Shake-free variable-pitch sliding table

By setting a combination of spiral guide grooves and parallel-spaced guide grooves on the slide table, and using a servo motor to drive the shaft rotation, the smooth movement of the slider is achieved, which solves the problem of workpiece wobbling during the pitch change process, improves machining accuracy and reduces costs.

CN223671199UActive Publication Date: 2025-12-16GUANGDONG SAINI INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202423313254.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing workpiece pitch change process suffers from wobbling, which affects processing accuracy and results in high equipment costs.

Method used

A wobbling-free variable-pitch slide is designed, which adopts a combination of spiral guide grooves and parallel-spaced guide grooves. The rotating shaft is driven by a servo motor to make the slider move smoothly in the guide grooves, thereby achieving stable adjustment of the workpiece spacing.

Benefits of technology

This allows for smooth adjustment of the workpiece spacing, avoiding shaking and reducing production costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223671199U_ABST
    Figure CN223671199U_ABST
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Abstract

The utility model relates to the technical field of workpiece spacing adjusting devices, in particular to a shake-free variable-pitch sliding table. Comprising a rack, a driving source, a rotating shaft, a first sliding block and a second sliding block, the driving source is arranged on the rack and drives the rotating shaft to rotate, the rotating shaft is provided with a first spiral guide groove, a second spiral guide groove, a third spiral guide groove and a fourth spiral guide groove, and the first guide groove and the second guide groove are arranged in parallel at an interval; the third guide groove and the fourth guide groove are arranged in parallel at an interval; the spiral direction of the first guide groove and the spiral direction of the third guide groove are symmetrical. The first sliding block and the second sliding block each comprise a bearing piece and two rotating wheels, and the two rotating wheels are rotationally connected with the bearing pieces. The rotating wheel is slidably connected to the first guide groove and the second guide groove; the rotating wheel is slidably connected to the third guide groove and the fourth guide groove; therefore, the first sliding block and the second sliding block stably move oppositely or reversely, and the purpose of distance adjustment is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to work piece spacing adjustment device technical field especially relates to a kind of without shaking variable distance sliding table. BACKGROUND

[0002] In production and processing process, the distance between two adjacent workpieces is usually encountered, and there are many methods to adjust the distance between two adjacent workpieces, and the existing distance adjustment method has the following shortcomings: (1) the workpiece shakes during distance adjustment, affecting the accuracy of reprocessing; (2) the cost of accurate distance adjustment device is high, resulting in high production cost; Therefore, the traditional distance adjustment device cannot meet the production requirements and needs to be improved. UTILITY MODEL CONTENT

[0003] In order to overcome the shaking of the workpiece during distance adjustment in the prior art, the utility model aims to provide a variable distance sliding table without shaking, to achieve the purpose of stable distance adjustment.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A variable distance sliding table without shaking, comprising a rack, a driving source, a rotating shaft, a first sliding block and a second sliding block, the driving source is arranged on the rack and drives the rotating shaft to rotate, the rotating shaft is provided with a first guide groove, a second guide groove, a third guide groove and a fourth guide groove, the first guide groove, the second guide groove, the third guide groove and the fourth guide groove are all spiral-shaped;

[0006] The spiral direction of the first guide groove and the spiral direction of the third guide groove are symmetrically arranged, the first guide groove and the second guide groove are arranged in parallel with a distance, and the third guide groove and the fourth guide groove are arranged in parallel with a distance.

[0007] The first sliding block and the second sliding block each comprise a carrier and two rotating wheels, and the two rotating wheels are rotatably connected to the carrier.

[0008] The rotating wheel is slidably connected to the first guide groove, the rotating wheel is slidably connected to the second guide groove, the rotating wheel is slidably connected to the third guide groove, and the rotating wheel is slidably connected to the fourth guide groove.

[0009] Further, the carrier is provided with a body, a left protruding portion and a right protruding portion, the left protruding portion and the right protruding portion are arranged on the same side of the body, the central axis of the left protruding portion and the central axis of the right protruding portion are arranged at an angle, the rotating wheel is connected to the left protruding portion, and the rotating wheel is connected to the right protruding portion.

[0010] Further, the variable distance sliding table without shaking further comprises a guide rod, the first sliding block is slidably connected to the guide rod, the second sliding block is slidably connected to the guide rod, and the guide rod is arranged on the rack.

[0011] Further, the wobble-free variable-distance sliding table further comprises a limiting piece, the limiting piece is fixedly arranged on the guide rod, and the limiting piece is arranged between the first sliding block and the second sliding block.

[0012] Further, the wobble-free variable-distance sliding table further comprises a baffle, the baffle is clamped between the left protruding part and the right protruding part.

[0013] Further, the baffle is arc-shaped.

[0014] Further, the first guide groove comprises a first starting end part, the second guide groove comprises a second starting end part, the first starting end part and the second starting end part are arranged at a radial distance of the rotating shaft, and the first starting end part and the second starting end part are arranged at an axial distance of the rotating shaft.

[0015] The third guide groove comprises a third starting end part, the fourth guide groove comprises a fourth starting end part, the third starting end part and the fourth starting end part are arranged at a radial distance of the rotating shaft, and the third starting end part and the fourth starting end part are arranged at an axial distance of the rotating shaft.

[0016] The beneficial effects of the utility model are as follows: the first guide groove, the second guide groove, the third guide groove and the fourth guide groove are arranged on the rotating shaft, and the first guide groove, the second guide groove, the third guide groove and the fourth guide groove are all spiral-shaped; the spiral direction of the first guide groove and the spiral direction of the third guide groove are symmetrically arranged, the first guide groove and the second guide groove are arranged at a parallel distance, the third guide groove and the fourth guide groove are arranged at a parallel distance, the two rotating wheels of the first sliding block are respectively slidably connected to the first guide groove and the second guide groove, the two rotating wheels of the second sliding block are respectively slidably connected to the third guide groove and the fourth guide groove, the relative or reverse stable movement of the first sliding block and the second sliding block is realized in the rotating process of the rotating shaft driven by the driving source, and the distance adjustment purpose is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an internal structure schematic view of the utility model;

[0019] Figure 3 It is a first perspective schematic view of the internal structure of the utility model in a split state;

[0020] Figure 4 It is a second perspective schematic view of the internal structure of the utility model in a split state;

[0021] Figure 5 It is a rotating shaft plane structure schematic view of the utility model.

[0022] The attached drawings comprise:

[0023] 1-driving source 2-rotating shaft 21-first guide assembly

[0024] 211-first guide groove 2111-first initial end 212-second guide groove

[0025] 2121-second initial end 22-second guide assembly 221-third guide groove

[0026] 2211-third initial end 222-fourth guide groove 2221-fourth initial end

[0027] 31-first slider 32-second slider 301-carrier

[0028] 302-rotating wheel 3011-body 3012-left protrusion

[0029] 3013-right protrusion 4-guide rod 5-limiting piece

[0030] 6-baffle. DETAILED DESCRIPTION

[0031] For the convenience of those skilled in the art, the present application will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the present application.

[0032] Please refer to Figures 1 to 5 The utility model discloses a no shaking variable distance sliding table, including frame, still including driving source 1, rotating shaft 2, first slider 31 and second slider 32, driving source 1 is located frame and drives rotating shaft 2 rotation, rotating shaft 2 is equipped with first guide groove 211, second guide groove 212, third guide groove 221 and fourth guide groove 222, and first guide groove 211, second guide groove 212, third guide groove 221 and fourth guide groove 222 all are spiral shape;

[0033] The spiral direction of the first guide groove 211 and the spiral direction of the third guide groove 221 are symmetrically arranged, the first guide groove 211 and the second guide groove 212 are arranged in parallel with a spacing, and the third guide groove 221 and the fourth guide groove 222 are arranged in parallel with a spacing.

[0034] The first slider 31 and the second slider 32 each include a carrier 301 and two rotating wheels 302, and the two rotating wheels 302 are rotationally connected to the carrier 301.

[0035] The rotating wheel 302 is slidingly connected to the first guide groove 211, the rotating wheel 302 is slidingly connected to the second guide groove 212, the rotating wheel 302 is slidingly connected to the third guide groove 221, and the rotating wheel 302 is slidingly connected to the fourth guide groove 222.

[0036] Specifically, in the embodiment, the first slider 31 and the second slider 32 respectively carry the workpieces to be machined, the driving source 1 drives the rotation of the rotating shaft 2 by a servo motor, the first guide groove 211, the second guide groove 212, the third guide groove 221 and the fourth guide groove 222 are machined on the side surface of the rotating shaft 2, wherein the first guide groove 211 and the second guide groove 212 are combined as the first guide assembly 21, the first slider 31 includes a carrier 301 and two rotating wheels 302, one rotating wheel 303 is slidingly connected to the first guide groove 211, and one rotating wheel 303 is slidingly connected to the second guide groove 212, the third guide groove 221 and the fourth guide groove 222 are combined as the second guide assembly 22, the second slider 32 includes a carrier 301 and two rotating wheels 302, one rotating wheel 303 is slidingly connected to the third guide groove 221, and one rotating wheel 303 is slidingly connected to the fourth guide groove 222, when the rotating shaft 2 rotates, the two rotating wheels 302 of the first slider 31 slide along the first guide groove 211 and the second guide groove 212 respectively, so that the first slider 31 moves horizontally relative to the rotating shaft 2, and similarly, the two rotating wheels 302 of the second slider 32 slide along the third guide groove 221 and the fourth guide groove 222 respectively, so that the second slider 32 moves horizontally relative to the rotating shaft 2, because the spiral directions of the first guide groove 211 and the third guide groove 221 are symmetrically arranged, the first slider 31 and the second slider 32 move towards each other or away from each other, so as to adjust the distance between the first slider 31 and the second slider 32, that is, to adjust the distance between the two workpieces.

[0037] By arranging the first guide groove 211, the second guide groove 212, the third guide groove 221 and the fourth guide groove 222 on the rotating shaft, the first guide groove 211, the second guide groove 212, the third guide groove 221 and the fourth guide groove 222 are all spiral-shaped, the spiral directions of the first guide groove 211 and the third guide groove 221 are symmetrically arranged, the first guide groove 211 and the second guide groove 212 are arranged in parallel with a certain distance, the third guide groove 221 and the fourth guide groove 222 are arranged in parallel with a certain distance, the two rotating wheels 302 of the first slider 31 are slidingly connected to the first guide groove 211 and the second guide groove 212 respectively, the two rotating wheels 302 of the second slider 32 are slidingly connected to the third guide groove 221 and the fourth guide groove 222 respectively, and the driving of the rotating of the rotating shaft 1 by the driving source 1 enables the first slider 31 and the second slider 32 to move stably relative to or reversely, so as to achieve the purpose of distance adjustment.

[0038] The bearing 301 is provided with a body 3011, a left protruding part 3012 and a right protruding part 3013, the left protruding part 3012 and the right protruding part 3013 are arranged on the same side of the body 3011, the central axis of the left protruding part 3012 and the central axis of the right protruding part 3013 are arranged at an angle, the rotating wheel 302 is connected with the left protruding part 3012, the rotating wheel 302 is connected with the right protruding part 3013, and the arrangement of the left protruding part 3012 and the right protruding part 3013 facilitates the installation of the rotating wheel 302.

[0039] The non-shaking variable-distance sliding table further comprises a guide rod 4, the first sliding block 31 is slidingly connected to the guide rod 4, the second sliding block 32 is slidingly connected to the guide rod 4, and the guide rod 4 is arranged on the rack, so that the sliding direction stability of the first sliding block 31 and the second sliding block 32 is ensured.

[0040] The non-shaking variable-distance sliding table further comprises a limiting piece 5, the limiting piece 5 is fixedly arranged on the guide rod 4, the limiting piece 5 is arranged between the first sliding block 31 and the second sliding block 32, the limiting piece 5 is an annular piece fixedly arranged on the guide rod 4, the sliding range of the first sliding block 31 and the second sliding block 32 is limited, and collision is avoided.

[0041] The non-shaking variable-distance sliding table further comprises a baffle 6, the baffle 6 is clamped between the left protruding part 3012 and the right protruding part 3013, the baffle 6 is arc-shaped, the arrangement of the baffle 6 ensures that the rotating wheel 302 slides in the first guide groove 211, the second guide groove 212, the third guide groove 221 and the fourth guide groove 222, and prevents the rotating wheel 302 from being separated from the first guide groove 211, the second guide groove 212, the third guide groove 221 and the fourth guide groove 222.

[0042] The first guide groove 211 comprises a first starting end part 2111, the second guide groove 212 comprises a second starting end part 2121, the first starting end part 2111 and the second starting end part 2121 are arranged at a radial distance of the rotating shaft 2, the first starting end part 2111 and the second starting end part 2121 are arranged at an axial distance of the rotating shaft 2, and the two rotating wheels 302 installed on the first sliding block 31 start to slide at the first starting end part 2111 and the second starting end part 2121 respectively, so that the starting position is determined.

[0043] The third guide groove 221 comprises a third starting end part 2211, the fourth guide groove 222 comprises a fourth starting end part 2221, the third starting end part 2211 and the fourth starting end part 2221 are arranged at a radial distance of the rotating shaft 2, the third starting end part 2211 and the fourth starting end part 2221 are arranged at an axial distance of the rotating shaft 2, and the two rotating wheels 302 installed on the second sliding block 32 start to slide at the third starting end part 2211 and the fourth starting end part 2221 respectively, so that the starting position is determined.

[0044] The above merely preferred embodiments of the present application, for those skilled in the art, according to the idea of the present application, in the specific implementation and application range will have changes, the content of the description should not be understood as limiting the present application.

Claims

1. A wobble-free variable-length slide, comprising a frame, characterized in that: It also includes a driving source (1), a rotating shaft (2), a first sliding block (31) and a second sliding block (32), the driving source (1) is arranged on the rack and drives the rotating shaft (2) to rotate, The rotating shaft (2) is provided with a first guide groove (211), a second guide groove (212), a third guide groove (221) and a fourth guide groove (222), the first guide groove (211), the second guide groove (212), the third guide groove (221) and the fourth guide groove (222) are all spiral-shaped; The spiral direction of the first guide groove (211) and the spiral direction of the third guide groove (221) are symmetrically arranged, the first guide groove (211) and the second guide groove (212) are arranged in parallel with a spacing, and the third guide groove (221) and the fourth guide groove (222) are arranged in parallel with a spacing; The first sliding block (31) and the second sliding block (32) both include a carrier (301) and two rotating wheels (302), and the two rotating wheels (302) are rotationally connected with the carrier (301); The rotating wheel (302) is slidingly connected with the first guide groove (211), the rotating wheel (302) is slidingly connected with the second guide groove (212), the rotating wheel (302) is slidingly connected with the third guide groove (221), and the rotating wheel (302) is slidingly connected with the fourth guide groove (222).

2. The wobble-free variable-length slide of claim 1, wherein: The carrier (301) is provided with a body (3011), a left protruding portion (3012) and a right protruding portion (3013), the left protruding portion (3012) and the right protruding portion (3013) are arranged on the same side of the body (3011), the central axis of the left protruding portion (3012) and the central axis of the right protruding portion (3013) are arranged at an angle, the rotating wheel (302) is connected with the left protruding portion (3012), and the rotating wheel (302) is connected with the right protruding portion (3013).

3. The no-slip traversing stage of claim 1, wherein: The non-shaking variable-distance sliding table further includes a guide rod (4), the first sliding block (31) is slidingly connected with the guide rod (4), the second sliding block (32) is slidingly connected with the guide rod (4), and the guide rod (4) is arranged on the rack.

4. The wobble-free variable-length slide of claim 3, wherein: The non-shaking variable-distance sliding table further includes a limiting piece (5), the limiting piece (5) is fixedly arranged on the guide rod (4), and the limiting piece (5) is arranged between the first sliding block (31) and the second sliding block (32).

5. The no-slip traversing stage of claim 2, wherein: The non-shaking variable-distance sliding table further includes a baffle (6), the baffle (6) is clamped between the left protruding portion (3012) and the right protruding portion (3013).

6. The no-slip traversing stage of claim 5, wherein: The baffle (6) is arc-shaped.

7. The no-slip traversing stage of claim 1, wherein: The first guide groove (211) includes a first starting end portion (2111), the second guide groove (212) includes a second starting end portion (2121), the first starting end portion (2111) and the second starting end portion (2121) are arranged with a spacing in the radial direction of the rotating shaft (2), and the first starting end portion (2111) and the second starting end portion (2121) are arranged with a spacing in the axial direction of the rotating shaft (2). The third guide slot (221) comprises a third starting end portion (2211), and the fourth guide slot (222) comprises a fourth starting end portion (2221), the third starting end portion (2211) and the fourth starting end portion (2221) are arranged at a radial distance of the rotating shaft (2), and the third starting end portion (2211) and the fourth starting end portion (2221) are arranged at an axial distance of the rotating shaft (2).