Double-clamping type clamping jaw clamp with good guiding performance
By providing a matching of the extension guide plate and the guide groove and a limit structure of the upper and lower limit plates in the clamp type jaw clamp, the problem of misalignment of the clamp is solved, and the mating accuracy of the clamp and the stable clamping effect of the workpiece is improved.
Patent Information
- Application Number
- CN202421731054.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-22
AI Technical Summary
During long-term use, existing clamping jaw clamps are prone to partial misalignment of the left and right clamping jaws, resulting in a decrease in clamping accuracy.
By providing the extension guide plate and the guide groove in the left jaw and the right jaw, the limiting structure of the upper limit plate and the lower limit plate is combined to ensure that the fixture does not misalign in the longitudinal and horizontal directions.
The matching accuracy of the left and right clamps is greatly improved, avoiding misalignment of the clamps and ensuring stable clamping of the workpiece.
Smart Images
Figure CN222779451U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamping claws and fixtures, in particular to a clamping type clamping claws and fixture with good guiding performance. Background Art
[0002] The jaw clamp is a device used to fix the processing object. The jaw clamp is widely used in the casting industry, logistics industry, etc. The clamping jaw clamp generally adopts a left jaw and a right jaw that cooperate with each other to clamp the workpiece. However, the left jaw and the right jaw of the existing clamping jaw clamp are mostly guided only by guide rails. However, during long-term use, the clamp parts of the left jaw and the right jaw are prone to misalignment. Therefore, an improved technology is urgently needed to solve this problem in the prior art. Utility Model Content
[0003] The purpose of the utility model is to provide a clamping jaw clamp with good guiding performance. By extending the cooperation between the guide plate and the guide groove, it is ensured that the left clamp and the right clamp will not be misaligned in the longitudinal direction when clamping the workpiece. By the limiting cooperation of the upper limit plate and the lower limit plate, it is ensured that the left clamp and the right clamp will not be misaligned in the horizontal height direction, thereby greatly improving the matching accuracy of the left clamp and the right clamp to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping type jaw fixture with good guiding performance, comprising a frame, a left jaw, and a right jaw;
[0005] The frame includes a frame, a guide rail, a reduction motor, a bearing seat and a double-threaded lead screw. The upper end and the lower end of the front side of the frame are provided with guide rails. The two ends of the frame are provided with a reduction motor and a bearing seat respectively. The output shaft of the reduction motor is connected to one end of the double-threaded lead screw through a coupling, and the other end of the double-threaded lead screw is connected to the bearing seat. The threads at both ends of the double-threaded lead screw are symmetrical and arranged in opposite directions.
[0006] The left clamp comprises a left clamping plate, a left side plate, a left clamp, an extension guide plate and a first lead screw pair nut, one side of the left clamping plate is slidably matched with the guide rail through the left side plate and the slider, a left clamp is arranged at the middle position of the left clamping plate away from one end of the reduction motor, extension guide plates are arranged on both sides of the left clamping plate located at one end of the left clamp, an upper limit plate is arranged on the upper surface of the outer end of the extension guide plate, a lower limit plate is arranged on the lower surface of the outer end of the extension guide plate, a first lead screw pair nut is arranged at one end of the left side plate away from the left clamping plate, and the first lead screw pair nut cooperates with one end of the double-threaded lead screw close to the reduction motor;
[0007] The right clamp comprises a right clamp plate, a right side plate, a right clamp and a second lead screw pair nut, one side of the right clamp plate is slidably matched with the guide rail through the right side plate and the slider, a right clamp is provided at the middle position of the right clamp plate close to one end of the reduction motor, the right clamp and the left clamp cooperate with each other, the right clamp plate is provided with guide grooves on both sides of one end of the right clamp, the extended guide plate corresponds to the guide grooves one by one, the upper limit plate is slidably set on the upper surface of the right clamp plate, the lower limit plate is slidably set on the lower surface of the right clamp plate, and a second lead screw pair nut is provided on the end of the right side plate away from the right clamp plate, and the second lead screw pair nut cooperates with the end of the double-threaded screw away from the reduction motor.
[0008] Preferably, the utility model provides a clamping jaw clamp with good guiding performance, wherein the lower end of the upper limit plate away from the left clamping plate is provided with a chamfer, and the upper end of the lower limit plate away from the left clamping plate is provided with a chamfer.
[0009] Preferably, the utility model provides a clamping jaw fixture with good guiding performance, wherein the widths of the upper limit plate and the lower limit plate are greater than the width of the guide groove.
[0010] Preferably, the utility model provides a clamping-type jaw clamp with good guiding performance, wherein the thickness of the left clamping plate, the extension guide plate and the right clamping plate are consistent.
[0011] Preferably, the utility model provides a clamping-type jaw fixture with good guiding performance, wherein the upper limit plate and the lower limit plate are both connected to the extension guide plate by bolts.
[0012] Preferably, the utility model provides a clamping-type jaw fixture with good guiding performance, wherein a plurality of fixing plates are arranged at one end of the frame away from the guide rail.
[0013] Preferably, the utility model provides a clamping jaw clamp with good guiding performance, wherein the left clamp is provided with protrusions on both sides near one end of the right clamp, and the right clamp is provided with grooves on both sides near one end of the left clamp, and the protrusions and the grooves correspond one-to-one and cooperate with each other.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The left clamping plate is provided with an extension guide plate, the right clamping plate is provided with a guide groove, the upper surface of the extension guide plate is provided with an upper limit plate, and the lower surface of the extension guide plate is provided with a lower limit plate. Through the cooperation of the extension guide plate and the guide groove, it is ensured that the left clamp and the right clamp will not be misaligned in the longitudinal direction when clamping the workpiece. Through the limiting cooperation of the upper limit plate and the lower limit plate, it is ensured that the left clamp and the right clamp will not be misaligned in the horizontal height direction, thereby greatly improving the cooperation accuracy of the left clamp and the right clamp. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the enlarged structure of the utility model located at the left clamp and the right clamp;
[0018] Figure 3 This is a schematic diagram of the front view structure of the utility model;
[0019] Figure 4 For attachment Figure 3 The enlarged structural diagram at the mark A in the middle;
[0020] Figure 5 This is a schematic diagram of the structure of the utility model when viewed from above;
[0021] Figure 6 It is a rear view structural schematic diagram of the utility model.
[0022] In the figure: frame 1, guide rail 2, reduction motor 3, bearing seat 4, double-threaded screw 5, left clamp 6, left side plate 7, left clamp 8, extension guide plate 9, first screw pair nut 10, upper limit plate 11, lower limit plate 12, right clamp 13, right side plate 14, right clamp 15, second screw pair nut 16, guide groove 17, groove 18, fixing plate 19, protrusion 20, groove 21. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. 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;
[0024] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0025] See also Figure 1-6 , the utility model provides a technical solution: a clamping type jaw fixture with good guiding performance, comprising a frame, a left jaw, and a right jaw;
[0026] The frame includes a frame 1, a guide rail 2, a reduction motor 3, a bearing seat 4 and a double-threaded lead screw 5. The upper end and the lower end of the front side of the frame 1 are provided with guide rails 2. The end of the frame 1 away from the guide rail 2 is provided with a plurality of fixing plates 19 for connection with the hanger. The two ends of the frame 1 are respectively provided with a reduction motor 3 and a bearing seat 4. The output shaft of the reduction motor 3 is connected to one end of the double-threaded lead screw 5 through a coupling, and the other end of the double-threaded lead screw 5 is connected to the bearing seat 4. The threads at both ends of the double-threaded lead screw 5 are symmetrical and arranged in opposite directions.
[0027] The left clamp includes a left clamp plate 6, a left side plate 7, a left side clamp 8, an extension guide plate 9 and a first lead screw nut 10. One side of the left clamp plate 6 is slidably matched with the guide rail 2 through the left side plate 7 and the slider. The left side clamp 8 is provided at the middle position of the left clamp plate 6 away from the end of the reduction motor 3. The left clamp plate 6 is provided with extension guide plates 9 on both sides of the left clamp plate 6 located at the end of the left side clamp 8. An upper limit plate 11 is provided on the upper surface of the outer end of the extension guide plate 9, and a lower limit plate 12 is provided on the lower surface of the outer end of the extension guide plate 9. The upper limit plate 11 and the lower limit plate 12 are connected to the extension guide plate 9 by bolts to facilitate the replacement of the upper limit plate 11 and the lower limit plate 12. The first lead screw nut 10 is provided at the end of the left side plate 7 away from the left clamp plate 6, and the first lead screw nut 10 cooperates with the end of the double-threaded lead screw 5 close to the reduction motor 3;
[0028] The right clamp includes a right clamp plate 13, a right side plate 14, a right clamp 15 and a second lead screw nut 16. One side of the right clamp plate 13 is slidably matched with the guide rail 2 through the right side plate 14 and the slider. The right clamp 15 is arranged at the middle position of the right clamp plate 13 near the end of the reduction motor 3. The right clamp 15 cooperates with the left clamp 8. The left clamp 8 is provided with protrusions 20 on both sides of the right clamp 15 near the end of the left clamp 8. There is a groove 21, and the protrusion 20 corresponds to the groove 21 one by one and cooperates with each other, further improving the fit between the left clamp 8 and the right clamp 15. The right clamp 13 is located on both sides of one end of the right clamp 15 and has guide grooves 17. The extended guide plate 9 corresponds to the guide grooves 17 one by one. The upper limit plate 11 is slidably arranged on the upper surface of the right clamp 13, and the lower limit plate 12 is slidably arranged on the lower surface of the right clamp 13. The lower end of the upper limit plate 11 away from the end of the left clamp 6 is provided with a groove. 18, the upper end of the lower limit plate 12 away from the left clamping plate 6 is provided with a groove 18, and the groove 18 is provided through the upper limit plate 11 and the lower limit plate 12 to ensure that when the upper limit plate 11 and the lower limit plate 12 are separated from the guide groove 17 and re-enter the guide groove 17, they can smoothly slide to the upper surface and the lower surface of the right clamping plate 13 to avoid hard collision. The width of the upper limit plate 11 and the lower limit plate 12 is greater than the width of the guide groove 17 to ensure that the upper limit plate 11 and the lower limit plate 12 are The two ends of the plate 12 are always in close contact with the upper and lower surfaces of the right clamping plate 13 to avoid misalignment in the horizontal height direction. The thickness of the left clamping plate 6, the extension guide plate 9 and the right clamping plate 13 are consistent to ensure that the distance from the lower surface of the upper limit plate 11 to the upper surface of the lower limit plate 12 is consistent with the thickness of the right clamping plate 13. The second screw nut 16 is provided at the end of the right side plate 14 away from the right clamping plate 13, and the second screw nut 16 cooperates with the end of the double-threaded screw 5 away from the reduction motor 3.
[0029] Installation method and use principle: First, the left clamping plate 6 is connected to the guide rail 2 on the front side of the frame 1 through the left side plate 7 and the slider, and then the right clamping plate 13 is connected to the guide rail 2 on the front side of the frame 1 through the right side plate 14 and the slider. Then the double-threaded screw 5 is installed in the frame 1, and the two ends of the double-threaded screw 5 are respectively connected to the first screw nut 10 and the second screw nut 16, and the two ends of the double-threaded screw 5 are respectively connected to the reduction motor 3 and the bearing seat 4. Finally, the upper limit plate 11 is installed on the upper surface of the extension guide plate 9 by bolts, and the lower limit plate 12 is installed on the lower surface of the extension guide plate 9 by bolts to complete the installation. When in use, it is connected to the liftable hanger through the fixed plate 19. When clamping the workpiece, the double-threaded screw 5 is driven to rotate by the reduction motor 3. Through the cooperation of the screw and the first screw sub-nut 10 and the second screw sub-nut 16, the left clamp 6 and the right clamp 13 are moved away from each other, the clamp is lowered, and the workpiece is located between the left clamp 8 and the right clamp 15. Then the reduction motor 3 is reversed, so that the left clamp 6 and the right clamp 13 are close to each other, and the workpiece is clamped by the cooperation of the left clamp 8 and the right clamp 15. During the process, the upper limit plate 11 and the lower limit plate 12 are always close to the upper surface and the lower surface of the right clamp 13. The utility model has a reasonable structure. The left clamping plate 6 is provided with an extension guide plate 9, the right clamping plate 13 is provided with a guide groove 17, the upper surface of the extension guide plate 9 is provided with an upper limit plate 11, and the lower surface of the extension guide plate 9 is provided with a lower limit plate 12. Through the cooperation of the extension guide plate 9 and the guide groove 17, it is ensured that the left clamp 8 and the right clamp 15 will not be misaligned in the longitudinal direction when clamping the workpiece, and through the limiting cooperation of the upper limit plate 11 and the lower limit plate 12, it is ensured that the left clamp 8 and the right clamp 15 will not be misaligned in the horizontal height direction, thereby greatly improving the cooperation accuracy of the left clamp 8 and the right clamp 15.
[0030] The matters not described in detail in the present invention are all known technologies to those skilled in the art.
[0031] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A clamping jaw fixture with good guiding performance, characterized in that: It includes a frame, a left clamping jaw and a right clamping jaw; The frame comprises a frame (1), a guide rail (2), a reduction motor (3), a bearing seat (4) and a double-threaded lead screw (5); the upper end and the lower end of the front side of the frame (1) are both provided with a guide rail (2); the two ends of the frame (1) are respectively provided with a reduction motor (3) and a bearing seat (4); the output shaft of the reduction motor (3) is connected to one end of the double-threaded lead screw (5) through a coupling; the other end of the double-threaded lead screw (5) is connected to the bearing seat (4); the threads at the two ends of the double-threaded lead screw (5) are symmetrical and arranged in opposite directions; The left clamp comprises a left clamp (6), a left side plate (7), a left side clamp (8), an extension guide plate (9) and a first lead screw nut (10); one side of the left clamp (6) is slidably matched with the guide rail (2) through the left side plate (7) and the slider; a left side clamp (8) is provided at a middle position of the left clamp (6) away from one end of the reduction motor (3); extension guide plates (9) are provided on both sides of the left clamp (6) located at one end of the left side clamp (8); an upper limit plate (11) is provided on the upper surface of the outer end of the extension guide plate (9); a lower limit plate (12) is provided on the lower surface of the outer end of the extension guide plate (9); a first lead screw nut (10) is provided at one end of the left side plate (7) away from the left clamp (6); the first lead screw nut (10) cooperates with one end of the double-threaded lead screw (5) close to the reduction motor (3); The right clamp comprises a right clamp plate (13), a right side plate (14), a right side clamp (15) and a second lead screw nut (16); one side of the right clamp plate (13) is slidably matched with the guide rail (2) through the right side plate (14) and the slide block; a right side clamp (15) is provided at a middle position of the right clamp plate (13) near one end of the reduction motor (3); the right side clamp (15) cooperates with the left side clamp (8); the right clamp plate (13) is located at one end of the right side clamp (15) Guide grooves (17) are provided on both sides, the extended guide plate (9) corresponds to the guide grooves (17) one by one, the upper limit plate (11) is slidably arranged on the upper surface of the right clamping plate (13), the lower limit plate (12) is slidably arranged on the lower surface of the right clamping plate (13), and the right side plate (14) is provided with a second lead screw nut (16) at one end away from the right clamping plate (13), and the second lead screw nut (16) cooperates with the end of the double-threaded lead screw (5) away from the reduction motor (3).
2. A clamping jaw fixture with good guiding performance according to claim 1, characterized in that: The upper limit plate (11) has a lower end away from the left clamping plate (6) with a groove (18), and the lower limit plate (12) has an upper end away from the left clamping plate (6) with a groove (18).
3. A clamping jaw fixture with good guiding performance according to claim 1, characterized in that: The width of the upper limit plate (11) and the lower limit plate (12) is greater than the width of the guide groove (17).
4. A clamping type jaw fixture with good guiding performance according to claim 1, characterized in that: The left clamping plate (6), the extension guide plate (9) and the right clamping plate (13) have the same thickness.
5. The clamping jaw fixture with good guiding performance according to claim 1, characterized in that: The upper limit plate (11) and the lower limit plate (12) are both connected to the extension guide plate (9) via bolts.
6. A clamping jaw fixture with good guiding performance according to claim 1, characterized in that: A plurality of fixing plates (19) are arranged at one end of the frame (1) away from the guide rail (2).
7. A clamping type jaw fixture with good guiding performance according to claim 1, characterized in that: The left clamp (8) is provided with protrusions (20) on both sides of one end close to the right clamp (15), and the right clamp (15) is provided with grooves (21) on both sides of one end close to the left clamp (8), and the protrusions (20) and the grooves (21) correspond to each other one by one and cooperate with each other.