Die height adjusting device for high-speed heavy-load press machine

Abstract

The utility model discloses a die height adjusting device for a high-speed heavy-load press machine, which comprises a rack, a sliding body capable of moving longitudinally is arranged on the rack, a motor and a turbine box are arranged at the top of the rack, the turbine box is in transmission connection with a spline shaft, the lower end of the turbine box is connected with a driving gear which rotates synchronously with the spline shaft, and the driving gear is in transmission connection with the spline shaft. Piston rods are arranged on the two sides of the driving gear respectively, limiting blocks are arranged on the piston rods, large gears are fixedly arranged at the upper ends of the limiting blocks, the limiting blocks are in threaded connection with annular blocks, the annular blocks are fixedly arranged on the sliding body, a motor is in transmission connection with a worm through a synchronous belt wheel, and a turbine is in transmission connection with a spline shaft. The spline shaft is driven to drive the driving gear to rotate, the driving gear is in transmission connection with the large gear through the transition gear, and when the large gear rotates, the relative positions of the limiting block and the annular block are changed, so that the spline shaft and the sliding body synchronously move up and down to achieve the purpose of adjusting the die filling height, and the problem that a motor and a turbine box are damaged is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press die height technical field, especially a die height adjusting device for high-speed heavy load press. BACKGROUND

[0002] At present, the main reason for the press to adjust the die height is to adapt to the needs of different dies and ensure that the dies can be correctly installed and work efficiently.

[0003] In the prior art, the driving part is generally installed on the slide body, and the slide body is a stamping part, such as the public patent document CN212446481U. The sawtooth thread adjusting rod fixed in the four groups of worm gear boxes in the slide body is driven to rotate by the electric motor, realizing the up-down adjustment action of the slide body. During the stamping process, the driving part will be affected by vibration, which will cause it to be easily damaged.

[0004] Therefore, the applicant proposes a more reasonable die height adjusting device. UTILITY MODEL CONTENTS

[0005] The utility model provides a die height adjusting device for high-speed heavy load press in prior art deficiency, as the motor and turbine box of driving part are installed on the top of rack, through relevant transmission assembly to realize the adjustment of die height, can also avoid the problem that driving part is easily damaged by vibration.

[0006] To solve the above technical problems, the utility model solves them through the following technical schemes:

[0007] A die height adjusting device for high-speed heavy load press, comprising a rack, the rack is provided with a slide body that can move longitudinally, a motor and a turbine box are arranged on the top of the rack, the turbine box is drivingly connected with a spline shaft, the lower end of the spline shaft is connected with a driving gear that rotates synchronously with the spline shaft, the driving gear is drivingly connected with a large gear through one or more transition gears, a piston rod is arranged on each side of the driving gear, a limit block is arranged on the piston rod, a large gear is fixedly arranged on the upper end of the limit block, an annular block is threadedly connected with the limit block, and the annular block is fixedly arranged on the slide body.

[0008] In the above scheme, preferably, the motor is a servo motor.

[0009] In the above scheme, preferably, the turbine box comprises a box body and a worm gear and a worm arranged on the box body and drivingly connected with each other, the motor is drivingly connected with the worm through a synchronous belt pulley, and the turbine is drivingly connected with the spline shaft.

[0010] In the above scheme, preferably, the box body is installed on the top of the rack.

[0011] Preferably, the lower part of the spline shaft is provided with a check ring bearing matched with the sliding body, so that the spline shaft moves longitudinally when the sliding body moves longitudinally.

[0012] Preferably, the limiting block is an external thread limiting block, and the annular block is an internal thread annular block.

[0013] Preferably, the tooth thickness of the over gear is greater than the tooth thickness of the large gear.

[0014] Preferably, the tooth thickness of the limiting block is greater than the tooth thickness of the annular block.

[0015] Preferably, the two sides of the rack arm are provided with sliding grooves slidably connected with the sliding body.

[0016] Preferably, the bottom of the piston rod is provided with a piston, and the sliding body is provided with a movable area longitudinally movable with the piston.

[0017] A workbench for placing workpieces is arranged directly below the sliding body.

[0018] The beneficial effects of the present application are:

[0019] The motor and the turbine box are installed on the top of the rack, the motor is connected with the worm through a synchronous pulley, the turbine is connected with the spline shaft, the spline shaft drives the driving gear to rotate, the driving gear is connected with the large gear through a transition gear, when the large gear rotates, the relative position of the limiting block and the annular block changes, so as to adjust the mold height, and the problems of damage of the motor and the turbine box are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the present application.

[0021] Figure 2 It is a schematic view of the present application. Figure 1 It is an enlarged schematic view of A1.

[0022] Figure 3 It is a sectional view of the present application.

[0023] Figure 4 It is a sectional view of the present application. Figure 3 It is an enlarged schematic view of B1.

[0024] Figure 5 It is a schematic view of the transmission matching structure of the present application.

[0025] Figure 6 It is a schematic view of the transmission matching structure of the present application. Figure 5 It is a schematic view of the transmission matching structure of the present application.

[0026] Figure 7 The new spline shaft structure is used for the utility model. DETAILED DESCRIPTION

[0027] The utility model will be described in further detail below in combination with the drawings and specific embodiments:

[0028] Referring to Figures 1-7 A die height adjusting device for a high-speed heavy-duty press comprises a rack 1, slide grooves 16 are arranged on both sides of the support arm of the rack 1, slide bodies 2 are arranged in sliding cooperation on the slide grooves 16, the slide bodies 2 are located directly above worktables 17, the worktables 17 are used for placing workpieces, and a certain space is left between the slide bodies 2 in the initial state and the worktables 17 for installing dies and workpieces.

[0029] A motor 9 and a worm gear box 10 are installed on the top of the rack 1, the motor 9 is a servo motor, the worm gear box 10 comprises a box body and worm gears 12 and worms 13 arranged on the box body and in transmission connection with each other, the motor 9 is in transmission connection with the worms 13 through synchronous pulleys, the worm gears 12 are in transmission connection with the spline shafts 11, longitudinally pass through the worm gear box 10, and the lower ends of the spline shafts 11 are connected with driving gears 15 that rotate synchronously with the spline shafts 11, the spline shafts 11 are provided with stop ring bearings 18 that cooperate with the slide bodies 2 or are limited in the longitudinal direction by other common components in the prior art without affecting the rotatable action of the spline shafts 11, so that the spline shafts 11 move longitudinally when the slide bodies 2 move longitudinally, the spline shafts 11, the driving gears 15 arranged at the lower ends of the spline shafts 11 and the slide bodies 2 move synchronously up and down, and since the motor 9 and the worm gear box 10 are installed on the top of the rack 1, the slide bodies 2 avoid the problem of damage to the motor 9 and the worm gear box 10 when moving up and down.

[0030] The driving gears 15 can be fixed on the spline shafts 11 through key grooves or welding, so as to prevent the spline shafts 11 from being separated from the driving gears 15 when moving up and down, the key groove fixing mode is convenient for disassembly and replacement, and the welding fixing mode is not easy to disassemble and replace.

[0031] Specifically, piston rods 3 are arranged on both sides of the driving gears 15, limit blocks 4 are arranged on the piston rods 3, spur gears 7 are arranged on the limit blocks 4, the spur gears 7 are fixedly connected to the limit blocks 4 and are integrated, the driving gears 15 are in transmission connection with the spur gears 7 through one or more transition gears, as shown in the figure, the spline shafts 11 are driven to rotate, the driving gears 15 drive the first transition gears 101 and the second transition gears 102 to rotate, and the first transition gears 101 drive the spur gears 7 to rotate.

[0032] The thickness of the teeth of the transition gears 15 is greater than that of the spur gears 7, and the spur gears 7 can move longitudinally on the transition gears 15 while maintaining the transmission cooperation relationship between the two.

[0033] In order to drive the piston rod 3, the lower end of the piston rod 3 is provided with a piston 5, the piston 5 is connected with the piston rod 3 as a whole, the limiting block 4 is an external thread limiting block, an annular block 6 is threadedly connected on the limiting block 4, the annular block 6 is an internal thread annular block, the annular block 6 is fixed on the slide 2 and connected as a whole, the tooth thickness of the limiting block 4 is greater than that of the annular block 6, the annular block 6 can move longitudinally on the limiting block 4 while maintaining the transmission matching relationship of the two, so that the piston 5 realizes longitudinal movement in the active area 8, and the external thread length of the limiting block 4 is the longitudinal movement path of the annular block 6.

[0034] When the large gear 7 rotates, the limiting block 4 rotates synchronously, because the annular block 4 is fixed on the slide, and the annular block 6 and the limiting block 4 are in threaded matching relationship, therefore, after the large gear 7 rotates, the relative position of the limiting block 4 and the annular block 6 changes, thereby adjusting the die height.

[0035] Working principle: since the motor 9 and the turbine box 10 are installed on the top of the rack 1, the motor 9 is connected with the worm 13 through the synchronous belt wheel, the turbine 12 is connected with the spline shaft 11, the spline shaft 11 is longitudinally arranged on the turbine box 10, the lower part of the spline shaft 11 is provided with a stop ring bearing 18 matched with the slide 2, the spline shaft 11 drives the driving gear 15 to rotate, the driving gear 15 drives the first over gear 101 and the second over gear 102 to rotate, the first over gear 101 drives the large gear 7 to rotate, because the large gear 7 is fixedly connected with the limiting block 4 as a whole, and the annular block 6 is fixedly connected with the slide 2 as a whole, when the large gear 7 rotates, the relative position of the limiting block 4 and the annular block 6 changes, when the slide 2 moves longitudinally, the spline shaft 11 moves longitudinally, so that the spline shaft 11, the driving gear 15 arranged at the lower end of the spline shaft 11 and the slide 2 move synchronously, thereby achieving the purpose of adjusting the die height.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A die height adjusting device for high speed heavy duty press comprising a frame (1), characterized in that: The rack (1) is provided with a longitudinally movable sliding body (2), the top of the rack (1) is provided with a motor (9) and a turbine box (10), the turbine box (10) is drivingly connected with a spline shaft (11), the lower end of the spline shaft (11) is connected with a driving gear (15) which rotates synchronously with the spline shaft (11), the driving gear (15) is drivingly connected with the large gear (7) through one or more transition gears, the driving gear (15) is provided with a piston rod (3) on each side, the piston rod (3) is provided with a limiting block (4), the limiting block (4) is fixedly provided with a large gear (7) at the upper end, the limiting block (4) is threadedly connected with an annular block (6), and the annular block (6) is fixedly arranged on the sliding body (2).

2. The die height adjusting device for a high speed heavy duty press according to claim 1, wherein: The motor (9) is a servo motor.

3. The die height adjusting device for a high speed heavy duty press according to claim 1, wherein: The turbine box (10) comprises a box body and a worm wheel (12) and a worm (13) which are arranged on the box body and are drivingly connected with each other, the motor (9) is drivingly connected with the worm (13) through a synchronous belt wheel, and the worm wheel (12) is drivingly connected with the spline shaft (11).

4. The die height adjusting device for a high speed heavy duty press according to claim 3, wherein: The box body is mounted on the top of the rack.

5. The die height adjusting device for a high speed heavy duty press according to any one of claims 1 to 4, characterized in that: The lower part of the spline shaft (11) is provided with a check ring bearing (18) matched with the sliding body (2), so that the spline shaft (11) moves longitudinally when the sliding body (2) moves longitudinally.

6. The die height adjusting device for a high speed heavy duty press according to claim 1, wherein: The limiting block (4) is an outer threaded limiting block, and the annular block (6) is an inner threaded annular block.

7. The die height adjusting device for a high speed heavy duty press according to claim 1, wherein: The tooth thickness of the driving gear (15) is greater than the tooth thickness of the large gear (7).

8. The die height adjusting device for a high-speed heavy-duty press according to claim 1 or 7, characterized in that: The tooth thickness of the limiting block (4) is greater than the tooth thickness of the annular block (6).

9. The die height adjusting device for a high speed heavy duty press according to claim 1, wherein: The rack arm is provided with a sliding groove (16) which is slidingly connected with the sliding body (2) on each side.

10. The die height adjusting device for a high speed heavy duty press according to claim 1, characterized in that: The bottom of the piston rod (3) is provided with a piston (5), and the sliding body (2) is provided with a movable area (8) which moves longitudinally with the piston (5). A workbench (17) for placing workpieces is arranged directly below the sliding body (2).

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