CN202986159U - A double-point c-frame press having the functions of slider running error prevention and compensation - Google Patents
A double-point c-frame press having the functions of slider running error prevention and compensation Download PDFInfo
- Publication number
- CN202986159U CN202986159U CN2012207014302U CN201220701430U CN202986159U CN 202986159 U CN202986159 U CN 202986159U CN 2012207014302 U CN2012207014302 U CN 2012207014302U CN 201220701430 U CN201220701430 U CN 201220701430U CN 202986159 U CN202986159 U CN 202986159U
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- CN
- China
- Prior art keywords
- slide block
- fuselage
- side plate
- machine body
- slider
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/044—Means preventing deflection of the frame, especially for C-frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/047—C-shaped frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model discloses a double-point c-frame press having the functions of slider running error prevention and compensation and belongs to the field of press technology. The double-point c-frame press comprises a machine body, a slider and a workbench connected fixedly with the machine body; the workbench is disposed below the slider; the machine body is formed by a rear wall, a left machine body side plate and a right machine body side plate; the inner wall of each machine body side plate is provided with a slider guide rail; a slider frame is disposed between the slider guide rails; a front support is disposed between the left and the right machine body side plates and above the slider; the inner wall of each machine body side plates is provided with a reinforcing rib plate penetrating the machine body from top to bottom; a reinforcing pull rod used for forcing the machine body to deform is disposed between the reinforcing rib plate and the corresponding machine body side plate; and the upper end head of each reinforcing pull rod is pressed against the lower end faces of the corresponding reinforcing rib plate and the corresponding machine side plate and the upper end of each reinforcing pull rod is provided with a locking device. With the reinforcing pull rods added to the inner walls of the machine body side plates, the vertical accuracy of slider running is improved and further the objective of slider running error prevention is achieved.
Description
Technical field
The utility model relates to the press technologies field, particularly a kind of two point gap-framepress with the prevention of slide block kinematic error and compensation.
Background technology
It is multiple that existing forcing press mainly is divided into open type, half-closed, straight side press etc. according to the airframe structure form.Mainly the distortion of scratching between the vertical line rigidity by fuselage, workbench, column spacing is weighed for the straight side press dynamic accuracy.Depending primarily on the fuselage angular rigidity for the gap-framepress dynamic accuracy weighs, wherein angular rigidity is mainly determined by the angular deformation at slide block guide rail place and the angular deformation of workbench again, the well-known total angular deformation of gap-framepress directly determines the classification standard of forcing press, therefore do not affect on the lathe of pay-off installation at some, with its opening both sides side plate sealing, be designed to half-closed structure, so just avoided the impact of fuselage angular deformation for the complete machine precision.But the fuselage that most of feeder equipment all needs to be equipped with open architecture is better installed, so the existence of gap-framepress structure is inevitable.
A kind of two point gap-framepress is arranged in prior art, comprise fuselage, slide block and the workbench that is fixedly connected with fuselage, workbench is located at the below of slide block, fuselage is surrounded by rear wall and two blocks of left and right fuselage side plate, the inwall of every block of fuselage side plate is equipped with slide block guide rail, slider frame is located between slide block guide rail, and between the fuselage side plate of two blocks of left and right and the top that is positioned at slide block also is provided with front support.
Its weak point is: during at press work, due to the impact that is subject to the punching press reaction force, front support strap movable slider guide rail recedes when forcing press, forms certain rear elevation angle (be commonly called as new line angle), the vertical error when causing the slide block punching press; In addition, forcing press is after long-term operation, the table top of workbench can produce certain flare oblique angle, adds that the elevation angle after slide block guide rail makes between the working face of table surface and slide block to form larger angle, thereby has caused the parallelism error of workbench and slide block working face.
This shows, the complete machine precision that how to improve the two point gap-framepress has just become a problem demanding prompt solution, for this problem, the effective workaround of taking in prior art has: (1) opposite opened press frame carries out structure optimization, the moment of inertia by increasing main bending resistant section and the bending resistant section centre of form is drawn close to the fuselage aditus laryngis.But the method has certain effect for the single-point open type press body, because the spacing of single-point open type fuselage biside plate is less, its side plate coupling stiffness is better, can reach certain precision by rational optimal design, for two point open type fuselage,, find in production practices apart from larger due to its fuselage side sheet room, can not reach gratifying effect by the moment of inertia that increases its bending resistant section; (2) material of press frame application high elastic modulus is manufactured, but elasticity modulus of materials is more or less the same substantially, and with high costs, and is not economical and practical in actual production.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of two point gap-framepress with slide block kinematic error prevention and compensation is provided, have advantages of simple in structure, processing and fabricating convenient, with low cost and punching precision is high.
the purpose of this utility model is achieved in that a kind of two point gap-framepress with the prevention of slide block kinematic error and compensation, comprise fuselage, slide block and the workbench that is fixedly connected with fuselage, described workbench is located at the below of slide block, described fuselage is surrounded by rear wall and two blocks of left and right fuselage side plate, the inwall of every block of fuselage side plate is equipped with slide block guide rail, described slider frame is located between slide block guide rail, between the two blocks of fuselage side plates in left and right and the top that is positioned at slide block also is provided with front support, the inwall of described fuselage side plate also is respectively equipped with the reinforcement gusset that runs through from top to bottom fuselage, also be provided with the reinforcement pull bar that impels frame deflection between described reinforcement gusset and fuselage side plate, the lower end of described reinforcement pull bar withstands on the lower surface of described reinforcement gusset and fuselage side plate, the upper end of described reinforcement pull bar is provided with locking device.
During the utility model work, control the pretightning force of reinforcement pull bar by the locking device of regulating reinforcement pull bar upper end, impel the fuselage side plate to deform, thereby produce top rake between the opening of drive front support and slide block guide rail, cancel out each other in the rear elevation angle that this top rake and forcing press produce when punching press, fuselage layback amplitude is reduced greatly, thereby guaranteed the perpendicularity of slide block guide rail, and then reduced the error of perpendicularity of slide block operation.Compared with prior art, the beneficial effects of the utility model are: on the basis that keeps existing two point open type press body structure, set up the reinforcement pull bar at the inwall of fuselage side plate, improved the vertical precision of slide block operation, and then realized the purpose of slide block kinematic error prevention; In addition, simple in structure, processing and fabricating convenience, with low cost that the utility model also has advantages of is convenient to marketing and is used.
As preferred version of the present utility model, described reinforcement pull bar is single ended bolt, offer bolt hole in described reinforcement gusset, described single ended bolt is arranged in bolt hole, the head of single ended bolt is crossed on the lower surface of reinforcement gusset and fuselage side plate, the afterbody of single ended bolt stretches out from the upper surface of fuselage side plate and reinforcement gusset, and described locking device is the locking nut that is complementary with single ended bolt.During installation, the afterbody of single ended bolt is in the inserting bolt hole, bottom of bolt hole and stretch out from the top of bolt hole, the head of single ended bolt locks nut and clamps reinforcing steel plate and fuselage side plate, the pretightning force that locking nut applies can be made adjusting according to needs of production, to guarantee the vertical precision of slide block operation.
As further improvement of the utility model, the working face of described slide block is provided with the compensation elevation angle along the opening direction of fuselage to the fuselage inboard.During punching press, the angle of deviation between the table top that the working face that reduced slide block and workbench are set at the compensation elevation angle, thereby reduced the parallelism error between slide block working face and table surface, improved the horizontal punching precision of slide block, reached the purpose of slide block kinematic error compensation.
As preferred version of the present utility model, the described compensation elevation angle is 1 ~ 5 jiao minute.The setting at the compensation elevation angle makes slide block produce outside tilting moment, but the compensation elevation angle be set to 1 ~ 5 jiao minute not only the effective compensation table surface the flare oblique angle and can avoid slide block to topple, guarantee production safety.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is that the B of Fig. 1 is to view.
Fig. 4 is the position relationship sketch of perfect condition sliding block and workbench.
Fig. 5 is for adjusting the position relationship sketch of front-slider and workbench.
Fig. 6 is for adjusting the position relationship sketch of rear slider and workbench.
Wherein, 1 slide block; 2 workbench; 3 rear walls; 4 fuselage side plates; 5 slide block guide rails; 6 front supports; 7 reinforcement gussets; 8 reinforcement pull bars; 9 locking devices.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
as Fig. 1, Fig. 2, shown in Figure 3, comprise fuselage, slide block 1 and the workbench 2 that is fixedly connected with fuselage, workbench 2 is located at the below of slide block 1, fuselage is surrounded by rear wall 3 and two blocks of left and right fuselage side plate 4, the inwall of every block of fuselage side plate 4 is equipped with slide block guide rail 5, slide block 1 is set up between slide block guide rail 5, between the two blocks of fuselage side plates 4 in left and right and the top that is positioned at slide block 1 also is provided with front support 6, the inwall of fuselage side plate 4 also is respectively equipped with the reinforcement gusset 7 that runs through from top to bottom fuselage, also be provided with the reinforcement pull bar 8 that impels frame deflection between reinforcement gusset 7 and fuselage side plate 4, the lower end of reinforcement pull bar 8 withstands on the lower surface of reinforcement gusset 7 and fuselage side plate 4, the upper end of reinforcement pull bar 8 is provided with locking device 9.Reinforcement pull bar 8 can be selected single ended bolt, offer bolt hole in reinforcement gusset 7, single ended bolt is arranged in bolt hole, the head of single ended bolt is crossed on the lower surface of reinforcement gusset 7 and fuselage side plate 4, the afterbody of single ended bolt stretches out from the upper surface of fuselage side plate 4 and reinforcement gusset 7, and locking device 9 is the locking nut that is complementary with single ended bolt.
As shown in Figure 4, the table top of the working face of slide block 1 and workbench 2 is parallel to each other, the axis of the axis of slide block 1 and workbench 2 is parallel to each other or on same straight line, when slide block 1 moves up and down, the axis of slide block 1 is mutually vertical with workbench 2 table tops, there is not the horizontal and vertical error during slide block 1 operation, is the position relationship sketch of perfect condition sliding block 1 with workbench 2.As shown in Figure 5, for adjusting the position relationship sketch of front-slider 1 and workbench 2, front support 6 drives slide block guide rail 5 and recedes, elevation angle gamma after forming, when causing slide block 1 operation, to the inboard inclination of fuselage, when moving for a long time, the table top of workbench 2 tilts to fuselage outer side in addition, has formed flare oblique angle β, make the working face of slide block 1 and the table top of workbench 2 form the larger angle of deviation, cause the horizontal punching precision of slide block 1 relatively poor.As shown in Figure 6, for adjusting the position relationship sketch of rear slider 1 and workbench 2, the locking device 9 of regulating reinforcement pull bar 8 upper ends is controlled the pretightning force of reinforcement pull bar 8, impel fuselage side plate 4 to deform, thereby produce top rake θ between the opening of drive front support 6 and slide block guide rail 5, the rear elevation angle gamma that this top rake θ and forcing press produce when punching press is cancelled out each other, fuselage layback amplitude is reduced greatly, thereby guaranteed the perpendicularity of slide block guide rail 5, and then reduced the error of perpendicularity of slide block 1 operation.The working face of slide block 1 is provided with compensation elevation angle Φ along the opening direction of fuselage to the fuselage inboard, reduced the angle between the table top of the working face of slide block 1 and workbench 2, make both convergences parallel, thereby reduced the parallelism error between the table top of the working face of slide block 1 and workbench 2, improve the horizontal punching precision of slide block 1, reached the purpose of slide block 1 kinematic error compensation.Arranging of elevation angle Φ of compensation can make slide block 1 center of gravity outwards be offset, and for guaranteeing slide block 1 safe operation, avoids occuring the security incidents such as slide block 1 topples, preferred 1 ~ 5 jiao minute of compensation elevation angle Φ.
the utility model is not limited to above-described embodiment, also can select stud as reinforcement pull bar 8, the locking nut of stud is crossed on the end face of reinforcement gusset 7 and fuselage side plate 4, can realize the Bidirectional clamping adjusting in two ends Shang Xia 8 of reinforcement pull bar, specifically can select according to needs of production, on the basis of the disclosed technical scheme of the utility model, those skilled in the art is according to disclosed technology contents, do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection domain of the present utility model.
Claims (4)
1. one kind has the two point gap-framepress that the slide block kinematic error prevents and compensates, comprise fuselage, slide block and the workbench that is fixedly connected with fuselage, described workbench is located at the below of slide block, described fuselage is surrounded by rear wall and two blocks of left and right fuselage side plate, the inwall of every block of fuselage side plate is equipped with slide block guide rail, described slider frame is located between slide block guide rail, between the two blocks of fuselage side plates in left and right and the top that is positioned at slide block also is provided with front support, it is characterized in that, the inwall of described fuselage side plate also is respectively equipped with the reinforcement gusset that runs through from top to bottom fuselage, also be provided with the reinforcement pull bar that impels frame deflection between described reinforcement gusset and fuselage side plate, the lower end of described reinforcement pull bar withstands on the lower surface of described reinforcement gusset and fuselage side plate, the upper end of described reinforcement pull bar is provided with locking device.
2. a kind of two point gap-framepress with slide block kinematic error prevention and compensation according to claim 1, it is characterized in that, described reinforcement pull bar is single ended bolt, offer bolt hole in described reinforcement gusset, described single ended bolt is arranged in bolt hole, the head of single ended bolt is crossed on the lower surface of reinforcement gusset and fuselage side plate, and the afterbody of single ended bolt stretches out from the upper surface of fuselage side plate and reinforcement gusset, and described locking device is the locking nut that is complementary with single ended bolt.
3. a kind of two point gap-framepress with slide block kinematic error prevention and compensation according to claim 1, is characterized in that, the working face of described slide block is provided with the compensation elevation angle along the opening direction of fuselage to the fuselage inboard.
4. a kind of two point gap-framepress with slide block kinematic error prevention and compensation according to claim 3, is characterized in that, the described compensation elevation angle is 1 ~ 5 jiao minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207014302U CN202986159U (en) | 2012-12-18 | 2012-12-18 | A double-point c-frame press having the functions of slider running error prevention and compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207014302U CN202986159U (en) | 2012-12-18 | 2012-12-18 | A double-point c-frame press having the functions of slider running error prevention and compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202986159U true CN202986159U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207014302U Expired - Fee Related CN202986159U (en) | 2012-12-18 | 2012-12-18 | A double-point c-frame press having the functions of slider running error prevention and compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202986159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963332A (en) * | 2014-04-02 | 2014-08-06 | 西安交通大学 | Open servo press with idle stroke and work stroke capable of being independently driven |
-
2012
- 2012-12-18 CN CN2012207014302U patent/CN202986159U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963332A (en) * | 2014-04-02 | 2014-08-06 | 西安交通大学 | Open servo press with idle stroke and work stroke capable of being independently driven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |