Splicing type high-precision linear motion sliding table

Abstract

The utility model relates to the field of sliding table equipment, and discloses a splicing type high-precision linear motion sliding table which comprises a sliding rail, a sliding block, a connecting assembly, a connecting port and a sliding assembly. The sliding block is in sliding connection with the sliding rail; the connecting assembly is arranged at one end of the sliding rail, the connecting openings are formed in the other end of the sliding rail, and the connecting assembly is matched with the connecting openings; the sliding assembly is arranged in the sliding rail and drives the sliding block to move. According to the utility model, a plurality of sliding rails with the same model are connected in series to a proper length according to actual use requirements, so that the sliding rail can flexibly adapt to different application environments, and the applicability is improved. In addition, through joint cooperation of a fixing frame, a rotating plate, a clamping block and a spring, the technical effect that traditional bolt fixing is replaced with clamping connection of the fixing frame and the clamping block, and operation is convenient is achieved, and meanwhile the problem that when too many bolts are used, the bolts are prone to being lost is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sliding table equipment, especially to a splicable high-precision linear motion sliding table. BACKGROUND

[0002] Linear sliding table is a kind of mechanical structure that can provide linear motion, and the linear sliding table currently widely used mainly has synchronous belt type and ball screw type, wherein the moving range of ball screw type sliding table is more controllable, so it is higher in precision and is convenient to use in mechanism that is higher in linear motion accuracy requirement.The screw rod of the existing ball screw type linear sliding table is usually of integral structure, so when used in mechanism of different lengths, it needs to use sliding tables of various lengths, thereby reducing the applicability of single model sliding table. SUMMARY

[0003] The utility model wants to solve the technical problem proposed in the above background art, and provides a splicable high-precision linear motion sliding table.

[0004] The utility model adopts the technical scheme that solves its technical problem:

[0005] A splicable high-precision linear motion sliding table, comprising a sliding rail, a sliding block, a connecting assembly, a connecting port and a sliding assembly.

[0006] The sliding block is slidably connected with the sliding rail.

[0007] The connecting assembly is arranged at one end of the sliding rail, the connecting port is arranged at the other end of the sliding rail, and the adjacent sliding rails are fixed through the connection between the connecting assembly and the connecting port.

[0008] The sliding assembly is arranged in the sliding rail, and the sliding assembly drives the sliding block to move.

[0009] Preferably, the sliding assembly comprises a lead screw, a socket and a plug.

[0010] The sliding rail is internally provided with a transverse through hole, the cross-sectional shape of the through hole is composed of two semicircles with coinciding centers and opposite directions, the diameter of the upper semicircle is greater than that of the lower semicircle, the arc edge of the upper semicircle is a poor arc, the center of the lower semicircle is coincided with the axis of the lead screw, the arc edge of the lower semicircle is a good arc, and the lead screw is rotatably connected with the through hole.

[0011] The arc-shaped plate is fixedly connected with the sliding block, the arc-shaped plate is a poor arc, the bottom of the arc-shaped plate is provided with a thread, and the thread is threadedly connected with the lead screw.

[0012] The socket and the plug are arranged at two ends of the lead screw respectively, the cross-sectional shape of the socket and the plug is hexagonal, and the plug can be inserted into the socket.

[0013] Preferably, the connecting assembly comprises a fixed shaft, two rotating plates and a fixed frame.

[0014] A mounting groove is formed in the top of the sliding rail away from the connecting port, the fixed shaft is fixedly connected in the mounting groove, and two mutually centrally symmetric straight notches are formed in the outer walls of the two ends of the fixed shaft.

[0015] A through straight slot is formed in the outer wall of the rotating plate, the width of the straight slot is equal to the interval of the two straight notches and is movably connected therebetween, one end of the straight slot is provided with a circular slot, the diameter of the circular slot is equal to the diameter of the fixed shaft, and the two rotating plates are respectively sleeved on the two ends of the fixed shaft.

[0016] The fixed frame is fixedly connected to one end of the two rotating plates away from the straight slot, a supporting rod is fixedly connected to the middle position of the fixed frame, a spring is fixedly connected to the side surface of the supporting rod, the other end of the spring is rotatably connected to the outer wall of the fixed shaft, a fold-shaped clamping block is fixedly connected in the connecting port, and the clamping block is matched with the fixed frame.

[0017] Preferably, an arc-shaped plate is fixedly connected in the middle groove of the sliding block, the arc-shaped plate is a minor arc, a screw thread is formed in the bottom of the arc-shaped plate, and the screw thread is in threaded connection with the lead screw.

[0018] The utility model discloses the beneficial effects of:

[0019] 1. The utility model discloses a plurality of same model sliding rails are connected in series to the suitable length according to actual use demand, therefore can flexible adaptation different application environment, thereby improved applicability.

[0020] 2. The utility model discloses the common cooperation of fixed frame, rotating plate, clamping block and spring, and the fixed frame and clamping block are connected by clamping, instead of traditional bolt fixed, so as to facilitate operation, and meanwhile, the loss caused by too many used bolts is avoided. DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the high-precision linear motion sliding table of the present connectable type.

[0022] Figure 2 It is the lead screw structure schematic diagram of the high-precision linear motion sliding table of the present connectable type.

[0023] Figure 3 It is the sliding block structure schematic diagram of the high-precision linear motion sliding table of the present connectable type.

[0024] Figure 4 It is the connecting assembly structure schematic diagram of the high-precision linear motion sliding table of the present connectable type.

[0025] Explanation of reference signs: 1, sliding rail; 2, sliding block; 3, lead screw; 31, insertion hole; 32, insertion block; 4, connecting assembly; 41, rotating plate; 42, fixing frame; 43, fixing shaft; 44, linear groove; 45, circular groove; 46, spring; 5, connecting port; 6, arc-shaped plate. DETAILED DESCRIPTION

[0026] The concept and the technical effects of the present application will be described clearly and completely in combination with the embodiments below, so as to fully understand the purpose, features and effects of the present application.

[0027] Embodiment 1

[0028] As shown in the accompanying drawings, Figures 1-2 The present application provides a high-precision linear motion sliding table that can be spliced, comprising a sliding rail 1, a sliding block 2, a connecting assembly 4, a connecting port 5, and a sliding assembly.

[0029] The sliding block 2 is slidingly connected with the sliding rail 1.

[0030] The connecting assembly 4 is arranged at one end of the sliding rail 1, and the connecting port 5 is arranged at the other end of the sliding rail 1, and the adjacent sliding rails 1 are fixed through the connection between the connecting assembly 4 and the connecting port 5.

[0031] The sliding assembly is arranged inside the sliding rail 1, and the sliding assembly drives the sliding block 2 to move.

[0032] The sliding assembly comprises a lead screw 3, an insertion hole 31, and an insertion block 32.

[0033] The sliding rail 1 is internally provided with a transverse through hole, the cross-sectional shape of the through hole is composed of two semicircles with coinciding centers and opposite directions, the diameter of the upper semicircle is larger than that of the lower semicircle, the arc-shaped edge of the upper semicircle is a poor arc, the center of the lower semicircle coincides with the axis of the lead screw 3, the arc-shaped edge of the lower semicircle is a good arc, and the lead screw 3 is rotationally connected with the through hole.

[0034] The arc-shaped plate 6 is fixedly connected with the sliding block 2, the arc-shaped plate 6 is a poor arc, the bottom of the arc-shaped plate 6 is provided with a thread, and the thread is threadedly connected with the lead screw 3.

[0035] The insertion hole 31 and the insertion block 32 are arranged at the two ends of the lead screw 3, respectively, the cross-sectional shape of the insertion hole 31 and the insertion block 32 is hexagonal, and the insertion block 32 can be inserted into the insertion hole 31.

[0036] The arc-shaped plate 6 is fixedly connected in the middle recess of the sliding block 2, the arc-shaped plate 6 is a poor arc, the bottom of the arc-shaped plate 6 is provided with a thread, and the thread is threadedly connected with the lead screw 3.

[0037] In the above embodiment, when the plurality of slide rails 1 are assembled, the most end screw rod 3 is connected with the output shaft of the external motor, so that the screw rod 3 is driven to rotate by the motor, the screw rod 3 drives the arc-shaped plate 6 to move linearly through the thread, so as to drive the sliding block 2 to move, the screw rod 3 is fixed through the optimal arc part of the through hole, so as to prevent the screw rod 3 from shaking up and down, thereby improving the stability.

[0038] Embodiment 2

[0039] The connecting assembly 4 comprises a fixed shaft 43, two rotating plates 41 and a fixed frame 42.

[0040] The top of the slide rail 1 away from the connecting port 5 is provided with a mounting groove, and the fixed shaft 43 is fixedly connected in the mounting groove. The outer wall of the two ends of the fixed shaft 43 is provided with two straight notches which are centrally symmetrical.

[0041] The outer wall of the rotating plate 41 is provided with a through straight slot 44, the width of the straight slot 44 is equal to the interval of the two straight notches and is movably connected therebetween. One end of the straight slot 44 is provided with a circular slot 45, the diameter of the circular slot 45 is equal to the diameter of the fixed shaft 43, and the two rotating plates 41 are respectively sleeved on the two ends of the fixed shaft 43.

[0042] The fixed frame 42 is fixedly connected to one end of the two rotating plates 41 away from the straight slot 44. The fixed frame 42 is fixedly connected with a support rod at the middle position, and the support rod is fixedly connected with a spring 46 on the side surface. The other end of the spring 46 is rotatably connected to the outer wall of the fixed shaft 43. The connecting port 5 is fixedly connected with a folded clamping block which cooperates with the fixed frame 42.

[0043] In the above embodiment, when the straight slot 44 is clamped with the straight notch, the straight slot 44 and the rotating plate 41 are prevented from rotating through the straight notch, so that the fixed frame 42 is stored in the mounting groove when the slide rail 1 is not connected in series, and the fixed frame 42 is prevented from rotating freely. In addition, the elastic force provided by the spring 46 prevents the fixed frame 42 and the rotating plate 41 from moving, thereby improving the fixing effect. The two slide rails 1 are connected in series through the clamping between the fixed frame 42 and the clamping block, so that different numbers of slide rails 1 can be selected for connection according to actual use requirements, thereby improving the applicability of the slide rail 1.

[0044] Working principle: the worker selects the corresponding number of slide rails 1 according to the actual use demand, then connects the most end screw rod 3 with the output shaft of the external motor, then aligns the connecting assembly 4 part of another slide rail 1 with the connecting port 5, connects between the plug block 32 and the plug hole 31 in the process, makes the two adjacent screw rods 3 series into the whole that can rotate together, the worker slides the fixing frame 42, the fixing frame 42 drives the two rotating plates 41 to move and stretches the spring 46, until the fixing shaft 43 is located in the circular groove 45, then rotates the fixing frame 42 upwards, until the fixing frame 42 rotates to 180 degrees, then loosens the fixing frame 42, the spring 46 rebounds and drives the fixing frame 42 to move, makes the fixing frame 42 and the folding part of the clamping block clamped, at the same time the elastic force provided by the spring 46 drives the rotating plate 41 to move, makes the linear slot 44 and the linear notch clamped, thereby prevents the rotating plate 41 from rotating upwards, further improves the fixing effect, through the same operation, the plurality of slide rails 1 can be series connected, in use, the motor drives the most end screw rod 3 to rotate, drives all the screw rods 3 to rotate together through the plug block 32 and the plug hole 31, thereby makes the sliding block 2 can move linearly along the series connected slide rail 1 under the action of the arc-shaped plate 6.

[0045] The above embodiments are only part of the embodiments of the present application, not all the embodiments, based on the embodiments of the present application, other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the present application.

Claims

1. A high-precision linear motion slide that can be spliced, characterized by: Sliding rail (1), sliding block (2), connecting assembly (4), connecting port (5), sliding assembly are provided. The sliding block (2) is slidably connected with the sliding rail (1). The connecting assembly (4) is arranged at one end of the sliding rail (1), and the connecting port (5) is arranged at the other end of the sliding rail (1). The connecting assembly (4) comprises a fixed shaft (43), two rotating plates (41) and a fixed frame (42). A mounting groove is formed in the top of the end of the sliding rail (1) away from the connecting port (5), the fixed shaft (43) is fixedly connected in the mounting groove, and two straight notches that are centrally symmetric with each other are formed in the outer walls of the two ends of the fixed shaft (43). A straight slot (44) is formed in the outer wall of the rotating plate (41), the width of the straight slot (44) is equal to the distance between the two straight notches, and the straight slot (44) is movably connected between the two straight notches, one end of the straight slot (44) is provided with a circular slot (45), the diameter of the circular slot (45) is equal to the diameter of the fixed shaft (43), and the two rotating plates (41) are sleeved on the two ends of the fixed shaft (43). The fixed frame (42) is fixedly connected to one end of the two rotating plates (41) away from the straight slot (44), a support rod is fixedly connected to the middle position of the fixed frame (42), a spring (46) is fixedly connected to the side surface of the support rod, the other end of the spring (46) is rotatably connected to the outer wall of the fixed shaft (43), a clamping block is fixedly connected in the connecting port (5), and the clamping block is matched with the fixed frame (42). The sliding assembly is arranged in the sliding rail (1), and the sliding assembly drives the sliding block (2) to move.

2. The splicable high-precision linear motion slide platform according to claim 1, wherein: The sliding assembly comprises a lead screw (3), a plug hole (31) and a plug block (32). A transverse through hole is formed in the sliding rail (1), the cross-sectional shape of the through hole is composed of two semicircles with coincident centers and opposite directions, the diameter of the upper semicircle is greater than that of the lower semicircle, the arc edge of the upper semicircle is a poor arc, the center of the lower semicircle is coincident with the axis of the lead screw (3), the arc edge of the lower semicircle is a good arc, and the lead screw (3) is rotatably connected with the through hole. The plug hole (31) and the plug block (32) are arranged at the two ends of the lead screw (3), the cross-sectional shapes of the plug hole (31) and the plug block (32) are hexagonal, and the plug block (32) can be inserted into the plug hole (31).

3. The splicable high-precision linear motion slide platform according to claim 2, wherein: An arc-shaped plate (6) is fixedly connected in the middle groove of the sliding block (2), the arc-shaped plate (6) is a poor arc, a thread is formed in the bottom of the arc-shaped plate (6), and the thread is threadedly connected with the lead screw (3).

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