Jig hold-down mechanism

Abstract

The utility model provides a jig pressing and holding mechanism, and relates to the field of jig pressing and holding. The jig pressing and holding mechanism comprises a bottom plate, one end of the top of the bottom plate is slidably connected with a first moving plate, the end, away from the first moving plate, of the top of the bottom plate is slidably connected with a second moving plate, one end of the first moving plate is fixedly connected with two limiting rods, and the ends, away from the first moving plate, of the limiting rods penetrate through the second moving plate and are fixedly connected with a transverse plate. According to the jig pressing and holding mechanism, the first moving plate and the second moving plate can be reset under the action of the spring, the moving tracks of the first moving plate and the second moving plate can be guaranteed through the two limiting rods, a workpiece can be clamped through the clamping plate, and the first moving plate and the second moving plate are driven to move in the opposite directions through the rotating mechanism; according to the device, workpieces of different sizes can be clamped through the clamping plates, then it can be guaranteed that the workpieces are in the vertical state all the time, damage to the workpieces can be avoided, and actual application and operation are facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of jig pressing and holding, and in particular to a jig pressing and holding mechanism. Background Art

[0002] A jig is a large category of tools used in carpentry, ironwork, fitter, machinery, electronic control, and some other handicrafts, and is mainly used as a tool to assist in controlling position or movement;

[0003] A Chinese patent discloses a press-fitting fixture, with the authorization announcement number CN210909598U, comprising a frame, a bearing fixture and a pressure plate assembly; the bearing fixture comprises a workpiece bearing plate, a bottom plate and a plurality of clamping members; the workpiece bearing plate is provided with a plurality of first through holes, and a first through hole is used to accommodate a workpiece; the bottom plate is fixedly connected to the frame, and the clamping member is arranged on the bottom plate; the pressure plate assembly comprises a pressing member, a driving member driving the pressing member to approach or move away from the bearing fixture, the driving member is fixedly connected to the frame, the pressing member is provided with a plurality of elastic columns, an elastic column is located above a first through hole, and an elastic column presses a workpiece to be fixed to a clamping member, although the patent sets a bearing fixture and a pressure plate assembly, the bearing fixture is provided with a workpiece bearing plate and a plurality of clamping members, the workpiece bearing plate is equipped with a plurality of workpieces, and under the action of the pressure plate assembly, a clamping member clamps a workpiece, so that a pressing action can fix a plurality of workpieces, thereby improving production efficiency;

[0004] However, in actual use, the device places the workpiece inside the positioning pin. When the workpieces are of different sizes, the positioning pin cannot ensure that the workpiece can always be in a vertical state, thereby causing damage to the workpiece, which is not conducive to actual application and operation. Therefore, those skilled in the art provide a fixture holding mechanism to solve the problems raised in the above background technology. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the present application provides a fixture holding mechanism, which solves the problem mentioned in the above background technology that when the sizes of workpieces are different, the positioning pin cannot ensure that the workpiece can always be in a vertical state, thereby causing damage to the workpiece.

[0007] (II) Technical solution

[0008] The cam is an angular movement movement mechanism which moves the movable frame upwards to move the movable frame upwards, the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving the movable frame upwards moving

[0009] A rotating mechanism is arranged on the top of the bottom plate and on one side of the second movable plate, and the rotating mechanism is used for driving the first movable plate and the second movable plate to move towards each other.

[0010] By adopting the above technical scheme, the movable plate one and the movable plate two can be reset by the action of the spring, the running trajectory of the movable plate one and the movable plate two can be guaranteed by the two limit rods, the workpiece can be clamped by the clamping plate, and the rotating mechanism is used to drive the movable plate one and the movable plate two to move toward each other. The device can clamp workpieces of different sizes through the clamping plate, thereby ensuring that the workpiece is always in a vertical state, avoiding damage to the workpiece, and is beneficial to practical application and operation.

[0011] Preferably, the rotating mechanism includes a motor, a worm, a rotating shaft, a worm wheel and a rotating plate, the rotating shaft is fixedly connected to the top of the base plate and is located between the movable plate 2 and the horizontal plate, the worm wheel is fixedly connected to the outer side of the bottom of the rotating shaft, the rotating plate is fixedly connected to the top of the rotating shaft, the two sides of the rotating plate are respectively in contact with the movable plate 2 and the horizontal plate, the top of the base plate and one side of the rotating shaft is fixedly connected with a support plate, the motor is fixedly connected to the outer side of the support plate, the output end of the motor passes through the support plate, the worm is fixedly connected to the output end of the motor, and the worm is meshingly connected to the worm wheel.

[0012] By adopting the above technical solution, the motor can drive the worm to rotate, and then the worm drives the worm wheel to rotate, so that the worm wheel drives the rotating shaft to rotate, and the rotating plate is driven to rotate through the rotating shaft.

[0013] Preferably, both ends of the bottom of the movable plate 1 and the movable plate 2 are fixedly connected with sliders, both sides of the top of the bottom plate are provided with sliding grooves used in conjunction with the sliders, the sliders are slidably connected to the corresponding sliding grooves, and the sliding grooves and sliders are both arranged as convex structures.

[0014] By adopting the above technical solution, the running tracks of the moving plate 1 and the moving plate 2 can be ensured by using the slider and the slide groove in coordination.

[0015] Preferably, the top of the bottom plate is fixedly connected to a U-shaped plate, the top of the U-shaped plate is fixedly installed with a hydraulic cylinder, the piston rod of the hydraulic cylinder extends to the inside of the U-shaped plate and is fixedly connected to a pressure plate, and a base is installed on the top of the bottom plate and directly below the pressure plate.

[0016] By adopting the above technical solution, the hydraulic cylinder can drive the pressing plate to move up and down, and the base can support the workpiece.

[0017] Preferably, arc-shaped grooves are formed at equal distances on the adjacent sides of the two clamping plates, and rubber pads are fixedly connected inside the arc-shaped grooves.

[0018] By adopting the above technical solution, the workpiece can be clamped more firmly by the arc-shaped groove, and the surface of the workpiece can be prevented from being scratched by the rubber pad.

[0019] Preferably, the hydraulic cylinder and the motor are both electrically connected to an external control device.

[0020] By adopting the above technical solution, the hydraulic cylinder and the motor can be controlled to work through an external control device.

[0021] (III) Beneficial effects

[0022] The present application provides a fixture holding mechanism, which has the following beneficial effects:

[0023] The fixture holding mechanism can reset the movable plate one and the movable plate two through the action of a spring, can ensure the running trajectory of the movable plate one and the movable plate two through two limit rods, can clamp the workpiece through the clamping plate, and is used to drive the movable plate one and the movable plate two to move toward each other through the rotating mechanism. The device can clamp workpieces of different sizes through the clamping plate, thereby ensuring that the workpiece is always in a vertical state, avoiding damage to the workpiece, and is beneficial to practical application and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram illustrating the present application.

[0025] Figure 2 This is a cross-sectional view illustrating the present application.

[0026] Figure 3 This is a schematic diagram of the structure of the movable plate 1, the clamping plate, the limit rod and the spring illustrated in this application.

[0027] Figure 4This is a schematic diagram of the structure of the worm wheel, worm and motor illustrated in this application.

[0028] In the figure: 1, bottom plate; 2, movable plate 1; 3, movable plate 2; 4, clamping plate; 5, base; 6, support plate; 7, motor; 8, worm; 9, rotating shaft; 10, worm gear; 11, rotating plate; 12, cross plate; 13, slider; 14, limit rod; 15, spring; 16, hydraulic cylinder; 17, U-shaped plate; 18, pressure plate; 19, arc groove. DETAILED DESCRIPTION

[0029] The present application is further described in detail below through drawings and examples.

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 , the embodiment of the present application provides a jig pressing mechanism, including a bottom plate 1, one end of the top of the bottom plate 1 is slidably connected to a movable plate 2, the top end of the bottom plate 1 away from the movable plate 2 is slidably connected to a movable plate 2 3, one end of the movable plate 2 is fixedly connected to two limiting rods 14, the end of the limiting rod 14 away from the movable plate 2 passes through the movable plate 2 3 and is fixedly connected to a cross plate 12, the movable plate 2 3 is slidably connected to the limiting rod 14, the outer side of the limiting rod 14 and between the movable plate 1 2 and the movable plate 2 3 are sleeved with a spring 15, the movable plate 2 and the movable plate 2 3 can be reset by the action of the spring 15, the side of the movable plate 2 and the movable plate 2 3 close to each other and between the two limiting rods 14 are fixedly connected with a clamping plate 4, the clamping plate 4 can be used to clamp the workpiece;

[0031] A rotating mechanism is provided at the top of the bottom plate 1 and at one side of the moving plate 2 3. The rotating mechanism is used to drive the moving plate 1 2 and the moving plate 2 3 to move toward each other. The rotating mechanism includes a motor 7, a worm 8, a rotating shaft 9, a worm wheel 10 and a rotating plate 11. The rotating shaft 9 is fixedly connected to the top of the bottom plate 1 and is located between the moving plate 2 3 and the cross plate 12. The worm wheel 10 is fixedly connected to the outside of the bottom of the rotating shaft 9. The rotating plate 11 is fixedly connected to the top of the rotating shaft 9. The two sides of the rotating plate 11 are respectively in conflict with the moving plate 2 3 and the cross plate 12. A supporting plate 6 is fixedly connected to the top of the bottom plate 1 and at one side of the rotating shaft 9. The motor 7 is fixedly connected to the outside of the supporting plate 6. The output end of the motor 7 passes through the supporting plate 6. The worm 8 is fixedly connected to the output end of the motor 7. The worm 8 is meshed with the worm wheel 10. The work of the motor 7 can drive the worm 8 to rotate, and then the worm 8 drives the worm wheel 10 to rotate, so that the worm wheel 10 drives the rotating shaft 9 to rotate, and the rotating plate 11 is driven to rotate through the rotating shaft 9.

[0032] The spring 15 can be used to reset the movable plate 1 2 and the movable plate 2 3, and the two limit rods 14 can ensure the running trajectory of the movable plate 1 2 and the movable plate 2 3. The clamping plate 4 can clamp the workpiece, and the rotating mechanism is used to drive the movable plate 1 2 and the movable plate 2 3 to move toward each other. The device can clamp workpieces of different sizes through the clamping plate 4, thereby ensuring that the workpiece is always in a vertical state, avoiding damage to the workpiece, and is beneficial to practical application and operation.

[0033] Reference Figure 1 and Figure 3 In one aspect of the present embodiment, both ends of the bottom of the moving plate 1 2 and the moving plate 2 3 are fixedly connected with sliders 13, and both sides of the top of the bottom plate 1 are provided with slide grooves used in conjunction with the sliders 13, and the sliders 13 are slidably connected with the corresponding slide grooves, and the slide grooves and the sliders 13 are both set as convex structures, and the running tracks of the moving plates 1 2 and 2 3 can be ensured by the cooperation of the sliders 13 and the slide grooves.

[0034] A U-shaped plate 17 is fixedly connected to the top of the bottom plate 1, and a hydraulic cylinder 16 is fixedly installed on the top of the U-shaped plate 17. The piston rod of the hydraulic cylinder 16 extends to the inside of the U-shaped plate 17 and is fixedly connected to a pressure plate 18. A base 5 is installed on the top of the bottom plate 1 and directly below the pressure plate 18. The hydraulic cylinder 16 can drive the pressure plate 18 to move up and down, and the base 5 can support the workpiece.

[0035] Arc grooves 19 are equidistantly formed on the adjacent sides of the two clamping plates 4, and rubber pads are fixedly connected to the inside of the arc grooves 19. The arc grooves 19 can clamp the workpiece more firmly, and the rubber pads can prevent the surface of the workpiece from being scratched.

[0036] Reference Figure 1 , Figure 2 and Figure 4 In one aspect of this embodiment, the hydraulic cylinder 16 and the motor 7 are both electrically connected to an external control device, and the hydraulic cylinder 16 and the motor 7 can be controlled to work by the external control device.

[0037] Working principle: When in use, first place it inside the groove on the top of the base 5, and then drive the worm 8 to rotate through the work of the motor 7, and then the worm 8 drives the worm wheel 10 to rotate, so that the worm wheel 10 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the rotating plate 11 to rotate. The rotation of the rotating plate 11 can drive the cross plate 12 to move left and right, and the movement of the cross plate 12 can drive the two limit rods 14 to move, thereby driving the moving plate 1 2 and the moving plate 2 3 to approach each other, and then the two clamping plates 4 are brought close to each other, and then the workpiece is clamped, and the spring 15 can reset the moving plate 1 2 and the moving plate 2 3. The device can clamp workpieces of different sizes through the clamping plate 4, thereby ensuring that the workpiece is always in a vertical state, avoiding damage to the workpiece, and is beneficial to practical application and operation.

[0038] Although the embodiments of the present application 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 application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A jig holding mechanism, comprising a bottom plate (1), characterized in that: One end of the top of the bottom plate (1) is slidably connected to a movable plate one (2), and one end of the top of the bottom plate (1) away from the movable plate one (2) is slidably connected to a movable plate two (3), one end of the movable plate one (2) is fixedly connected to two limit rods (14), and the end of the limit rod (14) away from the movable plate one (2) passes through the movable plate two (3) and is fixedly connected to a cross plate (12), the movable plate two (3) is slidably connected to the limit rod (14), a spring (15) is sleeved on the outer side of the limit rod (14) and located between the movable plate one (2) and the movable plate two (3), and a clamping plate (4) is fixedly connected to the side of the movable plate one (2) and the movable plate two (3) and located between the two limit rods (14); A rotating mechanism is provided on the top of the bottom plate (1) and on one side of the second moving plate (3), and the rotating mechanism is used to drive the first moving plate (2) and the second moving plate (3) to move towards each other.

2. A jig pressing mechanism according to claim 1, characterized in that: The rotating mechanism comprises a motor (7), a worm (8), a rotating shaft (9), a worm wheel (10) and a rotating plate (11); the rotating shaft (9) is fixedly connected to the top of the bottom plate (1) and is located between the second moving plate (3) and the horizontal plate (12); the worm wheel (10) is fixedly connected to the outer side of the bottom of the rotating shaft (9); the rotating plate (11) is fixedly connected to the top of the rotating shaft (9); the two sides of the rotating plate (11) respectively contact the second moving plate (3) and the horizontal plate (12); the top of the bottom plate (1) and one side of the rotating shaft (9) are fixedly connected with a support plate (6); the motor (7) is fixedly connected to the outer side of the support plate (6); the output end of the motor (7) passes through the support plate (6); the worm (8) is fixedly connected to the output end of the motor (7); the worm (8) is meshingly connected with the worm wheel (10).

3. The jig pressing mechanism according to claim 1, characterized in that: Both ends of the bottom of the movable plate 1 (2) and the movable plate 2 (3) are fixedly connected with a slider (13), and both sides of the top of the bottom plate (1) are provided with a slide groove for use with the slider (13), and the slider (13) is slidably connected with the corresponding slide groove, and the slide groove and the slider (13) are both arranged as a convex structure.

4. A jig holding mechanism according to claim 2, characterized in that: A U-shaped plate (17) is fixedly connected to the top of the bottom plate (1), a hydraulic cylinder (16) is fixedly installed on the top of the U-shaped plate (17), a piston rod of the hydraulic cylinder (16) extends to the inside of the U-shaped plate (17) and is fixedly connected to a pressure plate (18), and a base (5) is installed on the top of the bottom plate (1) and directly below the pressure plate (18).

5. The jig holding mechanism according to claim 1, characterized in that: Arc-shaped grooves (19) are equidistantly provided on the adjacent sides of the two clamping plates (4), and rubber pads are fixedly connected inside the arc-shaped grooves (19).

6. A jig holding mechanism according to claim 4, characterized in that: The hydraulic cylinder (16) and the motor (7) are both electrically connected to external control equipment.

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