CN214640684U - Steel pipe saw cuts horizontal centering clamping device - Google Patents
Steel pipe saw cuts horizontal centering clamping device Download PDFInfo
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- CN214640684U CN214640684U CN202120128796.4U CN202120128796U CN214640684U CN 214640684 U CN214640684 U CN 214640684U CN 202120128796 U CN202120128796 U CN 202120128796U CN 214640684 U CN214640684 U CN 214640684U
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Abstract
The utility model provides a steel pipe saw cuts horizontal centering clamping device, include: a base; the transmission mechanism is in gear-rack transmission and comprises a gear horizontally arranged in the transverse direction and two racks meshed with two end parts of the gear, and the gear drives the two racks to synchronously center and approach or separate; the driving mechanism is fixed on the base and is connected with the gear; the clamping mechanism comprises two clamps arranged at two ends of the base, the bottoms of the clamps are connected with the clamp bottom plates, the two clamp bottom plates are respectively fixed on two racks, and the racks drive the clamp bottom plates and the clamps to do linear reciprocating motion together; the guide mechanism comprises a guide rail and a sliding block, the guide rail is fixed on the base, and the guide mechanism is used for guiding the clamp when moving. The device has high centering precision, high reliability and small maintenance amount, is favorable for reducing cost and improves the efficiency of saw cutting and processing of the steel pipe.
Description
Technical Field
The utility model belongs to the technical field of the steel pipe saw cuts equipment, concretely relates to steel pipe saw cuts horizontal centering clamping device.
Background
When the steel pipe in bank saw cuts, generally rely on the saw to saw cut, because the steel pipe is longer, rely on the difficult steel pipe centering of clamp of saw body, can lead to the central line nonparallel of steel pipe axis and saw, saw cut incision skew, and it is big to vibrate at the saw cutting in-process, and the saw bit consumes highly.
The existing steel pipe horizontal centering and clamping device adopts the mode of connecting rod hinging and sliding guide rail guiding, the device has better effect at the initial use stage, and has the defects that after the device is used for a period of time, the hinge pair and the sliding rail pair are easy to wear and need to be frequently maintained, otherwise, the centering precision is influenced, and the maintenance cost of the existing centering and clamping device is high.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel pipe saw cuts horizontal centering clamping device to solve present steel pipe centering clamping device structure at least and easily appear damaging, problem that cost of maintenance is high.
In order to achieve the above object, the present invention provides the following technical solutions:
a steel pipe sawing horizontal centering clamping device, the device comprising:
a base for providing support;
the transmission mechanism is in gear-rack transmission and comprises a gear horizontally arranged in the transverse direction and two racks meshed with two end parts of the gear, and the gear drives the two racks to synchronously center and approach or separate;
the driving mechanism is fixed on the base and is connected with the gear and used for driving the gear to rotate;
the clamping mechanism comprises two clamps arranged at two ends of the base, the clamps are vertically arranged and used for clamping rows of steel pipes, the bottoms of the clamps are connected with clamp bottom plates, the two clamp bottom plates are respectively fixed on two racks, and the racks drive the clamp bottom plates and the clamps to do linear reciprocating motion together;
the guide mechanism comprises two guide rails and a sliding block, the guide rails are fixed on the base and respectively arranged on the outer sides of the racks, the clamp bottom plate is connected with the sliding block, and the guide mechanism is used for guiding the clamp when moving.
In the above steel pipe sawing horizontal centering clamping device, preferably, the sliding block includes a ball, the sliding block can roll and slide on the guide rail, and the guide rail and the sliding block form a rolling guide rail pair.
In the steel pipe sawing horizontal centering and clamping device, preferably, the upper end of the clamp is provided with the roller, and the roller is sleeved on the mandrel through a tapered roller bearing so as to enable the roller to freely rotate around the axial lead of the clamp.
In the above steel pipe sawing horizontal centering clamping device, preferably, there are two tapered roller bearings, and both tapered roller bearings are disposed on the upper portion of the mandrel.
In the steel pipe sawing horizontal centering and clamping device, the driving mechanism is preferably a hydraulic motor.
Preferably, the device further comprises a connecting plate, the connecting plate is arranged above the gear, the gear is fixed on the connecting plate, the connecting plate is arranged between the two guide rails in a spanning mode and is located at the central position of the two clamps, and the connecting plate is used for mechanical limiting when the jaws clamp.
In the above horizontal centering and clamping device for steel pipe sawing, preferably, the connecting plate includes two side plates and a central plate, two ends of the central plate are respectively fixed above the side plates, bottom ends of the two side plates are respectively fixed on the two guide rails, and the gear is fixed on the central plate.
Preferably, the device further comprises end position limiting parts, the end position limiting parts are respectively arranged at two ends of the base, and the end position limiting parts are used for limiting the end position of the clamp base plate when the clamp base plate moves.
In the steel pipe sawing horizontal centering and clamping device, preferably, the bottom end of the mandrel is fixed on the clamp bottom plate through a locking nut.
In the above steel pipe sawing horizontal centering clamping device, preferably, the gear is connected with the hydraulic motor through a flat key, and the hydraulic motor is mounted on the base through a bolt.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the utility model discloses a steel pipe saw cuts horizontal centering clamping device adopts rack and pinion as drive mechanism, realizes synchronous centering, and even wearing and tearing appear in gear and rack do not influence the centering precision yet, and the centering is effectual. The steel pipe sawing horizontal centering and clamping device is high in centering precision, high in reliability, small in maintenance amount, beneficial to saving cost and improving steel pipe sawing processing efficiency.
The gear teeth of the gear and the rack transmission mechanism are horizontally arranged, dust is not easily accumulated on the gear side and the gear bottom, the connecting plate is arranged at the upper end of the gear, oxide skin on the surface of the steel pipe can be prevented from falling into the meshing surface of the gear and the rack, and the possibility of abrasion and blocking of the meshing part is reduced.
The upper end of the clamp of the device is provided with the roller which is vertically arranged and can freely rotate around the axis, when the steel pipe is clamped, the jaw can not clamp the steel pipe and can play a side guiding role, and the surface of the steel pipe and the surface of the clamp can not be damaged.
The device is installed between two rollers of the steel pipe conveying roller way, the floor area of a production line is not increased, and the practicability is high. This device can assist the clamp tightly to saw cutting the steel pipe, ensures that the incision that saw cuts does not incline, saw cuts steadily, reduces saw bit consumption simultaneously.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of a steel pipe sawing horizontal centering clamping device according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of FIG. 2;
fig. 5 is a sectional view taken along line B-B of fig. 2.
In the figure: 1. a base; 2. a gear; 3. a rack; 4. a guide rail; 5. a slider; 6. clamping; 7. a clamp base plate; 8. a roller; 9. a mandrel; 10. a tapered roller bearing; 11. a connecting plate; 111. a center plate; 112. a side plate; 12. a hydraulic motor; 13. end limit piece.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
As shown in fig. 1 to 5, according to the embodiment of the utility model, a steel pipe saw cuts horizontal centering clamping device is provided, arrange one set of horizontal centering clamping device and carry out the auxiliary clamping to the steel pipe in steel pipe length 1/2-1/3 department to the incision skew is not cut when guaranteeing to saw, saw cuts steadily, reduces saw bit consumption simultaneously.
The utility model provides a steel pipe saw cuts horizontal centering clamping device installs between two rollers of the steel pipe rollgang of saw outlet side or entrance side, does not increase the area of production line. The device includes: the device comprises a base, a transmission mechanism, a driving mechanism, a clamping mechanism and a guide mechanism. After the steel pipe is clamped by the clamp of the saw body, the driving mechanism of the device is started, the driving transmission mechanism operates to drive the clamping mechanism to move in a centering way, the guiding mechanism is used for guiding, the upper part of the clamping mechanism is used for clamping the rows of steel pipes, and accurate centering and clamping are completed.
The transmission mechanism is used for transmitting the gear 2 and the rack 3 and comprises the gear 2 which is horizontally arranged in the transverse direction and two racks 3 which are meshed with two end parts of the gear 2, and the gear 2 drives the two racks 3 to synchronously center and approach or leave; the axis of the gear 2 is in a vertical direction. The gear ends of the two racks 3 are laterally and oppositely arranged, and the transmission mechanism with the gear 2 and the racks 3 is not easy to accumulate dust on the gear sides and the gear bottoms, so that the possibility of abrasion and blocking of the meshing parts is reduced.
The driving mechanism is fixed on the base 1 and connected with the gear 2 and used for driving the gear 2 to rotate. In the embodiment of the present invention, the driving mechanism is a hydraulic motor 12. Preferably, the gear 2 is connected with the hydraulic motor 12 through a flat key, and the hydraulic motor 12 is mounted on the base 1 through bolts.
The clamping mechanism comprises two clamps 6 arranged at two ends of a horizontal base 1, the clamps 6 are vertically arranged, the two clamps 6 are used for clamping steel pipes in rows, the bottoms of the clamps 6 are connected with clamp bottom plates 7, the two clamp bottom plates 7 are respectively fixed on two racks 3, and the racks 3 drive the clamp bottom plates 7 and the clamps 6 to do linear reciprocating motion together.
In the embodiment of the utility model, the upper end of clamp 6 is provided with roller 8, and roller 8 cup joints on dabber 9 through tapered roller bearing 10 to make roller 8 freely revolve around the axial lead of clamp 6. Preferably, there are two tapered roller bearings 10, and the two tapered roller bearings 10 are provided at an upper portion of the spindle 9. The bottom end of the mandrel 9 is fixed to the clamp base plate 7 by a lock nut so that the clamp 6 moves together with the clamp base plate 7. The roller 8 structure can prevent the jaw from clamping the steel pipe in the conveying process of the steel pipe, and can play a side guiding role, and in addition, the surface of the steel pipe and the surface of the clamp 6 can not generate clamping marks in the steel pipe clamping process.
The whole horizontal centering and clamping device is arranged between the steel pipe conveying roller ways, the height of each roller 8 is higher than that of an upper bus of each steel pipe conveying roller way, the rest parts of the horizontal centering and clamping devices are lower than the upper bus of each conveying roller way in the vertical direction, the steel pipes are sent into the space between two vertical rollers 8 of the clamp 6 through the conveying roller ways, when the steel pipes are finally clamped, the lower bus of each steel pipe is in contact with the upper bus of each conveying roller way, and the side bus of each steel pipe is in contact with the vertical roller 8.
The guide mechanism comprises a guide rail 4 and a sliding block 5, the guide rail 4 is fixed on the base 1, the guide rail 4 comprises two guide rails which are respectively arranged on the outer sides of the racks 3, the clamp bottom plate 7 is connected with the sliding block 5, the sliding block 5 can slide on the guide rail 4, and the guide mechanism is used for guiding the clamp 6 when moving.
The utility model discloses an in the concrete embodiment, slider 5 includes the ball, and slider 5 can roll on guide rail 4 and slide, and guide rail 4 and slider 5 constitute rolling guide is vice. The utility model discloses a rolling guide is vice for there being not backlash rolling guide, and the direction precision is high and wear-resisting. During synchronous centering movement, the gear 2 is driven to rotate by the hydraulic motor 12, the rack 3 synchronously moves under the meshing of the gear 2, and the clamp bottom plate 7 is fixed on the rack 3 and the slide block 5, so that the clamp bottom plate 7 and the clamp 6 move together in a centering manner to clamp the steel pipe under the guiding action of the rolling guide rail pair.
The utility model discloses an in the concrete embodiment, horizontal centering clamping device still includes connecting plate 11, and connecting plate 11 sets up in gear 2 top, and gear 2 is fixed on connecting plate 11, and connecting plate 11 strides and establishes between two guide rails 4 to be located two 6 central points of clamp and put, connecting plate 11 is used for keeping silent the machinery when pressing from both sides tightly spacing. Preferably, the connecting plate 11 includes two side plates 112 and a central plate 111, two ends of the central plate 111 are respectively fixed above the side plates 112, bottom ends of the two side plates 112 are respectively fixed on the two rails 4, the gear 2 is fixed on the central plate 111, and the connecting plate 11 is not in contact with the rack 3. The connecting plate 11 can play mechanical limiting action when the steel pipe centering is pressed from both sides tightly on the one hand, prevents that the jaw of clamp 6 from pressing from both sides when tight the aperture undersize, and on the other hand can prevent to saw cut the meshing portion that the surperficial cinder of in-process steel pipe falls into gear 2 rack 3, avoids gear 2 rack 3 to produce wearing and tearing and the dead phenomenon of card.
The utility model discloses an in the concrete embodiment, this steel pipe saw cuts centering clamping device still includes tip locating part 13, and tip locating part 13 sets up two tip at horizontal base 1 respectively, and tip locating part 13 is used for the mechanical spacing of tip when clamp bottom plate 7 removes to both ends, prevents that the opening is too big when keeping silent of clamp 6 and opening.
The utility model discloses a steel pipe saw cuts centering clamping device's equipment and use as follows:
assembling the gear 2 and the hydraulic motor 12 into a whole by using a flat key, and installing the hydraulic motor 12 on the base 1 through a bolt; after the two racks 3 are meshed with the gear 2, the racks 3 and the clamp bottom plate 7 are fixed together by using bolts; connecting the two guide rails 4 with the base 1 by bolts; and finally, fixing the left clamp 6 and the right clamp 6 on a clamp bottom plate 7 by using locking nuts, and fixing the clamp bottom plate 7 on the sliding block 5, so that the whole horizontal centering and clamping device is assembled.
The horizontal centering and clamping device is arranged between rollers of a steel pipe conveying roller way, and the automatic and manual control of the device can be realized by utilizing the hydraulic and electric control of the sawing body.
To sum up, the utility model discloses a steel pipe saw cuts horizontal centering clamping device adopts rack and pinion as drive mechanism, realizes synchronous centering, even wearing and tearing appear in gear and rack do not influence the centering precision yet. The device also adopts a rolling guide rail pair without side gaps for guiding, the guiding precision is high, the wear resistance is good, the centering precision of the device is higher, the reliability is high, the maintenance amount is small, the cost is saved, and the steel pipe sawing efficiency is improved.
The gear teeth of the gear and the rack transmission mechanism are horizontally arranged, dust is not easily accumulated on the gear side and the gear bottom, the connecting plate is arranged at the upper end of the gear, oxide skin on the surface of the steel pipe can be prevented from falling into the meshing surface of the gear and the rack, and the possibility of abrasion and blocking of the meshing part is reduced.
The upper end of the clamp of the device is provided with the roller which is vertically arranged and can freely rotate around the axis, when the steel pipe is clamped, the jaw can not clamp the steel pipe and can play a side guiding role, and the surface of the steel pipe and the surface of the clamp can not be damaged.
The device is installed between two rollers of the steel pipe conveying roller way, the floor area of a production line is not increased, and the practicability is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steel pipe saw cuts horizontal centering clamping device which characterized in that, the device includes:
a base for providing support;
the transmission mechanism is in gear-rack transmission and comprises a gear horizontally arranged in the transverse direction and two racks meshed with two end parts of the gear, and the gear drives the two racks to synchronously center and approach or separate;
the driving mechanism is fixed on the base and is connected with the gear and used for driving the gear to rotate;
the clamping mechanism comprises two clamps arranged at two ends of the base, the clamps are vertically arranged and used for clamping rows of steel pipes, the bottoms of the clamps are connected with clamp bottom plates, the two clamp bottom plates are respectively fixed on two racks, and the racks drive the clamp bottom plates and the clamps to do linear reciprocating motion together;
the guide mechanism comprises two guide rails and a sliding block, the guide rails are fixed on the base and respectively arranged on the outer sides of the racks, the clamp bottom plate is connected with the sliding block, and the guide mechanism is used for guiding the clamp when moving.
2. The steel pipe sawing horizontal centering clamping device according to claim 1, wherein the sliding block comprises a ball, the sliding block can roll and slide on the guide rail, and the guide rail and the sliding block form a rolling guide rail pair.
3. The steel pipe sawing horizontal centering and clamping device as claimed in claim 2, wherein a roller is arranged at the upper end of the clamp, and the roller is sleeved on the mandrel through a tapered roller bearing so as to enable the roller to freely rotate around the axis line of the clamp.
4. The steel pipe sawing horizontal centering clamping device according to claim 3, wherein there are two tapered roller bearings, and both tapered roller bearings are disposed on an upper portion of the mandrel.
5. The steel pipe sawing horizontal centering clamping device of claim 1, wherein the driving mechanism is a hydraulic motor.
6. The steel pipe sawing horizontal centering clamping device as claimed in claim 1, wherein the device further comprises a connecting plate, the connecting plate is arranged above the gear, the gear is fixed on the connecting plate, the connecting plate spans between the two guide rails and is located at the center of the two clamps, and the connecting plate is used for mechanical limiting when the jaws clamp.
7. The steel pipe sawing horizontal centering clamping device according to claim 6, wherein the connecting plate comprises two side plates and a central plate, two ends of the central plate are respectively fixed above the side plates, bottom ends of the two side plates are respectively fixed on the two guide rails, and the gear is fixed on the central plate.
8. The steel pipe sawing, horizontal centering and clamping device according to claim 1, further comprising end position limiting members respectively disposed at both ends of the base for limiting the ends of the clamp base plate when moving.
9. The steel pipe sawing horizontal centering clamping device as claimed in claim 4, wherein the bottom end of said mandrel is fixed to said clamp base plate by a lock nut.
10. The steel pipe sawing horizontal centering clamping device according to claim 5, wherein the gear is connected with the hydraulic motor through a flat key, and the hydraulic motor is mounted on the base through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128796.4U CN214640684U (en) | 2021-01-18 | 2021-01-18 | Steel pipe saw cuts horizontal centering clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128796.4U CN214640684U (en) | 2021-01-18 | 2021-01-18 | Steel pipe saw cuts horizontal centering clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214640684U true CN214640684U (en) | 2021-11-09 |
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ID=78516108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120128796.4U Active CN214640684U (en) | 2021-01-18 | 2021-01-18 | Steel pipe saw cuts horizontal centering clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214640684U (en) |
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2021
- 2021-01-18 CN CN202120128796.4U patent/CN214640684U/en active Active
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