Double-force stroke-adjustable sliding table air cylinder

Abstract

The utility model discloses a double-force stroke-adjustable sliding table air cylinder which comprises a cylinder barrel provided with two inner cavities in parallel in the horizontal direction, piston assemblies arranged in the inner cavities of the cylinder barrels respectively, a sliding table assembly arranged at the top of the cylinder barrel, and stroke adjusting rods arranged on the outer sides of the two opposite ends of the sliding table assembly respectively. The linkage assembly is connected between each piston assembly and the sliding table assembly; the piston assembly is used for driving the linkage assembly to drive the sliding table assembly to do linear reciprocating motion; the stroke adjusting rod is used for adjusting and limiting the motion stroke of the sliding table assembly. According to the utility model, a double output structural design is adopted, so that a larger load can be driven, the stroke is adjustable, and the overall structure is compact.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment parts technical field especially relates to a double force stroke adjustable sliding platform cylinder. BACKGROUND

[0002] With the high -speed development of science and technology, the automation production level improves unceasingly, various automation execution elements play more and more important role in industrial production. Among them, sliding platform cylinder as a kind of common automation execution element is widely used in various mechanical equipment, for realizing the linear motion and positioning control of object. However, the current market sliding platform cylinder has the problems such as insufficient stroke, installation space is limited, insufficient output, stroke is not adjustable, etc., and is not satisfactory. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a double force stroke adjustable sliding platform cylinder, adopts double output structure design to drive greater load, stroke is adjustable, and the overall structure is compact.

[0004] To achieve the above-mentioned purpose, the following technical scheme is adopted:

[0005] A double force stroke adjustable sliding platform cylinder, including two inner cavities of cylinder barrel being opened in parallel along the horizontal direction, a piston assembly installed in each cylinder barrel inner cavity, a sliding platform assembly arranged at the top of the cylinder barrel, a stroke adjusting rod arranged on the outer side of each end of the sliding platform assembly, and a linkage assembly connected between each piston assembly and the sliding platform assembly;The piston assembly is used to drive the linkage assembly to drive the sliding platform assembly to do linear reciprocating motion;The stroke adjusting rod is used to adjust and limit the movement stroke of the sliding platform assembly.

[0006] Preferably, the linkage assembly includes a first fixed sleeve, a second fixed sleeve and a linkage member sleeved on the piston assembly;A limiting groove is formed between the first fixed sleeve and the second fixed sleeve;The first end of the linkage member is installed in the limiting groove, and the second end is connected with the sliding platform assembly.

[0007] Preferably, the sliding platform assembly includes a sliding rail installed on the top of the cylinder barrel, a sliding block connected with the sliding rail, a cover plate connected with the sliding block, and a front connecting plate arranged at one end of the cover plate;The linkage member is integrally formed with the front connecting plate.

[0008] Preferably, one end of the cover plate and one end of the front connecting plate are respectively provided with a buffer column corresponding to the stroke adjusting rod.

[0009] Preferably, the piston assembly includes a piston and a piston rod connected with the piston;The piston is arranged at the first end of the piston rod, and the linkage assembly is arranged at the second end of the piston rod;The middle part of the piston rod is sleeved with a rod side cover, and a sealing ring is arranged between the outer periphery of the rod side cover and the inner cavity of the cylinder barrel.

[0010] Preferably, the cylinder is provided with a first air passage for controlling the extension of the two piston assemblies, and a second air passage for controlling the retraction of the two piston assemblies.

[0011] Preferably, the first air passage comprises a first air inlet communicated with the outside and provided on one side of the cylinder, and a first air path communicated with the two cylinder cavities; and the second air passage comprises a second air inlet communicated with the outside and provided on one side of the cylinder, and a second air path communicated with the two cylinder cavities.

[0012] Preferably, the cylinder is further provided with a third air passage for controlling the extension of the two piston assemblies, and a fourth air passage for controlling the retraction of the two piston assemblies.

[0013] Preferably, the third air passage comprises a third air inlet communicated with the outside and provided on one end of the cylinder, and a third air path communicated with the cylinder cavity and the third air inlet; and the third air inlet is provided between the two cylinder cavities.

[0014] Preferably, the fourth air passage comprises a fourth air path provided on one side of the cylinder along the length direction of the cylinder cavity, at least one fourth air inlet provided on the end of the cylinder and communicated with the fourth air path, a fifth air path communicated with the fourth air path and the adjacent cylinder cavity, and a sixth air path communicated with the two cylinder cavities.

[0015] With the above scheme, the beneficial effects of the utility model are:

[0016] The utility model provides a double force stroke adjustable sliding table cylinder, 1) adopts double power structure design, can drive bigger load, has improved the application scope and work efficiency of cylinder, 2) can conveniently adjust the stroke of cylinder through stroke adjusting rod, makes the cylinder can adapt to the stroke demand under different application scene, has improved the versatility and flexibility of cylinder, 3) two piston assemblies are arranged along the horizontal direction and parallel, makes the shape of cylinder flat, stroke is greatly promoted, overall structure is compact, and the installation space of height direction is saved, is suitable for the equipment and occasion of space limited, has improved the integration level and layout flexibility of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the perspective view of the utility model;

[0018] Fig. 2 It is the perspective view of the piston assembly, linkage assembly and sliding table assembly of the utility model;

[0019] Fig. 3 It is the cross section structure schematic view of the utility model;

[0020] Among them, the drawing mark explanation is:

[0021] 1 - cylinder, 2 - piston assembly,

[0022] 3 - slide assembly, 4 - stroke adjusting rod,

[0023] 5 - linkage assembly, 6 - buffer column,

[0024] 7 - first air passage, 8 - second air passage,

[0025] 9 - third air passage, 10 - fourth air passage,

[0026] 21 - piston, 22 - piston rod,

[0027] 23 - rod side cover, 24 - sealing ring,

[0028] 31 - slide rail, 32 - slide block,

[0029] 33 - cover plate, 34 - front connecting plate,

[0030] 51 - first fixing sleeve, 52 - second fixing sleeve,

[0031] 53 - linkage, 71 - first air inlet,

[0032] 72 - first air path, 81 - second air inlet,

[0033] 82 - second air path, 91 - third air inlet,

[0034] 92 - third air path, 101 - fourth air path,

[0035] 102 - fourth air inlet, 103 - fifth air path,

[0036] 104 - sixth air path. DETAILED DESCRIPTION

[0037] The utility model will be made further detailed description in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0038] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature is in second feature "on", "above" and "upper surface" include that first feature is in second feature directly above and obliquely above, or just indicate that first feature horizontal height is higher than second feature.First feature is in second feature "under", "below" and "under surface" include that first feature is in second feature directly below and obliquely below, or just indicate that first feature horizontal height is less than second feature.

[0039] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0040] Referring to Figs. 1 to 3 The utility model provides a double force stroke adjustable slide platform cylinder, including two inner cavities of cylinder 1 that are opened in parallel along horizontal direction, install one piston assembly 2 in each cylinder 1 inner cavity, be equipped with the slide platform assembly 3 of cylinder 1 top, be equipped with each one stroke adjusting rod 4 of slide platform assembly 3 opposite both ends outside, and be connected with one linkage assembly 5 between each piston assembly 2 and slide platform assembly 3, the piston assembly 2 is used to drive linkage assembly 5 to drive slide platform assembly 3 to do linear reciprocating motion, the stroke adjusting rod 4 is used to adjust and limit the movement stroke of slide platform assembly 3.

[0041] Among them, the piston assembly 2 includes piston 21 and piston rod 22 connected with piston 21, the piston 21 is equipped at the first end of the piston rod 22, the linkage assembly 5 is equipped at the second end of the piston rod 22, the middle part of the piston rod 22 is sleeved with the rod side cover 23, and the outer periphery of the rod side cover 23 is equipped with the sealing ring 24 between the inner cavity of the cylinder 1. By setting the rod side cover 23 and the sealing element 24, the piston 21 is sealed in the inner cavity of the cylinder 1, and the rod side cover 24 also plays the role of guiding the movement of the piston rod 22.

[0042] The slide platform assembly 3 includes the slide rail 31 installed on the top of the cylinder 1, the sliding block 32 connected with the slide rail 31, the cover plate 33 connected with the sliding block 32, and the front connecting plate 34 equipped at one end of the cover plate 33. In addition, steel balls are also arranged between the slide rail 31 and the sliding block 32, the frictional resistance is small, the high-precision linear motion and positioning can be realized, and the demand of high-precision automatic equipment can be met.

[0043] The linkage assembly 5 comprises a first fixed sleeve 51, a second fixed sleeve 52 and a linkage member 53 sleeved on the piston assembly 2; the first fixed sleeve 51 and the second fixed sleeve 52 form a limiting groove therebetween; the first end of the linkage member 53 is installed in the limiting groove, and the second end is connected with the front connecting plate 34, and the linkage member 53 is integrally formed with the front connecting plate 34. The first fixed sleeve 51, the second fixed sleeve 52 and the linkage member 53 are installed on the piston rod 22, and the front connecting plate 34 is driven by the piston assembly 2 through the linkage assembly 5, so that the front connecting plate 34 drives the cover plate 33 and the sliding block 32 to make linear reciprocating motion on the sliding rail 31, thereby achieving the purpose of high-precision linear walking.

[0044] One end of the cover plate 33 and one end of the front connecting plate 34 are respectively provided with a buffer column 6 corresponding to the stroke adjusting rod 4. Specifically, the stroke adjusting rod 4 is an adjusting bolt. By rotating the adjusting bolt to move in the horizontal direction, the sliding range of the cover plate 33 or the front connecting plate 34 is limited by the head of the adjusting bolt, thereby achieving the purpose of adjusting the stroke. Further, the stroke adjusting rod 4 is installed on the top of the cylinder barrel 1 through a limiting seat, and installation holes are reserved at both ends of the limiting seat, and the customer can select the installation number and position of the stroke adjusting rod 4 according to actual needs.

[0045] The cylinder barrel 1 is provided with a first air passage 7 for controlling the extension of the two piston assemblies 2, and a second air passage 8 for controlling the retraction of the two piston assemblies 2. The first air passage 7 comprises a first air inlet 71 communicated with the outside and arranged on one side of the cylinder barrel 1, and a first gas path 72 communicated with the inner cavities of the two cylinder barrels 2; the second air passage 8 comprises a second air inlet 81 communicated with the outside and arranged on one side of the cylinder barrel 1, and a second gas path 82 communicated with the inner cavities of the two cylinder barrels 1.

[0046] The cylinder barrel 1 is also provided with a third air passage 9 for controlling the extension of the two piston assemblies 2, and a fourth air passage 10 for controlling the retraction of the two piston assemblies 2. The third air passage 9 comprises a third air inlet 91 communicated with the outside and arranged at one end of the cylinder barrel 1, and a third gas path 92 communicated with the inner cavity of the cylinder barrel 1 and the third air inlet 91; the third air inlet 91 is arranged between the inner cavities of the two cylinder barrels 1. The fourth air passage 10 comprises a fourth gas path 101 arranged on one side of the cylinder barrel 1 along the length direction of the inner cavity of the cylinder barrel 1, at least one fourth air inlet 102 arranged at the end of the cylinder barrel 1 and communicated with the fourth gas path 101, a fifth gas path 103 communicated with the fourth gas path 101 and the inner cavity of the adjacent cylinder barrel 1, and a sixth gas path 104 communicated with the inner cavities of the two cylinder barrels 1.

[0047] The double force stroke adjustable sliding table cylinder provided by the utility model is provided with two groups of air passages, customers can select any one group according to actual scenes, and selectivity and convenience are increased. The first group of air passages is a first air passage 7 and a second air passage 8, the first air inlet 71 and the second air inlet 81 of the group of air passages are arranged on the side surface of the cylinder barrel 1. The second group of air passages is a third air passage 9 and a fourth air passage 10, the third air inlet 91 and the fourth air inlet 102 of the group of air passages are arranged on the end surface of the cylinder barrel 1, and the fourth air passage 101 is arranged through the two ends of the cylinder barrel 1, and the fourth air inlet 102 can be arranged on any one end or both ends of the cylinder barrel 1. It is worth noting that if the fourth air inlet 102 is arranged on both ends of the fourth air passage 101, one of the fourth air inlets 102 needs to be blocked in actual application.

[0048] When the first group of air passages is enabled, the third air inlet 91 and the fourth air inlet 102 are blocked; when the second group of air passages is enabled, the first air inlet 71 and the second air inlet 81 are blocked. Further, the first air passage 72 and the third air passage 92 share the same air passage, and the second air passage 82 and the sixth air passage 104 share, which saves cost.

[0049] The external load is mounted on the cover plate 33, and various clamps and other loads (within the specified load range) can be loaded according to actual needs. Fig. 3 For example, when the first air inlet 71 is ventilated, the piston assembly 2 drives the sliding table assembly 3 to move linearly to the right through the linkage assembly 5; when the second air inlet 81 is ventilated, the piston assembly 2 drives the sliding table assembly 3 to move linearly to the left through the linkage assembly 5. Alternately ventilating the first air inlet 71 and the second air inlet 81 can realize the reciprocating linear motion of the load.

[0050] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model. Obviously, the above embodiment of the utility model is only for clear illustration, and is not limited to the embodiment of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection range of the utility model. Here, all the embodiments cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model claim.

Claims

1. A double force stroke adjustable slide cylinder characterized by, The cylinder includes two inner cavities arranged side by side in a horizontal direction, a piston assembly arranged in each inner cavity, a slide assembly arranged on the top of the cylinder, a stroke adjusting rod arranged on the outer side of each end of the slide assembly, and a linkage assembly connected between each piston assembly and the slide assembly; the piston assembly drives the linkage assembly to drive the slide assembly to move linearly; the stroke adjusting rod adjusts and limits the stroke of the slide assembly.

2. The double force adjustable stroke carriages cylinder of claim 1, wherein, The linkage assembly includes a first fixed sleeve, a second fixed sleeve and a linkage member arranged on the piston assembly; the first fixed sleeve and the second fixed sleeve form a limiting groove; the first end of the linkage member is arranged in the limiting groove, and the second end is connected with the slide assembly.

3. The double force adjustable stroke carriages cylinder of claim 2, wherein, The slide assembly includes a slide rail arranged on the top of the cylinder, a sliding block connected with the slide rail, a cover plate connected with the sliding block, and a front connecting plate arranged on one end of the cover plate; the linkage member is integrally formed with the front connecting plate.

4. The double force adjustable stroke carriages cylinder of claim 3, wherein, One end of the cover plate and one end of the front connecting plate are respectively provided with a buffer column corresponding to the stroke adjusting rod.

5. The double force adjustable stroke gandy cylinder of claim 1, wherein, The piston assembly includes a piston and a piston rod connected with the piston; the piston is arranged on the first end of the piston rod, and the linkage assembly is arranged on the second end of the piston rod; the middle part of the piston rod is provided with a rod side cover, and a sealing ring is arranged between the outer periphery of the rod side cover and the inner cavity of the cylinder.

6. The double force adjustable stroke gandy cylinder of claim 1, wherein, The cylinder is provided with a first air passage for controlling the extension of the two piston assemblies, and a second air passage for controlling the retraction of the two piston assemblies.

7. The double force adjustable stroke gandy cylinder of claim 6, wherein, The first air passage includes a first air inlet communicated with the outside and arranged on one side of the cylinder, and a first air path communicated with the two inner cavities; the second air passage includes a second air inlet communicated with the outside and arranged on one side of the cylinder, and a second air path communicated with the two inner cavities.

8. The double force adjustable stroke gantlet cylinder of claim 1, wherein, The cylinder is also provided with a third air passage for controlling the extension of the two piston assemblies, and a fourth air passage for controlling the retraction of the two piston assemblies.

9. The double force adjustable stroke gandy cylinder of claim 8, wherein, The third air passage includes a third air inlet communicated with the outside and arranged on one end of the cylinder, and a third air path communicated with the inner cavity and the third air inlet; the third air inlet is arranged between the two inner cavities.

10. The double force adjustable stroke gandy cylinder of claim 8, wherein, The fourth air passage includes a fourth air path arranged on one side of the cylinder along the length direction of the inner cavity, at least one fourth air inlet arranged on the end of the cylinder and communicated with the fourth air path, a fifth air path communicated with the fourth air path and the adjacent inner cavity, and a sixth air path communicated with the two inner cavities.

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