CN210404973U - Push rod electric cylinder with external sliding table structure - Google Patents
Push rod electric cylinder with external sliding table structure Download PDFInfo
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- CN210404973U CN210404973U CN201921405549.3U CN201921405549U CN210404973U CN 210404973 U CN210404973 U CN 210404973U CN 201921405549 U CN201921405549 U CN 201921405549U CN 210404973 U CN210404973 U CN 210404973U
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- push rod
- cylinder
- sliding table
- panel
- piston
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Abstract
The utility model discloses a push rod electric cylinder with an external sliding table structure, which comprises a cylinder barrel, a front cover, a rear cover and a driving motor, the front cover and the rear cover are respectively fixed at two ends of the cylinder barrel, a piston, a ball screw, a screw nut and a hollow piston rod are arranged in the cylinder barrel, the output end of the driving motor is in transmission connection with the ball screw, the screw nut is matched with the ball screw, the screw nut is connected with the piston, the piston is in sliding fit with the inner side wall of the cylinder barrel, the piston is fixed at one end of the hollow piston rod, the other end of the hollow piston rod passes through the front cover and is in sliding fit with the front cover, a guide rail is fixed on the outer side wall of the cylinder barrel, a sliding table is fixed at the end of the hollow piston rod, which penetrates through the front cover, the sliding table comprises a push rod panel and a sliding table panel, and the sliding table is in sliding fit with the guide rail. The utility model discloses simple structure compactness, simple to operate, application scope wide advantage have been possessed.
Description
Technical Field
The utility model relates to an electric jar technical field, in particular to push rod electric jar of external slip table structure.
Background
With the continuous improvement of industrial automation technology, the precision requirement on the transmission structure is higher and higher. The electric cylinder linear transmission device fixes the screw nut by relative rolling of the ball screw and the screw nut, and drives the piston rod to convert into linear motion. In order to ensure the transmission precision, an anti-rotation device is arranged on a screw nut piston to realize accurate positioning precision, the piston is generally provided with a guide block, the inner wall of a cylinder barrel is provided with a guide groove, a drawing die process is needed when the guide groove is processed, although the precision of the guide groove is ensured, the drawing die process is complex to process, professional equipment is needed, and the cost is additionally increased; the accuracy is also ensured by arranging the guide rod on the outer side of the cylinder barrel, and although the processing is simple, the installation space is increased, so that the installation is inconvenient. And the two methods have a common problem, only the precision is ensured after the structure is added, other functions are not provided, the application range is narrow, and the market is difficult to meet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure is compact, simple to operate, application scope is wide the push rod electric cylinder of external slip table structure to prior art's defect and not enough.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an electric jar of push rod of external slip table structure, includes cylinder, protecgulum, hou gai and driving motor, the protecgulum with the back lid is fixed in respectively the cylinder both ends, be equipped with piston, ball, screw nut and hollow piston rod in the cylinder, the driving motor output with ball transmission connects, screw nut with ball looks adaptation, screw nut with the piston connection, the piston with cylinder inside wall sliding fit, the piston is fixed in hollow piston rod one end, the hollow piston rod other end pass the protecgulum and with protecgulum sliding fit, be fixed with the guide rail on the cylinder lateral wall, hollow piston rod passes that the protecgulum is fixed with the slip table, the slip table includes push rod panel and slip table panel, the slip table with guide rail sliding fit.
Furthermore, the push rod panel with be "L" shape after the cooperation installation of slip table panel, the push rod panel passes through screw or pin or welded fastening with the slip table panel and is connected, the installation and debugging of the slip table of being convenient for.
Furthermore, the push rod panel is fixedly connected with the hollow piston rod through a screw.
Further, a sliding block is fixed on the sliding table panel and is in sliding fit with the guide rail.
Furthermore, back lid one side is connected with the motor cabinet, driving motor connects on the motor cabinet, is equipped with the shaft coupling in the motor cabinet, and driving motor passes through the shaft coupling and is connected with ball screw transmission, the installation of being convenient for.
Furthermore, the two ends of the front cover and the rear cover are respectively provided with a pull rod nut mounting hole, and the two ends of the front cover and the two ends of the rear cover are locked with the pull rod nuts through pull rods, so that the cylinder body is stronger in bearing capacity, and more firm and firm in structure.
Further, inlay on the protecgulum be equipped with hollow piston rod complex dustproof combination circle and uide bushing, improve the leakproofness of cylinder body, protecgulum and hou gai all inlay be equipped with piston complex crashproof pad for the rigidity striking that the buffering piston led to the fact protecgulum and hou gai avoids the damage that leads to the fact cylinder body internals.
Furthermore, the piston is sleeved with a wear-resistant ring and a magnetic ring, and the wear-resistant ring is used for being supported inside the cylinder barrel, so that the wear resistance and the running stability of the piston are improved.
The utility model has the advantages that: when the anti-rotation sliding type hollow piston rod is used, the driving motor works and drives the ball screw to rotate, the ball screw rotates to enable the screw nut to move along the ball screw, the screw nut drives the piston to move when moving, the piston moves to drive the hollow piston rod to extend out or retract, the guide rail is fixed on the outer side wall of the cylinder barrel, the end part of the hollow piston rod is connected with the sliding table, and the sliding table is in sliding fit with the guide rail, so that the sliding table also moves along with the hollow piston rod in the moving process, the sliding rail plays a role in guiding the movement of the hollow piston rod in the moving process of the sliding table, the hollow piston rod can be prevented from rotating in the moving process, the anti-rotation torque is stronger; moreover, the sliding table comprises a push rod panel and a sliding table panel, and when the sliding table moves, the sliding table can be used as a push rod electric cylinder, so that the application range is wider; generally, the utility model discloses the advantage that has possessed simple structure compactness, simple to operate, application scope are wide.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the slide table of the present invention.
Shown in the figure: 1-a cylinder barrel; 2-front cover; 21-dustproof combined ring; 22-a guide sleeve; 3-rear cover; 31-a bearing gland; 4-driving the motor; 41-motor base; 42-a coupler; 5-a piston; 51-a wear ring; 52-a magnetic ring; 6-ball screw; 7-lead screw nut; 8-a hollow piston rod; 81-piston rod stud; 9-a guide rail; 10-a slide table; 101-putter face plate; 102-slipway panel; 103-a slide block; 11-draw-bar nut; 12-a pull rod; 13-crash cushion.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 and 2, a push rod electric cylinder of external slip table structure, including cylinder 1, protecgulum 2, back lid 3 and driving motor 4, protecgulum 2 and back lid 3 are fixed in 1 both ends of cylinder respectively, be equipped with piston 5 in the cylinder 1, ball 6, screw nut 7 and hollow piston rod 8, driving motor 4 output and ball 6 transmission are connected, screw nut 7 and ball 6 looks adaptation, screw nut 7 is connected with piston 5, piston 5 and 1 inside wall sliding fit of cylinder, piston 5 is fixed in 8 one end of hollow piston rod, 8 other ends of hollow piston rod pass protecgulum 2 and with protecgulum 2 sliding fit, be fixed with guide rail 9 on 1 outside wall of cylinder, hollow piston rod 8 passes 2 that end of protecgulum and is fixed with slip table 10, slip table 10 includes push rod panel 101 and slip table panel 102, slip table 10 and guide rail 9 sliding fit.
The push rod panel 101 and the sliding table panel 102 are in an L shape after being installed in a matched mode, the push rod panel 101 and the sliding table panel 102 are arranged in a ninety-degree included angle mode, the requirement for perpendicularity is met while the parallelism is met, the accuracy of the electric cylinder is improved, the high-accuracy occasion can be met, the push rod panel 101 and the sliding table panel 102 are located through pin shafts and then are locked and fixed through screws; the end part of the hollow piston rod 8 is in threaded connection with a piston rod stud 81, the push rod panel 101 is fixedly locked with the piston rod stud 81 through a screw, the piston rod stud 81 seals the hollow piston rod 8 to a certain extent, oil in the cylinder barrel 1 is prevented from leaking, the sealing performance is improved, and the push rod panel 101 is convenient to install; the sliding block 103 is fixed on the sliding table panel 102, and the sliding block 103 is in sliding fit with the guide rail 9, so that the bearing capacity of the sliding table 10 is improved, the running stability of the sliding table 10 is ensured, and the structure is firmer and more compact.
Fixedly connected with motor cabinet 41 on back lid 3, driving motor 4 passes through the fix with screw on motor cabinet 41, be equipped with shaft coupling 42 in the motor cabinet 41, lid 3 is connected in shaft coupling 42 one end after passing through to the tip of ball 6, the output of driving motor 4 is connected in the shaft coupling 42 other end, install angular contact bearing in the back lid 3, angular contact bearing's outer lane passes through bearing gland 31 and is fixed with back lid 3, angular contact bearing's inner circle cover is established on ball 6, when driving motor 4 rotates, 4 output transmission shaft couplings 42 of driving motor, shaft coupling 42 passes ball 6 again, ball 6 rotates behind the relative back lid 3.
The two ends of the front cover 2 and the rear cover 3 are respectively provided with a pull rod nut 11 mounting hole, and the two ends of the front cover 2 and the rear cover 3 are locked with the pull rod nut 11 through a pull rod 12, so that the cylinder body has stronger bearing capacity and a more fastened and firmer structure.
A dustproof combined ring 21 and a guide sleeve 22 which are matched with the hollow piston rod 8 are embedded in the front cover 2, so that the sealing performance and the movement stability of the cylinder body are improved; the front cover 2 and the rear cover 3 are both embedded with the anti-collision pads 13 matched with the pistons 5, so that the rigid collision of the pistons 5 to the front cover 2 and the rear cover 3 is reduced, the damage rate is reduced, and the service life is prolonged.
The piston 5 is sleeved with a pair of wear-resisting rings 51 which are uniformly distributed at two ends of the piston 5, and the wear-resisting rings 51 are used for being supported inside the cylinder barrel 1, so that the wear resistance and the running stability of the piston 5 are improved; the piston 5 is further sleeved with a magnetic ring 52, correspondingly, inductors (not shown) are arranged at the limits of the two ends of the outer side of the cylinder barrel 1, preferably, the driving motor 4 is a servo motor, and the servo motor is electrically connected with the inductors (not shown), so that the control is convenient, and the operation precision is improved.
The utility model discloses a concrete theory of operation as follows: the during operation of driving motor 4, driving motor 4 passes through shaft coupling 42 and drives the relative back lid 3 of ball 6 and rotate, ball 6's rotation makes lead screw nut 7 move on along ball 6, lead screw nut 7 drives piston 5 when moving and removes, piston 5 removes and drives hollow piston rod 8 and stretch out or retract, thereby make slip table 10 remove relative cylinder 1, can be with work piece or equipment fixing on push rod panel 101 or on slip table panel 102, thereby realize the motion of push-and-pull or translation.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. The utility model provides a push rod electric cylinder of external slip table structure, includes cylinder (1), protecgulum (2), hou gai (3) and driving motor (4), protecgulum (2) with back lid (3) are fixed in respectively cylinder (1) both ends, be equipped with piston (5), ball (6), screw nut (7) and hollow piston rod (8) in cylinder (1), driving motor (4) output with ball (6) transmission is connected, screw nut (7) with ball (6) looks adaptation, screw nut (7) with piston (5) are connected, piston (5) with cylinder (1) inside wall sliding fit, piston (5) are fixed in hollow piston rod (8) one end, hollow piston rod (8) other end passes protecgulum (2) and with protecgulum (2) sliding fit, the method is characterized in that: be fixed with guide rail (9) on cylinder (1) lateral wall, hollow piston rod (8) pass protecgulum (2) that end and are fixed with slip table (10), slip table (10) include push rod panel (101) and slip table panel (102), slip table (10) with guide rail (9) sliding fit.
2. The electric push rod cylinder with the external sliding table structure as claimed in claim 1, wherein: the push rod panel (101) and the sliding table panel (102) are in an L shape after being installed in a matched mode, and the push rod panel (101) is fixedly connected with the sliding table panel (102) through screws or pins or welding.
3. The electric push rod cylinder with the external sliding table structure as claimed in claim 2, wherein: the push rod panel (101) is fixedly connected with the hollow piston rod (8) through a screw.
4. The electric push rod cylinder with the external sliding table structure as claimed in claim 2, wherein: and a sliding block (103) is fixed on the sliding table panel (102), and the sliding block (103) is in sliding fit with the guide rail (9).
5. The electric push rod cylinder with the external sliding table structure as claimed in claim 1, wherein: rear cover (3) one side is connected with motor cabinet (41), driving motor (4) are connected on motor cabinet (41), are equipped with shaft coupling (42) in motor cabinet (41), and driving motor (4) are connected with ball (6) transmission through shaft coupling (42).
6. The electric push rod cylinder with the external sliding table structure as claimed in claim 1, wherein: the two ends of the front cover (2) and the rear cover (3) are respectively provided with a pull rod nut (11) mounting hole, and the two ends of the front cover (2) and the rear cover (3) are locked with the pull rod nuts (11) through pull rods (12).
7. The electric push rod cylinder with the external sliding table structure as claimed in claim 1, wherein: the dustproof combined ring is characterized in that a dustproof combined ring (21) matched with the hollow piston rod (8) and a guide sleeve (22) are embedded in the front cover (2), and an anti-collision pad (13) matched with the piston (5) is embedded in the front cover (2) and the rear cover (3).
8. The electric push rod cylinder with the external sliding table structure as claimed in claim 1, wherein: the piston (5) is sleeved with a wear-resistant ring (51) and a magnetic ring (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405549.3U CN210404973U (en) | 2019-08-28 | 2019-08-28 | Push rod electric cylinder with external sliding table structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405549.3U CN210404973U (en) | 2019-08-28 | 2019-08-28 | Push rod electric cylinder with external sliding table structure |
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| Publication Number | Publication Date |
|---|---|
| CN210404973U true CN210404973U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921405549.3U Active CN210404973U (en) | 2019-08-28 | 2019-08-28 | Push rod electric cylinder with external sliding table structure |
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| CN (1) | CN210404973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740039A (en) * | 2020-05-14 | 2021-12-03 | 北京机械设备研究所 | Linear displacement testing device and method of piston rod type multi-degree-of-freedom executing mechanism |
-
2019
- 2019-08-28 CN CN201921405549.3U patent/CN210404973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740039A (en) * | 2020-05-14 | 2021-12-03 | 北京机械设备研究所 | Linear displacement testing device and method of piston rod type multi-degree-of-freedom executing mechanism |
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