Electric cylinder with buffering effect

Abstract

The utility model discloses an electric cylinder with a buffering effect, which relates to the technical field of electric cylinders and comprises a bearing base, an electric cylinder frame and a servo motor are arranged at the upper end of the bearing base, a top rack is arranged above the servo motor, and the top rack and the bearing base are of an integral structure. The top shaft is arranged at the upper end of the electric cylinder frame, the top shaft is in transmission connection with a threaded lead screw in the electric cylinder frame, a top end block is arranged at the upper end of the top shaft, a damping shock absorber is welded to the upper end of the top end block, and a top supporting disc is welded to the upper end of the damping shock absorber; and the inner grooves are formed in the outer walls of the two sides of the electric cylinder frame, the number of the inner grooves is four, and guide connecting rods are arranged in the inner grooves, so that the problems that an existing electric cylinder conducts buffering treatment through a spring structure arranged at the bottom, but a buffering structure arranged at the bottom cannot conduct buffering protection on the position of a top shaft of the electric cylinder, and the service life of the electric cylinder is prolonged are solved. And the top shaft cannot stretch out and draw back freely due to the compression deformation of the top shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cylinders, in particular to an electric cylinder with a buffering effect. Background Art

[0002] Electric cylinders are products designed for continuous motion, low to high loads, and can be used multiple times in their service life. Electric cylinders require buffering during use.

[0003] For example, the announcement number is: CN217328266U (named an electric cylinder with a buffering effect), which includes a body and a shock-absorbing component for improving the buffering effect of the body, the shock-absorbing component includes a base arranged on one side of the body, a protective frame sleeved on the outside of the base, two first sliding grooves opened on one side of the base, two second sliding grooves opened on one side of the protective frame, a first sliding block arranged on one side of the first sliding groove, a second sliding block arranged on one side of the second sliding groove, a first fixing frame arranged on one side of the first sliding block, a second fixing frame arranged on one side of the second sliding block, a first support rod arranged on one side of the first fixing frame, a second support rod arranged on one side of the second fixing frame, and two first support rods arranged on one side of the first support frame. The cam is connected to the second support frame by the spring, and the cam is connected to the first support frame by the spring, so that the cam can slide in the sliding groove and slide back to the first support frame.

[0004] The above-mentioned electric cylinder is buffered by a spring structure arranged at the bottom, but the buffer structure at the bottom cannot buffer and protect the top shaft position of the electric cylinder, causing the top shaft to be compressed and deformed, resulting in the problem that it cannot freely extend and retract. For this reason, we provide an electric cylinder with a buffering effect. Utility Model Content

[0005] The purpose of the present utility model is to provide an electric cylinder with a buffering effect, so as to solve the problem proposed in the above background technology that the existing electric cylinder uses a spring structure provided at the bottom for buffering, but the buffer structure provided at the bottom cannot buffer and protect the top shaft position of the electric cylinder, causing the top shaft to be compressed and deformed, resulting in the inability to freely extend and retract.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an electric cylinder with a buffering effect, comprising a bearing base and an end platen, an electric cylinder frame and a servo motor being provided at the upper end of the bearing base, a top stand being provided above the servo motor, and the top stand and the bearing base being an integrated structure;

[0007] Also includes:

[0008] A top shaft is arranged at the upper end of the electric cylinder frame, the top shaft is connected to the threaded screw in the electric cylinder frame, and a top block is provided at the upper end of the top shaft, a damping shock absorber is welded to the upper end of the top block, and a top support plate is welded to the upper end of the damping shock absorber;

[0009] The inner grooves are arranged on the outer walls of both sides of the electric cylinder frame. There are four inner grooves, and guide connecting rods are arranged inside the inner grooves. The four guide connecting rods are all integrated with the top block.

[0010] Preferably, four guide through-holes are provided inside the end platform, and linear bearings are fixed inside the four guide through-holes by nail-free glue, and the diameter of the guide connecting rod is equal to the port diameter of the linear bearing.

[0011] Preferably, a connecting circular groove is provided inside the top block, and a plug-in round head is provided inside the connecting circular groove, and the plug-in round head and the top shaft are an integrated structure.

[0012] Preferably, a limiting circular groove is provided at one end of the connecting circular groove, and the connecting circular groove and the limiting circular groove are both an integral structure with the top block, and an anti-slip disc is provided inside the limiting circular groove, and the anti-slip disc and the plug-in round head are an integral structure.

[0013] Preferably, a switch button is provided at the upper end of the top stand, an input end of the switch button is provided with an electrical plug, and an output end of the switch button is electrically connected to an input end of the servo motor.

[0014] Preferably, the guide connecting rod is movably connected to the guide through hole in the end table through a linear bearing.

[0015] Preferably, two mounting hole plates are provided on both side outer walls of the bearing base, and the four mounting hole plates are all integrated with the bearing base.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The top shaft of the utility model drives the top block to move synchronously when it performs lifting and lowering activities. The top support plate contacts the external object and the top shaft part is buffered and protected under the action of the damping shock absorber, which overcomes the problem that the existing electric cylinder uses the spring structure provided at the bottom for buffering. However, the buffer structure provided at the bottom cannot buffer and protect the top shaft position of the electric cylinder, causing the top shaft to be compressed and deformed, resulting in the problem that it cannot freely extend and retract.

[0018] 2. When the top block is lifting, it drives the four guide connecting rods to perform connecting activities along the guide holes, thereby improving the accuracy and stability of the lifting activities of the top block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the electric cylinder structure with a buffering effect of the utility model;

[0020] Figure 2 This is a schematic diagram of the end face structure of the electric cylinder with a buffering effect of the utility model;

[0021] Figure 3 This is a schematic diagram of the end table structure of the utility model;

[0022] Figure 4 This is an enlarged schematic diagram of the structure of part A of the present utility model;

[0023] In the figure: 1. Load-bearing base; 2. Mounting hole plate; 3. Electric cylinder frame; 4. Servo motor; 5. Top platform; 6. Switch button; 7. End platform; 8. Inner groove; 9. Guide connecting rod; 10. Top shaft; 11. Top block; 12. Damping shock absorber; 13. Top support plate; 14. Power plug; 15. Guide through hole; 16. Linear bearing; 17. Connecting circular groove; 18. Limiting circular groove; 19. Plug round head; 20. Anti-slip disc. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: an electric cylinder with a buffering effect, comprising a bearing base 1, an electric cylinder frame 3 and a servo motor 4 are provided on the upper end of the bearing base 1, a top stand 5 is provided above the servo motor 4, and the top stand 5 and the bearing base 1 are an integrated structure;

[0026] Also includes:

[0027] A top shaft 10 is provided at the upper end of the electric cylinder frame 3. The top shaft 10 is connected to the threaded screw in the electric cylinder frame 3 by transmission. A top block 11 is provided at the upper end of the top shaft 10. A damping shock absorber 12 is welded to the upper end of the top block 11. A top support plate 13 is welded to the upper end of the damping shock absorber 12.

[0028] The inner grooves 8 are arranged on the outer walls of both sides of the electric cylinder frame 3 . There are four inner grooves 8 , and guide connecting rods 9 are arranged inside the inner grooves 8 . The four guide connecting rods 9 are all integrated with the top block 11 .

[0029] When in use, the top shaft moves up and down while driving the top block to move up and down synchronously, and the top support plate contacts the external object to support it. Under the action of the damping shock absorber, the top shaft part is buffered and protected. When the top block moves up and down, it drives the four guide connecting rods to move along the guide perforations.

[0030] See also Figure 3 Four guide through-holes 15 are provided inside the end table 7, and linear bearings 16 are fixed inside the four guide through-holes 15 by nail-free glue. The diameter of the guide connecting rod 9 is equal to the port diameter of the linear bearing 16. The four guide through-holes 15 provided inside the end table 7 serve to assist the guide connecting rod 9 in passing through the end table 7.

[0031] See also Figure 4 A connecting circular groove 17 is provided inside the top block 11, and a plug-in round head 19 is provided inside the connecting circular groove 17. The plug-in round head 19 and the top shaft 10 are an integrated structure. The connecting circular groove 17 provided inside the top block 11 plays the role of supporting the plug-in round head 19.

[0032] See also Figure 4 A limiting circular groove 18 is provided at one end of the connecting circular groove 17. The connecting circular groove 17 and the limiting circular groove 18 are both integrated with the top block 11. An anti-slip disc 20 is provided inside the limiting circular groove 18. The anti-slip disc 20 and the plug-in round head 19 are integrated into a structure. The limiting circular groove 18 provided at one end of the connecting circular groove 17 plays the role of supporting the anti-slip disc 20.

[0033] See also Figure 2 A switch button 6 is provided at the upper end of the top stand 5, and an electrical plug 14 is provided on the input end of the switch button 6. The output end of the switch button 6 is electrically connected to the input end of the servo motor 4. The switch button 6 provided at the upper end of the top stand 5 plays a role in controlling the start and stop of the power supply of the servo motor 4.

[0034] See also Figure 3 The guide connecting rod 9 is movably connected to the guide through hole 15 in the end table 7 through the linear bearing 16.

[0035] See also Figure 1 Two mounting hole plates 2 are provided on the outer walls on both sides of the supporting base 1. The four mounting hole plates 2 are an integral structure with the supporting base 1. The two mounting hole plates 2 provided on the outer walls on both sides of the supporting base 1 play a role in assisting the installation and fixation of the electric cylinder.

[0036] Working principle: When in use, the electric cylinder is fixed and grounded by installing screws in the mounting hole plate 2. After the installation is completed, the power plug 14 is connected to the power socket to turn on the servo motor 4. After the servo motor 4 is powered on, it drives the threaded screw in the electric cylinder frame 3 to rotate, and then drives the top shaft 10 to perform lifting activities. When the top shaft 10 performs lifting activities, it drives the top block 11 to perform synchronous lifting activities. The top support plate 13 contacts the external supporting object, and the damping shock absorber 12 acts to buffer and protect the top shaft 10. When the top block 11 performs lifting activities, it drives the four guide connecting rods 9 to perform threading activities along the guide through-holes 15, thereby improving the accuracy and stability of the lifting activities of the top block 11, and completing the use of the electric cylinder with a buffering effect.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An electric cylinder with a buffering effect, comprising a bearing base (1) and an end table (7), wherein an electric cylinder frame (3) and a servo motor (4) are provided at the upper end of the bearing base (1), and a top table (5) is provided above the servo motor (4), wherein the top table (5) and the bearing base (1) are an integrated structure; Its characteristics are: Also includes: A top shaft (10) is arranged at the upper end of the electric cylinder frame (3), the top shaft (10) is connected to the threaded screw in the electric cylinder frame (3) by transmission, and a top block (11) is provided at the upper end of the top shaft (10), a damping shock absorber (12) is welded to the upper end of the top block (11), and a top support plate (13) is welded to the upper end of the damping shock absorber (12); The inner grooves (8) are arranged on the outer walls of both sides of the electric cylinder frame (3). There are four inner grooves (8), and guide connecting rods (9) are arranged inside the inner grooves (8). The four guide connecting rods (9) are all integrated with the top block (11).

2. The electric cylinder with a buffering effect according to claim 1, characterized in that: Four guide through-holes (15) are provided inside the end platform (7), and linear bearings (16) are fixed inside the four guide through-holes (15) by means of nail-free glue, and the diameter of the guide connecting rod (9) is equal to the port diameter of the linear bearing (16).

3. The electric cylinder with a buffering effect according to claim 1, characterized in that: The top block (11) is provided with a connecting circular groove (17) inside, and a plug-in round head (19) is plugged into the inside of the connecting circular groove (17), and the plug-in round head (19) and the top shaft (10) are an integrated structure.

4. The electric cylinder with a buffering effect according to claim 3, characterized in that: A limiting circular groove (18) is provided at one end of the connecting circular groove (17), and the connecting circular groove (17) and the limiting circular groove (18) are both integrally formed with the top block (11). An anti-slip disc (20) is provided inside the limiting circular groove (18), and the anti-slip disc (20) and the plug-in round head (19) are integrally formed.

5. The electric cylinder with a buffering effect according to claim 1, characterized in that: A switch button (6) is provided at the upper end of the top stand (5), an electrical plug (14) is provided at the input end of the switch button (6), and an output end of the switch button (6) is electrically connected to the input end of the servo motor (4).

6. The electric cylinder with a buffering effect according to claim 2, characterized in that: The guide connecting rod (9) is movably connected to the guide through hole (15) in the end table (7) through a linear bearing (16).

7. The electric cylinder with a buffering effect according to claim 1, characterized in that: Two mounting hole plates (2) are provided on both side outer walls of the bearing base (1), and the four mounting hole plates (2) are all integrated with the bearing base (1).

Images