CN2820521Y - Digital control rotary press head device for hydraulic press - Google Patents

Abstract

The utility model relates to a digital control rotary press head device of a hydraulic press, which is composed of a working master, a return cylinder, a connecting block, a connecting disc, a press head, etc. The utility model is characterized in that the upper end of the pressure head is fixed with a girth gear, and the middle place between the connecting disc and the pressure head is provided with a pressure head clamping device which is composed of a hydraulic cylinder provided with a butterfly spring, etc. for clamping and separating the pressure head. A revolving transmitter composed of a motor, a gear transmission system and a rotary encoder is arranged beside the cylinder body of the working master cylinder. A gear at the output end of the revolving transmitter is engaged with the girth gear at the upper end of the pressure head. The utility model has the advantages that the working position of the pressure head can be changed according to technological requirements. When the utility model presses a work piece in specific shapes, e. g. an arc-shaped boat body, the process can be accomplished without moving the work piece and thus the work efficiency can be greatly increased. The utility model can be used as a moving press head arranged on a guide rail on a top cross beam of a box type hydraulic press and is matched with a moving rotary table arranged on a guide rail of the lower cross beam of the box type hydraulic press. The utility model is particularly suitable for processing work pieces of the arc-shaped boat bodies in a pressing way.

Description

Hydraulic press numerical control rotary indenter device

Technical field

The utility model belongs to machine tool element, particularly relates to a kind of hydraulic press numerical control rotary indenter device of suitable hull arc-shaped workpiece compacting usefulness.

Background technology

In present known technology, the indenter device of hydraulic press is normally by the work master cylinder, be contained in two kicker cylinders of work master cylinder side, and be contained in cylinder body lower end and compositions such as terminal pad that is connected with the plunger rod of work master cylinder and kicker cylinder and pressure head, when the compacting operation, because the pressure head and the terminal pad of fixed mould are fixed together, thereby in the process of compacting workpiece, can only on direction of workpiece or position, process, as suppress the workpiece of given shape, hull workpiece as arc, need repeatedly travelling workpiece, but workpiece movement is not only inconvenient, and the workpiece position of moving and precision all be difficult to control, thereby the indenter device of this structure can only carry out single, the simple to operate punch process of suppression process, if be used for suppressing the arc-shaped workpiece of repeatedly conversion compacting station, then operating efficiency is very low.

Summary of the invention

The utility model provides a kind of station conversion at any time on request of pressure head for solving the technical problem that exists in the known technology, can increase substantially the hydraulic press numerical control rotary indenter device of the suitable hull arc-shaped workpiece compacting usefulness of operating efficiency.

The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:

A kind of hydraulic press numerical control rotary indenter device, by the work master cylinder, be contained in work master cylinder side two kicker cylinders, be contained in the cylinder body lower end and the contiguous block and terminal pad and the pressure head etc. that are connected with the plunger rod of work master cylinder and kicker cylinder are formed, centre at contiguous block has the hole, it is fixed on the upper end of terminal pad, terminal pad is fixed on the lower end of work master cylinder plunger piston bar by contiguous block, and link to each other with the plunger rod of kicker cylinder in both sides, be fixed with in the upper end of pressure head and be used for the rotating bull gear of drive ram; Be provided with in the centre of terminal pad and pressure head and be used to clamp and the pressure head clamping device that separates pressure head, its structure is: the center at terminal pad and pressure head has axis hole, in the axis hole of terminal pad, positioning sleeve is housed, lower end at the axis hole of pressure head offers the circular concave station that play backstop effect of diameter greater than its axis hole, in the axis hole of the positioning sleeve of terminal pad and pressure head, be coated with the axle sleeve that the lower end has flange and offer circular concave station on the axis hole of flange lower end, the flange of its lower end leans on the circular concave station of pressure head axis hole lower end, bearing is equipped with in the upper end that stretches out in positioning sleeve of axle sleeve, packing ring and stop nut, in the bar hole of plunger rod lower end of work master cylinder, be provided with hydraulic clamping cylinder, it is fixed on the upper end in the aperture of contiguous block, spring base is equipped with in the cylinder body lower end of hydraulic clamping cylinder, between the piston of hydraulic cylinder and spring base, the dish spring is housed, the lower end of the piston of hydraulic cylinder is connected with piston rod, it passes the dish spring successively, spring base, the axis hole of the axle sleeve in the axis hole of terminal pad and pressure head, its end stretches out in the circular concave station of the flange lower end of axle sleeve lower end, and packing ring and locking nut are housed on the termination; Side at the work master cylinder is equipped with the pressure head revolution transmitting device that is used for the drive ram transposition, its structure is: the side of cylinder body at the work master cylinder is provided with the supporting base that has two axis holes, near in the axis hole of cylinder body one side the splined hole gear shaft is being housed, in its splined hole splined shaft is housed, in another axis hole of supporting base, driving shaft is housed, the driving gear that is meshed with gear on the splined hole gear shaft is housed on it, upper end at driving shaft is connected with motor, the lower end is connected with rotary encoder, the outside on described terminal pad has the axis hole with the axis hole concentric of close cylinder body one side of supporting base, output shaft is housed in the axis hole, its upper end is connected with the lower end of described splined shaft, and the lower end stretches out in axis hole and is equipped with on the termination and the fixing bull gear pinion in mesh in pressure head upper end.

Advantage and the good effect that the utlity model has are: owing to be fixed with bull gear on the pressure head of the present utility model, and be equipped be used for pressure head clamp with the pressure head clamping device that separates be used to drive bull gear, drive the pressure head revolution transmitting device of pressure head transposition, thereby can finish pressure head release according to the instruction that the hydraulic press numerical control system sends and separate, revolution, accurately a series of actions of location and clamping, at any time by technological requirement conversion station, workpiece at the compacting given shape, during as the hull workpiece of arc, needn't just can finish processing by travelling workpiece, can increase substantially operating efficiency, the utility model can be used as mobile pressure head and is contained on the guide rail on the entablature of frame hydraulic press, the mobile rotary table of installing on the guide rail of the sill of cooperation frame hydraulic press uses, and especially is fit to the hull workpiece of press process arc.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Label among the figure is respectively: the 1-master cylinder of working; The 2-kicker cylinder; 3-plunger rod (work master cylinder); The 4-hydraulic clamping cylinder; The 5-piston; 6-butterfly spring; The 7-spring base; The 8-contiguous block; The 9-terminal pad; The 10-flange; The 11-bull gear; The 12-pressure head; The 13-locking nut; The 14-axle sleeve; The 15-positioning sleeve; The 16-bearing; The 17-stop nut; 18-spring interstage sleeve; The 19-motor; 20-splined hole gear shaft; The 21-driving gear shaft; The 22-supporting base; The 23-rotary encoder; The 24-power transmission shaft; The 25-pinion; The 26-splined shaft; The 27-guide post; The 28-piston rod;

The specific embodiment

For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:

See also Fig. 1, hydraulic press numerical control rotary indenter device, be provided with work master cylinder 1, at work master cylinder side two kicker cylinders 2 are housed, be provided with contiguous block 8 in the cylinder body lower end, terminal pad 9, and pressure head 12, centre at contiguous block has the hole, it is screwed the upper end at terminal pad, terminal pad is screwed the lower end of plunger rod 3 at the work master cylinder by contiguous block, and be hinged at the plunger rod of both sides and kicker cylinder, the outside, lower end at cylinder body is provided with two pilot holes, and guide post 27 is housed in the hole, and its lower end is connected with terminal pad, upper end edge periphery at pressure head has concave station, is screwed on the concave station to be useful on the rotating bull gear 11 of drive ram; Be provided with in the centre of terminal pad and pressure head and be used to clamp and the pressure head clamping device that separates pressure head, its structure is: the center at terminal pad and pressure head has axis hole, positioning sleeve 15 is housed in the axis hole of terminal pad, lower end at the axis hole of pressure head offers the circular concave station that play backstop effect of diameter greater than its axis hole, be coated with axle sleeve 14 in the positioning sleeve on terminal pad and the axis hole of pressure head as the pressure head rotating shaft, its 10 places, lower end have the flange that matches with circular concave station, it plays the backstop effect, and on the axis hole of flange lower end, offer circular concave station, the flange of axle sleeve lower end leans on the circular concave station of pressure head axis hole lower end, so that the pressure head apical grafting is below terminal pad, bearing 16 is equipped with in the upper end that stretches out in positioning sleeve of axle sleeve, packing ring and stop nut 17, leave certain interval during its assembling, so that pressure head can separate with terminal pad, rotate, in the bar hole of lower end of the plunger rod 3 of work master cylinder, be provided with hydraulic clamping cylinder 4, it is fixed on the upper end in the aperture of contiguous block, spring base 7 is equipped with in the cylinder body lower end of hydraulic clamping cylinder, between the piston 5 of hydraulic cylinder and spring base, dish spring 6 and spring interstage sleeve 18 are housed, the lower end of the piston of hydraulic cylinder is connected with piston rod 28, it passes the dish spring successively, spring base, the axis hole of the axle sleeve in the axis hole of terminal pad and pressure head, its end stretches out in the circular concave station of the flange lower end of axle sleeve lower end, and packing ring and locking nut 13 are housed on the termination; Side at the work master cylinder is equipped with by motor, the pinion unit pressure head revolution transmitting device that is used for the drive ram transposition that rotary encoder is formed of unifying, its structure is: the side of cylinder body at the work master cylinder is provided with the supporting base 22 that has two axis holes, it is arranged on the lower end in the cylinder body outside, near in the axis hole of cylinder body one side splined hole gear shaft 20 is being housed, splined shaft 26 is housed in its splined hole, in another axis hole of supporting base, driving gear shaft 21 is housed, the driving gear that is meshed with gear on the splined hole gear shaft is housed on it, upper end at driving gear shaft, be connected with motor 19 by power transmission shaft 24, the lower end is connected with rotation sign indicating number device 23 partially, the inclined to one side sign indicating number of rotation device is contained in the lower end of axis hole, the outside on terminal pad has the axis hole with the axis hole concentric of close cylinder body one side of supporting base, output shaft is housed in the axis hole, its upper end is connected with the lower end of described splined shaft, and the lower end stretches out in axis hole and is equipped with on the termination and fixing bull gear 11 pinion in mesh 25 in pressure head upper end.

Operation principle of the present utility model is: send the instruction of pressure head transposition when the digital control system of hydraulic press after, the hydraulic clamping cylinder action of being equipped with in the middle of terminal pad and the pressure head, the downward compact disc spring of its piston, and terminate in the spring catch set upper side, it is downward to drive piston rod simultaneously, the locking nut of piston-rod lower end is separated with the circular concave station of pad with the axis hole lower end of axle sleeve, and then the flange of axle sleeve lower end is separated with the circular concave station of pressure head axis hole lower end, at the same time, the rotary encoder of pressure head revolution transmitting device sends action command, triggers electric motor starting, and the pinion by the gear train assembly output drives and is fixed with the pressure head of bull gear around the axle sleeve transposition, after reaching the default transposition value of encoder, motor cuts out, the hydraulic cylinder pressure release, and the dish spring resets and pushes piston, and then pressure head is resetted, lean securely in the terminal pad lower end.

Claims (1)

1. hydraulic press numerical control rotary indenter device, by the work master cylinder, be contained in work master cylinder side two kicker cylinders, be contained in the cylinder body lower end and the contiguous block and terminal pad and the pressure head etc. that are connected with the plunger rod of work master cylinder and kicker cylinder are formed, it is characterized in that: the centre at contiguous block has the hole, it is fixed on the upper end of terminal pad, terminal pad is fixed on the lower end of work master cylinder plunger piston bar by contiguous block, and link to each other with the plunger rod of kicker cylinder in both sides, be fixed with in the upper end of pressure head and be used for the rotating bull gear of drive ram; Be provided with in the centre of terminal pad and pressure head and be used to clamp and the pressure head clamping device that separates pressure head, its structure is: the center at terminal pad and pressure head has axis hole, in the axis hole of terminal pad, positioning sleeve is housed, lower end at the axis hole of pressure head offers the circular concave station that play backstop effect of diameter greater than its axis hole, in the axis hole of the positioning sleeve of terminal pad and pressure head, be coated with the axle sleeve that the lower end has flange and offer circular concave station on the axis hole of flange lower end, the flange of its lower end leans on the circular concave station of pressure head axis hole lower end, bearing is equipped with in the upper end that stretches out in positioning sleeve of axle sleeve, packing ring and stop nut, in the bar hole of plunger rod lower end of work master cylinder, be provided with hydraulic clamping cylinder, it is fixed on the upper end in the aperture of contiguous block, spring base is equipped with in the cylinder body lower end of hydraulic clamping cylinder, between the piston of hydraulic cylinder and spring base, the dish spring is housed, the lower end of the piston of hydraulic cylinder is connected with piston rod, it passes the dish spring successively, spring base, the axis hole of the axle sleeve in the axis hole of terminal pad and pressure head, its end stretches out in the circular concave station of the flange lower end of axle sleeve lower end, and packing ring and locking nut are housed on the termination; Side at the work master cylinder is equipped with the pressure head revolution transmitting device that is used for the drive ram transposition, its structure is: the side of cylinder body at the work master cylinder is provided with the supporting base that has two axis holes, near in the axis hole of cylinder body one side the splined hole gear shaft is being housed, in its splined hole splined shaft is housed, in another axis hole of supporting base, driving shaft is housed, the driving gear that is meshed with gear on the splined hole gear shaft is housed on it, upper end at driving shaft is connected with motor, the lower end is connected with rotary encoder, the outside on described terminal pad has the axis hole with the axis hole concentric of close cylinder body one side of supporting base, output shaft is housed in the axis hole, its upper end is connected with the lower end of described splined shaft, and the lower end stretches out in axis hole and is equipped with on the termination and the fixing bull gear pinion in mesh in pressure head upper end.

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