Linear sliding table with single-roll type ball return device

Abstract

The utility model relates to the technical field of mechanical engineering, and discloses a linear sliding table with a single-roll type ball backflow device, which comprises a carrying table, a first mounting hole, a first fastening bolt, a second vertical wall, a ball backflow channel, a ball, an end cover, a fourth mounting hole and a third fastening bolt, the second vertical walls are arranged in the width direction of the base, ball backflow channels are arranged on the outer sides of the second vertical walls, the upper end of the base is provided with a threaded sleeve opposite to the second backflow grooves, and the backflow grooves form a part of the ball backflow channels to guide balls to circulate in a specific path. According to the linear sliding table with the single-roll type ball backflow device, by means of the precisely-machined ball backflow channel and the selected balls, the linear sliding table device can achieve very smooth and precise linear motion, and friction and abrasion caused by direct contact are reduced through circulating motion of the balls in the backflow channel; and the precision in long-term operation is ensured to be unchanged.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a linear slide with a single-roll ball returner. Background Art

[0002] Linear slides are key components in the field of precision machinery and automation. They allow objects to move accurately along a straight path and are widely used in a variety of systems such as robots, machining centers, and measuring equipment.

[0003] Traditional slides often use a simple guide rail and slider mechanism. This design is prone to greater wear when facing high loads or long-term operation, affecting the accuracy of movement. In addition, due to the relatively high coefficient of friction, the movement efficiency and response speed of these systems are limited, especially in application scenarios that require fast positioning. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The utility model aims to provide a linear slide with a single-roll ball returner to solve the problem of low durability of the traditional slide proposed in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a linear slide with a single-roll ball reflow device, the linear slide with a single-roll ball reflow device comprising a carrier, a first mounting hole, a first fastening bolt, a first vertical wall, a first reflow groove, a second reflow groove, a base, a second vertical wall, a ball reflow channel, a screw sleeve, a second mounting hole, a third mounting hole, a second fastening bolt, a screw rod, a nut, a gasket, a connecting rod, a ball, an end cover, a fourth mounting hole and a third fastening bolt, the upper end of the carrier is provided with two first mounting holes, the first fastening bolts are installed inside the first mounting holes The bolt is provided at the lower end of the carrier with two parallel and opposite first vertical walls, which are arranged along the width direction of the carrier, and a first reflux groove is formed on the side of each first vertical wall, and a second reflux groove is provided in another parallel direction of the first vertical wall. A base is provided on the lower side of the carrier, and two parallel and opposite second vertical walls are provided on the upper end of the base, which are arranged along the width direction of the base, and a ball reflux channel is provided on the outer side of the second vertical wall, which is opposite to the second reflux groove. A screw sleeve is provided on the upper end of the base, and the reflux groove constitutes a part of the ball reflux channel to guide the balls to circulate in a specific path.

[0008] Preferably, two second mounting holes are provided at the upper end of the screw sleeve, and the first fastening bolt passes through the first mounting hole and the second mounting hole to fix the screw sleeve to the lower end of the carrier.

[0009] Preferably, a third mounting hole is provided at the rear end of the screw sleeve, and a second fastening bolt is installed inside the third mounting hole.

[0010] Preferably, a screw rod is provided at the front end of the screw sleeve, and a nut is provided at the end of the screw rod away from the screw sleeve.

[0011] Preferably, a gasket is provided at the front end of the nut, and a connecting rod is provided at the front end of the gasket, and the connecting rod can be connected to a machine that needs to move.

[0012] Preferably, a plurality of balls are arranged inside the ball reflux channel, and the balls form a ball row. An end cover is arranged at the front end of the ball reflux channel, and the end cover provides a closed circulation path for the ball row.

[0013] Preferably, a fourth mounting hole is provided at the front end of the end cover, and a third fastening bolt is installed inside the fourth mounting hole.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The linear slide with a single-roll ball reflow device can achieve very smooth and precise linear motion by utilizing a precisely machined ball reflow channel and selected balls. The circulating motion of the balls in the reflow channel reduces the friction and wear caused by direct contact, ensuring the accuracy remains unchanged during long-term operation.

[0016] 2. The linear slide with a single-roll ball returner is designed to optimize the movement path of the ball, minimize the friction between the balls and between the balls and the channel, reduce the movement resistance, and improve the response speed and efficiency of the system;

[0017] 3. Compared with the traditional linear guide rail, the linear slide with a single-roll ball returner can disperse the load more evenly and improve the load-bearing capacity of the linear slide, which enables the device to maintain high precision and stability while bearing a larger workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the screw sleeve structure of the utility model;

[0021] Figure 4 It is a top view of the cross-sectional structure of the utility model.

[0022] In the figure: 1, carrier; 2, first mounting hole; 3, first fastening bolt; 4, first vertical wall; 5, first reflow groove; 6, second reflow groove; 7, base; 8, second vertical wall; 9, ball reflow channel; 10, screw sleeve; 11, second mounting hole; 12, third mounting hole; 13, second fastening bolt; 14, screw rod; 15, nut; 16, gasket; 17, connecting rod; 18, ball; 19, end cover; 20, fourth mounting hole; 21, third fastening bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a linear slide with a single-roll ball return device, the linear slide with a single-roll ball return device comprises a carrier 1, a first mounting hole 2, a first fastening bolt 3, a first vertical wall 4, a first reflux groove 5, a second reflux groove 6, a base 7, a second vertical wall 8, a ball return channel 9, a screw sleeve 10, a second mounting hole 11, a third mounting hole 12, a second fastening bolt 13, a screw rod 14, a nut 15, a gasket 16, a connecting rod 17, a ball 18, an end cover 19, a fourth mounting hole 20 and a third fastening bolt 21, the upper end of the carrier 1 is provided with two first mounting holes 2, the first mounting holes 2 are internally installed with the first fastening bolt 3, the lower end of the carrier 1 is provided with two parallel and The opposite first vertical walls 4 are arranged along the width direction of the carrier 1, and a first reflow groove 5 is formed on the side of each first vertical wall 4. A second reflow groove 6 is provided in another parallel direction of the first vertical wall 4. A base 7 is provided on the lower side of the carrier 1, and two parallel and opposite second vertical walls 8 are provided on the upper end of the base 7, which are arranged along the width direction of the base 7. A ball reflow channel 9 is provided on the outer side of the second vertical wall 8, opposite to the second reflow groove 6. A screw sleeve 10 is provided on the upper end of the base 7. The core part of the device is the carrier 1, which is fixed to the first vertical wall 4 and the second vertical wall 8 by the first mounting hole 2 and the second mounting hole 11 using the first fastening bolt 3 and the second fastening bolt 13. The two vertical walls provide a stable support structure for the entire linear slide.

[0025] Two second mounting holes 11 are provided at the upper end of the screw sleeve 10, and the first fastening bolt 3 passes through the first mounting hole 2 and the second mounting hole 11 to fix the screw sleeve 10 to the lower end of the carrier 1, and a third mounting hole 12 is provided at the rear end of the screw sleeve 10, and a second fastening bolt 13 is installed inside the third mounting hole 12. A screw rod 14 is provided at the front end of the screw sleeve 10, and a nut 15 is provided at the end of the screw rod 14 away from the screw sleeve 10. The screw 14 is connected to the nut 15 through the third mounting hole 12, and a gasket 16 is located between the nut 15 and the screw sleeve to reduce wear and improve the tightness of the connection. The rotation of the ball row drives the carrier 1 to move linearly along the base 7. The ball reflux channel 9, including the first reflux groove 5 and the second reflux groove 6, is located on the first vertical wall 4 and the second vertical wall 8, and cooperates with the ball 18 to form a ball circulation system. The ball 18 circulates through the ball reflux channel 9 driven by the screw rod 14, thereby reducing friction during linear movement.

[0026] A gasket 16 is provided at the front end of the nut 15, and a connecting rod 17 is provided at the front end of the gasket 16. A plurality of balls 18 are provided inside the ball return channel 9, and the balls 18 form a ball row. An end cover 19 is provided at the front end of the ball return channel 9, and a fourth mounting hole 20 is provided at the front end of the end cover 19. A third fastening bolt 21 is installed inside the fourth mounting hole 20. The end cover 19 is installed at both ends of the ball return channel 9 and is fixed by the fourth mounting hole 20 and the third fastening bolt 21, so as to close the ball return channel, prevent dust and protect the balls from falling off. The connecting rod 17 connects the carrier 1 and the screw sleeve 10 to ensure the completion of the linear motion of the carrier.

[0027] Working principle: The core part of the device is the carrier 1, which is fixed to the first vertical wall 4 and the second vertical wall 8 through the first mounting hole 2 and the second mounting hole 11 using the first fastening bolt 3 and the second fastening bolt 13. The two vertical walls provide a stable support structure for the entire linear slide. The screw 14 is connected to the nut 15 through the third mounting hole 12. The gasket 16 is located between the nut 15 and the screw sleeve to reduce wear and improve the tightness of the connection. The rotation of the ball row drives the carrier 1 to move linearly along the base 7. The ball return channel 9, including the first return groove 5 and the second return groove 6, is located in the first A vertical wall 4 and a second vertical wall 8 cooperate with the ball 18 to form a ball circulation system. The ball 18 circulates through the ball return channel 9 driven by the screw 14, reducing the friction in the linear movement and improving the smoothness and accuracy of the movement. The end cover 19 is installed at both ends of the ball return channel 9 and fixed by the fourth mounting hole 20 and the third fastening bolt 21, which plays the role of closing the ball return channel, preventing dust and protecting the ball from falling off. The connecting rod 17 connects the carrier 1 and the screw sleeve 10 to ensure the completion of the linear movement of the carrier and ensure the stability and accuracy of the operation of the entire system.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A linear slide with a single-roll ball return, the linear slide with a single-roll ball return comprising a carrier (1), a first mounting hole (2) and a first fastening bolt (3), Features: The upper end of the carrier (1) is provided with two first mounting holes (2), and the first mounting holes (2) are internally installed with first fastening bolts (3). The lower end of the carrier (1) is provided with two parallel and opposite first vertical walls (4), which are arranged along the width direction of the carrier (1). A first reflow groove (5) is formed on the side of each of the first vertical walls (4), and a second reflow groove (6) is arranged in another parallel direction of the first vertical wall (4). A base (7) is provided on the lower side of the carrier (1), and two parallel and opposite second vertical walls (8) are provided on the upper end of the base (7), which are arranged along the width direction of the base (7). A ball reflow channel (9) is provided on the outer side of the second vertical wall (8), which is opposite to the second reflow groove (6). A screw sleeve (10) is provided on the upper end of the base (7).

2. A linear slide with a single-roll ball returner according to claim 1, Features: The upper end of the screw sleeve (10) is provided with two second mounting holes (11), and the first fastening bolt (3) passes through the first mounting hole (2) and the second mounting hole (11) to fix the screw sleeve (10) to the lower end of the carrier (1).

3. A linear slide with a single-roll ball returner according to claim 1, Features: A third mounting hole (12) is provided at the rear end of the screw sleeve (10), and a second fastening bolt (13) is installed inside the third mounting hole (12).

4. A linear slide with a single-roll ball returner according to claim 1, Features: A screw rod (14) is arranged at the front end of the screw sleeve (10), and a nut (15) is arranged at the end of the screw rod (14) away from the screw sleeve (10).

5. A linear slide with a single-roll ball returner according to claim 4, Features: A washer (16) is provided at the front end of the nut (15), and a connecting rod (17) is provided at the front end of the washer (16).

6. A linear slide with a single-roll ball returner according to claim 1, Features: A plurality of balls (18) are arranged inside the ball return channel (9), and the balls (18) form a ball row. An end cover (19) is arranged at the front end of the ball return channel (9).

7. A linear slide with a single-roll ball returner according to claim 6, Features: A fourth mounting hole (20) is provided at the front end of the end cover (19), and a third fastening bolt (21) is installed inside the fourth mounting hole (20).

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