CN215243033U

CN215243033U - Closed four-point press with overload protection mechanism

Info

Publication number: CN215243033U
Application number: CN202121248795.XU
Authority: CN
Inventors: 王德涛; 马飞虎; 胡桂祥
Original assignee: Jiangxi Qiaoyang Cnc Equipment Co ltd
Current assignee: Jiangxi Qiaoyang Cnc Equipment Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-21
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a closed four-point press with overload protection mechanism, including supporting baseplate, dashpot, linkage board, bracing piece and pressure relief mechanism, the intermediate position on supporting baseplate top is provided with the dashpot, and pressure relief mechanism is all installed at the both ends at supporting baseplate top, and one side of pressure relief mechanism is connected with the linkage board, the bracing piece is all installed at the both ends at linkage board top. The utility model discloses an at the pressure release mechanism of supporting baseplate top installation, pressure release mechanism includes first rotary rod, the second rotary rod, third linkage rod and third connecting spring, the device utilizes third connecting spring to overturn third linkage rod at the in-process that uses, the bottom that drives the gangboard when the angle of third linkage rod and the angle of second rotary rod produce the deviation falls into the dashpot inboard on the supporting baseplate top, thereby start overload protection mechanism, prevent the fracture that the overload of gangboard top caused, the life of extension gangboard.

Description

Closed four-point press with overload protection mechanism

Technical Field

The utility model relates to a press technical field specifically is a four point press of closed with overload protection mechanism.

Background

The four-point press is two point type structure, and slider stability is good, bears the unbalance loading ability reinforce, and four-point press all adopts steel sheet welded structure's wide mesa mechanical press, and four-point press's application is very wide, is applied to each field of machine parts processing, but closed four-point press still has the defect of certain problem in the use, and the concrete problem is as follows:

1. the existing closed four-point press cannot effectively prevent the breakage caused by the overload of the top end of the linkage plate, and the service life of the linkage plate is shortened;

2. in the existing closed four-point press, the pressure at the bottom end of the pressing groove cannot be buffered, so that the stability in the pressing process is reduced, and the stability in the using process of the device is reduced;

3. the existing closed four-point press is inconvenient to replace the hydraulic rod, and the lower pressing plate at the bottom end of the hydraulic rod is inconvenient to replace, so that the service life of the device is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed four-point press with overload protection mechanism to solve the device that proposes in the above-mentioned background art and can not effectually prevent the fracture that linkage plate top overload caused, shortened the life of linkage plate, the unable buffering of pressure of indent bottom has reduced the stationarity of pushing down the in-process, has reduced the stability in the device use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a four point press of closed with overload protection mechanism, includes supporting baseplate, dashpot, linkage board, bracing piece and pressure relief mechanism, the intermediate position on supporting baseplate top is provided with the dashpot, and pressure relief mechanism is all installed at the both ends at supporting baseplate top, and one side of pressure relief mechanism is connected with the linkage board, the bracing piece is all installed at the both ends at linkage board top, and the inboard intermediate position of bracing piece is provided with the sliding tray, the second fixed block is installed on the top of bracing piece, and one side of second fixed block installs fixed establishment, the hydraulic stem is installed to fixed establishment's inboard, and the holding down plate is installed to the output of hydraulic stem.

Preferably, the middle position at linkage board top installs the buffering telescopic link, and the top of buffering telescopic link is connected with pressure relief mechanism, and pressure relief groove under the top of pressure relief mechanism installs.

Preferably, a rotating shaft is installed in the middle of two sides of the lower pressing groove, one side of the rotating shaft is connected with a second linkage rod, and one end of the second linkage rod is slidably connected with the inner side of the sliding groove.

Preferably, fixed establishment includes mount, spout, fixed orifices, first fixed block, movable pulley, first gangbar and miniature pivot, one side of mount is connected with one side of second fixed block, and the top and the bottom of mount one side are provided with the spout, and the inboard sliding connection of spout has the movable pulley, and one side of movable pulley is connected with first fixed block, one side of movable pulley is connected with first gangbar, the one end of first gangbar be connected with miniature pivot, one side of miniature pivot is connected with miniature pivot.

Preferably, one side of the fixing frame is provided with a fixing hole, and the inner side of the fixing hole is detachably connected with the first fixing block.

Preferably, the pressure-relieving mechanism comprises a sliding chassis, a lower pressing piece, a first connecting spring, a lower pressing rod and a second connecting spring, the bottom end of the sliding chassis is connected with the top end of the buffering telescopic rod, the lower pressing rod is arranged on the inner side of the sliding chassis, the lower pressing rod is connected to the middle position of the inner side of the second connecting spring, the lower pressing pieces are arranged at the middle positions of two sides of the lower pressing rod, and the bottom ends of the lower pressing pieces are connected with the first connecting spring.

Preferably, pressure release mechanism includes first rotary rod, second rotary rod, third linkage rod and third connecting spring, the bottom of third connecting spring is connected with supporting baseplate's top, and the top of third connecting spring is connected with the third linkage rod, and the top of third linkage rod is rotated and is connected with the second rotary rod, and the top of second rotary rod is connected with first rotary rod.

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

(1) according to the closed four-point press with the overload protection mechanism, the pressure relief mechanism is arranged at the top end of the supporting base plate and comprises the first rotary rod, the second rotary rod, the third linkage rod and the third connecting spring, the third connecting spring is used for overturning the third linkage rod in the using process of the press, and when the angle of the third linkage rod and the angle of the second rotary rod deviate, the bottom end of the linkage plate is driven to fall into the inner side of the buffer groove at the top end of the supporting base plate, so that the overload protection mechanism is started, the top end of the linkage plate is prevented from being broken due to overload, and the service life of the linkage plate is prolonged;

(2) according to the closed four-point press with the overload protection mechanism, the pressure relief mechanism is arranged at the bottom end of the lower pressing groove and comprises the sliding chassis, the lower pressing sheet, the first connecting spring, the lower pressing rod and the second connecting spring, so that the fact that the pressure relief mechanism at the bottom end of the lower pressing groove drives the buffering telescopic rod to stretch and retract is achieved, the pressure at the bottom end of the lower pressing groove is buffered, the stability in the pressing process is enhanced, and the stability in the using process of the press is enhanced;

(3) this kind of closed four-point press with overload protection mechanism, through the fixed establishment at the inboard installation of second fixed block to fixed establishment includes mount, spout, fixed orifices, first fixed block, movable pulley, first gangbar and miniature pivot, makes things convenient for the device to utilize fixed establishment's inboard to dismantle the hydraulic stem, thereby conveniently changes the hydraulic stem, conveniently changes the holding down plate of hydraulic stem bottom, has prolonged the life of device.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of the pressure relief mechanism of the present invention;

FIG. 3 is a schematic top view of the pressure relief mechanism of the present invention;

fig. 4 is a schematic view of the local enlarged structure of the fixing mechanism of the present invention.

In the figure: 1. a support base plate; 2. a buffer tank; 3. a linkage plate; 4. a support bar; 5. a sliding groove; 6. pressing the groove downwards; 7. a fixing mechanism; 701. a fixed mount; 702. a chute; 703. a fixing hole; 704. a first fixed block; 705. a sliding wheel; 706. a first linkage rod; 707. a micro rotating shaft; 8. a second fixed block; 9. a hydraulic lever; 10. a lower pressing plate; 11. a rotating shaft; 12. a second linkage rod; 13. a pressure relief mechanism; 1301. a sliding chassis; 1302. pressing the mixture downwards; 1303. a first connecting spring; 1304. a lower pressure lever; 1305. a second connecting spring; 14. buffering the telescopic rod; 15. a pressure relief mechanism; 1501. a first rotating rod; 1502. a second rotating rod; 1503. a third link lever; 1504. and a third connecting spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a closed four-point press with an overload protection mechanism comprises a supporting base plate 1, a buffer groove 2, a linkage plate 3, a supporting rod 4 and a pressure relief mechanism 15, wherein the buffer groove 2 is arranged at the middle position of the top end of the supporting base plate 1, the pressure relief mechanism 15 is arranged at two ends of the top of the supporting base plate 1, the pressure relief mechanism 15 comprises a first rotating rod 1501, a second rotating rod 1502, a third rotating rod 1503 and a third connecting spring 1504, the bottom end of the third connecting spring 1504 is connected with the top end of the supporting base plate 1, the top end of the third connecting spring 1504 is connected with the third rotating rod 1503, the top end of the third connecting spring 1503 is rotatably connected with the second rotating rod 1502, the top end of the second rotating rod 1502 is connected with the first rotating rod 1501, and when the angle of the third connecting rod 1503 and the angle of the second rotating rod 1502 deviate, the bottom end of the linkage plate 3 is driven to fall into the inner side of the buffer groove 2 at the top end of the supporting base plate 1, thereby starting the overload protection mechanism and preventing the top end of the linkage plate 3 from being broken due to overload;

one side of the pressure relief mechanism 15 is connected with a linkage plate 3, a buffer telescopic rod 14 is installed in the middle of the top of the linkage plate 3, the top end of the buffer telescopic rod 14 is connected with a pressure relief mechanism 13, the pressure relief mechanism 13 comprises a sliding chassis 1301, a lower pressing sheet 1302, a first connecting spring 1303, a lower pressing rod 1304 and a second connecting spring 1305, the bottom end of the sliding chassis 1301 is connected with the top end of the buffer telescopic rod 14, the inner side of the sliding chassis 1301 is provided with the lower pressing rod 1304, the middle of the inner side of the second connecting spring 1305 is connected with the lower pressing rod 1304, the lower pressing sheets 1302 are arranged in the middle of two sides of the lower pressing rod 1304, the bottom ends of the lower pressing sheets 1302 are connected with the first connecting spring 1303, the pressure relief mechanism 13 at the bottom end of the lower pressing groove 6 drives the buffer telescopic rod 14 to stretch, the buffer of the pressure at the bottom end of the lower pressing groove 6 is realized, and the stability in the pressing process is enhanced;

a lower pressing groove 6 is arranged at the top end of the pressure-reducing mechanism 13, a rotating shaft 11 is arranged in the middle of two sides of the lower pressing groove 6, one side of the rotating shaft 11 is connected with a second linkage rod 12, and one end of the second linkage rod 12 is in sliding connection with the inner side of the sliding groove 5;

two ends of the top of the linkage plate 3 are both provided with a support rod 4, a sliding groove 5 is arranged at the middle position of the inner side of the support rod 4, a second fixed block 8 is arranged at the top end of the support rod 4, a fixing mechanism 7 is arranged at one side of the second fixed block 8, a hydraulic rod 9 is arranged at the inner side of the fixing mechanism 7, a lower pressing plate 10 is arranged at the output end of the hydraulic rod 9, the fixing mechanism 7 comprises a fixed frame 701, a sliding groove 702, a fixed hole 703, a first fixed block 704, a sliding wheel 705, a first linkage rod 706 and a micro rotating shaft 707, one side of the fixed frame 701 is connected with one side of the second fixed block 8, the sliding groove 702 is arranged at the top end and the bottom end of one side of the fixed frame 701, the sliding wheel 705 is connected with the inner side of the sliding groove 702 in a sliding manner, one side of the sliding wheel 705 is connected with the first fixed block 704, one side of the sliding wheel 706 is connected with the micro rotating shaft 707, one side of miniature pivot 707 is connected with miniature pivot 707, and one side of mount 701 is provided with fixed orifices 703, and the inboard and the first fixed block 704 of fixed orifices 703 can be dismantled and be connected, conveniently changes hydraulic stem 9, conveniently changes the lower clamp plate 10 of hydraulic stem 9 bottom, has prolonged the life of device.

The working principle is as follows: when the device is used, a finished product is placed at the middle position of the top end of a lower pressure groove 6, after the finished product is placed at the middle position, a hydraulic rod 9 is fixed by a fixing mechanism 7 at one side of a second fixing block 8, the first fixing block 704 is pulled to drive a sliding wheel 705 to slide on the inner side of a sliding groove 702, a micro rotating shaft 707 is pulled by a first linkage rod 706 during sliding, the hydraulic rod 9 is fixed by the inner side of the fixing mechanism 7, after the hydraulic rod 9 is fixed, the hydraulic rod 9 drives a lower pressure plate 10 to press down, a first connecting spring 1303 and a second connecting spring 1305 at the bottom ends of two sides of a lower pressure rod 1304 shrink simultaneously during pressing down, when the pressing down force is large, the bottom end of a linkage plate 1303 falls into the inner side of a buffer groove 2 at the top end of a supporting base plate 1 when the angle of a third linkage rod deviates from the angle of a second rotating rod 1502, thereby starting the overload protection mechanism, preventing the breakage caused by the overload of the top end of the linkage plate 3 and prolonging the pressure of the top end of the linkage plate 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a four point press of closed with overload protection mechanism, includes supporting baseplate (1), dashpot (2), linkage board (3), bracing piece (4) and pressure release mechanism (15), its characterized in that: the middle position on supporting baseplate (1) top is provided with dashpot (2), and pressure relief mechanism (15) are all installed at the both ends at supporting baseplate (1) top, and one side of pressure relief mechanism (15) is connected with linkage plate (3), bracing piece (4) are all installed at the both ends at linkage plate (3) top, and the inboard middle position of bracing piece (4) is provided with sliding tray (5), second fixed block (8) are installed on the top of bracing piece (4), and one side of second fixed block (8) installs fixed establishment (7), hydraulic stem (9) are installed to the inboard of fixed establishment (7), and holding down plate (10) are installed to the output of hydraulic stem (9).

2. The closed four-point press with the overload protection mechanism according to claim 1, wherein: buffering telescopic link (14) are installed to the intermediate position at linkage board (3) top, and the top of buffering telescopic link (14) is connected with pressure relief mechanism (13), and pressure relief groove (6) under installing on the top of pressure relief mechanism (13).

3. The closed four-point press with the overload protection mechanism according to claim 2, wherein: the middle positions of two sides of the pressing groove (6) are provided with a rotating shaft (11), one side of the rotating shaft (11) is connected with a second linkage rod (12), and one end of the second linkage rod (12) is in sliding connection with the inner side of the sliding groove (5).

4. The closed four-point press with the overload protection mechanism according to claim 1, wherein: the fixing mechanism (7) comprises a fixing frame (701), a sliding groove (702), a fixing hole (703), a first fixing block (704), a sliding wheel (705), a first linkage rod (706) and a micro rotating shaft (707), one side of the fixing frame (701) is connected with one side of a second fixing block (8), the sliding groove (702) is arranged at the top end and the bottom end of one side of the fixing frame (701), the sliding wheel (705) is connected to the inner side of the sliding groove (702) in a sliding mode, the first fixing block (704) is connected to one side of the sliding wheel (705), the first linkage rod (706) is connected to one end of the first linkage rod (706), the micro rotating shaft (707) is connected to one side of the micro rotating shaft (707).

5. The closed four-point press with the overload protection mechanism according to claim 4, wherein: one side of the fixing frame (701) is provided with a fixing hole (703), and the inner side of the fixing hole (703) is detachably connected with the first fixing block (704).

6. The closed four-point press with the overload protection mechanism according to claim 2, wherein: the pressure reducing mechanism (13) comprises a sliding chassis (1301), a lower pressing piece (1302), a first connecting spring (1303), a lower pressing rod (1304) and a second connecting spring (1305), the bottom end of the sliding chassis (1301) is connected with the top end of a buffer telescopic rod (14), the inner side of the sliding chassis (1301) is provided with the lower pressing rod (1304), the middle position of the inner side of the second connecting spring (1305) is connected with the lower pressing rod (1304), the middle positions of two sides of the lower pressing rod (1304) are both provided with the lower pressing piece (1302), and the bottom end of the lower pressing piece (1302) is connected with the first connecting spring (1303).

7. The closed four-point press with the overload protection mechanism according to claim 1, wherein: pressure release mechanism (15) include first rotary rod (1501), second rotary rod (1502), third connecting rod (1503) and third connecting spring (1504), the bottom and the top of supporting baseplate (1) of third connecting spring (1504) are connected, and the top of third connecting spring (1504) is connected with third connecting rod (1503), and the top of third connecting rod (1503) is rotated and is connected with second rotary rod (1502), and the top of second rotary rod (1502) is connected with first rotary rod (1501).