CN213763763U

CN213763763U - Lower reducing tool for punch

Info

Publication number: CN213763763U
Application number: CN202022456751.8U
Authority: CN
Inventors: 杨才云; 赵小华; 唐伟
Original assignee: Chengdu Xinghong Standard Parts Industrial Co ltd
Current assignee: Chengdu Xinghong Standard Parts Industrial Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-23
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a lower undergauge frock for punch press, including upper fixed plate, servo motor, connection vertical pole, head rod and last grip ring, the both ends at upper fixed plate top all are provided with servo motor, and servo motor's output is provided with the rotary rod, and the bottom rotation of rotary rod is provided with the swivelling chute, and the intermediate position of rotary rod bottom is provided with the bearing. The utility model discloses a top of connecting the vertical pole is provided with the mounting hole, the inboard intermediate position of mounting hole runs through and is provided with the dead lever, and the inboard intermediate position of dead lever and mounting hole transversely is provided with spacing horizontal pole, the device is when using, insert the dead lever at the inboard intermediate position of mounting hole, insert into spacing horizontal pole after the intermediate position of mounting hole transversely rotates, inject the dead lever in the inside of mounting hole, inject the installation of accomplishing the device after the mounting hole is inside, make the device before the use convenient mounting in the bottom of lathe, improve the installation effectiveness of device.

Description

Lower reducing tool for punch

Technical Field

The utility model relates to a lower undergauge frock technical field specifically is a lower undergauge frock for punch press.

Background

The punch is a stamping type press. In national production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of making products which cannot be machined by applying various dies, so that the stamping process is more and more extensive in application, the stamping production mainly aims at plates, but certain problems and defects still exist in the using process of the existing lower reducing tool, and the specific problems are as follows:

1. according to the conventional lower reducing tool, the device is inconvenient to mount at the bottom end of a machine tool before use, so that the mounting efficiency of the device is reduced;

2. in the conventional lower reducing tool, the friction force between a product clamped or clamped by the device and the upper clamping ring and the lower clamping ring is small, so that the product is easy to slide off, and the clamping stability of the device is insufficient;

3. the lower undergauge frock of current, the centre gripping ring pushes down the in-process and causes the shake easily down, and stability among the device clamping process is relatively poor, and the centre gripping product tension leads to the product to produce the deformation easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower undergauge frock for punch press to solve the device that proposes in the above-mentioned background art inconvenient the device install the bottom at the lathe before using, reduced the installation effectiveness of device, the device is less with last grip ring and the frictional force between the grip ring in the centre gripping or city, makes the product landing easily, leads to the stability scheduling problem inadequately of device centre gripping.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lower undergauge frock for punch press, includes an upper fixed plate, servo motor, connects vertical pole, head rod and last grip ring, the both ends at an upper fixed plate top all are provided with servo motor, and servo motor's output is provided with the rotary rod, and the bottom rotation of rotary rod is provided with the swivelling chute, and the intermediate position of rotary rod bottom is provided with the bearing, and the bottom of bearing is connected with the limiting plate, an upper fixed plate top both ends are provided with by middle position and connect the vertical pole, and the both ends of an upper fixed plate bottom are connected with the head rod, and the bottom of head rod is connected with the grip ring.

Preferably, the top end of the connecting longitudinal rod is provided with a mounting hole, a fixing rod penetrates through the middle position of the inner side of the mounting hole, a limiting cross rod is transversely arranged at the middle position of the inner side of the fixing rod and the mounting hole, the fixing rod is inserted into the middle position of the inner side of the mounting hole, the fixing rod is transversely rotated into the limiting cross rod after being inserted into the middle position of the mounting hole, the fixing rod is limited in the mounting hole, and the device is installed after being limited in the mounting hole, so that the device is conveniently installed at the bottom end of a machine tool before being used.

Preferably, the bottom of the first connecting rod is provided with a pressure relief mechanism, two ends of the bottom of the pressure relief mechanism are provided with first elastic rods, and the bottom end of each first elastic rod is connected with a lower pressing block.

Preferably, the bottom of swivelling chute transversely is provided with the bottom plate, and the rotary rod runs through the both ends of bottom plate, and the both ends at bottom plate top are provided with the head rod, and the top of head rod is provided with down the grip ring, and servo motor drives the rotary rod and rotates, and the grip ring rebound under the rotary rod drives in-process pivoted, and the grip ring is in the in-process of rebound and the interval between the last grip ring dwindles gradually down and realizes the fixed of product down.

Preferably, the both ends of centre gripping ring one side all are provided with the third sliding tray down, and the inboard slip of third sliding tray is provided with the slide bar, and the top swivelling joint of slide bar has the rotation axis, and one side of rotation axis is connected with the rubber pad, goes up the interval between centre gripping ring and the centre gripping ring down when reducing, and the slide bar that the lower centre gripping ring both sides set up mutually supports with the rotation axis and drives the inboard interval of rubber pad and centre gripping ring down and reduce to the realization utilizes the rubber pad increase product and goes up the frictional force between centre gripping ring and the lower centre gripping ring.

Preferably, the inside both sides of bearing all are provided with the spout, and the spout is provided with two, and the bottom in the rotary rod outside is rotated and is provided with the slip rotor.

Preferably, the middle positions of the two sides of the sliding rotor are provided with sliding fan blades, and one ends of the sliding fan blades are arranged on the inner side of the sliding groove in a sliding mode.

Preferably, one end of the bottom of the pressure relief mechanism is provided with a second sliding groove, and the inner side of the second sliding groove is connected with one end of the top of the first elastic rod.

Preferably, both ends of first elasticity pole bottom all are provided with the second elasticity pole, the bottom of second elasticity pole is connected with the bottom plate, and the both ends at bottom plate top all are provided with first sliding tray, the one end at bottom plate top is provided with first sliding tray, the intermediate position on bottom plate top is provided with pressure relieving spring, the power that the centre gripping ring can produce at the in-process of centre gripping down, after the power that produces the pushing down, first elasticity pole through pressure relieving mechanism bottom slides in the inboard side of second sliding tray, the shake that the centre gripping ring pushed down the in-process brought is strengthened slowly separating down to lower briquetting and pressure relieving spring mutually support, thereby strengthen the stability of device clamping process.

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

(1) according to the lower reducing tool for the punch press, the mounting hole is formed in the top end of the connecting longitudinal rod, the fixing rod penetrates through the middle position of the inner side of the mounting hole, the limiting cross rod is transversely arranged at the middle position of the inner side of the fixing rod and the middle position of the inner side of the mounting hole, when the lower reducing tool is used, the fixing rod is inserted into the middle position of the inner side of the mounting hole, the limiting cross rod is transversely rotated after the fixing rod is inserted into the middle position of the mounting hole, the fixing rod is limited in the mounting hole, and the mounting of the lower reducing tool is completed after the fixing rod is limited in the mounting hole, so that the lower reducing tool is conveniently mounted at the bottom end of a machine tool before being used, and the mounting efficiency of the lower reducing tool is improved;

(2) the lower reducing tool for the punch press is characterized in that the two ends of one side of the lower clamping ring are respectively provided with a third sliding groove, the inner side of the third sliding groove is provided with a sliding rod in a sliding manner, the top end of the sliding rod is rotatably connected with a rotating shaft, one side of the rotating shaft is connected with a rubber pad, and the lower reducing tool is arranged in the using process, the servo motor drives the rotating rod to rotate, the rotating rod drives the lower clamping ring to move upwards in the rotating process, the distance between the lower clamping ring and the upper clamping ring is gradually reduced in the upward moving process to realize the fixation of the product, when the distance between the upper clamping ring and the lower clamping ring is reduced, the sliding rods arranged at two sides of the lower clamping ring are matched with the rotating shaft to drive the distance between the inner side of the rubber gasket and the inner side of the lower clamping ring to be reduced, thereby realizing that the rubber pad is utilized to increase the friction force between the product and the upper clamping ring and the lower clamping ring;

(3) the lower reducing tool for the punch press is characterized in that a second sliding groove is formed in one end of the bottom of a pressure relief mechanism, the inner side of the second sliding groove is connected with one end of the top of a first elastic rod, second elastic rods are arranged at two ends of the bottom of the first elastic rod, a bottom plate is connected to the bottom ends of the second elastic rods, first sliding grooves are formed in two ends of the top of the bottom plate, a first sliding groove is formed in one end of the top of the bottom plate, a pressure relief spring is arranged in the middle of the top of the bottom plate, and when the lower reducing tool is used, because a lower clamping ring can generate a pressing force in a clamping process, after the pressing force is generated, the first elastic rod at the bottom of the pressure relief mechanism slides leftwards and rightwards in the inner side of the second sliding groove, a lower pressing block and the pressure relief spring are matched with each other to enhance shaking caused in the pressing process of relieving the lower clamping ring, so that the stability of the device in the clamping process is enhanced, and also prevents the product from being deformed due to over-tightening of the clamped product.

Drawings

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

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the enlarged partial structure of the present invention;

fig. 4 is a schematic top view of the rotary bearing of the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. an upper fixing plate; 2. a servo motor; 201. rotating the rod; 3. connecting the longitudinal rods; 301. mounting holes; 4. a first connecting rod; 5. an upper clamping ring; 6. a lower clamping ring; 601. a rubber pad; 602. a third sliding groove; 603. a slide bar; 604. a rotating shaft; 7. a rotating tank; 8. a lower fixing plate; 9. a limiting plate; 901. a bearing; 902. a chute; 903. sliding fan blades; 904. a sliding rotor; 10. fixing the rod; 1001. a limiting cross bar; 11. a pressure relief mechanism; 1101. a first resilient lever; 1102. a second elastic rod; 1103. a first sliding groove; 1104. a base plate; 1105. a pressure relief spring; 1106. pressing the block; 1107. a second sliding groove.

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. 1-5, the present invention provides an embodiment: a lower reducing tool for a punch comprises an upper fixing plate 1, a servo motor 2, a connecting longitudinal rod 3, a first connecting rod 4 and an upper clamping ring 5, wherein both ends of the top of the upper fixing plate 1 are provided with the servo motor 2, the output end of the servo motor 2 is provided with a rotating rod 201, the bottom end of the rotating rod 201 is rotatably provided with a rotating groove 7, the bottom end of the rotating groove 7 is transversely provided with a lower fixing plate 8, the rotating rod 201 penetrates through both ends of the lower fixing plate 8, both ends of the top of the lower fixing plate 8 are provided with the first connecting rod 4, the top end of the first connecting rod 4 is provided with a lower clamping ring 6, both ends of one side of the lower clamping ring 6 are provided with a third sliding groove 602, the inner side of the third sliding groove 602 is slidably provided with a sliding rod 603, the top end of the sliding rod 603 is rotatably connected with a rotating shaft 604, one side of the rotating shaft 604 is connected with a rubber pad 601, and the distance between the upper clamping ring 5 and the lower clamping ring 6 is reduced, the sliding rods 603 arranged on the two sides of the lower clamping ring 6 are matched with the rotating shaft 604 to drive the distance between the inner side of the rubber pad 601 and the inner side of the lower clamping ring 6 to be reduced, so that the friction force between the product and the upper clamping ring 5 and the lower clamping ring 6 is increased by using the rubber pad 601;

a bearing 901 is arranged in the middle of the bottom end of the rotating rod 201, sliding grooves 902 are arranged on two sides inside the bearing 901, two sliding grooves 902 are arranged, a sliding rotor 904 is arranged at the bottom end of the outer side of the rotating rod 201 in a rotating mode, sliding fan blades 903 are arranged in the middle of two sides of the sliding rotor 904, one end of each sliding fan blade 903 is arranged in a sliding mode with the inner side of the corresponding sliding groove 902, the rotating rod 201 is driven to rotate through the servo motor 2, the lower clamping ring 6 is driven to move upwards by the rotating rod 201 in the rotating process, and the distance between the lower clamping ring 6 and the upper clamping ring 5 is gradually reduced in the upward moving process to fix a product;

the bottom end of the bearing 901 is connected with a limiting plate 9, the connecting longitudinal rod 3 is arranged at the position close to the middle of the two ends of the top of the upper fixing plate 1, the top end of the connecting longitudinal rod 3 is provided with a mounting hole 301, the middle position of the inner side of the mounting hole 301 is provided with a fixing rod 10 in a penetrating manner, the middle positions of the fixing rod 10 and the inner side of the mounting hole 301 are transversely provided with a limiting cross rod 1001, the fixing rod 10 is inserted into the middle position of the inner side of the mounting hole 301 and transversely rotates into the limiting cross rod 1001 after being inserted into the middle position of the mounting hole 301, the fixing rod 10 is limited in the mounting hole 301, and the device is installed after being limited in the mounting hole 301;

the two ends of the bottom of the upper fixing plate 1 are connected with first connecting rods 4, the bottom ends of the first connecting rods 4 are connected with upper clamping rings 5, the bottom ends of the first connecting rods 4 are provided with pressure-relieving mechanisms 11, the two ends of the bottom of each pressure-relieving mechanism 11 are provided with first elastic rods 1101, the bottom ends of the first elastic rods 1101 are connected with lower pressing blocks 1106, the two ends of the bottom of each first elastic rod 1101 are provided with second elastic rods 1102, the bottom ends of the second elastic rods 1102 are connected with a bottom plate 1104, the two ends of the top of the bottom plate 1104 are provided with first sliding grooves 1103, one end of the top of the bottom plate 1104 is provided with a first sliding groove 1103, the middle position of the top end of the bottom plate 1104 is provided with a pressure-relieving spring 1105, one end of the bottom of each pressure-relieving mechanism 11 is provided with a second sliding groove 1107, and the inner sides of the second sliding grooves 1107 are connected with one end of the top of the first elastic rods 1101, because the lower clamping rings 6 can generate a downward pressing force in the clamping process, after the downward pressing force is generated, the first elastic rod 1101 at the bottom end of the pressure relief mechanism 11 slides left and right inside the second sliding groove 1107, and the pressure relief block 1106 and the pressure relief spring 1105 cooperate with each other to enhance and relieve the shake caused by the downward pressing process of the lower clamping ring 6.

The working principle is as follows: before the device is used, the device is firstly installed, the fixing rod 10 is inserted into the middle position of the inner side of the installation hole 301, the fixing rod is transversely rotated into the limiting cross rod 1001 after being inserted into the middle position of the installation hole 301, the fixing rod 10 is limited in the installation hole 301, the installation of the device is completed after being limited in the installation hole 301, the rotating rod 201 is driven by the servo motor 2 to rotate, the lower clamping ring 6 is driven by the rotating rod 201 to move upwards in the rotating process, the distance between the lower clamping ring 6 and the upper clamping ring 5 is gradually reduced in the upward moving process to realize the fixation of a product, when the distance between the upper clamping ring 5 and the lower clamping ring 6 is reduced, the sliding rods 603 arranged at the two sides of the lower clamping ring 6 are matched with the rotating shaft 604 to drive the distance between the inner side of the rubber gasket 601 and the inner side of the lower clamping ring 6 to be reduced, and the friction force between the product and the upper clamping ring 5 and the lower clamping ring 6 is increased by the rubber gasket 601, because the lower clamping ring 6 can generate a pressing force in the clamping process, after the pressing force is generated, the first elastic rod 1101 at the bottom end of the pressure relief mechanism 11 slides left and right inside the second sliding groove 1107, and the lower pressing block 1106 and the pressure relief spring 1105 are matched with each other to enhance and relieve the shake caused in the pressing process of the lower clamping ring 6, so that the clamping is completed.

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 lower undergauge frock for punch press, includes upper fixed plate (1), servo motor (2), connects vertical pole (3), head rod (4) and last grip ring (5), its characterized in that: the two ends at the top of the upper fixing plate (1) are provided with servo motors (2), the output end of each servo motor (2) is provided with a rotating rod (201), the bottom end of each rotating rod (201) is provided with a rotating groove (7) in a rotating mode, a bearing (901) is arranged at the middle position of the bottom end of each rotating rod (201), the bottom end of each bearing (901) is connected with a limiting plate (9), the two ends at the top of the upper fixing plate (1) lean against the middle position to be provided with a connecting longitudinal rod (3), the two ends at the bottom of the upper fixing plate (1) are connected with first connecting rods (4), and the bottom ends of the first connecting rods (4) are connected with upper clamping rings (5).

2. The lower reducing tool for the punch press according to claim 1, wherein: the top end of the connecting longitudinal rod (3) is provided with a mounting hole (301), the middle position of the inner side of the mounting hole (301) is provided with a fixing rod (10) in a penetrating mode, and the middle positions of the inner sides of the fixing rod (10) and the mounting hole (301) are transversely provided with a limiting cross rod (1001).

3. The lower reducing tool for the punch press according to claim 1, wherein: the bottom end of the first connecting rod (4) is provided with a pressure relieving mechanism (11), two ends of the bottom of the pressure relieving mechanism (11) are provided with first elastic rods (1101), and the bottom ends of the first elastic rods (1101) are connected with a lower pressing block (1106).

4. The lower reducing tool for the punch press according to claim 1, wherein: the bottom in swivelling chute (7) transversely is provided with bottom plate (8), and both ends of bottom plate (8) are run through in rotary rod (201), and the both ends at bottom plate (8) top are provided with head rod (4), and the top of head rod (4) is provided with down grip ring (6).

5. The lower reducing tool for the punch press according to claim 4, wherein: both ends of one side of the lower clamping ring (6) are provided with third sliding grooves (602), sliding rods (603) are arranged on the inner sides of the third sliding grooves (602) in a sliding mode, the top ends of the sliding rods (603) are rotatably connected with rotating shafts (604), and one sides of the rotating shafts (604) are connected with rubber pads (601).

6. The lower reducing tool for the punch press according to claim 1, wherein: the inside both sides of bearing (901) all are provided with spout (902), and spout (902) are provided with two, and the bottom in rotary rod (201) outside rotates and is provided with slip rotor (904).

7. The lower reducing tool for the punch press according to claim 6, wherein: the middle positions of two sides of the sliding rotor (904) are provided with sliding fan blades (903), and one end of each sliding fan blade (903) is arranged in a sliding mode with the inner side of the sliding groove (902).

8. The lower reducing tool for the punch press according to claim 3, wherein: one end of the bottom of the pressure relieving mechanism (11) is provided with a second sliding groove (1107), and the inner side of the second sliding groove (1107) is connected with one end of the top of the first elastic rod (1101).

9. The lower reducing tool for the punch press according to claim 3, wherein: the two ends of the bottom of the first elastic rod (1101) are provided with second elastic rods (1102), the bottom end of each second elastic rod (1102) is connected with a bottom plate (1104), the two ends of the top of each bottom plate (1104) are provided with first sliding grooves (1103), one end of the top of each bottom plate (1104) is provided with the first sliding grooves (1103), and the middle position of the top end of each bottom plate (1104) is provided with a slow-pressing spring (1105).