Mechanical supercharging jaw vice

Abstract

A fixing plate is arranged at the end, close to a movable jaw, of a vice body, the top of the fixing plate is connected with a vice body right guide rail and a vice body left guide rail, the bottom of the fixing plate is connected with a vice body base, the interior of a screw is divided into a hollow front section and a hollow rear section, and the diameter of the front section is smaller than that of the rear section. One end of the screw rod is located in the fixing plate, the other end of the screw rod extends to the other end of the vice body, a threaded ejector rod is arranged in the screw rod, an inclined face pressurization structure is arranged between the threaded ejector rod and the screw rod, and a gear structure used for adjusting the pressurization multiple is arranged between the threaded ejector rod and the screw rod. The jaw vice body adopts a separated design, so that the manufacturing difficulty is greatly reduced; a connecting interface adopts three-key-slot over-positioning, so that the connecting rigidity is ensured; the base is made of cast iron, the guide rail is made of steel, multiple materials are mixed, and higher precision and durability are obtained.

Description

Technical Field

[0001] The utility model relates to a vise. Background Art

[0002] The vise is one of the most commonly used universal clamps in mechanical processing. Common types include: traditional mechanical vise, hydraulic booster vise and mechanical booster vise. The traditional mechanical vise uses a simple threaded pair to move the jaws back and forth to clamp the workpiece. Its disadvantages are that the clamping force can only be controlled by the torque of the screw rotation, there is no booster treatment, and the input torque is large; the hydraulic booster vise solves the shortcoming of the traditional vise without booster, but its pressure transmission medium is hydraulic oil, which has the problem of oil leakage and pressure relief after long-term use, and the manufacturing and matching precision of the parts at the oil cylinder is very high, and the manufacturing cost is high; the mechanical booster vise combines the common advantages of the traditional mechanical vise and the hydraulic booster vise. In the prior art, the mechanical booster vise has a flexible and changeable structure, and the combination methods are different. Its structure is relatively complex, the parts are difficult to manufacture, and the cost of use is very high, which is dozens of times that of the traditional mechanical vise. Utility Model Content

[0003] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a mechanical supercharger vise to solve the existing problems.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides a mechanical supercharged vise, comprising a vise body, wherein the vise body comprises a vise body base, a right guide rail of the vise body, a left guide rail of the vise body, a fixed jaw, a movable jaw, a screw rod, and a sliding nut. The right guide rail of the vise body and the left guide rail of the vise body are respectively arranged on both sides of the vise body base through No. 1 bolts, the fixed jaw is fixedly arranged on the right guide rail of the vise body and the left guide rail of the vise body, the sliding nut can be slidably arranged between the right guide rail of the vise body and the left guide rail of the vise body, the movable jaw and the sliding nut are fixedly connected through No. 6 nuts and No. 7 nuts, the screw rod is arranged in the sliding nut and is threadedly connected through a copper nut, a fixed plate is arranged at one end of the vise body close to the movable jaw, and the top of the fixed plate is connected to the vise body The right guide rail and the left guide rail of the vise body, the bottom of the fixed plate is connected to the base of the vise body by a No. 3 bolt, the interior of the screw is a hollow front and rear section, the diameter of the front section is smaller than the diameter of the rear section, one end of the screw is located in the fixed plate, the other end of the screw extends to the other end of the vise body, an exhaust plug is provided in the other end of the screw, a T-tooth plastic dust ring is provided between the front section of the screw and the movable jaw, a corrugated spring is provided between one side of the T-tooth plastic dust ring and the copper nut, a hole retaining ring is provided on the other side of the T-tooth plastic dust ring, a threaded push rod is provided inside the screw, an inclined surface boosting structure is provided between the threaded push rod and the screw, and a gear structure for adjusting the boosting multiple is provided between the threaded push rod and the screw.

[0006] Preferably, the inclined surface pressurizing structure includes an inclined block pin, a roller needle, a movable ring, a disc spring, a pressure plate, and a fixed ring. The fixed ring is arranged in one end of the rear section of the screw, and the movable ring is arranged in the rear section of the screw, and is provided with two upper and lower inclined surfaces on the side facing the fixed ring. The inclined block pin is passed through the movable ring, one end of the inclined block pin is in contact with one end of the threaded ejector rod, and the other end extends into the fixed ring, and the other end of the inclined block pin is provided with two upper and lower inclined surfaces. Two roller needles are arranged between the fixed ring and the movable ring, and the two roller needles are divided into upper and lower sides located at the inclined surface of the movable ring and the inclined surface of the inclined block pin. A pressure plate is sleeved on one end of the threaded ejector rod, and a disc spring is arranged between the pressure plate and the movable ring.

[0007] Preferably, the gear structure comprises a transmission push rod, a torque buckle housing, a connecting buckle, and a stopper, the threaded push rod is sleeved with a transmission push rod, one end of the transmission push rod is in contact with a pressing sheet, and a No. 1 ratchet is arranged on the other end of the transmission push rod;

[0008] The fixing plate is provided with an outer cover by a No. 2 bolt, the torque buckle outer shell is placed in the outer cover, a sliding connection buckle and a fixed stopper are provided between the torque buckle outer shell and the threaded push rod, the connection buckle sleeve is placed on the threaded push rod, a thread groove is provided outside the connection buckle, a pin hole corresponding to the thread groove is opened on the torque buckle outer shell, a torque indexing pin is provided in the pin hole, and the torque indexing pin is inserted into the thread groove, the stopper is divided into a left half circle stopper and a right half circle stopper, the left half circle stopper and the right half circle stopper are connected by a No. 1 bolt, a torque adjustment spring is provided between the stopper and the connection buckle, and a No. 2 ratchet corresponding to the No. 1 ratchet on the transmission push rod is provided on the connection buckle;

[0009] The threaded push rod is provided with two spring grooves at the transmission push rod, a coupling spring is provided in the spring groove, an interlocking steel ball is provided on the coupling spring, and a limiting groove is provided on the transmission push rod corresponding to the spring groove position, and the diameter of the limiting groove is smaller than the diameter of the interlocking steel ball;

[0010] A plurality of transmission pins for fixing are arranged between the transmission push rod and the screw rod.

[0011] Preferably, the right guide rail of the vise body and the left guide rail of the vise body are both provided with fixing grooves, a fixing block is provided at the bottom of the fixed jaw, the fixed jaw is fixedly connected to the right guide rail of the vise body and the left guide rail of the vise body by a No. 5 bolt, and the fixing block is fixedly connected to the fixing groove by a No. 4 bolt.

[0012] Preferably, the vise body base is made of cast iron material, and the vise body right guide rail and the vise body left guide rail are made of steel material.

[0013] Preferably, a sealing ring is provided between the sliding nut and the screw rod, and a sealing ring is provided between the fixing block and the screw rod.

[0014] Preferably, a retaining ring is provided on the transmission top rod, and the retaining ring is located at the connection between the transmission top rod and the fixing block.

[0015] Preferably, two guide pillars are provided on the fixing ring, and the two guide pillars are located on both sides of the ejector pin of the inclined block.

[0016] Preferably, an adjustment gasket is provided between the disc spring and the movable ring.

[0017] The beneficial effects of the utility model are:

[0018] 1. The vise body adopts a separate design, which greatly reduces the manufacturing difficulty; the connection interface adopts a three-keyway positioning to ensure the connection rigidity; the base is made of cast iron, the guide rail is steel, and multiple materials are mixed to obtain higher precision and durability; the vise body is hollowed out all around, and the inclined curved surface design effectively discharges chips and cutting fluid;

[0019] 2. The vise adopts a purely mechanical structure, which is simple in structure, easy to use and has a long service life;

[0020] 3. Through the inclined supercharging mechanism, a 10-fold supercharging effect can be achieved;

[0021] 4. The sliding nut and the vise body are matched through a long T-shaped groove rail, which simply and effectively suppresses the upward tilt and left and right shaking of the movable jaw;

[0022] 5. Two sets of strong springs and steel balls are used to form a simple and effective coupling mechanism, which is economical to manufacture and maintain;

[0023] 6. The principle of flexible transmission of ball screw pair is adopted to convert the rotation angle into the linear movement of the connecting buckle, resulting in different gears at different rigid connection times;

[0024] 7. The coupling mechanism, booster mechanism and force adjustment mechanism in the core parts are well sealed to prevent the entry of cutting fluid and chips, effectively ensuring the reliability of use;

[0025] 8. The vise clamping force is provided by multiple sets of disc springs, and the continuous output effectively avoids the pressure loss caused by vibration, slight deformation, etc. during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A three-dimensional structural diagram of a mechanical supercharger vise provided in an embodiment of the utility model;

[0028] Figure 2 An exploded view of a supercharged vise provided by an embodiment of the utility model;

[0029] Figure 3 A partial cross-sectional view of a mechanical supercharger vise provided in an embodiment of the utility model;

[0030] Figure 4 A top view of a mechanical supercharger vise provided in an embodiment of the utility model;

[0031] Figure 5 for Figure 4 Cross-sectional view in AA direction;

[0032] Figure 6 This is a disassembled diagram of the supercharger vise base;

[0033] Figure 7 This is a schematic diagram of the mechanical supercharger vise provided by the utility model when clamping a workpiece.

[0034] Explanation of the reference numerals: 1. No. 1 bolt; 2. No. 2 bolt; 3. No. 3 bolt; 4. No. 4 bolt; 5. No. 5 bolt; 6. No. 6 bolt; 7. No. 7 bolt; 8. Sealing ring; 9. Transfer pin; 10. Adjusting gasket; 11. Coupling spring; 12. Retaining ring; 13. Interlocking steel ball; 14. Outer cover; 15. Torque adjustment spring; 16. Left half circle stopper; 17. Right half circle stopper; 18. Copper nut; 19. Sliding nut; 20. Torque indexing pin; 21. Torque buckle housing; 22. Connecting buckle; 23. Fixed jaws; 24. Movable jaws; 25. Fixed plate; 26. No. 8 bolt; 27. Right guide rail of vise body; 28. Left guide rail of vise body; 29. ​​Base of vise body; 30. Screw ejector rod; 31. Disc spring; 32. Transmission ejector rod; 33. Pressing plate; 34. Screw rod; 35. Needle roller; 36. Guide column; 37. Bevel block ejector pin; 38. Moving ring; 39. Fixed ring; 40. Snap ring for hole; 41. T-shaped plastic dust seal; 42. Exhaust plug; 43. Corrugated spring; 44. Workpiece. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Embodiment 1, as Figures 1 to 7As shown, a mechanical supercharged vise comprises a vise body, wherein the vise body comprises a vise body base 29, a right guide rail 27 of the vise body, a left guide rail 28 of the vise body, a fixed jaw, a movable jaw 24, a screw 34, and a sliding nut 19. The right guide rail 27 of the vise body and the left guide rail 28 of the vise body are respectively arranged on both sides of the vise body base 29 by a No. 1 bolt 1. The fixed jaw is fixedly arranged on the right guide rail 27 of the vise body and the left guide rail 28 of the vise body. The sliding nut 19 can be slidably arranged between the right guide rail 27 of the vise body and the left guide rail 28 of the vise body. The movable jaw 24 and the sliding nut 19 are fixedly connected by a No. 6 nut and a No. 7 nut. The screw 34 is arranged in the sliding nut 19 and is threadedly connected by a copper nut 18. A fixed plate 25 is arranged at one end of the vise body close to the movable jaw 24, and the top of the fixed plate 25 is connected to the right side of the vise body. The guide rail 27 and the left guide rail 28 of the vise body, the bottom of the fixed plate 25 is connected to the vise body base 29 by a No. 3 bolt 3, the interior of the screw rod 34 is a hollow front and rear section, the diameter of the front section is smaller than the diameter of the rear section, one end of the screw rod 34 is located in the fixed plate 25, and the other end of the screw rod 34 extends to the other end of the vise body, and an exhaust plug 42 is arranged in the other end of the screw rod 34, a T-tooth plastic dust ring 41 is arranged between the front section of the screw rod 34 and the movable jaw 24, a corrugated spring 43 is arranged between one side of the T-tooth plastic dust ring 41 and the copper nut 18, and a hole retaining ring 40 is arranged on the other side of the T-tooth plastic dust ring 41, a threaded push rod is arranged inside the screw rod 34, an inclined surface boosting structure is arranged between the threaded push rod and the screw 34, and a gear structure for adjusting the boosting multiple is arranged between the threaded push rod and the screw 34.

[0037] Furthermore, the inclined surface pressurization structure includes an inclined block pin 37, a roller needle 35, a movable ring 38, a disc spring 31, a pressure plate 33, and a fixed ring 39. The fixed ring 39 is arranged in one end of the rear section of the screw rod 34, and the movable ring 38 is arranged in the rear section of the screw rod 34, and is provided with two upper and lower inclined surfaces on the side facing the fixed ring 39. The inclined block pin 37 passes through the movable ring, one end of the inclined block pin 37 contacts one end of the threaded ejector rod, and the other end extends into the fixed ring 39. The other end of the inclined block pin 37 is provided with two upper and lower inclined surfaces, and two roller needles 35 are arranged between the fixed ring 39 and the movable ring 38. The two roller needles 35 are divided into upper and lower sides located at the inclined block pin 37, and are located between the inclined surface of the movable ring and the inclined surface of the inclined block pin 37. A pressure plate 33 is sleeved on one end of the threaded ejector rod, and a disc spring 31 is arranged between the pressure plate 33 and the movable ring.

[0038] Furthermore, the gear structure includes a transmission push rod 32, a torque buckle housing 21, a connecting buckle 22, and a stopper. The threaded push rod is sleeved with a transmission push rod 32, one end of the transmission push rod 32 is in contact with a pressing sheet 33, and a No. 1 ratchet is provided on the other end of the transmission push rod 32;

[0039] The fixing plate 25 is provided with an outer cover 14 through a No. 2 bolt 2, the torque buckle housing 21 is sleeved in the outer cover 14, a sliding connection buckle 22 and a fixed stopper are provided between the torque buckle housing 21 and the threaded push rod, the connection buckle 22 is sleeved on the threaded push rod, a thread groove is provided outside the connection buckle 22, a pin hole corresponding to the thread groove is opened on the torque buckle housing 21, a torque indexing pin 20 is provided in the pin hole, and the torque indexing pin 20 is inserted into the thread groove, the stopper is divided into a left half circle stopper 16 and a right half circle stopper 17, the left half circle stopper 16 and the right half circle stopper 17 are connected by a No. 1 bolt 1, a torque adjustment spring 15 is provided between the stopper and the connection buckle 22, and a No. 2 ratchet corresponding to the No. 1 ratchet on the transmission push rod 32 is provided on the connection buckle 22;

[0040] The threaded push rod is provided with two spring grooves at the transmission push rod 32, a coupling spring 11 is provided in the spring groove, an interlocking steel ball 13 is provided on the coupling spring 11, and a limiting groove is provided on the transmission push rod 32 corresponding to the spring groove position, and the diameter of the limiting groove is smaller than the diameter of the interlocking steel ball 13;

[0041] A plurality of transmission pins 9 for fixing are arranged between the transmission push rod 32 and the screw rod 34 .

[0042] Furthermore, fixing grooves are provided on the right guide rail 27 and the left guide rail 28 of the vise body, and a fixing block is provided at the bottom of the fixed jaw. The fixed jaw is fixedly connected with the No. 5 bolt 5 and the right guide rail 27 and the left guide rail 28 of the vise body, and the fixing block is fixedly connected with the fixing groove via the No. 4 bolt 4.

[0043] Furthermore, the vise body base 29 is made of cast iron, and the vise body right guide rail 27 and the vise body left guide rail 28 are made of steel.

[0044] Furthermore, a sealing ring 8 is provided between the sliding nut 19 and the screw rod 34 , and a sealing ring 8 is provided between the fixing block and the screw rod 34 .

[0045] Furthermore, a retaining ring 12 is provided on the transmission top rod 32 , and the retaining ring 12 is located at the connection between the transmission top rod 32 and the fixing block.

[0046] Furthermore, two guide pillars 36 are disposed on the fixing ring 39 , and the two guide pillars 36 are located on both sides of the inclined block ejector pin 37 .

[0047] Clamping gear adjustment:

[0048] Pull out the torque buckle housing 21, the rotation range is 360°, the counterclockwise rotation limit is 0°, the connecting buckle 22 moves forward to the limit ratchet and the disc spring 31 push rod ratchet bite jaw, the spiral push rod 30 and the screw rod 34 form a rigid connection through the transmission pin 9, at this time it is in the non-pressurization mode;

[0049] The limit of clockwise rotation is 360°, and the connecting buckle 22 moves backward to the limit pawl and the disc spring 31 push rod pawl disengages to form the maximum gap. The spiral push rod 30 and the screw rod 34 form a flexible connection through the coupling spring 11. At this time, it is the maximum boost mode, one gear every 60 degrees, and there are 6 gears in total. The half-circle block can only be reset after it cooperates with the angle of the torque buckle housing 21. The gear setting is completed, and each gear has a boost of about 8KN.

[0050] Workpiece 44 clamping operation:

[0051] The torque buckle housing 21 is adjusted to the required gear position, and the ratchet wrench is used to rotate the spiral push rod 30, and the movable jaw 24 is rotated counterclockwise to move away from the fixed jaw, and the jaws are opened. The movable jaw 24 is rotated clockwise to move toward the fixed jaw. After the movable jaw 24 contacts the clamped object, the rotation resistance of the spiral push rod 30 becomes larger. Use inch force to continue to rotate clockwise, and the interlocking steel ball 13 is compressed and retracted. The spiral push rod 30 is disconnected from the screw rod 34, and the spiral push rod 30 continues to rotate clockwise and moves forward to push the bevel block ejector pin 37, and the bevel block The two slopes of the ejector pin 37 push the rollers 35 on both sides to move outward, and the movable ring 38 moves backward. At this time, the pressurization principle of the two-stage inclined surfaces increases the forward thrust of the spiral ejector rod 30 by ten times. The thrust is compressed by the disc spring 31 through the adjusting gasket 10, and the compression force of the disc spring 31 is converted into the forward thrust of the movable jaw 24 to clamp the workpiece 44. When the spiral ejector rod 30 rotates to the limit, the connecting buckle 22 is driven forward by the spiral ejector rod 30, and the pawl of the connecting buckle 22 bites the pawl of the disc spring 31 ejector rod, thereby generating the thrust output at the current gear position.

[0052] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mechanical supercharged vise, comprising a vise body, wherein the vise body comprises a vise body base, a right guide rail of the vise body, a left guide rail of the vise body, a fixed jaw, a movable jaw, a screw, and a sliding nut. The right guide rail of the vise body and the left guide rail of the vise body are respectively arranged on both sides of the vise body base through No. 1 bolts, the fixed jaw is fixedly arranged on the right guide rail of the vise body and the left guide rail of the vise body, the sliding nut can be slidably arranged between the right guide rail of the vise body and the left guide rail of the vise body, the movable jaw and the sliding nut are fixedly connected through No. 6 nuts and No. 7 nuts, the screw is arranged in the sliding nut and is threadedly connected through a copper nut, characterized in that: A fixed plate is provided at one end of the vise body near the movable jaw, the top of the fixed plate is connected to the right guide rail of the vise body and the left guide rail of the vise body, the bottom of the fixed plate is connected to the base of the vise body by a No. 3 bolt, the interior of the screw is hollow front and rear sections, the diameter of the front section is smaller than the diameter of the rear section, one end of the screw is located in the fixed plate, the other end of the screw extends to the other end of the vise body, an exhaust plug is provided in the other end of the screw, a T-tooth plastic dust ring is provided between the front section of the screw and the movable jaw, a corrugated spring is provided between one side of the T-tooth plastic dust ring and the copper nut, a hole retaining ring is provided on the other side of the T-tooth plastic dust ring, a threaded push rod is provided inside the screw, an inclined surface boosting structure is provided between the threaded push rod and the screw, and a gear structure for adjusting the boosting multiple is provided between the threaded push rod and the screw.

2. The supercharged vise according to claim 1, characterized in that: The inclined surface pressurizing structure includes an inclined block pin, a roller needle, a movable ring, a disc spring, a pressure plate, and a fixed ring. The fixed ring is arranged in one end of the rear section of the screw, and the movable ring is arranged in the rear section of the screw, and is provided with two upper and lower inclined surfaces on the side facing the fixed ring. The inclined block pin is passed through the movable ring, one end of the inclined block pin contacts one end of the threaded ejector rod, and the other end extends into the fixed ring. The other end of the inclined block pin is provided with two upper and lower inclined surfaces, and two roller needles are arranged between the fixed ring and the movable ring. The two roller needles are divided into upper and lower sides located at the inclined surface of the inclined block pin, and are located between the inclined surface of the movable ring and the inclined surface of the inclined block pin. A pressure plate is sleeved on one end of the threaded ejector rod, and a disc spring is arranged between the pressure plate and the movable ring.

3. The supercharged vise according to claim 1, characterized in that: The gear structure comprises a transmission push rod, a torque buckle housing, a connecting buckle, and a stopper. The threaded push rod is sleeved with a transmission push rod, one end of the transmission push rod is in contact with a pressing sheet, and a No. 1 ratchet is arranged on the other end of the transmission push rod. The fixing plate is provided with an outer cover by a No. 2 bolt, the torque buckle outer shell is placed in the outer cover, a sliding connection buckle and a fixed stopper are provided between the torque buckle outer shell and the threaded push rod, the connection buckle sleeve is placed on the threaded push rod, a thread groove is provided outside the connection buckle, a pin hole corresponding to the thread groove is opened on the torque buckle outer shell, a torque indexing pin is provided in the pin hole, and the torque indexing pin is inserted into the thread groove, the stopper is divided into a left half circle stopper and a right half circle stopper, the left half circle stopper and the right half circle stopper are connected by a No. 1 bolt, a torque adjustment spring is provided between the stopper and the connection buckle, and a No. 2 ratchet corresponding to the No. 1 ratchet on the transmission push rod is provided on the connection buckle; The threaded push rod is provided with two spring grooves at the transmission push rod, a coupling spring is provided in the spring groove, an interlocking steel ball is provided on the coupling spring, and a limiting groove is provided on the transmission push rod corresponding to the spring groove position, and the diameter of the limiting groove is smaller than the diameter of the interlocking steel ball; A plurality of transmission pins for fixing are arranged between the transmission push rod and the screw rod.

4. The mechanical supercharger vise according to claim 3, characterized in that: The right guide rail of the vise body and the left guide rail of the vise body are both provided with fixing grooves, and a fixing block is arranged at the bottom of the fixed jaw. The fixed jaw is fixedly connected with the right guide rail of the vise body and the left guide rail of the vise body by a No. 5 bolt, and the fixing block is fixedly connected with the fixing groove by a No. 4 bolt.

5. The supercharged vise according to claim 1, characterized in that: The vise body base is made of cast iron material, and the right guide rail of the vise body and the left guide rail of the vise body are made of steel material.

6. The supercharged vise according to claim 4, characterized in that: A sealing ring is arranged between the sliding nut and the screw rod, and a sealing ring is arranged between the fixing block and the screw rod.

7. The supercharged vise according to claim 4, characterized in that: A retaining ring is arranged on the transmission top rod, and the retaining ring is located at the connection between the transmission top rod and the fixing block.

8. The supercharged vise according to claim 2, characterized in that: The fixing ring is provided with two guide posts, and the two guide posts are located at two sides of the ejector pin of the inclined block.

9. The supercharged vise according to claim 2, characterized in that: An adjusting gasket is arranged between the disc spring and the movable ring.

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