6 drives the rotating disk 7 and the clamping plate 8 to rotate, so that the orientation of the workpiece inside the clamping plate 8 can be adjusted, so that the device can not only clamp the workpiece, but also has an excellent clamping effect. At the same time, it can also clamp workpieces of different sizes and adjust the workpiece according to the processing orientation of the workpiece. It is very practical. There are four clamping blocks 10, and the four clamping blocks 10 are grouped in pairs. Every two clamping blocks 10 are arranged inside each clamping plate 8. There are two clamping blocks 10 inside each clamping plate 8, so that the workpiece can be clamped. The other end of the screw 9 is fixed A handle 13 is connected, and a sheath is fixedly connected to the outside of the handle 13. It is convenient to hold the handle 13 and turn the screw 9. The top of the support plate 1 is fixedly connected to a slide rail 14, and both sides of the bottom of the movable plate 5 are fixedly connected to sliders. When the cylinder 3 drives the movable plate 5 to move, the slider at the bottom of the movable plate 5 will slide inside the slide rail 14, thereby improving the stability of the movable plate 5 during movement. A notch is provided at the bottom of the support plate 1, and a connecting shaft 15 is rotatably and fixedly connected inside the notch. The connecting shaft 15 extends to the inside of the support plate 1 through the notch, and the connecting shaft 15 is fixed inside the support plate 1. The top of the bottom plate 16 is fixedly connected to a limiting block 17, and the connecting shaft 15 is inserted into the inside of the limiting block 17 to fix the bottom plate 16 inside the lathe.The interior of the limit block 17 is provided with a socket that is compatible with the connecting shaft 15, and the connecting shaft 15 is inserted into the interior of the limit block 17. The staff pulls the support plate 1 so that the connecting shaft 15 slides inside the limit block 17, and then the support plate 1 can be pulled to the outside of the lathe to clamp the workpiece outside the lathe to reduce safety hazards. The outer sides of the support plate 1 and the bottom plate 16 are overlapped with positioning plates 18, and the internal threads of the positioning plates 18 are connected to positioning rods 19. When the support plate 1 is fixed above the bottom plate 16, the positioning plate 18 is overlapped to the outer sides of the support plate 1 and the bottom plate 16, and the positioning rod 19 is threadedly connected to the interior of the positioning plate 18, so that the positioning rod 19 extends to the inside of the support plate 1 and the bottom plate 16, and then the support plate 1 can be The support plate 1 is fixed above the bottom plate 16. Both sides of the bottom of the support plate 1 are fixedly connected with a pulley frame 20. The pulley frame 20 is rotatably connected with a pulley 21 inside. When the support plate 1 moves, the pulley 21 supports both sides of the bottom of the support plate 1 to ensure the stability of movement. There are two pulleys 21, and the two pulleys 21 are distributed on the left and right sides of the bottom of the support plate 1. The two pulleys 21 are rotatably connected to the inside of the pulley frame 20. When the support plate 1 moves, the pulley 21 can move above the bottom plate 16. The outside of the cylinder box 2 is provided with a heat dissipation hole. The inside of the heat dissipation hole is fixedly connected with a filter 22. The heat dissipation hole discharges heat from the inside of the cylinder box 2, and the filter 22 prevents turning debris from entering the inside of the cylinder box 2.
[0037] The two clamping plates 8 are retracted and extended by the cylinder 3, and the two clamping plates 8 are displaced toward the center of the support plate 1, so that the workpiece is placed inside the two clamping plates 8, so that the staff can adjust the position of the two clamping plates 8 according to the size of the workpiece, so as to achieve the effect of clamping different workpieces. Then, the screw rod 9 is twisted to make the screw rod 9 drive the clamping block 10 to displace. Two clamping blocks 10 are arranged inside each clamping plate 8, and the displacement of the two clamping blocks 10 can clamp the two ends of the workpiece, so that the two ends of the workpiece can be fixed inside the two clamping plates 8, and the screw rod 9 is rotatably connected to the inside of the clamping plate 8 by the bearing 11, so that the clamping plate 8 is displaced without rotating. When it is necessary to change the processing orientation of the workpiece, the motor 6 is started, so that the motor 6 drives the rotating disk 7 and the clamping plate 8 to rotate, so that the orientation of the workpiece inside the clamping plate 8 can be adjusted. As a result, the device can not only clamp the workpiece with an excellent clamping effect, but also clamp workpieces of different sizes, and can adjust the workpiece according to the processing orientation of the workpiece, which is very practical. The bottom plate 16 is fixed inside the lathe, and a socket matching the connecting shaft 15 is opened inside the limit block 17, and the connecting shaft 15 is plugged into the inside of the limit block 17. The staff pulls the support plate 1 to make the connecting shaft 15 slide inside the limit block 17, so that the support plate can be 1 is pulled to the outside of the lathe, and the workpiece is clamped outside the lathe to reduce safety hazards. When the support plate 1 is fixed above the bottom plate 16, the positioning plate 18 is overlapped to the outside of the support plate 1 and the bottom plate 16, and the positioning rod 19 is threadedly connected to the inside of the positioning plate 18, so that the positioning rod 19 extends to the inside of the support plate 1 and the bottom plate 16, so that the support plate 1 can be fixed above the bottom plate 16. When the support plate 1 moves, the pulley 21 supports both sides of the bottom of the support plate 1 to ensure movement stability.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A workpiece clamping device for an intermediate drive double-head lathe, comprising a support plate (1) and a base plate (16), characterized in that: Both sides of the top of the support plate (1) are fixedly connected to a cylinder box (2), a cylinder (3) is arranged inside the cylinder box (2), a push rod (4) is arranged at the output end of the cylinder (3), one end of the push rod (4) is fixedly connected to a moving plate (5), a motor (6) is fixedly installed outside the moving plate (5), a rotating disk (7) is fixedly connected to the output end of the motor (6), a clamping plate (8) is fixedly connected to the outside of the rotating disk (7), a screw (9) is threadedly connected inside the clamping plate (8), a clamping block (10) is arranged at one end of the screw (9), a bearing (11) is fixedly installed at the center of one side of the clamping block (10), the screw (9) is rotatably connected inside the bearing (11), a groove is provided inside the clamping block (10), an anti-slip protrusion (12) is fixedly connected inside the groove, and an anti-slip pattern is provided outside the anti-slip protrusion (12).
2. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1 is characterized in that: The number of the clamping blocks (10) is four, and the four clamping blocks (10) are grouped in pairs.
3. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1, characterized in that: The other end of the screw rod (9) is fixedly connected to a handle (13), and the outside of the handle (13) is fixedly connected to a sheath.
4. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1, characterized in that: The top of the support plate (1) is fixedly connected to a slide rail (14), and both sides of the bottom of the movable plate (5) are fixedly connected to sliding blocks.
5. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1, characterized in that: A notch is provided at the bottom of the support plate (1), and a connecting shaft (15) is rotatably and fixedly connected inside the notch.
6. The workpiece clamping device for an intermediate drive double-head lathe according to claim 5, characterized in that: The top of the bottom plate (16) is fixedly connected to a limiting block (17), and the connecting shaft (15) is inserted into the inside of the limiting block (17).
7. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1, characterized in that: The outer sides of the support plate (1) and the bottom plate (16) are overlapped with positioning plates (18), and the inner sides of the positioning plates (18) are threadedly connected with positioning rods (19).
8. The workpiece clamping device for an intermediate drive double-head lathe according to claim 1, characterized in that: Both sides of the bottom of the support plate (1) are fixedly connected to pulley frames (20), and a pulley (21) is rotatably connected inside the pulley frame (20).
9. The workpiece clamping device for an intermediate drive double-head lathe according to claim 8, characterized in that: The number of the pulleys (21) is two, and the two pulleys (21) are distributed on the left and right sides of the bottom of the support plate (1).
10. The workpiece clamping device for an intermediate drive double-head lathe according to claim 5, characterized in that: A heat dissipation hole is provided on the outside of the cylinder box (2), and a filter screen (22) is fixedly connected to the inside of the heat dissipation hole.