High-precision mold testing machine

Abstract

The utility model provides a high-precision mold testing machine which comprises a machine frame, a working table, a mounting top plate, a mounting support and a lifting driving assembly, the lifting driving assembly comprises a rotating motor, a crank, a driving rod assembly, a hinge seat, a lifting support and a first driving block, and the rotating motor is fixed at the upper end of the mounting support; the crank is rotatably mounted on the mounting support, one end of the crank is connected with the power output end of the rotating motor, a driving arm is arranged in the middle of the crank, a center shaft of the driving arm is arranged on a rotating shaft of the power output end of the rotating motor in an offset mode, and the middle of the lifting support is slidably connected with the mounting top plate. The upper end and the lower end of the driving rod assembly are hinged to the driving arm and the hinge seat correspondingly. The first driving block is fixed to the lower end of the lifting support. The design has the advantages that the running stroke of the mold can be more accurately controlled, the mold can still keep the original position without moving during power failure, the safety of equipment is improved, and the mold can be prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould debugging device field, especially in a kind of high-precision mould testing machine. BACKGROUND

[0002] In lithium battery production process, pole piece cutting is one of the key processes that affect battery performance and safety. When testing the mold, the traditional mold testing machine usually uses a general power motor to drive the cutting mechanism, which has significant technical limitations. First, the output characteristics of the power motor make it difficult to accurately control the cutting depth, and the parameters cannot be flexibly adjusted according to the mold requirements, which affects the consistency of the pole piece forming. Second, the inertial movement of the power motor after power-off can easily cause displacement of the cutting head, which may damage the mold or workpiece, and its safety is not sufficient. Therefore, it is necessary to make a high-precision mold testing machine to solve the above problems. SUMMARY

[0003] The purpose of the utility model is to provide a kind of high-precision mould testing machine to solve the problems mentioned in the background art.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] A kind of high-precision mould testing machine, including rack, workbench, installation top plate, installation support and lifting drive assembly, workbench is fixed above the rack, installation top plate is erected above the workbench, installation support is fixed above the installation top plate, lifting drive assembly includes rotary motor, crank, drive rod assembly, hinged seat, lifting support and first drive block, rotary motor is fixed at the upper end of installation support, crank is rotatably installed on installation support and one end is connected with the power output end of rotary motor, the middle part of crank is provided with driving arm, the central axis of driving arm is offset from the rotation shaft of rotary motor power output end, the middle part of lifting support is slidably connected with installation top plate, hinged seat is fixed at the top of lifting support, the upper and lower ends of drive rod assembly are hingedly connected with driving arm and hinged seat respectively, and first drive block is fixed at the lower end of lifting support.

[0006] Further description of the utility model: drive rod assembly includes upper hinged rod, lower hinged rod, cover plate, adjusting stud and locking nut, the upper end of upper hinged rod is hingedly connected with driving arm, the lower end of lower hinged rod is hingedly connected with hinged seat, the upper end of lower hinged rod is provided with a cavity with the opening upward, the cover plate is fixed at the upper end of lower hinged rod, the adjusting stud includes lifting drive head, rotary shaft, hexagonal drive head and stud body fixedly connected in sequence from bottom to top, the rotary shaft is rotatably installed on the cover plate, the lifting drive head is fixed at the lower end of rotary shaft and the upper end is in contact with the cover plate, the hexagonal drive head is above the cover plate, the upper end of stud body is threadedly connected with the lower end of upper hinged rod, and the locking nut is threadedly connected with the stud body.

[0007] Further description of the utility model: the upper lifting plate, the lower lifting plate, the guide pillar and the buffer spring of the lifting support, the guide pillar is set through the installation top plate and is connected with the installation top plate slidingly, the upper lifting plate and the lower lifting plate are fixed at the upper and lower ends of the guide pillar respectively, the hinge seat is fixed on the upper lifting plate, the first drive block is fixed on the lower lifting plate, the buffer spring is sleeved on the guide pillar and corresponds between the upper lifting plate and the installation top plate, the guide pillar and the buffer spring are provided with multiple groups.

[0008] Further description of the utility model: the horizontal baffle and the longitudinal baffle are arranged above the workbench, the horizontal baffle corresponds to the upper rear side of the workbench, the longitudinal baffle is provided with two groups and corresponds to the front left and right sides of the horizontal baffle.

[0009] Further description of the utility model: still include lifting cylinder and second drive block, be equipped with the empty slot of opening to the front on the workbench, the empty slot corresponds between the two longitudinal baffles, the lifting cylinder is fixed on the rack and the power output end is upward, the second drive block is fixed on the power output end of the lifting cylinder and corresponds under the empty slot.

[0010] The utility model discloses the beneficial effects are: when trying the cutting die, the cutting die is fixed on the workbench, the first drive block is inverted T type and corresponds in the hook portion position of the upper die, starts the switch on the equipment, and the rotary motor starts, thereby drive the crank rotation, and the driving arm is the upper end of driving rod assembly around the rotary shaft of rotary motor rotation, and the driving rod assembly lower end drives the hinge seat and the lifting support to make the lifting in vertical direction, thereby through the first drive block control the lifting of upper die, in order to test cutting action.The advantage of the design is that, through the rotary motor drive the lifting of upper die, can more accurate control the stroke of die operation, and, when power off, the die still can keep the original position unmoved, improve the security of equipment, also can avoid the damage of die. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the overall structure diagram of the utility model;

[0012] Fig. 2 It is the structure diagram of the lifting drive assembly in the utility model;

[0013] Fig. 3 It is the partial section view of the crank and driving rod assembly in the utility model;

[0014] Mark explanation:

[0015] 1, rack; 2, workbench; 21, transverse fillet; 22, longitudinal fillet; 23, clearance groove; 3, mounting top plate; 4, mounting support; 5, lifting drive assembly; 51, rotary motor; 52, crank; 521, drive arm; 53, drive rod assembly; 531, upper hinged rod; 532, lower hinged rod; 533, cover plate;

[0016] 534, adjusting stud; 5341, lifting drive head; 5342, rotary shaft; 5343, hexagonal drive head;

[0017] 5344, stud body; 535, locking nut; 54, hinged seat; 55, lifting support; 551, upper lifting plate; 552, lower lifting plate; 553, guide column; 554, buffer spring; 56, first drive block; 6, lifting cylinder; 7, second drive block. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings:

[0019] As Figs. 1 to 3 shown, a high-precision mold testing machine, comprising a rack 1, a workbench 2, a mounting top plate 3, a mounting support 4 and a lifting drive assembly 5, the workbench 2 is fixed above the rack 1, the mounting top plate 3 is erected above the workbench 2, the mounting support 4 is fixed above the mounting top plate 3, the lifting drive assembly 5 includes a rotary motor 51, a crank 52, a drive rod assembly 53, a hinged seat 54, a lifting support 55 and a first drive block 56, the rotary motor 51 is fixed on the upper end of the mounting support 4, the crank 52 is rotatably mounted on the mounting support 4 and one end is connected with the power output end of the rotary motor 51, the middle part of the crank 52 is provided with a drive arm 521, the center axis of the drive arm 521 is offset from the rotary shaft of the power output end of the rotary motor 51, the middle part of the lifting support 55 is slidably connected with the mounting top plate 3, the hinged seat 54 is fixed on the top of the lifting support 55, the upper and lower ends of the drive rod assembly 53 are respectively hinged with the drive arm 521 and the hinged seat 54, and the first drive block 56 is fixed on the lower end of the lifting support 55.

[0020] When the cutting die is tested, the cutting die is fixed on the workbench 2, the first driving block 56 is in the shape of inverted T and corresponds to the hook position of the upper die, the switch on the equipment is started, the rotating motor 51 is started, thereby driving the crank 52 to rotate, the driving arm 521 rotates the upper end of the driving rod assembly 53 around the rotating shaft of the rotating motor 51, the lower end of the driving rod assembly 53 drives the hinged seat 54 and the lifting support 55 to move up and down in the vertical direction, thereby controlling the lifting of the upper die through the first driving block 56 to test the cutting action. The advantage of the design is that the lifting of the upper die is driven by the rotating motor 51, which can more accurately control the stroke of the die operation, and when the power is off, the die can still remain in the original position without moving, improving the safety of the equipment and avoiding damage to the die.

[0021] The driving rod assembly 53 comprises an upper hinged rod 531, a lower hinged rod 532, a cover plate 533, an adjusting stud 534 and a locking nut 535, the upper end of the upper hinged rod 531 is hinged with the driving arm 521, the lower end of the lower hinged rod 532 is hinged with the hinged seat 54, the upper end of the lower hinged rod 532 is provided with an upward opening cavity, the cover plate 533 is fixed on the upper end of the lower hinged rod 532, the adjusting stud 534 comprises a lifting driving head 5341, a rotating shaft rod 5342, a hexagonal driving head 5343 and a stud body 5344 which are sequentially fixed and connected from bottom to top, the rotating shaft rod 5342 is rotatably installed on the cover plate 533, the lifting driving head 5341 is fixed on the lower end of the rotating shaft rod 5342 and the upper end abuts against the cover plate 533, the hexagonal driving head 5343 corresponds to above the cover plate 533, the upper end of the stud body 5344 is threadedly connected with the lower end of the upper hinged rod 531, and the locking nut 535 is threadedly connected with the stud body 5344.

[0022] The hexagonal driving head 5343 can be easily rotated by using a wrench, so that the stud body 5344 is lifted relative to the upper hinged rod 531, and the hinged seat 54 is lifted by the lifting driving head 5341, thereby adjusting the original height of the first driving head to adapt to different specifications of cutting dies for use, and after the adjustment is completed, the locking nut 535 is rotated to abut against the lower end of the upper hinged rod 531 upward, thereby avoiding the rotation of the adjusting stud 534 during the die testing.

[0023] The lifting support 55 comprises an upper lifting plate 551, a lower lifting plate 552, a guide column 553 and a buffer spring 554, the guide column 553 penetrates through the installation top plate 3 and is slidably connected with the installation top plate 3, the upper and lower lifting plates 551 and 552 are respectively fixed on the upper and lower ends of the guide column 553, the hinged seat 54 is fixed on the upper lifting plate 551, the first driving block 56 is fixed on the lower lifting plate 552, the buffer spring 554 is sleeved on the guide column 553 and corresponds to between the upper lifting plate 551 and the installation top plate 3, and the guide column 553 and the buffer spring 554 are provided in multiple groups.

[0024] In the process of the lifting driving assembly 5 driving the upper die to descend, the buffer spring 554 is compressed, thereby buffering the upper die.

[0025] The workbench 2 is provided with transverse stops 21 and longitudinal stops 22, the transverse stops 21 correspond to the upper rear side of the workbench 2, and the longitudinal stops 22 are provided in two groups and correspond to the front left and right sides of the transverse stops 21.

[0026] The transverse stops 21 and the longitudinal stops 22 can facilitate positioning of the lower die and improve the installation efficiency of the mold.

[0027] In the design, the lifting cylinder 6 and the second driving block 7 are further included, the workbench 2 is provided with an empty slot 23 opening forward, the empty slot 23 corresponds to the two groups of longitudinal stops 22, the lifting cylinder 6 is fixed on the rack 1 and the power output end faces upward, and the second driving block 7 is fixed on the power output end of the lifting cylinder 6 and corresponds to the lower side of the empty slot 23.

[0028] For part of the cutting mold, the lower die is provided with an elastic supporting platform, the bottom of the supporting platform is provided with a hook part, the second driving block 7 is T-shaped and corresponds to the hook part of the supporting platform, in the process of cutting, the second driving block 7 is first lifted by the lifting cylinder 6, thereby driving the supporting platform to rise, and then the cutting action is realized by the descending of the upper die, so that the supporting platform plays a buffering role in the process of cutting.

[0029] The above is not intended to limit the technical scope of the utility model in any way, and any modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the technical scope of the utility model.

Claims

1. A high precision pattern testing machine characterized by: The utility model provides a kind of lifting device, including rack, workbench, installation top plate, installation support and lifting drive component, the workbench is fixed above the rack, the installation top plate is erected above the workbench, the installation support is fixed above the installation top plate, the lifting drive component includes rotating motor, crank, drive rod component, hinged seat, lifting support and first drive block, the rotating motor is fixed in the upper end of the installation support, the crank is rotatably installed on the installation support and one end is connected with the power output end of the rotating motor, the middle part of the crank is equipped with driving arm, the central axis of the driving arm is offset to the rotation shaft of the power output end of the rotating motor, the lifting support middle part is slidably connected with the installation top plate, the hinged seat is fixed in the top of the lifting support, the upper and lower ends of the drive rod component are respectively hinged with the driving arm, the hinged seat, the first drive block is fixed in the lower end of the lifting support.

2. The high precision pattern testing machine according to claim 1, wherein: The drive rod component includes upper hinged rod, lower hinged rod, cover plate, adjusting stud and locking nut, the upper end of the upper hinged rod is hinged with the driving arm, the lower end of the lower hinged rod is hinged with the hinged seat, the upper end of the lower hinged rod is provided with upward cavity, the cover plate is fixed in the upper end of the lower hinged rod, the adjusting stud includes lifting drive head, rotating shaft rod, hexagonal drive head and stud body sequentially fixed and connected from bottom to top, the rotating shaft rod is rotatably installed on the cover plate, the lifting drive head is fixed in the lower end of the rotating shaft rod and upper end is in contact with the cover plate, the hexagonal drive head corresponds to the upper side of the cover plate, the upper end of the stud body is threadedly connected with the lower end of the upper hinged rod, the locking nut is threadedly connected with the stud body.

3. The high precision pattern testing machine of claim 1, wherein: The lifting support upper lifting plate, lower lifting plate, guide column and buffer spring, the guide column is threaded through the installation top plate and is slidably connected with the installation top plate, the upper lifting plate and the lower lifting plate are respectively fixed in the upper and lower ends of the guide column, the hinged seat is fixed on the upper lifting plate, the first drive block is fixed on the lower lifting plate, the buffer spring is sleeved on the guide column and corresponds to between the upper lifting plate and the installation top plate, the guide column and the buffer spring are provided with multiple groups.

4. The high precision pattern testing machine of claim 1, wherein: The workbench is provided with transverse stop and longitudinal stop above, the transverse stop corresponds to the upper rear side of the workbench, the longitudinal stop is provided with two groups and corresponds to the front left and right sides of the transverse stop respectively.

5. A high precision pattern testing machine as claimed in claim 4, wherein: It further includes lifting cylinder and second drive block, the workbench is provided with forward opening avoidance slot, the avoidance slot corresponds to between two groups of longitudinal stops, the lifting cylinder is fixed on the rack and power output end faces upward, the second drive block is fixed on the power output end of the lifting cylinder and corresponds to below the avoidance slot.

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