阅读说明：本技术 一种全自动ic引脚整型设备 (Full-automatic IC pin integer equipment ) 是由 杨利明 滕子濠 于 2021-01-07 设计创作，主要内容包括：本发明公开了一种全自动IC引脚整型设备,包括：设置在工作台面下方的主传动机构,通过主传动机构的主传动轴带动的轨道凸轮机构和送料凸轮机构,所述轨道凸轮机构穿过所述工作台面支撑所述送料轨道,主传动轴转动带动送料轨道向上运动时,送料凸轮机构带动送料轨道上的料片沿送料方向运动。本发明通过将动力集中,由一根主传动轴带动轨道凸轮机构、送料凸轮机构和冲压机构同时动作对料片进行送料以及冲压切割,不需要设置位置传感器或其他电子传感器来配合进行传动控制,有效防止控制失误以及控制偏差。且动力集中可减少动力组件的设置,减少设备成本以及设备体积,提高生产效率。并设置有多个过载保护气缸进行缓冲,防止设备过载损坏。(The invention discloses a full-automatic IC pin reshaping device, which comprises: the feeding mechanism comprises a main transmission mechanism arranged below a working table surface, a track cam mechanism and a feeding cam mechanism, wherein the track cam mechanism and the feeding cam mechanism are driven by a main transmission shaft of the main transmission mechanism, the track cam mechanism penetrates through the working table surface to support the feeding track, and when the main transmission shaft rotates to drive the feeding track to move upwards, the feeding cam mechanism drives material sheets on the feeding track to move along the feeding direction. The invention concentrates power, and the track cam mechanism, the feeding cam mechanism and the stamping mechanism are driven by the main transmission shaft to simultaneously act to feed and stamp and cut the material sheet, and a position sensor or other electronic sensors are not needed to be arranged for matching transmission control, thereby effectively preventing control errors and control deviation. And the power is concentrated and the arrangement of the power assembly can be reduced, the equipment cost and the equipment volume are reduced, and the production efficiency is improved. And a plurality of overload protection cylinders are arranged for buffering, so that the equipment is prevented from being damaged due to overload.)

1. A full-automatic IC pin reshaping device, comprising: table surface (1), feeding track (2) of setting on table surface (1), main drive mechanism (3) of setting in the table surface below, track cam mechanism (4) and feeding cam mechanism (6) that final drive shaft (31) through main drive mechanism (3) drove, track cam mechanism (4) pass table surface (1) supports feeding track (3), when final drive shaft (42) rotate and drive feeding track (3) upward movement, feeding cam mechanism (4) drive the tablet on feeding track (2) and move along the pay-off direction.

2. The full-automatic IC pin reshaping device according to claim 1, wherein a plurality of support plates (11) vertical to the worktable (1) are arranged below the worktable (1), and a support table (12) parallel to the worktable (1) is connected with the bottom surfaces of the plurality of support plates (11), and the main transmission mechanism is arranged on the support plates (11).

3. The fully automatic IC pin reshaping apparatus according to claim 2, wherein the main driving mechanism (3) comprises: the belt pulley (32) of cover on final drive shaft (31) is connected through the belt and is driven belt pulley pivoted motor (33), sets up the support bearing who is located a straight line on each backup pad (11), final drive shaft (31) passes the support bearing on each backup pad (11).

4. The fully automatic IC pin profiling apparatus according to claim 2, wherein said track cam mechanism (4) comprises: a plurality of fixed support seats (42) that are fixed and are located the pay-off track below on table surface (1) are folded and are connected motion supporting seat (41) with pay-off track (2) on fixed support seat (42), are connected motion supporting seat (41) and pass push rod (43) of fixed support seat (42) and table surface (1) downwards, connect and have roller seat (44) of gyro wheel under push rod (43), transverse connecting rod (45) of all roller seats of transverse connection (44), overlap and establish on final drive shaft (31) with gyro wheel complex track cam (46), drive roller seat (44) up-and-down motion with the gyro wheel cooperation when track cam (46) rotate, make and connect push rod (43) of roller seat (44) drive pay-off track (2) up-and-down motion.

5. The full-automatic IC pin reshaping equipment according to claim 2, further comprising a plurality of lower dies arranged on the worktable (1), a punching mechanism corresponding to the upper dies and driven by the main transmission shaft to move up and down, and the upper dies are arranged on the punching mechanism (5).

6. The full-automatic IC pin reshaping apparatus according to claim 5, wherein the main transmission shaft is provided with an eccentric wheel, and the punching mechanism (5) comprises: the bottom surface of the upper die is provided with an upper die plate (51) of the upper die, a plurality of guide columns (52) with one ends connected with the upper die plate (51) and penetrating through the working table surface (1) and the supporting table surface (12), a lower die plate group connected with the other ends of the guide columns, a punch (53) connected with the lower die plate group, and a driving connecting rod (54) with one end hinged with the punch and the other end provided with an eccentric wheel matching hole.

7. The fully automatic IC pin reshaping apparatus of claim 6, wherein the lower die plate set comprises: the punch press comprises a first bearing plate (55) fixedly connected with the punch, a second bearing plate (56) positioned below the first bearing plate (55), and a plurality of overload protection cylinders (57) arranged between the first bearing plate (55) and the second bearing plate (56); the cylinder body of the overload protection cylinder (57) is fixed on the second bearing plate (56), and the piston rod of the overload protection cylinder (57) is connected with the first bearing plate (55).

8. The fully automatic IC pin reshaping apparatus of claim 7, wherein a plurality of follower cylinders (58) are further disposed around the bottom surface of the second carrier plate (56).

9. The fully automatic IC pin reshaping apparatus as claimed in claim 1, wherein the feeding cam mechanism (6) comprises: the feeding mechanism comprises a feeding cam (61) arranged at one end of a main transmission shaft (31), a swing rod assembly driven by the feeding cam (61), a feeding rod (62) driven by the swing rod assembly to move back and forth along the axial direction, a plurality of feeding supports (63) arranged on a working table top (1) and used for supporting the feeding rod (62), and a plurality of shifting sheets (64) connected with the feeding rod (62) and uniformly positioned right above a feeding track (2) at intervals, wherein shifting needles corresponding to material sheet through holes are vertically arranged below the shifting sheets (64), when the main transmission shaft (31) drives the feeding track (2) to move upwards, the shifting needles penetrate through the through holes in the material sheets, and the feeding rod (62) moves towards the feeding direction and drives the material sheets to move along the feeding track (2) through the shifting needles.

10. The full-automatic IC pin reshaping device as claimed in claim 2, wherein the worktable (1) is provided with a waste port and a receiving port corresponding to the position of the die, and a receiving box (13) connected with the receiving port through a receiving pipeline and a waste box (14) connected with the waste port through a waste pipeline are arranged on the side of the supporting platform.

Technical Field

The invention relates to the field of packaging and manufacturing, in particular to full-automatic IC pin reshaping equipment.

Background

Packaging is a technique for packaging semiconductor integrated circuit chips with insulating plastic or ceramic materials, and packaging is essential and critical for the chips. Since the chip must be isolated from the outside to prevent the chip from being corroded by impurities in the air to cause electrical performance degradation, on the other hand, the packaged chip is more convenient to mount and transport.

The power that the mould of current pin integer equipment pushed down, the power that carries the lead wire support on the track to and the power of lifting track are divided, consequently need carry out the position response through various sensors, and each motor action of deuterogamying can accomplish whole pay-off, the step of punching press cutting, but electronic sensor responds to and often has certain error, causes the equipment action incoordination easily, and leads to debugging difficulty and production process unstability easily to produce the waste material.

Disclosure of Invention

The invention provides full-automatic IC pin reshaping equipment for solving the technical problem of power source dispersion of the pin reshaping equipment in the prior art.

The technical scheme adopted by the invention is as follows:

the invention provides a full-automatic IC pin reshaping device, which comprises: the feeding device comprises a working table, a feeding track arranged on the working table, a main transmission mechanism arranged below the working table, a track cam mechanism and a feeding cam mechanism, wherein the track cam mechanism and the feeding cam mechanism are driven by a main transmission shaft of the main transmission mechanism, the track cam mechanism penetrates through the working table to support the feeding track, and when the main transmission shaft rotates to drive the feeding track to move upwards, the feeding cam mechanism drives material sheets on the feeding track to move along the feeding direction.

Furthermore, a plurality of supporting plates vertical to the working table surface are arranged below the working table surface, and a supporting table surface parallel to the working table surface is connected with the bottom surfaces of the plurality of supporting plates, and the main transmission mechanism is arranged on the supporting plates.

The main transmission mechanism includes: the belt pulley is sleeved on the main transmission shaft, the belt pulley is connected with a motor driving the belt pulley to rotate through a belt, the supporting bearings are arranged on the supporting plates and located on a straight line, and the main transmission shaft penetrates through the supporting bearings on the supporting plates.

The track cam mechanism includes: the device comprises a plurality of fixed supporting seats, a moving supporting seat, a push rod, an idler wheel seat, a transverse connecting rod and a track cam, wherein the fixed supporting seats are fixed on a working table top and positioned below a feeding track, the moving supporting seat is stacked on the fixed supporting seats and connected with the feeding track, the push rod is connected with the moving supporting seat and downwards penetrates through the fixed supporting seats and the working table top, the idler wheel seat is connected to the lower end of the push rod and provided with an idler wheel, the transverse connecting rod is transversely connected with all the idler wheel seats, the track cam is sleeved on a main transmission shaft and matched with the idler wheel, the track cam is.

The invention also comprises a plurality of lower dies arranged on the working table surface, a stamping mechanism which corresponds to the upper dies of the lower dies and drives the lower dies to move up and down through the main transmission shaft, and the upper dies are arranged on the stamping mechanism.

Be equipped with the eccentric wheel on the final drive shaft, punching press mechanism includes: the bottom surface of the upper die is provided with an upper die plate of the upper die, a plurality of guide pillars with one ends connected with the upper die plate and penetrating through the working table surface and the supporting table surface, a lower die plate group connected with the other ends of the guide pillars, a punch connected with the lower die plate group, and a driving connecting rod with one end hinged with the punch and the other end provided with an eccentric wheel matching hole.

The lower template group comprises: the device comprises a first bearing plate fixedly connected with a punch, a second bearing plate positioned below the first bearing plate, and a plurality of overload protection cylinders arranged between the first bearing plate and the second bearing plate; the cylinder body of the overload protection cylinder is fixed on the second bearing plate, and the piston rod of the overload protection cylinder is connected with the first bearing plate. And a plurality of follow-up cylinders are further arranged around the bottom surface of the second bearing plate.

Pay-off cam mechanism includes: the feeding cam is arranged at one end of the main transmission shaft, the swing rod assembly is driven by the feeding cam, the feeding rod which moves back and forth along the axial direction is driven by the swing rod assembly, the feeding supports which are arranged on the working table surface and used for supporting the feeding rod are arranged, the shifting pieces which are connected with the feeding rod and are uniformly positioned right above the feeding track at intervals are arranged, the shifting needles corresponding to the through holes of the material sheets are vertically arranged below the shifting pieces, when the main transmission shaft drives the feeding track to move upwards, the shifting needles penetrate through the through holes in the material sheets, and the feeding rod drives the material sheets to move along the feeding track through the shifting needles in the feeding direction.

Furthermore, the position of the working table surface corresponding to the die is provided with a waste material port and a material receiving port, and the side edge of the supporting platform is provided with a material receiving box connected with the material receiving port through a material receiving pipeline and a waste material box connected with the waste material port through a waste material pipeline.

Compared with the prior art, the invention can simultaneously drive the track cam mechanism, the feeding cam mechanism and the punching mechanism to simultaneously act to punch and cut the material sheet through one main transmission shaft, does not need to be provided with a position sensor or other electronic sensors to carry out matching control, and effectively prevents control errors and control deviation. Meanwhile, power is concentrated, the arrangement of power components is reduced, the equipment cost and the equipment volume are reduced, and the production efficiency is improved. And a plurality of overload protection cylinders are arranged for buffering, and equipment is interrupted in time to prevent equipment from being damaged when the stress suddenly changes in the die stamping or feeding process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a front hidden part of an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a schematic perspective view of a rear hidden part of an embodiment of the present invention;

fig. 5 is a schematic perspective view of a hidden part in an embodiment of the invention.

1, a working table surface; 2, a feeding track; 3, a main transmission mechanism; 4, a track cam mechanism; 5, punching a mechanism; 6 feeding cam mechanism; 11 a support plate; 12 supporting the table top; 13 a material receiving box; 14 a waste bin; 31 a main drive shaft; 32 belt pulleys; 33 a motor; 41 moving a supporting seat; 42 fixing the supporting seat; 43 a push rod; 44 a roller seat; 45 transverse connecting rods; 46 an orbital cam; 51, mounting a template; 52 a guide pillar; 53 a punch; 54 drive link; 55 a first carrier plate; 56 a second carrier plate; 57 an overload protection cylinder; 58 follow-up cylinder; 61 feeding cam; 62 a feed bar; 63 a feeding support; 64 plectrum; 65 a slide rail supporting plate; 66 a first slide rail; 67 a first slide; 68 a rotating shaft; 69 swinging arms; 651 a second slide rail; 652 a second slider; 691 connecting the shaft.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1, the present invention provides a full-automatic IC pin reshaping apparatus, comprising: the device comprises a working table surface 1, a feeding track 2, a main transmission mechanism 3, a track cam mechanism 4, a feeding cam mechanism 6 and a stamping mechanism 5. The working table 1 is in a fixed state and is fixedly connected with the ground or other static parts of the equipment to keep stable. The feeding track 2 is arranged on the working table board 1 and extends from the right end to the left end of the working table board 1, namely, the material sheet is placed into the feeding cam mechanism 6 to drive the material sheet to move from the right end to the left end of the feeding track 2, when the material sheet is positioned at the right end, a plurality of products which are arranged orderly and are packaged completely but need to be cut pins and waste rubber materials need to be punched and cut by a die, and the products are cut off from the material sheet. The main transmission mechanism 3 is arranged below the working table surface 1 and is a power mechanism of the track cam mechanism 4, the feeding cam mechanism 6 and the stamping mechanism 5, namely, one main transmission shaft of the main transmission mechanism 3 can simultaneously drive the track cam mechanism 4, the feeding cam mechanism 6 and the stamping mechanism 5. The track cam mechanism 4 penetrates through the working table surface 1 to support the feeding track 2, and meanwhile, the feeding track 2 is driven by the main transmission shaft 31 to be jacked upwards or fall back downwards to be positioned on the lower die. The main transmission shaft 31 drives the track cam mechanism to jack up the feeding track 2, and simultaneously drives the feeding rod 62 of the feeding cam mechanism 6 to move the material sheet in the feeding direction, and simultaneously drives the stamping mechanism 5 to move the upper die upwards. When the main transmission shaft 31 drives the feeding track 2 to fall back downwards and be positioned on the lower die, the feeding rod 62 of the feeding cam mechanism 6 is retracted to the initial feeding position, namely, moves axially in the direction opposite to the feeding direction, the punching mechanism 5 drives the upper die to press downwards in the direction of the lower die, the material piece moved to the die position is punched and cut, and then the previous action is continued. This application drives track cam mechanism, pay-off cam mechanism and punching press mechanism simultaneously through a final drive shaft 31 and accomplishes the punching press cutting to the tablet, need not set up position sensor or other electronic sensor and come to cooperate control, effectively prevents error control and control deviation. Meanwhile, power is concentrated, the arrangement of power components is reduced, the equipment cost and the equipment volume are reduced, and the production efficiency is improved.

As shown in fig. 2, the upper and lower molds are not shown in the drawing. Two lower dies are arranged on the feeding path of the feeding track 2 on the working table surface 1, and two upper dies corresponding to the two lower dies are arranged on the punching mechanism 5 and driven by the punching mechanism 5. The lower side of the working table surface 1 is provided with a plurality of supporting plates 11 vertical to the working table surface 1 and a supporting table surface 12 connected to the bottom surface of the supporting plates 11 and parallel to the working table surface 1, a fixed mounting bracket is formed by the working table surface 1, the supporting plates 11 and the supporting table surface 12, and the structure is kept stable and is used for mounting each transmission assembly.

As shown in fig. 4, the main transmission mechanism 3 includes: the main transmission shaft 31 and the motor 33 are sleeved with a belt pulley 32 at a position close to the middle of the main transmission shaft, and a rotating shaft of the motor 33 is also sleeved with a belt pulley. The motor 33 is installed on the supporting plate 11, and the rotating shaft of the motor 33 is parallel to the main transmission shaft 31, so that the motor 33 can drive the main transmission shaft 31 to rotate through a belt. Each support plate 11 is provided with a support bearing for penetrating the main transmission shaft 31 so that the main transmission shaft 31 can stably rotate around the axis.

As shown in fig. 3, the track cam mechanism 4 includes: fixed supporting seat 42, moving supporting seat 41, push rod 43, roller seat 44, transverse connecting rod 45 and track cam 46. The fixed support 42 and the moving support 41 are stacked on the work table 1 with the moving support 41 placed above the fixed support 42. The fixed supporting seats 42 and the moving supporting seats 41 are multiple and arranged along the feeding direction of the feeding track 2, the feeding track 2 is directly laid on the moving supporting seats 41, and the moving supporting seats 41 are fixed with the feeding track 2. The push rods 43 are connected to the bottom surfaces of the moving support seats 41, and the bottom surface of each moving support seat 41 is vertically connected with two push rods 43 and passes through the fixed support seat 42 and the working table top 1 to be connected with the roller seat 44. The transverse connecting rod 45 is parallel to the main transmission shaft 31 and located above the main transmission shaft 31, and is connected to all the roller seats 44 at the same time, so that the up-and-down movement of all the roller seats 44 is consistent, that is, the movement of each position where the feeding rail 2 can be lifted is consistent. The roller seat 44 is provided with a roller which is matched with a track cam 46 fixed on the main transmission shaft 31. When the main transmission shaft 31 drives the track cam 46 to rotate, the track cam 46 is matched with the roller to regularly jack up the roller seat 44 upwards, so as to drive the push rod 43 to move upwards, namely, drive the feeding track 2 to move upwards and downwards.

As shown in fig. 4 and 5, an eccentric wheel is disposed in the middle of the main transmission shaft 31, i.e., the main transmission shaft 31 is a crankshaft. The punching mechanism 5 includes: an upper die plate 51, guide posts 52, a lower die plate set, a punch 53 and a drive link. Two upper molds are fixed to the bottom surface of the upper plate 51. The periphery of the bottom surface of the upper template 51 is vertically connected with six guide posts 52, the guide posts 52 penetrate through the working table 1 and the supporting table 12 to be connected with a lower template group, and the lower template group is parallel to the supporting table 12. One end of the driving connecting rod 54 is hinged with the punch 53, and the other end of the driving connecting rod 54 is provided with an eccentric wheel matching hole, so that the other end of the driving connecting rod 54 can be sleeved on the eccentric wheel on the main transmission shaft 31, and the eccentric wheel eccentrically rotates when the main transmission shaft 31 rotates, so that the driving connecting rod 54 drives the punch 53 to move up and down. The middle part of the supporting table-board 12 is provided with a square notch corresponding to the punch 53, and a vertically arranged guide slide block is arranged at the notch, so that the punch 53 can move up and down at the square notch of the supporting table-board 12. The bottom of the punch 53 is connected to the lower die plate set, so that the lower die plate set can be driven to move up and down, and the lower die plate set is connected to the upper die plate 51 through the guide posts 52, so that the upper die on the bottom surface of the upper die plate 51 can be driven to move up and down to complete the punching.

The lower template group comprises: the punch press comprises a first bearing plate 55 fixedly connected with a punch 53, a second bearing plate 56 positioned below the first bearing plate 55, a plurality of follow-up cylinders 58 arranged on the periphery of the bottom surface of the second bearing plate 56, and a plurality of overload protection cylinders 57 arranged in the middle of the bottom surface of the second bearing plate 56; the cylinder body of the overload protection cylinder 57 is fixed to the second bearing plate 56, and the piston rod of the overload protection cylinder 57 passes through the second bearing plate 56 to be connected to the first bearing plate 55. When the upper die is overloaded in the downward punching process, the punching force of the upper die is greater than the ejection force of the piston rod, and the overload is relieved through the overload protection cylinders, so that the die and equipment are protected.

As shown in fig. 5, the feed cam mechanism 6 includes: the feeding device comprises a feeding cam 61, a swing rod assembly, a feeding rod 62, a feeding support 63, a shifting sheet 64 and a shifting needle. The feeding cam 61 is arranged at one end of the main transmission shaft 31, the swing rod component is driven by the feeding cam 61, and a plurality of feeding supports 63 for supporting the feeding rod 62 are arranged at intervals at the position on one side of the feeding track on the working table surface 1, so that the feeding rod 62 is kept horizontal and the axial movement of the feeding rod is not limited. The shifting sheet 64 is a square frame and is fixed at intervals along the length direction of the feeding rod 62, and the shifting sheet is positioned right above the feeding track 2. The poking needle is vertically arranged on the bottom surface of the poking sheet, namely, one side facing the feeding track, and the poking needle penetrates through the through hole on the sheet when the main transmission shaft 31 drives the feeding track 2 to move upwards, so that the sheet can be driven by the poking needle to move along the feeding track when the feeding rod 62 moves towards the feeding direction.

As shown in fig. 5, the swing link assembly includes: the slide rail support plate 65, the second slide rail 651, the first slide rail 66, the first slider 67, the second slider 652, the rotation shaft 68, the swing arm 69, and the connection shaft 691. The slide rail supporting plate 65 is vertically fixed on the bottom surface of the working table 1 and is provided with a second slide rail 651 and a transmission belt which are parallel to each other, meanwhile, a slide rail belt pulley is arranged on the slide rail supporting plate 65, the rotating shaft 68 is installed on the bottom surface of the working table 1 and penetrates through the working table 1, a slide rail belt pulley is also arranged at the bottom of the rotating shaft 68 and is matched with the slide rail belt pulley on the slide rail supporting plate 65, and the transmission belt is connected between the two. The first slide rail 66 is fixed on the work bench and is parallel to the feeding rod 62. The cam profile formed by the inward concave side of the feeding cam 61 is pressed against the second sliding block 652 at any moment, when the main transmission shaft 31 rotates, the feeding cam 61 rotates along with the cam profile, and the distance between the second sliding block 652 and the axis of the main transmission shaft 31 is changed continuously because the feeding cam 61 is pressed against the second sliding block 652; the second slider 652 is mounted on a second slide rail 651, and the second slide rail 651 fixes the moving track of the second slider 652, so that the distance between the second slider 652 and the axis of the main drive shaft 31 constantly changes and the second slider 652 slides back and forth along the second slide rail 651; the second sliding block 652 is fixedly connected with a transmission belt, so that the second sliding block 652 drives the rotating shaft 68 to rotate back and forth through the transmission belt; the top of the rotation shaft 68 is provided with a connection shaft 691 parallel to and not coincident with the axis thereof, one end of the swing arm 69 is rotatably connected with the first slider 67, and the other end is rotatably connected with the connection shaft 691. The first slide rail 66 is mounted on the working table 1 and is parallel to the feeding rod 62, the first slide block 67 is arranged on the first slide rail 66 and can slide back and forth along the first slide rail 66, and the first slide block 67 is connected with the feeding rod 62 to drive the feeding rod 62 to move back and forth along the axial direction. The first slide block 67 slides back and forth along the first slide rail 66 under the driving of the connecting shaft 691 and the swing arm 69, so that the feeding rod can push materials and reset. The length of the connecting shaft 691 can be set according to the movement amount required by the feeding rod, so that the feeding rod can adjust the feeding distance corresponding to the material sheets with different sizes.

In order to avoid damage to the feeding rod and the equipment, a connecting piece is further arranged on the first sliding rail 66, the connecting piece is directly connected with the feeding rod 62 to drive the feeding rod 62 to move, the first sliding block 67 is connected with the connecting piece through the second overload protection cylinder, namely, the cylinder body of the second overload protection cylinder is fixed with the first sliding block 67, and the piston rod of the second overload protection cylinder is connected with the connecting piece. Make being connected between connecting piece and the first slider for controllable rigid connection through setting up second overload protection cylinder, receive the too big time of resistance when the porter bar, second overload protection cylinder can provide a buffering, and the while is shut down equipment, avoids equipment loss to appear.

In a specific embodiment, the working table 1 is provided with a waste material port and a material receiving port corresponding to the two molds, and the side of the supporting platform is provided with a material receiving box 13 and a waste material box 14. One end of the material receiving pipeline is connected with the position of the bottom surface of the working table surface 1 corresponding to the material receiving port, and the other end of the material receiving pipeline is connected with the material receiving box 13. One end of the waste material pipeline is connected with the position of the bottom surface of the working table surface 1 corresponding to the waste material port, and the other end is connected with the waste material box 14.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.