CN216632182U

CN216632182U - Mechanical press

Info

Publication number: CN216632182U
Application number: CN202122581354.8U
Authority: CN
Inventors: 李雅娜
Original assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Current assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-31
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a mechanical press, which belongs to the technical field of presses and comprises an underframe, wherein the underframe comprises a bottom plate, the top end of the underframe is fixedly connected with a bottom plate, the upper side of the bottom plate is provided with a group of punching mechanisms, the top end of the bottom plate is provided with a first groove, a supporting plate is connected in the first groove in a sliding manner, the lower inner wall of the first groove is provided with a second groove, the side wall of the second groove is rotatably connected with a lead screw, the circumferential surface of the lead screw is provided with two groups of thread grooves in opposite directions, and the circumferential surfaces of the two groups of thread grooves are both in threaded connection with thread blocks, so that a workpiece can be better installed, the stability of the press during punching is ensured, the operation is simple, the use is convenient, the work difficulty is reduced, and the work efficiency is improved.

Description

Mechanical press

Technical Field

The utility model belongs to the technical field of presses, and particularly relates to a mechanical press.

Background

The press machine is a universal machine with a delicate structure, and can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The press machine is divided into three types, namely a screw press machine, a crank press machine and a hydraulic press machine, and the lower parts of the press machines are all provided with a forge piece ejection device. When the mechanical press works, a motor drives a large belt pulley (usually used as a flywheel) through a triangle belt, and a crank-slider mechanism is driven through a gear pair and a clutch, so that a slider and a male die move down linearly. The use of the press machine requires that safe operation rules with pertinence and feasibility are made according to different machine types and processing requirements of the press machine, and necessary post training and safety education are carried out.

The skew takes place for the position of press during operation press punching press among the prior art, the event is equipped with four stands that are located the four corners between die holder on the press, stability when guaranteeing the press punching press, and this kind of mechanical structure has caused work space's narrow and small, make the installation of mould very inconvenient, and complex operation, if place great object on the operation panel, can't fix, appear phenomenons such as coming off at the punching press in-process very easily, probably have piece jumping out at the press during operation, injure the staff, the danger of work has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical press, and aims to solve the problems that in the prior art, when the press works, the stamping position of the press is deviated, four upright posts positioned at four corners are arranged between an upper die base and a lower die base of the press to ensure the stamping stability of the press, the mechanical structure causes narrow working space, so that the installation of a die is inconvenient, the operation is complicated, if a large object is placed on an operation table, the fixation cannot be performed, the phenomena of falling off and the like are easily caused in the stamping process, fragments can jump out when the press works, the workers are injured, and the working risk is increased.

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

the utility model provides a mechanical press, includes the chassis, the top fixedly connected with bottom plate of chassis, the upside of bottom plate is equipped with a set of punching press mechanism, first recess has been seted up on the top of bottom plate, sliding connection has the backup pad in the first recess, the second recess has been seted up to the lower inner wall of first recess, the lateral wall of second recess rotates and is connected with the lead screw, the thread groove of two sets of opposite directions is seted up on the circumference surface of lead screw, and is two sets of the equal threaded connection in circumference surface of thread groove has the thread block, the top fixedly connected with driving motor of chassis, driving motor's output is connected through shaft coupling and lead screw, two the top of thread block all rotates and is connected with the connecting rod, and the other end of two connecting rods all rotates and connects in the bottom of backup pad.

As a preferred scheme of the present invention, the side wall of the first groove is provided with a limiting groove, a limiting rod is fixedly connected between inner walls of the limiting groove, a limiting block is slidably connected to a circumferential surface of the limiting rod, and the limiting block is fixedly connected to a side end of the support plate.

As a preferred scheme of the present invention, the stamping mechanism includes four support rods fixedly connected to the top end of the bottom plate, the top ends of the four support rods are fixedly connected to a top plate, the top end of the top plate is fixedly connected to a hydraulic lifting rod, the output end of the hydraulic lifting rod movably penetrates through the bottom end of the top plate, the bottom end of the output end of the hydraulic lifting rod is fixedly connected to an extrusion plate, the extrusion plate is slidably connected to the circumferential surfaces of the four support rods, and the bottom end of the extrusion plate is fixedly connected to an extrusion block.

As a preferable scheme of the present invention, a protective cover is fixedly connected to a circumferential surface of the pressing plate, and the protective cover is made of high strength tempered glass.

As a preferable scheme of the present invention, a third groove is formed in the support plate, a sliding plate is slidably connected to the third groove, a connecting rod is fixedly connected to a side end of the sliding plate, a clamping plate is fixedly connected to a side end of the connecting rod, a return spring is fixedly connected to one end of the sliding plate close to the connecting rod, a side end of the return spring is fixedly connected to a side wall of the third groove, and the return spring is sleeved on a circumferential surface of the connecting rod.

As a preferable scheme of the utility model, the top end of the supporting plate is provided with a non-slip mat.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this device, rotate through the drive lead screw, can drive two screw thread blocks on lead screw surface and carry out the motion of opposite direction to the position of drive connecting rod appears changing, makes the connecting rod drive the backup pad and outwards extends, reaches the purpose that the workstation can shift out, makes the installation work piece that can be better, stability when guaranteeing the press punching press, easy operation, convenient to use reduces the work degree of difficulty and has improved work efficiency.

2. In this device, utilize two grip blocks, can carry out a centre gripping spacing to the object of great volume, can prevent to extrude the in-process, the condition that the mould was extruded the workstation appears, has improved the whole practicality and the security of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a front view of a mechanical press according to the present invention;

Fig. 2 is a partial perspective view of a mechanical press according to the present invention;

fig. 3 is a first partial cross-sectional view of a mechanical press according to the present invention;

fig. 4 is a second partial cross-sectional view of a mechanical press according to the present invention;

fig. 5 is a bottom view of a mechanical press according to the present invention.

In the figure: 1. a chassis; 2. a base plate; 3. a support bar; 4. a hydraulic lifting rod; 5. a top plate; 6. a pressing plate; 7. a protective cover; 8. a support plate; 9. a drive motor; 10. extruding the block; 11. a clamping plate; 12. a first groove; 13. a limiting groove; 14. a limiting rod; 15. a limiting block; 16. a screw rod; 17. a second groove; 18. a connecting rod; 19. a thread block; 21. a third groove; 22. a connecting rod; 23. a slide plate; 24. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a mechanical press comprises an underframe 1, a bottom plate 2 is fixedly connected to the top end of the underframe 1, a group of stamping mechanisms is arranged on the upper side of the bottom plate 2, a first groove 12 is formed on the top end of the bottom plate 2, a support plate 8 is slidably connected to the first groove 12, a second groove 17 is formed on the lower inner wall of the first groove 12, a screw rod 16 is rotatably connected to the side wall of the second groove 17, two groups of opposite-direction thread grooves are formed on the circumferential surface of the screw rod 16, thread blocks 19 are respectively connected to the circumferential surfaces of the two groups of thread grooves in a threaded manner, a driving motor 9 is fixedly connected to the top end of the underframe 1, the output end of the driving motor 9 is connected to the screw rod 16 through a coupler, connecting rods 18 are rotatably connected to the top ends of the two thread blocks 19, the other ends of the two connecting rods 18 are rotatably connected to the bottom end of the support plate 8, and are respectively rotated on the circumferential surfaces of two groups of threads in different directions of the screw rod 16 by using the two thread blocks 19, can rotate through drive lead screw 16 and go to drive two screw blocks 19 and carry out the motion that is close to the direction mutually or keep away from the direction mutually to the position of adjustment connecting rod 18, connecting rod 18 rotate to be connected in the bottom of backup pad 8, through the position control of connecting rod 18, can make backup pad 8 move to a position that does benefit to the installation mould.

Example 2

With specific reference to fig. 1-5, the present invention provides a new technical solution: the side wall of the first groove 12 is provided with a limiting groove 13, a limiting rod 14 is fixedly connected between the inner walls of the limiting groove 13, the circumferential surface of the limiting rod 14 is connected with a limiting block 15 in a sliding manner, the limiting block 15 is fixedly connected with the side end of the supporting plate 8, in order to keep the supporting plate 8 stable in the moving process, the limiting block 15 slides in the limiting groove 13 and on the circumferential surface of the limiting rod 14 to limit the moving position of the supporting plate 8 so as to enable the supporting plate to move more stably, the stamping mechanism comprises four supporting rods 3 fixedly connected with the top end of the bottom plate 2, top ends of the four supporting rods 3 are fixedly connected with a top plate 5, the top end of the top plate 5 is fixedly connected with a hydraulic lifting rod 4, the output end of the hydraulic lifting rod 4 movably penetrates through the bottom end of the top plate 5, the bottom end of the output end of the hydraulic lifting rod 4 is fixedly connected with a squeezing plate 6, and the squeezing plate 6 is connected with the circumferential surfaces of the four supporting rods 3 in a sliding manner, the bottom end of the extrusion plate 6 is fixedly connected with an extrusion block 10, the four support rods 3 are utilized to limit the stability of the extrusion block 10 in the process of pressing down, the circumferential surface of the extrusion plate 6 is fixedly connected with a protective cover 7, the protective cover 7 is made of high-strength toughened glass, the toughened glass can be adopted to enable workers to observe the internal extrusion condition, meanwhile, the toughened glass can also ensure that foreign objects cannot be sputtered outwards in the extrusion process, the safety of the workers is ensured, a third groove 21 is formed in the support plate 8, a sliding plate 23 is connected in the third groove 21 in a sliding manner, the side end of the sliding plate 23 is fixedly connected with a connecting rod 22, the side end of the connecting rod 22 is fixedly connected with a clamping plate 11, one end of the sliding plate 23, which is close to the connecting rod 22, is fixedly connected with a return spring 24, the side end of the return spring 24 is fixedly connected to the side wall of the third groove 21, the return spring 24 is sleeved on the circumferential surface of the connecting rod 22, and a large die extrudes the clamping plates 11 on two sides, both sides grip block 11 is tensile to both sides respectively, extrudees back force spring 24, and the elasticity of back force spring 24 can drive grip block 11 and reset to drive grip block 11 and grasp great mould, the top of backup pad 8 is equipped with the slipmat, can prevent that the mould from appearing sliding in extrusion process.

The working principle is as follows: this device is when using, rotate through driving motor 9 drive lead screw 16, lead screw 16 rotates and drives two screw blocks 19 and carry out the motion that is close to the direction mutually, change appears in one side position of connecting rod 18, thereby the position of drive connecting rod 18 opposite side changes, thereby the position of drive backup pad 8 outwards removes, until removing the position of a ready-to-mount mould, driving motor 9 stop drive, install great mould, big mould extrusion both sides grip block 11, both sides grip block 11 is tensile to both sides respectively, extrude return spring 24, return spring 24's elasticity can drive grip block 11 and reset, thereby drive grip block 11 and grasp great mould.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the technical principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. A mechanical press comprising a base frame (1), characterized in that: the top fixedly connected with bottom plate (2) of chassis (1), the upside of bottom plate (2) is equipped with a set of punching press mechanism, first recess (12) have been seted up on the top of bottom plate (2), sliding connection has backup pad (8) in first recess (12), second recess (17) have been seted up to the lower inner wall of first recess (12), the lateral wall of second recess (17) rotates and is connected with lead screw (16), the circumference surface of lead screw (16) is seted up two sets of opposite direction's thread groove, the circumference surface of two sets of the thread groove all threaded connection has thread block (19), the top fixedly connected with driving motor (9) of chassis (1), the output of driving motor (9) is connected with lead screw (16) through the shaft coupling, the top of two thread block (19) all rotates and is connected with connecting rod (18), the other ends of the two connecting rods (18) are rotatably connected to the bottom end of the supporting plate (8).

2. A mechanical press according to claim 1, characterized in that: spacing groove (13) have been seted up to the lateral wall of first recess (12), fixedly connected with gag lever post (14) between the inner wall of spacing groove (13), the circumference surface sliding connection of gag lever post (14) has stopper (15), stopper (15) fixed connection is in the side of backup pad (8).

3. A mechanical press according to claim 2, characterized in that: stamping mechanism includes four bracing pieces (3), four of fixed connection in bottom plate (2) top fixedly connected with roof (5) of bracing piece (3), top fixedly connected with hydraulic lifting rod (4) of roof (5), the bottom of roof (5) is run through in the output activity of hydraulic lifting rod (4), the bottom fixedly connected with stripper plate (6) of hydraulic lifting rod (4) output, stripper plate (6) sliding connection is in the circumference surface of four bracing pieces (3), the bottom fixedly connected with stripper block (10) of stripper plate (6).

4. A mechanical press according to claim 3, characterized in that: the circumference fixed surface of stripper plate (6) is connected with safety cover (7), the material of safety cover (7) is high strength toughened glass.

5. A mechanical press according to claim 4, characterized in that: set up third recess (21) in backup pad (8), sliding connection has slide (23) in third recess (21), side fixedly connected with connecting rod (22) of slide (23), side fixedly connected with grip block (11) of connecting rod (22), one end fixedly connected with return spring (24) that slide (23) are close to connecting rod (22), the side fixed connection of return spring (24) is in the lateral wall of third recess (21), the circumferential surface of connecting rod (22) is located to return spring (24) cover.

6. A mechanical press according to claim 5, characterized in that: and the top end of the supporting plate (8) is provided with an anti-skid pad.