Pneumatic type cross connection equidistant pitch changing mechanism
By using a pneumatic cross-connection equidistant variable pitch mechanism, pneumatic cylinders and shear arms drive the slider to move synchronously. Combined with the bellows cover to form a closed structure, the problems of asynchronous slider movement and contaminant entry are solved, thus improving the synchronicity and cleanliness of the slider.
Patent Information
- Application Number
- CN202520147906.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing equidistant variable pitch mechanisms are prone to causing asynchronous slider movement, resulting in accumulated errors. Furthermore, they lack protection for internal components and are susceptible to contaminants.
A pneumatic cross-connection equidistant variable pitch mechanism is adopted, which drives multiple sliders to move synchronously through pneumatic cylinders and shear arms, and uses a bellows cover to form a closed structure to prevent contaminants from entering, ensuring the synchronization and cleanliness of the sliders.
It achieves synchronous and equidistant movement of the slider, reduces error accumulation, extends the service life of mechanical parts, and effectively prevents contaminants from entering, maintaining the system's coordination and cleanliness.
Smart Images

Figure CN223687601U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical equipment field especially relates to a pneumatic type cross connection equidistance distance change mechanism. BACKGROUND
[0002] The equidistance distance change mechanism is a kind of mechanical device, its main function is to drive multiple sliders or components simultaneously, make them keep equidistance contraction or expansion on predetermined track, this mechanism is widely used in the occasion needing to control the distance between multiple moving parts accurately, such as automated production line, material handling system, precision machining equipment etc.
[0003] The existing equidistance distance change mechanism usually adopts single-point driving source, such as screw, cylinder etc. and transmits motion to other sliders through connecting rod or chain, it is easy to cause the motion of each slider out of synchronization, especially in multiple slider system, error accumulation effect is obvious;Secondly, distance change mechanism less considers the protection of internal components, so that slider, driving source and other components are easily affected by external dust, chips and other pollutants, increase maintenance frequency and difficulty, therefore we propose a kind of pneumatic type cross connection equidistance distance change mechanism to solve this problem. SUMMARY
[0004] In order to solve the above problems, the utility model provides a kind of pneumatic type cross connection equidistance distance change mechanism to more accurately solve the above-mentioned problems.
[0005] The utility model is realized by the following technical schemes:
[0006] The utility model provides a kind of pneumatic type cross connection equidistance distance change mechanism, including shell, the shell is U-shaped, one and the same fixed plate is fixedly installed between the left and right two side inner walls of the shell, the top of the fixed plate is provided with shear arm, the outside of the fixed plate is slidably equipped with a plurality of sliders, the shear arm includes a plurality of hinged points, the top inner wall center position of the slider is provided with connecting hole, the hinged point is fixedly installed in corresponding connecting hole, and the shear arm is used to drive multiple sliders linearly moves.
[0007] Further, the top of the fixed plate is provided with four side edge grooves, four side edge grooves are symmetrically arranged, two oval holes are formed in the top of the fixed plate, a plurality of hinged points are slidably installed in side edge groove or oval hole, a round hole is formed in the top center position of the fixed plate, and the hinged point located in the middle of a plurality of hinged points is fixedly installed in the round hole.
[0008] Further, the outside of the fixed plate is slidably equipped with a plurality of piano cases, the left and right sides of the piano case are provided with connecting edges, the connecting edges are U-shaped, and one side of the connecting edge is fixedly connected with corresponding slider or shell side wall.
[0009] Further, the left and right sides of the slider are provided with a plurality of threaded grooves, the inner walls of the left and right sides of the shell are provided with a plurality of threaded sleeves, one side of the connecting edge is provided with a plurality of threaded holes, the threaded grooves and the threaded holes are matched to fix the slider and the piano cover, and the threaded sleeves and the threaded holes are matched to fix the shell and the piano cover.
[0010] Further, the inner walls of the front and rear sides of the slider are fixedly installed with sliding seats one, the inner walls of the front and rear sides of the piano cover are fixedly installed with sliding seats two, and the front and rear sides of the fixed plate are fixedly connected with sliding rails; the sliding seat one and the sliding seat two are slidably sleeved on the outer sides of the corresponding sliding rails.
[0011] Further, the inner walls of the left and right sides of the shell are provided with sensors one, the left and right sides of the slider between the two sliders are provided with sensors two and trigger rods respectively, and the sensor two is matched with the trigger rod.
[0012] Further, the bottom of the fixed plate is fixedly installed with a mounting plate, the mounting plate is fixedly installed with a pneumatic cylinder, and the output shaft of the pneumatic cylinder is fixedly connected with the corresponding slider.
[0013] Further, the bottom of the fixed plate is fixedly installed with a plurality of support seats, and the plurality of support seats are symmetrically arranged in pairs; the bottom of the support seat is fixedly connected with the inner wall of the bottom of the shell.
[0014] The beneficial effects of the utility model are:
[0015] 1. By installing the adsorption mechanism on the top of the slider, a plurality of adsorption mechanisms can adsorb a plurality of plate-shaped materials at a time, a plurality of sliders are driven to displace at equal distances through the cooperation of the pneumatic cylinder and the shear arm, so that the spacing between two adjacent sliders is changed, and then the placement position of the material is changed to adapt to different material placement requirements; all sliders are driven at the same time through the setting of the shear arm, so that they can move synchronously and at equal distances, and the error accumulation problem caused by the traditional connecting rod system is eliminated.
[0016] 2. The closed structure formed by the shell, the slider and the piano cover can effectively prevent dust, cuttings, liquid and other impurities from entering the space between the slider and the shell, ensure the cleanliness of the whole device, reduce wear and prolong the service life of mechanical parts, and the piano cover also plays the role of a connecting piece, stably connecting adjacent sliders and the slider and the shell side wall together, ensuring that all sliders move synchronously, maintaining the coordination and consistency of the system. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A three-dimensional structure schematic view of a pneumatic cross connection equal distance variable distance mechanism is proposed for the utility model;
[0018] Figure 2 A shearing arm expansion state structure diagram of a pneumatic cross connection equal distance variable distance mechanism is provided in the utility model.
[0019] Figure 3 A shearing arm contraction state structure diagram of a pneumatic cross connection equal distance variable distance mechanism is provided in the utility model.
[0020] Figure 4 A fixed plate three-dimensional structure diagram of a pneumatic cross connection equal distance variable distance mechanism is provided in the utility model.
[0021] Figure 5 A slider and organ cover three-dimensional structure diagram of a pneumatic cross connection equal distance variable distance mechanism is provided in the utility model.
[0022] Figure 6 A pneumatic cylinder three-dimensional structure diagram of a pneumatic cross connection equal distance variable distance mechanism is provided in the utility model.
[0023] The reference signs are as follows:
[0024] In the drawing: 1, shell; 2, fixed plate; 3, shearing arm; 4, slider; 5, hinge point; 6, connecting hole; 7, side slot; 8, oval hole; 9, round hole; 10, organ cover; 11, connecting edge; 12, threaded groove; 13, threaded sleeve; 14, threaded hole; 15, slide one; 16, slide two; 17, slide rail; 18, sensor one; 19, sensor two; 20, trigger rod; 21, pneumatic cylinder; 22, support seat. DETAILED DESCRIPTION
[0025] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings.
[0026] Please refer to Figures 1-6 The utility model provides a kind of pneumatic cross connection equal distance variable distance mechanism, including shell 1, shell 1 is U-shaped, and same fixed plate 2 is fixedly installed between the left and right two side inner walls of shell 1, and the top of fixed plate 2 is provided with shearing arm 3, and the outside of fixed plate 2 is slidably covered with several sliders 4, and shearing arm 3 includes multiple hinge points 5, and the top inner wall center position of slider 4 is provided with connecting hole 6, and hinge point 5 is fixedly installed in corresponding connecting hole 6, and shearing arm 3 is used to drive multiple sliders 4 linearly move.
[0027] As Figure 4As shown, the top of the fixed plate 2 is provided with four side grooves 7, which are symmetrically arranged in pairs. The top of the fixed plate 2 is provided with two oval holes 8. A plurality of hinge points 5 are slidingly installed in the side grooves 7 or the oval holes 8. The top center of the fixed plate 2 is provided with a circular hole 9. The middle hinge point 5 of the plurality of hinge points 5 is fixedly installed in the circular hole 9. The side grooves 7 and the oval holes 8 are used to accommodate the hinge points 5. The symmetric arrangement of the side grooves 7 and the oval holes 8 helps to install the shear arm 3 at the center of the fixed plate 2.
[0028] As shown in Figure 1 and Figure 5 As shown, the outside of the fixed plate 2 is slidingly sleeved with a plurality of piano cases 10. The left and right sides of the piano case 10 are provided with connecting edges 11, which are arranged in a U shape. One side of the connecting edge 11 is fixedly connected with the corresponding sliding block 4 or the side wall of the shell 1. The left and right sides of the sliding block 4 are provided with a plurality of threaded grooves 12. The left and right inner walls of the shell 1 are provided with a plurality of threaded sleeves 13. One side of the connecting edge 11 is provided with a plurality of threaded holes 14. The threaded grooves 12 and the threaded holes 14 are used to fix the sliding block 4 and the piano case 10. The threaded sleeves 13 and the threaded holes 14 are used to fix the shell 1 and the piano case 10.
[0029] It should be noted that the piano case 10 can be shrunk or expanded with the movement of the sliding block 4. The shell 1, the sliding block 4 and the piano case 10 form a closed structure, which can effectively prevent dust, chips, liquid and other impurities from entering the space between the sliding block 4 and the shell 1, ensuring the cleanliness of the entire device, reducing wear and prolonging the service life of mechanical parts. During the movement of the sliding block 4, the piano case 10 can provide a certain guidance and support for the sliding block 4, ensuring that they move smoothly along the predetermined path, and helping to maintain the distance between adjacent sliding blocks 4, avoiding unnecessary collision or friction. The piano case 10 also plays the role of a connecting piece, stably connecting adjacent sliding blocks 4 and the sliding block 4 and the side wall of the shell 1 together, ensuring that all sliding blocks 4 move synchronously, maintaining the coordination and consistency of the system.
[0030] The front and rear inner walls of the sliding block 4 are fixedly installed with sliding seats one 15. The front and rear inner walls of the piano case 10 are fixedly installed with sliding seats two 16. The front and rear sides of the fixed plate 2 are fixedly connected with sliding rails 17. The sliding seats one 15 and the sliding seats two 16 are slidingly sleeved on the outside of the corresponding sliding rails 17, which plays a role in guiding the linear displacement of the piano case 10 and the sliding block 4, and makes the movement of the sliding block 4 and the piano case 10 more stable.
[0031] As shown in Figure 6As shown, the left and right inner walls of the shell 1 are provided with sensors one 18, the two sides of the slider 4 between the two sliders 4 are provided with sensors two 19 and trigger rods 20, respectively, the sensor two 19 is matched with the trigger rod 20, the two sensors one 18 are used for detecting the position of the two outermost sliders 4, ensuring that they do not exceed the preset working range, when the slider 4 moves to the limit position, the sensor one 18 can provide a signal to the control system, for confirming whether the slider 4 has reached the predetermined starting or ending position; the middle slider 4 is provided with a sensor two 19, and the other slider 4 is provided with a trigger rod 20, both of which are located on the same straight line, when the sliders 4 approach each other, the trigger rod 20 will contact the sensor two 19, the abutting or separating state of the trigger rod 20 is sensed by the sensor two 19, and the control system can accurately judge the relative distance between the sliders 4, so as to realize fine adjustment of the distance between the sliders 4.
[0032] The bottom of the fixed plate 2 is fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a pneumatic cylinder 21.
[0033] The bottom of the fixed plate 2 is fixedly provided with a plurality of support seats 22, and the plurality of support seats 22 are symmetrically arranged in pairs, and the bottom of the support seat 22 is fixedly connected with the bottom inner wall of the shell 1.
[0034] The working principle of the utility model is: when in use, the whole device is horizontally installed on the mechanical arm, the top of the slider 4 faces downward, and the adsorption mechanism is installed on the top of the slider 4, a plurality of plate-shaped materials can be adsorbed at a time, a plurality of sliders 4 are driven to displace at equal intervals through the cooperation of the pneumatic cylinder 21 and the shear arm 3, so that the distance between the two adjacent sliders 4 is changed, and then the placement position of the material is changed, for example, if the distance between the materials on the processing platform is large, the adsorbed materials need to be placed on the storage rack, and the space of the storage rack is small, so that the materials can be placed on the storage rack synchronously by retracting the plurality of sliders 4.
[0035] Of course, the utility model also has other various implementation manners, based on the implementation manner, other implementation manners obtained by the ordinary skilled person in the art without any creative labor belong to the range protected by the utility model.
Claims
1. A pneumatic type cross-connect equalizing mechanism, characterized by, The utility model provides a kind of sheathing, the sheathing is U-shaped, the same fixed plate is fixedly installed between left and right two side inner walls of the sheathing, shear arm is provided at the top of the fixed plate, several sliding blocks are slidably arranged on the outside of the fixed plate, the shear arm includes multiple hinged points, connecting hole is opened in the top inner wall center position of the sliding block, the hinged point is fixedly installed in the corresponding connecting hole, and the shear arm is used to drive multiple sliding blocks linearly move.
2. A pneumatic type cross-connect equalizing mechanism according to claim 1, wherein Four side grooves are opened in the top of the fixed plate, and the four side grooves are symmetrically arranged in pairs, two oval holes are opened in the top of the fixed plate, multiple hinged points are slidably arranged in the side groove or oval hole respectively, and a round hole is opened in the center position of the top of the fixed plate.
3. The air-type cross-connect equalizing mechanism according to claim 1, wherein Several piano cases are slidably arranged on the outside of the fixed plate, the left and right sides of the piano case are provided with connecting edges, the connecting edges are arranged in U-shaped, and one side of the connecting edge is fixedly connected with the corresponding sliding block or the side wall of the sheathing.
4. A pneumatic type cross-connect equalizing mechanism according to claim 3, wherein Several screw grooves are opened in the left and right sides of the sliding block, several screw sleeves are arranged on the left and right inner walls of the sheathing, multiple screw holes are opened in one side of the connecting edge, the screw groove and the screw hole are matched to fix the sliding block and the piano case, and the screw sleeve and the screw hole are matched to fix the sheathing and the piano case.
5. A pneumatic type cross-connect equalizing mechanism according to claim 4, wherein Sliding seats one are fixedly installed on the front and rear inner walls of the sliding block, sliding seats two are fixedly installed on the front and rear inner walls of the piano case, sliding rails are fixedly connected to the front and rear sides of the fixed plate, and the sliding seat one and the sliding seat two are slidably arranged on the outside of the corresponding sliding rail.
6. The air operated cross-connect equalizing mechanism of claim 1 wherein, Sensor one is arranged on the left and right inner walls of the sheathing, sensor two and trigger rod are arranged on the left and right sides of the sliding block between two sliding blocks, and the sensor two is matched with the trigger rod.
7. The air operated cross-connect equalizing mechanism of claim 1 wherein, An installation plate is fixedly installed on the bottom of the fixed plate, a pneumatic cylinder is fixedly installed on the installation plate, and the output shaft of the pneumatic cylinder is fixedly connected with the corresponding sliding block.
8. The air operated cross-connect equalizing mechanism of claim 1 wherein, Several support seats are fixedly installed on the bottom of the fixed plate, and the support seats are symmetrically arranged in pairs, and the bottom of the support seat is fixedly connected with the bottom inner wall of the sheathing.