CN211276272U

CN211276272U - Adjustable spacing closed single-point press

Info

Publication number: CN211276272U
Application number: CN201921938040.5U
Authority: CN
Inventors: 于仁刚
Original assignee: Jinan Jingquan Precision Forging Co ltd
Current assignee: Jinan Jingquan Precision Forging Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-18
Anticipated expiration: 2029-11-12

Abstract

The utility model belongs to the field of closed single-point presses, in particular to an adjustable limit-limiting closed single-point press, aiming at the problem that the limit of the prior closed single-point press to the machined part can not be adjusted, which is inconvenient for the machined parts with different sizes, the utility model provides a proposal that comprises a base, a fixed frame is fixedly connected with the top of the base, a hydraulic cylinder is fixedly connected with the inner wall of the top of the fixed frame, a pressing die is fixedly connected with the output shaft of the hydraulic cylinder, an installation cavity is arranged on the base, an electric push rod is fixedly connected with the inner wall of one side of the installation cavity, a rack is fixedly connected with the output shaft of the electric push rod, the utility model has reasonable structure and simple operation, two clamping plates can be moved towards the direction of being close to or away from each other by the electric push rod, thereby facilitating, the purpose of adjustable spacing has been reached, application range has been enlarged.

Description

Adjustable spacing closed single-point press

Technical Field

The utility model relates to a closed single-point press technical field especially relates to an adjustable spacing closed single-point press.

Background

The closed single-point press can complete cold stamping processes such as blanking, forming, bending, shallow drawing, correcting and the like, can also perform a hot trimming process of a forged piece, and is one of essential devices for pressing various large and medium-sized sheet forming workpieces.

However, the existing closed single-point press cannot adjust the limit of a machined part, and is inconvenient for machining machined parts with different sizes, so that an adjustable and limited closed single-point press is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having current closed single point press among the prior art and adjusting in the spacing of machined part, inconvenient shortcoming of processing is carried out to unidimensional machined part, and the adjustable spacing closed single point press that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable and limiting closed single-point press comprises a base, wherein a fixed frame is fixedly connected to the top of the base, a hydraulic cylinder is fixedly connected to the inner wall of the top of the fixed frame, a pressing die is fixedly connected to the output shaft of the hydraulic cylinder, an installation cavity is arranged on the base, an electric push rod is fixedly connected to the inner wall of one side of the installation cavity, a rack is fixedly connected to the output shaft of the electric push rod, a rotating shaft is rotatably connected to the inside of the installation cavity, a gear is fixedly sleeved on the rotating shaft and meshed with the rack, a moving plate is connected to the rotating shaft in a threaded manner, two sides of the moving plate are respectively connected with the inner walls of two sides of the installation cavity in a sliding manner, two sliding sleeves are symmetrically and slidably connected to the moving plate, first connecting rods are rotatably connected to the tops, the tops of the two sliding plates are connected with a fixed plate in a sliding way, the two sides of the two fixed plates are respectively and rotatably connected with a second connecting rod and a third connecting rod, one end of each of the two third connecting rods is respectively and rotatably connected with the inner walls of the two sides of the mounting cavity, one end of each of the two second connecting rods is respectively and rotatably connected with a vertical plate, the tops of the two vertical plates are both fixedly connected with clamping plates, the tops of the two clamping plates penetrate through the inner wall of the top of the mounting cavity and extend to the upper part of, a workpiece is placed at the top of the base, one side of the two clamping plates close to each other is tightly attached to the two sides of the workpiece respectively, can make two clamp plates remove to the direction of being close to each other or keeping away from each other through electric putter, conveniently fix the machined part of equidimension not, reach adjustable spacing purpose, enlarge application range, solve the not enough that exists among the prior art.

Preferably, equal fixedly connected with telescopic link on the both sides inner wall of installation cavity, one side fixed connection that two telescopic links are close to each other one end respectively and two risers kept away from each other sets up the telescopic link, both can support the riser, also can make the riser can steadily remove, can not take place the offset.

Preferably, the bottom of rack is symmetrical two gag lever posts of fixedly connected with, and the bottom of two gag lever posts all with the bottom inner wall sliding connection of installation cavity, set up the gag lever post, can make the rack can steady movement, can not take place the offset.

Preferably, two chutes are symmetrically formed in the top of the moving plate, slide bars are fixedly connected in the two chutes, and the two slide bars are respectively in sliding connection with the two sliding sleeves, so that the sliding sleeves can be supported and can be smoothly moved.

Preferably, the slide bar is sleeved with a spring, two ends of the spring are fixedly connected with one side of the sliding sleeve and one side of the inner wall of the sliding groove respectively, and the spring is arranged and can provide reset power for the sliding sleeve.

The utility model discloses in, an adjustable spacing closed single-point press, owing to set up electric putter, electric putter can make the rack remove, and then can drive the pivot through the gear and rotate, the pivot can make the movable plate remove, can be under the effect of first connecting rod, can make the fixed plate remove, the fixed plate can be under the effect of second connecting rod and third connecting rod, make the riser remove, two risers can drive two clamp plates and remove to the direction that is close to each other or keeps away from each other, just so can adjust the distance between two clamp plates according to the size of machined part, the convenience is fixed the processing price of equidimension not, enlarge application scope.

Owing to set up the pneumatic cylinder, can make the moulding-die remove downwards fast through the pneumatic cylinder, conveniently process the machined part, easy operation because the machined part is fixed, so can not take place the displacement when processing, improved machining efficiency.

The utility model discloses rational in infrastructure, easy operation can make two clamp plates remove to the direction that is close to each other or keeps away from each other through electric putter, and the convenience is fixed the machined part of equidimension not, has reached adjustable spacing purpose, has enlarged application range.

Drawings

Fig. 1 is a schematic structural view of a closed single-point press with adjustable position limit according to the present invention;

fig. 2 is a schematic view of a cross-sectional structure of a base of a closed single-point press with adjustable position limit provided by the present invention;

fig. 3 is an enlarged schematic structural diagram of a part a of the adjustable and limited closed single-point press according to the present invention.

In the figure: the device comprises a base 1, a fixing frame 2, a hydraulic cylinder 3, a pressing die 4, an installation cavity 5, an electric push rod 6, a rack 7, a rotating shaft 8, a gear 9, a moving plate 10, a first connecting rod 11, a fixed plate 12, a second connecting rod 13, a third connecting rod 14, a vertical plate 15, a clamping plate 16, a workpiece 17, an expansion rod 18, a limiting rod 19, a sliding plate 20, a sliding chute 21, a sliding rod 22, a spring 23 and a sliding sleeve 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an adjustable and limited closed single-point press comprises a base 1, a fixed frame 2 is fixedly connected to the top of the base 1, a hydraulic cylinder 3 is fixedly connected to the inner wall of the top of the fixed frame 2, a pressing die 4 is fixedly connected to the output shaft of the hydraulic cylinder 3, an installation cavity 5 is arranged on the base 1, an electric push rod 6 is fixedly connected to the inner wall of one side of the installation cavity 5, a rack 7 is fixedly connected to the output shaft of the electric push rod 6, a rotating shaft 8 is rotatably connected to the installation cavity 5, a gear 9 is fixedly sleeved on the rotating shaft 8 and engaged with the rack 7, a moving plate 10 is connected to the rotating shaft 8 in a threaded manner, two sides of the moving plate 10 are respectively slidably connected to the inner walls of two sides of the installation cavity 5, two sliding sleeves 24 are symmetrically slidably connected to the moving plate 10, first connecting rods 11 are, the top of the two sliding plates 20 is slidably connected with a fixed plate 12, two sides of the two fixed plates 12 are respectively rotatably connected with a second connecting rod 13 and a third connecting rod 14, one end of each of the two third connecting rods 14 is respectively rotatably connected with the inner walls of two sides of the installation cavity 5, one end of each of the two second connecting rods 13 is respectively rotatably connected with a vertical plate 15, the tops of the two vertical plates 15 are respectively fixedly connected with a clamping plate 16, the tops of the two clamping plates 16 penetrate through the inner wall of the top of the installation cavity 5 and extend to the upper part of the top of the base 1, a workpiece 17 is placed on the top of the base 1, one side, close to each other, of the two clamping plates 16 is respectively and tightly attached to two sides of the workpiece 17, the two clamping plates 16 can move towards or away from each other through the electric push rod 6, the workpieces 17 with different sizes can be, the defects in the prior art are overcome, because the electric push rod 6 is arranged, the rack 7 can be moved by the electric push rod 6, and then the rotating shaft 8 can be driven by the gear 9 to rotate, the moving plate 10 can be moved by the rotating shaft 8, the fixed plate 12 can be moved under the action of the first connecting rod 11, the vertical plates 15 can be moved by the fixed plate 12 under the action of the second connecting rod 13 and the third connecting rod 14, the two vertical plates 15 can drive the two clamping plates 16 to move towards or away from each other, so that the distance between the two clamping plates 16 can be adjusted according to the size of a workpiece 17, the processing prices 17 with different sizes can be conveniently fixed, the application range is enlarged, because the hydraulic cylinder 3 is arranged, the pressing die 4 can be rapidly moved downwards by the hydraulic cylinder 3, the workpiece 17 can be conveniently processed, easy operation because machined part 17 is fixed, so can not take place the displacement man-hour, improved machining efficiency, the utility model discloses rational in infrastructure, easy operation can make two clamp plates 16 remove to the direction that is close to each other or keeps away from each other through electric putter 6, conveniently fixes the machined part 17 of equidimension not, has reached adjustable spacing purpose, has enlarged application range.

Example two

The utility model discloses in, equal fixedly connected with telescopic link 18 on the both sides inner wall of installation cavity 5, one side fixed connection that one end that two telescopic links 18 are close to each other respectively and two risers 15 kept away from each other set up telescopic link 18, both can support riser 15, also can make riser 15 can steady movement, can not take place the offset.

The utility model discloses in, two gag lever posts 19 of the bottom symmetry fixedly connected with of rack 7, two gag lever posts 19's bottom all with the bottom inner wall sliding connection of installation cavity 5, set up gag lever post 19, can make rack 7 can steady movement, can not take place the offset.

The utility model discloses in, two spouts 21 have been seted up to the top symmetry of movable plate 10, equal fixedly connected with slide bar 22 in two spouts 21, two slide bars 22 respectively with two sliding sleeve 24 sliding connection, set up spout 21 and slide bar 22, can support sliding sleeve 24 and make the removal that sliding sleeve 24 can be smooth-going.

The utility model discloses in, the cover is equipped with spring 23 on the slide bar 22, and spring 23's both ends respectively with one side of sliding sleeve 24 and one side inner wall fixed connection of spout 21, set up spring 23, can provide reset power for sliding sleeve 24.

In the utility model, when in use, firstly, the workpiece 17 is placed on the top of the base 1, then the distance between the two clamping plates 16 is adjusted according to the size of the workpiece 17, at this time, the electric push rod 6 is started to extend or contract the electric push rod 6, and further the rack 7 can move leftwards or rightwards, the rack 7 can drive the rotating shaft 8 through the gear 9 to rotate forwards or backwards, because the rotating shaft 8 is in threaded connection with the moving plate 10, the moving plate 10 can ascend or descend through the rotation of the rotating shaft 8, when the moving plate 10 moves downwards, the fixed plate 12 can be driven to move downwards through the first connecting rod 11, the two fixed plates 12 can move downwards through the action of the second connecting rod 13 and the third connecting rod 14, the two risers 15 can move towards the direction close to each other, when the moving plate 10 moves upwards, the two risers 15 can move towards the direction far away from each other, the two vertical plates 15 can enable the two clamping plates 16 to move towards the direction close to or away from each other, further the distance between the two clamping plates 16 can be adjusted according to the size of the workpiece 17, then the workpiece 17 is fixed, at this time, the electric push rod 6 is closed, then the hydraulic cylinder 3 is started, and the hydraulic cylinder 3 can enable the pressing die 4 to move downwards to process the workpiece 17.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an adjustable spacing closed single-point press, includes base (1), its characterized in that, the top fixedly connected with mount (2) of base (1), fixedly connected with pneumatic cylinder (3) on the top inner wall of mount (2), fixedly connected with moulding-die (4) on the output shaft of pneumatic cylinder (3), be equipped with installation cavity (5) on base (1), fixedly connected with electric putter (6) on one side inner wall of installation cavity (5), fixedly connected with rack (7) on the output shaft of electric putter (6), the internal rotation of installation cavity (5) is connected with pivot (8), the fixed cover is equipped with gear (9) on pivot (8), gear (9) and rack (7) mesh mutually, threaded connection has movable plate (10) on pivot (8), the both sides of movable plate (10) respectively with the both sides inner wall sliding connection of installation cavity (5), the movable plate (10) is symmetrically and slidably connected with two sliding sleeves (24), the tops of the two sliding sleeves (24) are rotatably connected with first connecting rods (11), one ends of the two first connecting rods (11) are rotatably connected with sliding plates (20), the tops of the two sliding plates (20) are slidably connected with fixed plates (12), two sides of each fixed plate (12) are rotatably connected with second connecting rods (13) and third connecting rods (14) respectively, one ends of the two third connecting rods (14) are rotatably connected with inner walls of two sides of the installation cavity (5) respectively, one ends of the two second connecting rods (13) are rotatably connected with vertical plates (15) respectively, the tops of the two vertical plates (15) are fixedly connected with clamping plates (16), the tops of the two clamping plates (16) penetrate through the inner wall of the top of the installation cavity (5) and extend to the top of the base (1), and a machined part (17) is placed at the top of the base (, one sides of the two clamping plates (16) close to each other are respectively and tightly attached to the two sides of the workpiece (17).

2. The closed single-point press with the adjustable limit according to claim 1, wherein the inner walls of the two sides of the installation chamber (5) are fixedly connected with telescopic rods (18), and the ends of the two telescopic rods (18) close to each other are fixedly connected with the sides of the two risers (15) far away from each other.

3. The adjustable-limit closed single-point press according to claim 1, wherein two limit rods (19) are symmetrically and fixedly connected to the bottom of the rack (7), and the bottom ends of the two limit rods (19) are slidably connected with the inner wall of the bottom of the mounting chamber (5).

4. The adjustable-limit closed single-point press according to claim 1, wherein the top of the moving plate (10) is symmetrically provided with two sliding grooves (21), the two sliding grooves (21) are both fixedly connected with sliding rods (22), and the two sliding rods (22) are respectively connected with two sliding sleeves (24) in a sliding manner.

5. The adjustable limit closed single-point press according to claim 4, wherein the sliding rod (22) is sleeved with a spring (23), and two ends of the spring (23) are respectively fixedly connected with one side of the sliding sleeve (24) and one side of the inner wall of the sliding groove (21).