Automatic clamp

Abstract

The utility model relates to the technical field of automation, in particular to an automatic clamp. The device comprises a base and a cavity cover fixed to the top of the base, a fixing mechanism is assembled between the cavity cover and the base, the fixing mechanism is used for fixing a workpiece and comprises a motor, two bearing seats, a shaft rod, a worm and a transmission assembly, the motor is fixed to one side of the base, the two bearing seats are fixed to the outer side of the cavity cover, and the shaft rod is fixed to the other side of the base. And the bearing seats are fixed with the base. By means of the structural design of the fixing mechanism and the quick connecting mechanism, the device achieves flexibility and high efficiency when objects in different shapes are clamped, the fixing mechanism can be tightly attached to and firmly fix the objects in the different shapes, and the quick connecting mechanism allows an operator to clamp the objects in the different shapes on the premise that the original structure is not damaged. The clamping heads in different shapes can be rapidly replaced to meet the clamping requirements of different objects, and the clamping stability and safety are remarkably improved.

Description

Technical Field

[0001] The utility model relates to the field of automation technology, in particular to an automation clamp. Background Art

[0002] A fixture is a device used in the manufacturing process to stabilize a workpiece and ensure it is in the correct position for construction or testing. Often referred to as a jig, it is also called a fixture. Broadly speaking, any device that can hold a workpiece in place at any stage of the manufacturing process can be considered a fixture.

[0003] For example, an automated fixture with the publication (announcement) number CN216730712U relates to the field of fixtures and solves the problem that current fixtures are all manually clamped and fixed to workpieces, which is very inconvenient, consumes a lot of manpower and time, has low work efficiency, and is relatively cumbersome to use. Technical features include: a support seat, which is used to support the automated fixture; a fixed structure, which is placed on the side surface of the support seat and is used for fixing; a lifting structure, which is placed on the upper surface of the support seat and is used for lifting and adjusting; a support structure, which is placed on the lifting structure and is used for supporting;

[0004] In summary, the following technical problems exist in the prior art: Although the prior art can clamp the workpiece during use, the clamping plate is not easy to replace, resulting in insufficient flexibility when clamping objects of different shapes, especially when directly clamping a workpiece that is a rotating body, it is easy to cause slippage. For this reason, we propose an automated clamp. Utility Model Content

[0005] The purpose of the present invention is to provide an automated clamp to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] An automated fixture comprises a base and a cavity cover fixed to the top of the base, a fixing mechanism being assembled between the cavity cover and the base, the fixing mechanism being used to fix a workpiece, the fixing mechanism comprising a motor, a bearing seat, a shaft, a worm and a transmission assembly, a motor being fixed to one side of the base, two bearing seats being fixed to the outside of the cavity cover, the bearing seats being fixed to the base, a shaft being rotatably connected between the two bearing seats, the output end of the motor being fixed to the shaft, a worm being fixed to the outside of the shaft, and a transmission assembly being assembled to the outside of the worm.

[0008] Preferably, the transmission assembly includes a bearing column, a worm gear, a transmission disc and a chuck. The bearing column is rotatably connected at the center of the circle on the top of the base. A worm gear is fixed to the outside of the bearing column. The worm gear is meshed with the worm. A transmission disc is fixed to the top of the bearing column. The transmission disc is gap-matched with the inner side of the cavity cover. A plurality of chucks are evenly distributed on the top of the cavity cover.

[0009] Preferably, a plurality of guide bevel grooves are uniformly distributed on the top of the transmission disc, a slider is slidably connected to the inner side of each of the guide bevel grooves, and a matching cylinder is fixed to the top of each of the sliders.

[0010] Preferably, the top of the mating cylinder is rotatably connected to an anti-slip strip, the top of the cavity cover is provided with a plurality of anti-slip grooves, the anti-slip grooves are connected to the inner side of the cavity cover, the anti-slip grooves are slidably connected to the anti-slip strip, the top of the anti-slip strip is fixed with a mounting seat, and the mounting seat is assembled and connected to the chuck.

[0011] Preferably, a quick-connect mechanism is assembled between the mounting seat and the chuck, and the quick-connect mechanism is used to connect the mounting seat and the chuck.

[0012] Preferably, the quick-connect mechanism includes a face groove, a wedge-shaped groove and a pin plug. The top of the mounting seat is provided with a face groove corresponding to the position of the chuck, and the face groove is slidably connected to the chuck. A wedge-shaped groove is provided on one side of the mounting seat near the face groove, and the wedge groove is connected to the face groove. The inner side of the wedge-shaped groove is slidably connected with a pin plug. A notch corresponding to the position of the pin plug is provided on one side of the chuck, and the notch is slidably connected to the pin plug.

[0013] Preferably, the quick-connect mechanism also includes a through slot and a limiting ball. A through slot is provided on the inner side of the pin insert, and two limiting balls are installed at both ends of the inner side of the through slot. Recesses corresponding to the positions of the limiting balls are provided on both sides of the inside of the wedge-shaped slot, and the recesses are slidably connected to the limiting balls. The limiting balls are loosely matched with the through slot, and springs are fixed at both ends of the limiting ball, and one end of the spring is fixed to the through slot.

[0014] It can be seen without a doubt that the above-mentioned technical solution of this application can definitely solve the technical problem to be solved by this application.

[0015] At the same time, through the above technical solutions, the present invention has at least the following beneficial effects:

[0016] The utility model realizes flexibility and high efficiency in clamping objects of different shapes through the structural design of the fixing mechanism and the quick-connect mechanism. The fixing mechanism can closely fit and firmly fix objects of various shapes, while the quick-connect mechanism allows the operator to quickly replace the chucks of different shapes without destroying the original structure to adapt to the clamping requirements of different objects, thereby significantly improving the stability and safety of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the base and the motor of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the mounting base and the surface groove of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-section structure of the mounting base of the present invention;

[0022] Figure 5 It is a schematic diagram of the connection structure of the through groove and the limiting ball of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] In the figure: 1. Base; 2. Cavity cover; 3. Motor; 4. Bearing seat; 5. Shaft; 6. Worm; 7. Load-bearing column; 8. Worm gear; 9. Transmission plate; 10. Guide bevel; 11. Slider; 12. Matching cylinder; 13. Anti-slip groove; 14. Anti-slip strip; 15. Mounting seat; 16. Chuck; 17. Surface groove; 18. Wedge groove; 19. Pin; 20. Through groove; 21. Limiting ball. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] Example 1

[0027] Reference Figure 1-4, an automated fixture, including a base 1, and a cavity cover 2 fixed on the top of the base 1, a fixing mechanism is installed between the cavity cover 2 and the base 1, the fixing mechanism is used to fix the workpiece, the fixing mechanism includes a motor 3, a bearing seat 4, a shaft 5, a worm 6 and a transmission assembly, a motor 3 is fixed on one side of the base 1, two bearing seats 4 are fixed on the outside of the cavity cover 2, the bearing seats 4 are fixed to the base 1, a shaft 5 is rotatably connected between the two bearing seats 4, the output end of the motor 3 is fixed to the shaft 5, a worm 6 is fixed on the outside of the shaft 5, and a transmission assembly is installed on the outside of the worm 6. In actual use, the motor 3 is an MSMA series servo motor, and is equipped with a PLF planetary reducer and an A5 series servo controller, which can be purchased on the market and belongs to the existing technology well known to professional and technical personnel in this field.

[0028] The transmission assembly includes a bearing column 7, a worm gear 8, a transmission disc 9 and a chuck 16. The bearing column 7 is rotatably connected to the center of the top of the base 1. A worm gear 8 is fixed to the outside of the bearing column 7. The worm gear 8 is meshed with the worm 6. The transmission disc 9 is fixed to the top of the bearing column 7. The transmission disc 9 is gap-fitted with the inner side of the cavity cover 2. A plurality of chucks 16 are evenly distributed on the top of the cavity cover 2. The top of the chuck 16 is a clamping part and the bottom is a fitting part. The shape of the clamping part is arc, rectangular or other special shapes.

[0029] A plurality of guide bevels 10 are evenly distributed on the top of the transmission disk 9, and sliders 11 are slidably connected to the inner sides of the guide bevels 10. Matching cylinders 12 are fixed on the tops of the sliders 11. When the transmission disk 9 rotates, the guide bevels 10 can push the sliders 11 to move, and then the matching cylinders 12 drive the anti-slip strips 14 to move.

[0030] The top of the mating cylinder 12 is rotatably connected with an anti-slip strip 14, and the top of the cavity cover 2 is evenly distributed with a plurality of anti-slip grooves 13, which are connected to the inner side of the cavity cover 2, and the anti-slip grooves 13 are slidably connected to the anti-slip strip 14. The top of the anti-slip strip 14 is fixed with a mounting seat 15, and the mounting seat 15 is assembled and connected with the chuck 16. The setting of the anti-slip groove 13 can provide guidance and limiting functions for the movement of the anti-slip strip 14.

[0031] A quick-connect mechanism is assembled between the mounting seat 15 and the chuck 16 , and the quick-connect mechanism is used to connect the mounting seat 15 and the chuck 16 .

[0032] The quick-connect mechanism includes a surface groove 17, a wedge-shaped groove 18 and a pin plug 19. The top of the mounting seat 15 is provided with a surface groove 17 corresponding to the position of the chuck 16, and the surface groove 17 is slidably connected to the chuck 16. A wedge-shaped groove 18 is provided on one side of the mounting seat 15 and close to the surface groove 17. The wedge groove 18 is communicated with the surface groove 17, and the inner side of the wedge groove 18 is slidably connected with a pin plug 19. A notch corresponding to the position of the pin plug 19 is provided on one side of the chuck 16, and the notch is slidably connected to the pin plug 19. When a chuck 16 of a different specification needs to be replaced, the pin plug 19 is pulled to separate the pin plug 19 from the notch, and then the chuck 16 is pulled out and replaced with a new chuck 16. The chuck 16 is inserted into the surface groove 17 again, and finally the pin plug 19 is connected to the notch to complete the replacement.

[0033] Example 2

[0034] Further optimize Example 1, specifically, Figure 5 As shown, the quick-connect mechanism also includes a through slot 20 and a limiting ball 21. The inner side of the pin plug 19 is provided with a through slot 20, and both ends of the inner side of the through slot 20 are equipped with two limiting balls 21. Both sides of the inside of the wedge-shaped groove 18 are provided with depressions corresponding to the positions of the limiting balls 21. The depressions are slidably connected to the limiting balls 21, and the limiting balls 21 are clearance-matched with the through slot 20. Both ends of the limiting balls 21 are fixed with springs, and one end of the springs is fixed with the through slot 20. When the bottom of the chuck 16 is inserted into the surface groove 17, the pin plug 19 is inserted into the wedge groove 18. When the limiting ball 21 contacts the wedge groove 18, since the limiting ball 21 is spherical, it can push the limiting ball 21 to retract into the through slot 20. At the same time, the spring is deformed. When the limiting ball 21 contacts the depression, the spring rebounds, connecting the limiting ball 21 with the depression, completing the auxiliary limiting of the pin plug 19.

[0035] From the above, we can know that:

[0036] The present invention addresses the following technical issues: While the existing technology can achieve workpiece clamping during use, the clamping plate is difficult to replace, resulting in insufficient flexibility when clamping objects of different shapes. This is especially true when directly clamping a rotating workpiece, which can easily cause slippage. The present invention adopts the technical solutions of the above embodiments. Furthermore, the implementation process of the above technical solutions is as follows:

[0037] Move the device to the designated area, and then electrically connect the device to the external power supply. When the workpiece needs to be clamped, place the workpiece at the center of the top of the cavity cover 2, and then start the motor 3. The output end of the motor 3 drives the shaft 5 and the worm 6 to rotate, so that the worm 6 engages the worm gear 8 to rotate. Because the supporting column 7 is fixed to the worm gear 8, the supporting column 7 is fixed to the transmission disk 9, and the guide bevel 10 and the slider 11 are slidably connected, the matching cylinder 12 is rotatably connected to the anti-slip bar 14, and the anti-slip bar 14 and the anti-slip groove 13 are slidably connected, so when the transmission disk 9 rotates, the slider 11 can be pushed to move through the guide bevel 10, and then the matching cylinder 12 drives the anti-slip bar 14 to move along the inside of the anti-slip groove 13, so that multiple mounting seats 15 drive the chuck 16 to move in the direction close to the workpiece until multiple chucks 16 clamp the workpiece.

[0038] Through the above configuration, this application can certainly solve the above technical problems and achieve the following technical effects:

[0039] The utility model realizes flexibility and high efficiency in clamping objects of different shapes through the structural design of the fixing mechanism and the quick-connect mechanism. The fixing mechanism can closely fit and firmly fix objects of various shapes, while the quick-connect mechanism allows the operator to quickly replace the chuck 16 of different shapes without destroying the original structure to adapt to the clamping requirements of different objects, thereby significantly improving the stability and safety of clamping.

[0040] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0041] Obviously, the embodiments described above are only some of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the present invention patent.

Claims

1. An automated fixture, characterized in that: The invention comprises a base (1) and a cavity cover (2) fixed on the top of the base (1); a fixing mechanism is assembled between the cavity cover (2) and the base (1); the fixing mechanism is used to fix the workpiece; the fixing mechanism comprises a motor (3), a bearing seat (4), a shaft (5), a worm (6) and a transmission assembly; a motor (3) is fixed on one side of the base (1); two bearing seats (4) are fixed on the outer side of the cavity cover (2); the bearing seats (4) are fixed to the base (1); a shaft (5) is rotatably connected between the two bearing seats (4); the output end of the motor (3) is fixed to the shaft (5); a worm (6) is fixed on the outer side of the shaft (5); and a transmission assembly is assembled on the outer side of the worm (6).

2. The automated fixture according to claim 1, characterized in that: The transmission assembly comprises a bearing column (7), a worm wheel (8), a transmission disc (9) and a chuck (16); the bearing column (7) is rotatably connected at the center of the top of the base (1); a worm wheel (8) is fixed to the outside of the bearing column (7); the worm wheel (8) is meshed with the worm (6); a transmission disc (9) is fixed to the top of the bearing column (7); the transmission disc (9) is clearance-matched with the inner side of the cavity cover (2); and a plurality of chucks (16) are evenly distributed on the top of the cavity cover (2).

3. The automated fixture according to claim 2, characterized in that: A plurality of guide inclined grooves (10) are evenly distributed on the top of the transmission disc (9), the inner sides of the guide inclined grooves (10) are slidably connected with sliders (11), and the tops of the sliders (11) are fixed with matching cylinders (12).

4. The automated fixture according to claim 3, characterized in that: The top of the matching cylinder (12) is rotatably connected to an anti-slip strip (14), the top of the cavity cover (2) is evenly provided with a plurality of anti-slip grooves (13), the anti-slip grooves (13) are all communicated with the inner side of the cavity cover (2), the anti-slip grooves (13) are slidably connected to the anti-slip strip (14), the top of the anti-slip strip (14) is fixed with a mounting seat (15), and the mounting seat (15) is assembled and connected with the clamp (16).

5. The automated fixture according to claim 4, characterized in that: A quick-connect mechanism is assembled between the mounting seat (15) and the clamp (16), and the quick-connect mechanism is used for connecting the mounting seat (15) and the clamp (16).

6. The automated fixture according to claim 5, characterized in that: The quick-connect mechanism comprises a surface groove (17), a wedge-shaped groove (18) and a pin plug (19); the top of the mounting seat (15) is provided with a surface groove (17) corresponding to the position of the chuck (16); the surface groove (17) is slidably connected to the chuck (16); a wedge-shaped groove (18) is provided on one side of the mounting seat (15) and close to the surface groove (17); the wedge-shaped groove (18) is communicated with the surface groove (17); the inner side of the wedge-shaped groove (18) is slidably connected to the pin plug (19); a notch is provided on one side of the chuck (16) corresponding to the position of the pin plug (19); the notch is slidably connected to the pin plug (19).

7. The automated fixture according to claim 6, characterized in that: The quick-connect mechanism also includes a through slot (20) and a limiting ball (21). The inner side of the pin plug (19) is provided with a through slot (20). Two limiting balls (21) are assembled at both ends of the inner side of the through slot (20). Both sides of the inside of the wedge-shaped slot (18) are provided with depressions corresponding to the positions of the limiting balls (21). The depressions are slidably connected to the limiting balls (21). The limiting balls (21) are clearance-matched with the through slot (20). Springs are fixed at both ends of the limiting ball (21), and one end of the spring is fixed to the through slot (20).

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