CN219004167U - Closed pull head device of tempering stretching straightener for sucker rod - Google Patents
Closed pull head device of tempering stretching straightener for sucker rod Download PDFInfo
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- CN219004167U CN219004167U CN202223511966.0U CN202223511966U CN219004167U CN 219004167 U CN219004167 U CN 219004167U CN 202223511966 U CN202223511966 U CN 202223511966U CN 219004167 U CN219004167 U CN 219004167U
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- pull head
- trolley
- stretching
- end plate
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Abstract
The utility model relates to the technical field of heat treatment of sucker rods, in particular to a closed pull head device of a tempering stretching straightener for sucker rods, which comprises a lathe bed cylinder supporting guide rail, wherein the lower parts of a rear end plate of a stretching trolley and a front end plate of the stretching trolley are connected with a lower slideway plate of the stretching trolley through bolts, the upper parts of the rear end plate and the front end plate of the stretching trolley are connected with upper connecting plates of the stretching trolley which are arranged at two sides of the stretching trolley through bolts, and a feeding space is reserved between the upper connecting plates of the two stretching trolley to form a main body of the stretching trolley at two ends; according to the utility model, the conical part of the pull head is pulled into the positioning taper sleeve of the front end plate of the stretching trolley through the axial closing and locking cylinder, the closing pull head is locked, the stretching trolley at two ends is arranged on the cylindrical guide rail which is machined by cutting, the coaxiality of the two ends of the workpiece driven by the pull head to enter the conical locking sleeve is ensured, the circumferential curved surface of the workpiece bearing tension is uniformly stressed in the stretching and straightening process of the workpiece, and the straightness of the straightened sucker rod meets the standard requirement.
Description
Technical Field
The utility model relates to the technical field of heat treatment of sucker rods, in particular to a closed pull head device of a tempering stretching straightener for sucker rods.
Background
In the center of the prior art, the pull head of the tempering stretching straightener for the sucker rod is a non-closed pull head with an opening on a conical bearing surface arranged in a conical sleeve of a front end plate of a stretching trolley, or is a pull head with an upper plate type opening arranged on a pull head seat, and the pull head has the following defects:
in the process of stretching and straightening the workpiece, the contact surface of the part of the two ends of the sucker rod bearing the pulling force and the pull head does not form a closed ring, so that the workpiece subjected to stretching and straightening is easy to bend towards the opening direction at the rod head.
Disclosure of Invention
The utility model designs a closed pull head device of a tempering and stretching straightener for a sucker rod, which aims to solve the problems.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
a closed pull head device of a draw rod tempering and stretching straightener comprises a lathe bed cylinder supporting guide rail, a sliding copper bearing, a stretching trolley rear end plate, a pull head closing and locking seat, a closed pull head seat, a workpiece, a closed pull head, a pull head closing cylinder, a stretching trolley front end plate, a pull head closing and locking cylinder, a pull head closing and locking taper sleeve, a pull head closing and locking cylinder connecting plate, a pull head closing cylinder connecting flange, a closing cylinder front supporting plate, a closing cylinder rear mounting plate, a stretching trolley lower slideway plate and a stretching trolley upper connecting plate;
the lower parts of the rear end plate of the stretching trolley and the front end plate of the stretching trolley are connected with a lower slideway plate of the stretching trolley through bolts, the upper parts of the rear end plate of the stretching trolley and the front end plate of the stretching trolley are connected with upper connecting plates of the stretching trolley which are arranged at two sides of the stretching trolley through bolts, and a feeding space is reserved between the upper connecting plates of the two stretching trolleys to form a stretching trolley main body at two ends;
the sliding copper bearings are arranged in mounting holes on two sides of the rear end plate of the stretching trolley and the front end plate of the stretching trolley, one end of each sliding copper bearing is axially fixed with the rear end plate of the stretching trolley and the front end plate of the stretching trolley by an outer clamping spring and the other end of each sliding copper bearing is in sliding fit with a cylindrical support guide rail of the lathe bed, one end of each sliding copper bearing is connected with a screw rod and can axially move under the adjustment of a screw rod nut, the other end of each sliding copper bearing is connected with a piston rod of a hydraulic cylinder, and stretching reset axial movement is performed according to instructions;
the pull head closing cylinder connecting flange is connected with the closing pull head seat through bolts, the closing pull head is connected with the closing pull head seat through a dovetail groove, the pull head closing cylinder piston rods on two sides extend out to drive the pull head to be closed, and the pull head closing cylinder piston rods on two sides are recovered to drive the pull head to be opened;
the pull head closing and locking cylinder is arranged on the front end plate of the stretching trolley, the pull head closing and locking cylinder connecting plate is connected with a closing cylinder front supporting plate and a closing cylinder rear mounting plate on a fixed pull head closing and locking seat through bolts, a piston rod of the pull head closing and locking cylinder is connected with the pull head closing and locking cylinder connecting plate, a pull head closing and locking taper sleeve is arranged in the middle of the front end plate of the stretching trolley, the outer conical surface of the closing pull head is pulled into a taper hole of the pull head closing and locking taper sleeve when the pull head closing and locking cylinder piston rod is recovered, and the outer conical surface of the closing pull head is withdrawn from the taper hole of the pull head closing and locking taper sleeve to radially unlock the closing pull head when the pull head closing and locking cylinder piston rod stretches out.
Further, the bed cylinder support guide rail, the stretcher base, the middle support plate and the bearing end plate form a stretcher main body.
Further, the pull head closing locking taper sleeve and the front end plate of the stretching trolley are provided with feeding V-shaped grooves, so that the stretched and straightened workpiece can be taken out by the pneumatic vertical lifting feeder.
The beneficial effects of the utility model are as follows:
after a workpiece enters a radially opened pull head, a pull head closing cylinder of a closed pull head device drives a split type pull head to move radially, so that the head of the workpiece is positioned in a closed annular curved surface of the closed pull head, a conical part of the pull head is pulled into a positioning taper sleeve of a front end plate of a stretching trolley through an axial closed locking cylinder, the closed pull head is locked, stretching trolleys at two ends are arranged on a cylindrical guide rail which is machined in a cutting mode, coaxiality of the workpiece driven by the pull head and the conical locking sleeve is guaranteed, the circumferential curved surface of the workpiece bearing tension is stressed uniformly in a stretching and straightening process, and the straightness of a sucker rod after straightening meets standard requirements.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of a structure of a lower slideway plate of the stretching trolley.
In the drawings, the list of components represented by the various numbers is as follows:
1. the drawing trolley comprises a machine body cylinder supporting guide rail, 2, a sliding copper bearing, 3, a drawing trolley rear end plate, 4, a pull head closing and locking seat, 5, a closing pull head seat, 6, a workpiece, 7, a closing pull head, 8, a pull head closing cylinder, 9, a drawing trolley front end plate, 10, a pull head closing and locking cylinder, 11, a pull head closing and locking taper sleeve, 12, a pull head closing and locking cylinder connecting plate, 13, a pull head closing cylinder connecting flange, 14, a closing cylinder front supporting plate, 15, a closing cylinder rear mounting plate, 16, a drawing trolley lower slideway plate, 17 and a drawing trolley upper connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to figures 1-2, a closed pull head device of a drawing straightening machine for tempering and drawing a sucker rod is characterized in that a main body of the equipment is formed by a profile steel welding base, two end bearing end plates, a lathe bed cylindrical support guide rail 1 for bearing axial compressive stress during drawing and straightening of a workpiece and a middle interval support plate, so that the rigidity of the equipment is satisfied without deformation during drawing and straightening of the sucker rod;
the lower parts of the rear end plate 3 of the stretching trolley and the front end plate 9 of the stretching trolley are connected with a lower slideway plate 16 of the stretching trolley through bolts, the upper parts of the rear end plate 3 of the stretching trolley and the front end plate 9 of the stretching trolley are connected with upper connecting plates 17 of the stretching trolley through bolts, so that a main body of the stretching trolley is formed, and a feeding space is reserved between the upper connecting plates 17 of the two stretching trolleys;
the copper sliding bearings 2 are arranged in mounting holes on two sides of the rear end plate 3 of the stretching trolley and the front end plate 9 of the stretching trolley, one end of each copper sliding bearing 2 is axially fixed with the rear end plate 3 of the stretching trolley and the front end plate 9 of the stretching trolley by an outer clamping spring, an inner hole of each copper sliding bearing 2 is in sliding fit with the outer cylindrical surface of the cylindrical support guide rail 1 of the lathe bed, the rear end plate of one end of the stretching trolley is connected with a specification length adjusting screw rod of the stretching machine, the axial position of the one end of the stretching trolley on the cylindrical support guide rail 1 of the lathe bed is adjusted according to the length of a workpiece to be stretched by the stretching machine, the rear end plate of the other end of the stretching trolley is connected with a piston rod of a stretching cylinder arranged on the one end bearing end plate, and the piston rod of the cylinder reciprocates to drive the stretching trolley to stretch and reset;
a guide flat key is embedded on the stretching trolley lower slideway plate 16, a rectangular guide groove at the lower part of the pull head closing and locking slide seat 4 is in sliding fit with the guide flat key, and the pull head closing and locking slide seat 4 can axially slide on the flat key under the drive of the pull head closing and locking cylinder 10;
the two ends of the pull head closing and locking sliding seat 4 are provided with pull head closing cylinders 8 through a front closing cylinder supporting plate 14 and a rear closing cylinder mounting plate 15, piston rod threads of the pull head closing cylinders 8 are connected with pull head closing cylinder connecting flanges 13, the pull head closing cylinder connecting flanges 13 are connected with the closing pull head seat 5 through bolts, the closing pull heads 7 are connected with the closing pull head seat 5 through dovetail grooves, and piston rods of the pull head closing cylinders 8 at the two ends extend out to drive the closing pull heads 7 to be radially closed;
the two pull head closing and locking cylinders 10 are arranged on the front end plate 9 of the stretching trolley, a piston rod of each pull head closing and locking cylinder 10 is connected with a pull head closing and locking cylinder connecting plate 12, the pull head closing and locking cylinder connecting plate 12 is arranged between a closing cylinder front supporting plate 14 and a closing cylinder rear mounting plate 15 on the fixed pull head closing and locking slide seat 4, and the pull head closing and locking slide seat 4 and all parts arranged on the pull head closing and locking slide seat are driven by the pull head closing and locking cylinders 10 to axially move according to instructions;
the pull head closing and locking taper sleeve 11 is arranged in the middle of the front end plate 9 of the stretching trolley, a piston rod of the pull head closing and locking cylinder 10 is retracted, the pull head closing and locking sliding seat 4 is driven to axially move to drive the outer conical surface of the pull head 7 which is already closed on the pull head closing and locking sliding seat 4 to enter a taper hole of the pull head closing and locking taper sleeve 11, locking of the closing pull head is achieved, the piston rod of the pull head closing and locking cylinder 10 extends out, the pull head closing and locking sliding seat 4 is driven to axially move to drive the outer conical surface of the pull head 7 which is already closed on the pull head closing and locking sliding seat 4 to be separated from the taper hole of the pull head closing and locking taper sleeve 11, and unlocking of the closing pull head is achieved;
the piston rods of the two-end pull head closing cylinders 8 are retracted to drive the closing pull heads 7 to radially open, the upper parts of the closing locking taper sleeve 11 and the front end plate 9 of the stretching trolley are provided with feeding and discharging V-shaped grooves, and after the closing pull heads 7 are radially opened, the pneumatic vertical lifting discharging device is used for completing the discharging of the workpiece after straightening.
All electric parts and components in the scheme are universal standard parts or parts known by the skilled person, the structure and principle of the electric parts and components are known by the skilled person through technical manuals or known by conventional experimental methods, the model and the scheme can be operated normally, all electric parts and the power supply matched with the electric parts are connected through wires, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, the following working principles are referred to, the electric connection is completed in sequence among the electric parts, and the detailed connection means are known in the art and are not used for explaining electric control.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (3)
1. The utility model provides a closed pull head device of tensile straightener of sucker rod tempering which characterized in that: comprising
The drawing trolley comprises a machine body cylinder support guide rail (1), a sliding copper bearing (2), a drawing trolley rear end plate (3), a drawing trolley closing locking seat (4), a closing drawing head seat (5), a workpiece (6), a closing drawing head (7), a drawing head closing cylinder (8), a drawing trolley front end plate (9), a drawing head closing locking cylinder (10), a drawing head closing locking taper sleeve (11), a drawing head closing locking cylinder connecting plate (12), a drawing head closing cylinder connecting flange (13), a closing cylinder front supporting plate (14), a closing cylinder rear mounting plate (15), a drawing trolley lower slideway plate (16) and a drawing trolley upper connecting plate (17);
the lower parts of the rear end plate (3) and the front end plate (9) of the stretching trolley are connected with the lower slideway plate (16) of the stretching trolley through bolts, the upper parts of the rear end plate and the front end plate are connected with the upper connecting plates (17) of the stretching trolley through bolts, and a feeding space is reserved between the upper connecting plates (17) of the stretching trolley, so that a stretching trolley main body at two ends is formed;
the sliding copper bearings (2) are arranged in mounting holes on two sides of a rear end plate (3) of the stretching trolley and a front end plate (9) of the stretching trolley, one end of each sliding copper bearing (2) is axially fixed with the rear end plate (3) of the stretching trolley and the front end plate (9) of the stretching trolley by an outer clamping spring at the other end of each shoulder, an inner hole of each sliding copper bearing (2) is in sliding fit with a cylindrical support guide rail (1) of the lathe bed, one end of each sliding copper bearing is connected with a screw rod and can axially move under the adjustment of a screw rod nut, the other end of each sliding copper bearing is connected with a piston rod of the hydraulic cylinder, and stretching reset axial movement is performed according to instructions;
the pull trolley lower slideway plate (16) is inlaid with a flat key, a rectangular guide groove at the lower part of the pull head closing and locking seat (4) is in sliding fit with the flat key, pull head closing cylinders (8) are arranged at two ends of the upper part of the pull head closing and locking seat (4) through a closing cylinder front supporting plate (14) and a closing cylinder rear mounting plate (15), piston rod threads of the pull head closing cylinders (8) are connected with pull head closing cylinder connecting flanges (13), the pull head closing cylinder connecting flanges (13) are connected with a closing pull head seat (5) through bolts, the closing pull heads (7) are connected with the closing pull head seat (5) through dovetail grooves, piston rods of the pull head closing cylinders (8) at two sides extend out to drive the pull heads to be closed, and piston rods of the pull head closing cylinders (8) at two sides are recovered to drive the pull heads to open;
the pull head closing and locking cylinder (10) is installed on a front end plate (9) of the stretching trolley, a pull head closing and locking cylinder connecting plate (12) is connected with a closing cylinder front supporting plate (14) and a closing cylinder rear mounting plate (15) on a fixed pull head closing and locking seat (4) through bolts, a piston rod of the pull head closing and locking cylinder (10) is connected with the pull head closing and locking cylinder connecting plate (12), a pull head closing and locking taper sleeve (11) is installed in the middle of the front end plate (9) of the stretching trolley, an outer conical surface of the closing pull head (7) is pulled into a taper hole of the pull head closing and locking taper sleeve (11) when the piston rod of the pull head closing and locking cylinder (10) stretches out, and the outer conical surface of the closing pull head (7) is withdrawn from the taper hole of the pull head closing and locking taper sleeve (11) to radially unlock the closing pull head (7).
2. The closed slider assembly for a sucker rod tempering tensile straightener of claim 1, wherein: the machine body cylinder support guide rail (1), the stretcher base, the middle support plate and the bearing end plate form a stretcher main body.
3. The closed slider assembly for a sucker rod tempering tensile straightener of claim 1, wherein: the pull head closing locking taper sleeve (11) and the front end plate (9) of the stretching trolley are provided with feeding V-shaped grooves, so that the stretched and straightened workpiece can be taken out by the pneumatic vertical lifting feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223511966.0U CN219004167U (en) | 2022-12-28 | 2022-12-28 | Closed pull head device of tempering stretching straightener for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223511966.0U CN219004167U (en) | 2022-12-28 | 2022-12-28 | Closed pull head device of tempering stretching straightener for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219004167U true CN219004167U (en) | 2023-05-12 |
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ID=86230747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223511966.0U Active CN219004167U (en) | 2022-12-28 | 2022-12-28 | Closed pull head device of tempering stretching straightener for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219004167U (en) |
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2022
- 2022-12-28 CN CN202223511966.0U patent/CN219004167U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Closed Pulling Head Device for the Tempering, Stretching, and Straightening Machine of Sucker Rods Effective date of registration: 20230810 Granted publication date: 20230512 Pledgee: Shengjing Bank Co.,Ltd. Tieling County sub branch Pledgor: Tieling Meite Machinery Technology Co.,Ltd. Registration number: Y2023210000202 |