Numerical control automatic workpiece press-fitting device

Abstract

The invention relates to the technical field of workpiece press fitting equipment, and discloses a numerical control automatic workpiece press fitting device which comprises a machining table, a guide rail is fixedly connected to the surface of the machining table, a motor is fixedly connected to the bottom of the machining table, a threaded rod is fixedly connected to the output end of the motor, and a containing table is fixedly connected to the surface of the machining table. By arranging the fixing mechanism, a workpiece is firstly put into the inner wall of a placement groove, then a motor is started to drive a threaded rod to rotate, when the threaded rod rotates, a lifting ring can move downwards, when the lifting ring moves, a bent rod can be driven to move downwards, and when the bent rod moves, a driven rod can be pulled to move downwards; when a driven rod moves, a sliding plate is pulled to slide on the surface of a guide rail in the direction of approaching to each other, when the sliding plate slides, a U-shaped plate is driven to move in the direction of approaching to each other, when the U-shaped plate moves, a right-angle plate is driven to move in the direction of approaching to each other, and when the right-angle plate moves, a fixing ring is pushed to move in the direction of approaching to each other.

Description

Technical Field

[0001] The invention relates to the technical field of workpiece pressing equipment, in particular to a numerically controlled automatic workpiece pressing device. Background Art

[0002] CNC press-fitting device is a kind of equipment used for precision press-fitting of parts and components. It is widely used in operations such as punching, stamping, straightening, riveting, bending, shearing and stretching of various materials.

[0003] Before the press-fitting device works, the workpiece needs to be placed on the placement table, and then the bottom of the workpiece needs to be fixed by a fixing device, and then another workpiece needs to be placed on the press-fitting plate, and then the two workpieces need to be processed to combine into one workpiece. However, the existing press-fitting device will generate a certain impact force when the two workpieces contact. Since the fixing device only fixes the bottom of the workpiece, the workpiece may tilt during the stamping process, which will cause the workpiece to fail to be pressed. When the workpiece fails to be pressed, it needs to be reworked, resulting in low press-fitting efficiency and adding a certain amount of labor to the workers. Summary of the invention

[0004] The purpose of the present invention is to provide a numerically controlled automated workpiece pressing device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a CNC automated workpiece pressing device, comprising a processing table, a guide rail is fixedly connected to the surface of the processing table, a motor is fixedly connected to the bottom of the processing table, a threaded rod is fixedly connected to the output end of the motor, a placing table is fixedly connected to the surface of the processing table, and further comprising: A fixing mechanism, the fixing mechanism comprising an extension ring, a surface of the extension ring is fixedly connected to an elastic sheet, and an end of the elastic sheet away from the extension ring is fixedly connected to a contact plate; A press-fitting mechanism, the press-fitting mechanism comprising a press-fitting plate, a clamping ring is fixedly connected to the bottom of the press-fitting plate, and a clamping groove is provided on the surface of the clamping ring; The reinforcement mechanism comprises a buffer elastic rod, and the end of the buffer elastic rod is fixedly connected with a reinforcement ring.

[0006] Furthermore, one end of the threaded rod away from the motor is rotatably connected to the bottom of the processing table, a placement groove is provided on the surface of the placement table, and the number of the guide rails is two, and the two guide rails are symmetrically distributed on the surface of the processing table.

[0007] Furthermore, the fixing mechanism includes a slide plate, the surface of the slide plate is rotatably connected to a driven rod, the end of the driven rod away from the slide plate is rotatably connected to a bent rod, the end of the bent rod away from the driven rod is fixedly connected to a lifting ring, the surface of the slide plate is fixedly connected to a U-shaped plate, the inside of the inner wall of the U-shaped plate is fixedly connected to a right-angle plate, and the end of the right-angle plate away from the U-shaped plate is fixedly connected to a fixing ring.

[0008] Furthermore, the inner wall of the slide plate is slidably connected to the surface of the guide rail, the inner wall of the lifting ring is threadedly connected to the surface of the threaded rod, an extension groove is provided on the surface of the fixed ring, the inner wall of the extension groove is slidably connected to the surface of the extension ring, there are four extension rings, and they are divided into two groups of two in each group, the four extension rings are symmetrically arranged with the placement table as the center, and the bottom of the fixed ring is in contact with the inner wall of the placement groove.

[0009] Furthermore, the pressing mechanism includes a support frame, sliding grooves are provided on both sides of the support frame, the inner walls of the sliding grooves are slidably connected to the sliding frames, the ends of the sliding frames are fixedly connected to the limiting elastic rods, the end of the sliding frame away from the limiting elastic rods is fixedly connected to the driven plate, the bottom of the sliding frame is rotatably connected to the pressing rod, and the top of the pressing plate is fixedly connected to the extending elastic rod.

[0010] Furthermore, one end of the lower pressure rod away from the lower pressure rod is rotatably connected to the top of the press plate, one end of the extended elastic rod away from the press plate is fixedly connected to the top of the inner wall of the support frame, one end of the driven plate away from the sliding frame is fixedly connected to the top of the U-shaped plate, and the number of the limiting elastic rods is set to two, and the two limiting elastic rods are symmetrically arranged with the support frame as the center.

[0011] Furthermore, the reinforcement mechanism includes a passive telescopic plate, both sides of which are fixedly connected with force-bearing elastic rods, the surface of the reinforcement ring is rotatably connected with a push plate, the end of the push plate away from the reinforcement ring is rotatably connected with a passive telescopic rod, and the top of the passive telescopic plate is fixedly connected with a driven frame.

[0012] Furthermore, one end of the buffer elastic rod away from the reinforcement ring is fixedly connected to the end of the passive telescopic plate, one end of the passive telescopic rod away from the push plate is fixedly connected to the top of the sliding frame, one end of the driven frame away from the passive telescopic plate is fixedly connected to the top of the press plate, and one end of the force-bearing elastic rod away from the passive telescopic plate is fixedly connected to the end of the U-shaped plate.

[0013] The present invention has the following beneficial effects: The present invention sets a fixing mechanism, firstly puts the workpiece into the inner wall of the placing groove, then starts the motor to drive the threaded rod to rotate, when the threaded rod rotates, the lifting ring will move downward, when the lifting ring moves, it will drive the bending rod to move downward, when the bending rod moves, it will pull the driven rod to move downward, when the driven rod moves, it will pull the slide plate to slide on the surface of the guide rail in the direction of approaching each other, when the slide plate slides, it will drive the U-shaped plate to move in the direction of approaching each other, when the U-shaped plate moves, it will drive the right-angle plate to move in the direction of approaching each other, when the right-angle plate moves, it will push the fixing ring to move in the direction of approaching each other, when the contact plate contacts the workpiece, it will squeeze the elastic sheet backward, when the elastic sheet is subjected to the squeezing force, it will push the extension ring on the inner wall of the extension groove in the direction of moving away from each other and extending outward in a circular shape, effectively fixing the lower surface of the workpiece, assisting in stabilizing the press-fitting, and can be extended by the extension ring, so as to fix workpieces of different circular diameters.

[0014] The present invention sets a pressing mechanism, firstly places another workpiece on the inner wall of the slot, and when the U-shaped plate moves, it drives the driven plate to move in a direction approaching each other, and when the driven plate moves, it drives the sliding frame to move in a direction approaching each other on the inner wall of the sliding slot, and when the sliding frame moves, it pushes the limiting elastic rod to shrink in a direction approaching each other, and when the limiting elastic rod shrinks into place, it limits the sliding frame to prevent the two sliding frames from contacting each other, and when the sliding frame moves, it pushes the lower pressing rod to move in a direction approaching each other, and when the lower pressing rod moves, it pushes the pressing plate to move downward, and when the pressing plate moves, it pulls the extending elastic rod to extend downward, and when the pressing plate moves, it pushes the clamping ring to move downward and contact with the end of the workpiece for press-fitting, so that the two workpieces can be quickly press-fitted, and it plays a stabilizing role when the pressing is performed downward by extending the elastic rod.

[0015] The present invention provides a reinforcement mechanism, when the press-fitting plate moves downward, it will drive the driven frame to move downward, when the driven frame moves, it will push the passive telescopic plate to shrink downward, when the passive telescopic plate shrinks downward, it will drive the buffer elastic rod to move downward, when the buffer elastic rod moves, it will drive the reinforcement ring to move downward, when the reinforcement ring moves, it will pull the passive telescopic rod to extend downward, when the sliding frame moves, it will drive the passive telescopic rod to move in a direction close to each other, when the passive telescopic rod moves, it will push the push plate to move in a direction close to each other, when the push plate moves, it will push the reinforcement ring to move in a direction close to each other and contact with the surfaces of the two workpieces, when the reinforcement ring moves, it will pull the buffer elastic rod to extend in a direction close to each other, effectively playing a more stable role when press-fitting the two workpieces, and preventing shaking during the stamping process from causing press-fitting failure.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the threaded rod structure of the present invention; Figure 4 It is a schematic diagram of the overall structure of the fixing mechanism of the present invention; Figure 5 It is a schematic diagram of the bending rod structure of the present invention; Figure 6 It is a schematic diagram of the overall structure of the press-fitting mechanism of the present invention; Figure 7 This is a schematic diagram of the structure of the clamp ring of the present invention; Figure 8 It is a schematic diagram of the overall structure of the reinforcement mechanism of the present invention; Fig. 9 It is a schematic diagram of the reinforcement ring structure of the present invention.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. processing table; 2. guide rail; 3. motor; 4. threaded rod; 5. placing table; 10. fixing mechanism; 11. slide plate; 12. driven rod; 13. bending rod; 14. lifting ring; 15. U-shaped plate; 16. right-angle plate; 17. fixing ring; 18. extension ring; 19. elastic sheet; 20. contact plate; 30. pressing mechanism; 31. supporting frame; 32. sliding frame; 33. limiting elastic rod; 34. driven plate; 35. pressing rod; 36. pressing plate; 37. snap ring; 38. extension elastic rod; 50. reinforcement mechanism; 51. passive telescopic plate; 52. force-bearing elastic rod; 53. buffer elastic rod; 54. reinforcement ring; 55. push plate; 56. passive telescopic rod; 57. driven frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 9 As shown, the present invention is a CNC automated workpiece pressing device, comprising a processing table 1, a guide rail 2 is fixedly connected to the surface of the processing table 1, a motor 3 is fixedly connected to the bottom of the processing table 1, a threaded rod 4 is fixedly connected to the output end of the motor 3, a placing table 5 is fixedly connected to the surface of the processing table 1, and further comprising; The fixing mechanism 10 includes an extension ring 18, and an elastic sheet 19 is fixedly connected to the surface of the extension ring 18. When the elastic sheet 19 is subjected to a squeezing force, the extension ring 18 is pushed to extend outward in a circular shape in a direction away from each other on the inner wall of the extension groove. One end of the elastic sheet 19 away from the extension ring 18 is fixedly connected to a contact plate 20. When the contact plate 20 contacts the workpiece, the elastic sheet 19 is squeezed backward; The pressing mechanism 30 includes a pressing plate 36. When the lower pressing rod 35 moves, the pressing plate 36 is pushed to move downward. A snap ring 37 is fixedly connected to the bottom of the pressing plate 36. When the pressing plate 36 moves, the snap ring 37 is pushed to move downward. A snap groove is provided on the surface of the snap ring 37. The reinforcement mechanism 50 includes a buffer elastic rod 53. When the reinforcement ring 54 moves, the buffer elastic rod 53 will be pulled to extend in a direction approaching each other. When the passive telescopic plate 51 contracts downward, the buffer elastic rod 53 will be driven to move downward. The end of the buffer elastic rod 53 is fixedly connected with the reinforcement ring 54. When the buffer elastic rod 53 moves, the reinforcement ring 54 will be driven to move downward. When the push plate 55 moves, the reinforcement ring 54 will be pushed to move in a direction approaching each other and contact the surfaces of the two workpieces.

[0022] One end of the threaded rod 4 away from the motor 3 is rotatably connected to the bottom of the processing table 1 , a placement groove is provided on the surface of the placement table 5 , and there are two guide rails 2 symmetrically distributed on the surface of the processing table 1 .

[0023] The fixing mechanism 10 includes a slide plate 11. When the driven rod 12 moves, the slide plate 11 will be pulled to slide on the surface of the guide rail 2 in the direction of approaching each other. The surface of the slide plate 11 is rotatably connected with the driven rod 12. When the bent rod 13 moves, the driven rod 12 will be pulled to move downward. The end of the driven rod 12 away from the slide plate 11 is rotatably connected with the bent rod 13. When the lifting ring 14 moves, the bent rod 13 will be driven to move downward. The end of the bent rod 13 away from the driven rod 12 is fixedly connected with the lifting ring 14. First, put the workpiece into the inner wall of the placement groove, and then start the motor 3 to drive the threaded rod 4 to rotate. When the threaded rod 4 rotates When the slide plate 11 is in the upward direction, the lifting ring 14 will move downward, and the surface of the slide plate 11 is fixedly connected with a U-shaped plate 15. When the slide plate 11 slides, the U-shaped plate 15 will be driven to move towards each other. The inner wall of the U-shaped plate 15 is fixedly connected with a right-angle plate 16. When the U-shaped plate 15 moves, the right-angle plate 16 will be driven to move towards each other. The end of the right-angle plate 16 away from the U-shaped plate 15 is fixedly connected with a fixing ring 17, which effectively fixes the lower surface of the workpiece, assists in stabilizing the workpiece during press-fitting, and can be extended through the extension ring 18 to fix workpieces of different circular diameters.

[0024] The inner wall of the slide plate 11 is slidably connected to the surface of the guide rail 2, the inner wall of the lifting ring 14 is threadedly connected to the surface of the threaded rod 4, and an extension groove is provided on the surface of the fixed ring 17. When the right-angle plate 16 moves, it will push the fixed ring 17 to move in a direction close to each other. The inner wall of the extension groove is slidably connected to the surface of the extension ring 18. There are four extension rings 18, which are divided into two groups of two in each group. The four extension rings 18 are symmetrically arranged with the placement table 5 as the center, and the bottom of the fixed ring 17 contacts the inner wall of the placement groove.

[0025] The pressing mechanism 30 includes a support frame 31, and sliding grooves are provided on both sides of the support frame 31. The inner wall of the sliding groove is slidably connected to a sliding frame 32. When the driven plate 34 moves, it will drive the sliding frame 32 to move in the direction of approaching each other on the inner wall of the sliding groove, and when the driven plate 34 moves, it will drive the sliding frame 32 to move in the direction of approaching each other on the inner wall of the sliding groove, so that the two workpieces can be quickly pressed together, and the extended elastic rod 38 plays a stabilizing role when pressing downward.

[0026] The end of the lower pressure rod 35 away from the lower pressure rod 35 is rotatably connected to the top of the pressing plate 36, the end of the extended elastic rod 38 away from the pressing plate 36 is fixedly connected to the top of the inner wall of the support frame 31, and the end of the driven plate 34 away from the sliding frame 32 is fixedly connected to the top of the U-shaped plate 15. There are two limiting elastic rods 33. When the sliding frame 32 moves, it will push the limiting elastic rods 33 to shrink in the direction of approaching each other. When the limiting elastic rods 33 shrink into place, they will limit the sliding frame 32 to prevent the two sliding frames 32 from contacting each other. The two limiting elastic rods 33 are symmetrically arranged with the support frame 31 as the center.

[0027] The reinforcement mechanism 50 includes a passive telescopic plate 51. When the driven frame 57 moves, it will push the passive telescopic plate 51 downward to retract. The two sides of the passive telescopic plate 51 are fixedly connected with force-bearing elastic rods 52. The surface of the reinforcement ring 54 is rotatably connected with a push plate 55. When the passive telescopic rod 56 moves, it will push the push plate 55 to move in a direction close to each other. The end of the push plate 55 away from the reinforcement ring 54 is rotatably connected with the passive telescopic rod 56. When the reinforcement ring 54 moves, it will pull the passive telescopic rod 56 to extend downward. The top of the passive telescopic plate 51 is fixedly connected with a driven frame 57. When the press-fitting plate 36 moves downward, it will drive the driven frame 57 to move downward, which effectively plays a more stable role in the press-fitting of the two workpieces and prevents shaking during the stamping process, thereby causing press-fitting failure.

[0028] One end of the buffer elastic rod 53 away from the reinforcement ring 54 is fixedly connected to the end of the passive telescopic plate 51, and one end of the passive telescopic rod 56 away from the push plate 55 is fixedly connected to the top of the sliding frame 32. When the sliding frame 32 moves, it will drive the passive telescopic rod 56 to move in a direction close to each other. The end of the driven frame 57 away from the passive telescopic plate 51 is fixedly connected to the top of the press plate 36, and the end of the force-bearing elastic rod 52 away from the passive telescopic plate 51 is fixedly connected to the end of the U-shaped plate 15.

[0029] When in use, first put the workpiece into the inner wall of the placement groove, then start the motor 3 to drive the threaded rod 4 to rotate, when the threaded rod 4 rotates, the lifting ring 14 will move downward, when the lifting ring 14 moves, it will drive the bending rod 13 to move downward, when the bending rod 13 moves, it will pull the driven rod 12 to move downward, when the driven rod 12 moves, it will pull the slide plate 11 to slide on the surface of the guide rail 2 in the direction of approaching each other, when the slide plate 11 slides, it will drive the U-shaped plate 15 to move in the direction of approaching each other, when the U-shaped plate 15 moves, it will drive the right-angle plate 16 to move in the direction of approaching each other, and when the right-angle plate 16 moves, it will push The fixing ring 17 moves in the direction of approaching each other. When the contact plate 20 contacts the workpiece, it will squeeze the elastic sheet 19 backward. When the elastic sheet 19 is squeezed, it will push the extension ring 18 on the inner wall of the extension groove in the direction of moving away from each other and extending outward in a circular shape. First, another workpiece is placed on the inner wall of the slot. When the U-shaped plate 15 moves, it will drive the driven plate 34 to move in the direction of approaching each other. When the driven plate 34 moves, it will drive the sliding frame 32 to move in the inner wall of the sliding groove in the direction of approaching each other. When the sliding frame 32 moves, it will push the limiting elastic rod 33 to shrink in the direction of approaching each other. When the limiting elastic rod 33 is moved, the limiting elastic rod 33 is moved. When the rod 33 is retracted into place, the sliding frame 32 will be limited to prevent the two sliding frames 32 from contacting each other. When the sliding frame 32 moves, it will push the lower pressing rod 35 to move in the direction of approaching each other. When the lower pressing rod 35 moves, it will push the pressing plate 36 to move downward. When the pressing plate 36 moves, it will pull the extension elastic rod 38 to extend downward. When the pressing plate 36 moves, it will push the clamping ring 37 to move downward and contact with the end of the workpiece for press-fitting. When the pressing plate 36 moves downward, it will drive the driven frame 57 to move downward. When the driven frame 57 moves, it will push the passive telescopic plate 51 to retract downward. When the retracting plate 51 contracts downward, it will drive the buffer elastic rod 53 to move downward. When the buffer elastic rod 53 moves, it will drive the reinforcement ring 54 to move downward. When the reinforcement ring 54 moves, it will pull the passive telescopic rod 56 to extend downward. When the sliding frame 32 moves, it will drive the passive telescopic rod 56 to move in a direction close to each other. When the passive telescopic rod 56 moves, it will push the push plate 55 to move in a direction close to each other. When the push plate 55 moves, it will push the reinforcement ring 54 to move in a direction close to each other and contact the surfaces of the two workpieces. When the reinforcement ring 54 moves, it will pull the buffer elastic rod 53 to extend in a direction close to each other.

[0030] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A numerical control automated workpiece pressing device, comprising a processing table (1), a guide rail (2) fixedly connected to the surface of the processing table (1), a motor (3) fixedly connected to the bottom of the processing table (1), a threaded rod (4) fixedly connected to the output end of the motor (3), and a placement table (5) fixedly connected to the surface of the processing table (1), characterized in that: Also includes; A fixing mechanism (10), the fixing mechanism (10) comprising an extension ring (18), a surface of the extension ring (18) being fixedly connected to an elastic sheet (19), and an end of the elastic sheet (19) away from the extension ring (18) being fixedly connected to a contact plate (20); A press-fitting mechanism (30), the press-fitting mechanism (30) comprising a press-fitting plate (36), a clamping ring (37) being fixedly connected to the bottom of the press-fitting plate (36), and a clamping groove being provided on the surface of the clamping ring (37); A reinforcement mechanism (50), the reinforcement mechanism (50) comprising a buffer elastic rod (53), the end of the buffer elastic rod (53) being fixedly connected to a reinforcement ring (54).

2. A CNC automated workpiece pressing device according to claim 1, characterized in that: One end of the threaded rod (4) away from the motor (3) is rotatably connected to the bottom of the processing table (1), a placement groove is provided on the surface of the placement table (5), and the number of the guide rails (2) is two, and the two guide rails (2) are symmetrically distributed on the surface of the processing table (1).

3. A numerically controlled automated workpiece pressing device according to claim 2, characterized in that: The fixing mechanism (10) comprises a slide plate (11), the surface of the slide plate (11) is rotatably connected to a driven rod (12), one end of the driven rod (12) away from the slide plate (11) is rotatably connected to a bent rod (13), one end of the bent rod (13) away from the driven rod (12) is fixedly connected to a lifting ring (14), the surface of the slide plate (11) is fixedly connected to a U-shaped plate (15), the inner wall of the U-shaped plate (15) is fixedly connected to a right-angle plate (16), and one end of the right-angle plate (16) away from the U-shaped plate (15) is fixedly connected to a fixing ring (17).

4. A numerically controlled automated workpiece pressing device according to claim 3, characterized in that: The inner wall of the slide plate (11) is slidably connected to the surface of the guide rail (2), the inner wall of the lifting ring (14) is threadedly connected to the surface of the threaded rod (4), the surface of the fixed ring (17) is provided with an extension groove, the inner wall of the extension groove is slidably connected to the surface of the extension ring (18), the number of the extension rings (18) is four, and they are divided into two groups, each group has two, the four extension rings (18) are symmetrically arranged with the placement table (5) as the center, and the bottom of the fixed ring (17) contacts the inner wall of the placement groove.

5. The CNC automated workpiece pressing device according to claim 4, characterized in that: The press-fitting mechanism (30) comprises a support frame (31), two sides of the support frame (31) are provided with sliding grooves, the inner walls of the sliding grooves are slidably connected to a sliding frame (32), the end of the sliding frame (32) is fixedly connected to a limiting elastic rod (33), one end of the sliding frame (32) away from the limiting elastic rod (33) is fixedly connected to a driven plate (34), the bottom of the sliding frame (32) is rotatably connected to a pressing rod (35), and the top of the press-fitting plate (36) is fixedly connected to an extending elastic rod (38).

6. A numerically controlled automated workpiece pressing device according to claim 5, characterized in that: One end of the lower pressing rod (35) away from the lower pressing rod (35) is rotatably connected to the top of the pressing plate (36), one end of the extending elastic rod (38) away from the pressing plate (36) is fixedly connected to the top of the inner wall of the support frame (31), and one end of the driven plate (34) away from the sliding frame (32) is fixedly connected to the top of the U-shaped plate (15). There are two limiting elastic rods (33), and the two limiting elastic rods (33) are symmetrically arranged with the support frame (31) as the center.

7. A numerically controlled automated workpiece pressing device according to claim 6, characterized in that: The reinforcement mechanism (50) comprises a passive telescopic plate (51), with stressed elastic rods (52) fixedly connected to both sides of the passive telescopic plate (51), a push plate (55) rotatably connected to the surface of the reinforcement ring (54), an end of the push plate (55) away from the reinforcement ring (54) rotatably connected to a passive telescopic rod (56), and a driven frame (57) fixedly connected to the top of the passive telescopic plate (51).

8. The CNC automated workpiece pressing device according to claim 7, characterized in that: One end of the buffer elastic rod (53) away from the reinforcement ring (54) is fixedly connected to the end of the passive telescopic plate (51), one end of the passive telescopic rod (56) away from the push plate (55) is fixedly connected to the top of the sliding frame (32), one end of the driven frame (57) away from the passive telescopic plate (51) is fixedly connected to the top of the pressing plate (36), and one end of the force-bearing elastic rod (52) away from the passive telescopic plate (51) is fixedly connected to the end of the U-shaped plate (15).

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