CN205929197U - Automatic fodder cutter - Google Patents

Abstract

The utility model discloses an automatic fodder cutter, which comprises a frame, be provided with in the frame and supply plastics pipe fittings to insert setting element, the cutter portion of putting, drive movable cutter portion and remove the first drive division in order to cut off plastics pipe fittings and shaping waste material junction, be provided with on the first drive division and move the extraction element in order to insert in the plastics pipe fittings and to propose plastics pipe fittings from the setting element along with cutter portion, being provided with in the frame and being used for driving that first drive division removes so that plastics pipe fittings shifts out the second drive division of frame, its technical scheme main points are that the first drive division junction of driving movable cutter inferior officer plastics pipe fittings and shaping waste material cuts off, and the extraction element draws plastics pipe fittings simultaneously, then the first drive division of second drive division drive shifts out the frame with plastics pipe fittings, accomplish plastics pipe fittings's automation and take out, reach the effect that improves excision shaping waste material efficiency.

Description

Automatic stock cutter

Technical field

This utility model is related to a kind of cutting equipment, more specifically, it relates to a kind of automatic stock cutter.

Background technology

Due to the presence of running gate system, plastic pipe all can be connected with by pouring into a mould the mould producing plastic pipe after shaping The molding waste material of system molding, molding waste material is mainly made up of sprue waste material, sub-runner waste material and cast gate waste material, wherein cast gate Waste material is connected with plastic pipe, needs manually cast gate waste material and plastic pipe junction to fracture after plastic pipe molding, and people The mode that work fractures can cause the lateral wall of plastic pipe damaged.

In order to avoid above-mentioned situation, the Chinese patent of existing Publication No. CN204451101U provides a kind of horizontal blank Working of plastics is positioned by head machine by locating piece, then passes through cutting knife and excises working of plastics and molding waste material, reaches and excise waste material Effect, this excision mode is equally applicable to the excision of plastic pipe.

But, during actual use, after molding waste material is removed, by plastics in existing equipment or by artificial Pipe fitting takes out, and especially for the unskilled operator of taking-up of plastic pipe, greatly extends the cycle of each blank, thus pole Big reduction blank efficiency.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of blank efficiency that effectively improves Automatic stock cutter.

For achieving the above object, this utility model provides following technical scheme：

A kind of automatic stock cutter, including frame, described frame is provided with the keeper inserting for plastic pipe, cutting knife Portion, the first drive division driving the movement of cutting knife portion to cut off plastic pipe and molding waste material junction, described first drive division On be provided with and move extraction element to insert in plastic pipe and plastic pipe is proposed from keeper with cutting knife portion, It is provided with described frame for driving the first drive division mobile so that plastic pipe removes the second drive division of frame.

By adopting technique scheme, when needing to excise the molding waste material on plastic pipe, first by plastic tube Part inserts on the positioning element, realizes the positioning of plastic pipe, and then the first drive division drives cutting knife portion to move to plastic pipe direction Dynamic, until by the junction cut-out of plastic pipe and molding waste material, meanwhile, extraction element is with cutting knife portion to plastic pipe side To movement, and insert in plastic pipe, the first drive division drives cutting knife portion to move to remotely located part direction together with extraction element Dynamic, extraction element drives plastic pipe to move upwardly together to depart from keeper, and then the second drive division drives the first drive division Move to Shelf External, until plastic pipe is removed frame, complete automatically taking out of plastic pipe, this process eliminates manually The process that plastic pipe is taken out in frame, it is to avoid the overlong time of artificial taking-up plastic pipe, extends each excision In the cycle of molding waste material, thus effectively shortening each cycle excising molding waste material, reach raising excision molding waste material efficiency Effect, on the other hand, the process manually constantly repeating to take out plastic pipe in frame can produce fatigue, careless slightly possibility Can be scratched by cutting knife portion, and stretch in frame using the handss avoiding operator by said structure, thus avoiding operator Handss and the cutting knife portion touch opportunity of member, reaches the injured effect of handss preventing operator, additionally, extraction element and cutting knife portion one Rise and move, when cutting knife portion cut-out plastic pipe is with molding waste material junction, extraction element is inserted simultaneously in plastic pipe, saves The time after cut-out molding waste material, plastic pipe taken out from keeper, effectively reduce the week of excision molding waste material every time Phase, reach the effect improving excision molding waste material efficiency.

Preferably, described keeper includes the locating rod for plastic pipe socket.

By adopting technique scheme, when need position plastic pipe when, by plastic pipe be socketed on the securing lever, by Only contacted with locating rod by endoporus in plastic pipe, it is to avoid the contact of the lateral wall with plastic pipe for the keeper and end wall, Prevent the medial wall of plastic pipe and the scuffing of end wall, reach the effect of the lateral wall improving plastic pipe and the surface quality of end wall Really.

Preferably, described locating rod is socketed with elastic component, described elastic component one end is offseted with frame, the other end and plastics Pipe fitting offsets so that the upper end of plastic pipe is higher than the upper end of locating rod.

By adopting technique scheme, after locating rod positioning plastic pipe, the lower end of plastic pipe and elastic component phase Support, upper end is higher than the upper end of locating rod, and the upper end of plastic pipe is easy to the insertion of extraction element, reach and be easy to extraction element and will mould The effect that expects pipe part lifts, on the other hand, when cutting knife portion is cut off with molding waste material junction to plastic pipe, cutting knife portion Can have downward impulsive force to plastic pipe, elastic component can have cushioning effect to plastic pipe, it is to avoid plastic pipe is firm The offseting with frame of property, thus preventing the lower end of plastic pipe from being damaged by frame, the small end that plastic pipe is effectively ensured is not by machine The effect that frame damages.

Preferably, described extraction element includes extracting bar, is arranged on the first suction hole extracting on bar side wall and the first suction First source of suction of pore connection.

By adopting technique scheme, when needing to lift plastic pipe, the first first drive division drives and extracts bar In insertion plastic pipe, the molding waste material on plastic pipe is cut off by cutting knife portion simultaneously, and the first source of suction air-breathing makes the first air-breathing Form negative pressure, the first suction hole has the absorption affinity of adsorption plastic pipe fitting in the presence of source of suction at hole, so that plastic tube Part is attracted on extraction bar, and the first drive division drives extraction bar to move up, and plastic pipe moves upwardly together with extracting bar Thus departing from locating rod, reach the effect that plastic pipe is proposed from locating rod, on the other hand, because plastic pipe is to pass through The mode of absorption lifts, and does not have the scratch of the crawl of conventional machinery handss, can effectively improve the surface of plastic pipe medial wall Quality, additionally, the processing of the excision molding waste material of the particularly suitable relatively thin class pipe fitting of the extracting mode of this extraction bar.

Preferably, described extraction element includes elastic rod, the expansion cavity being arranged in elastic rod is connected with expansion cavity And into expanded air inflation so that the air blowing source that offsets with plastic pipe medial wall of elastic rod.

By adopting technique scheme, when plastic pipe needs to lift, elastic rod is pushed plastics by the first drive division After in pipe fitting, blow into expansion cavity in air blowing source, so that the atmospheric pressure expanding in cavity is more than extraneous atmospheric pressure, Expanding the atmospheric pressure in cavity promotes the side wall of elastic rod to the tube wall Direction distortion of plastic pipe, makes elastic rod radially Bulged, until the lateral wall of elastic rod is offseted with the medial wall of plastic pipe, thus plastic pipe is propped up, then the first drive Dynamic portion drives elastic rod to move up, and plastic pipe moves upwardly together with elastic rod thus departing from locating rod, reaches plastics The effect that pipe fitting is raised, on the other hand, because this process plastic pipe does not have to produce sliding friction and elastic rod between, it is to avoid The medial wall of plastic pipe is rubbed, thus ensure that the effect of the interior side-wall surface quality of plastic pipe, additionally, passing through bullet Plastic pipe is propped up by the expansion of property bar, and elastic rod is to be lifted plastic pipe by way of static friction, compares absorption Mode has more preferable stability, reaches and prevents plastic pipe to be raised rear and obscission from elastic rod generation.

Preferably, described cutting knife portion includes cutting knife, described frame is fixedly installed and can relative with cutting knife slide to squeeze off Plastic pipe and the secondary cutting knife of molding waste material junction.

By adopting technique scheme, cutting knife portion has various ways, such as by way of high temperature fuses, but high The mode of temperature fusing usually can form the wire drawing of longer plastic molten melt in the lateral wall of plastic pipe or end, in order to avoid upper State the generation of situation, cutting knife portion is specifically cutting knife, is then provided with secondary cutting knife in frame, the first drive division drive cutting knife to During lower motion, cutting knife slip relative with secondary cutting knife, thus the junction of plastic pipe and molding waste material is squeezed off, it is to avoid plastics The wire drawing of pipe fitting, reaches the effect improving plastic pipe outer side wall surface quality.

Preferably, described pair cutting knife is provided with the fixation with molding waste material male-female towards on the end face of extraction element Groove.

By adopting technique scheme, when by plastic pipe socket on the securing lever, plastic pipe is connected to Molding waste material is placed in fixing groove, and fixing groove has locating effect to molding waste material, prevents from excising molding waste material in cutting knife portion During molding waste material movement, thus avoiding cutting partially molding waste material, prevent cutting knife portion not completely by plastic pipe The clean phenomenon of molding waste material excision, reaches the effect excising molding waste material on plastic pipe completely.

Preferably, described frame is tiltedly installed with and the plastic pipe dropping is received from extraction element and makes plastic pipe The reclaiming plate skidding off in frame.

By adopting technique scheme, when extraction element under the driving of the first drive division by plastic pipe from locating rod On lift after, second drive division drive the first drive division movement with by plastic pipe remove frame in, and only pass through second drive Plastic pipe is removed by the driving in portion, needs the very long stroke range of the second drive division, needs to waste long time, and passes through The setting of the reclaiming plate tilting, when the second drive division by plastic pipe moving radially along locating rod, make plastic pipe along fixed The locating rod radially away of position bar, makes plastic pipe be located on reclaiming plate, then plastic pipe is discharged by extraction element, from extraction The plastic pipe dropping on device sliding on reclaiming plate due to action of gravity, finally slides onto outside frame from reclaiming plate, this Process only needs the second drive division to drive the first drive division to drive plastic pipe to move less stroke, thus reducing the second drive division Plastic pipe is removed in frame the time used, thus reducing the cycle shearing the molding waste material of plastic pipe each time, Reach the efficiency improving molding waste material on shearing plastic pipe.

Preferably, described frame is provided with and can offset to limit determining of the first drive division shift motion with the first drive division Position portion.

By adopting technique scheme, when the second drive division drives the first drive division to move to locating rod direction, by Often slightly deviate locating rod in grabbing device, thus plastic pipe can not accurately be lifted, and pass through the setting of location division, In second drive division driving the first drive division is to locating rod direction moving process, the extraction element on the first drive division is located to be moulded During the surface of expects pipe part, location division is offseted with the first drive division, so that the extraction element exact residence on the first drive division is being moulded The surface of expects pipe part, the first drive division drives extraction element to lift plastic pipe from locating rod, thus ensureing to carry every time Take device accurately to lift plastic pipe, prevent from repeating to lift the action of plastic pipe, thus avoid extending taking plastic pipe The time going out, thus reach the effect improving molding waste material efficiency on cut-out plastic pipe.

Preferably, described first drive division is provided with the slide block installing cutting knife portion and extraction element, described slide block sets It is equipped with the clamping groove for clamping molding waste material, described clamping groove medial wall is provided with the second suction hole, described second suction Pore is communicated with the second source of suction for making the second suction hole air-breathing to lift molding waste material.

By adopting technique scheme, when slide block moves downwardly together with cutting knife portion and extraction element, clamping groove With molding waste material clamping, the second source of suction air-breathing makes to produce negative pressure at the second suction hole, thus molding waste material is adsorbed in clamping In groove, molding waste material removes the outside of frame with slide block, reaches the effect that waste material removes frame, prevents the later stage from increasing The operation of the cleaning of cleanup crew, effectively saves the cost of cleaning molding waste material.

In sum, this utility model has the advantages that：

1st, during once cutting, plastic pipe, molding waste material have been delivered to discharging by extraction element, clamping groove simultaneously Plate, then plastic pipe, molding waste material frame is skidded off from reclaiming plate, greatly save the production time, improve cut efficiency；

2nd, during slide block moves up, plastic pipe is taken up by extraction element upwards, and then the second drive division drives First drive division movement just plastic pipe remove in frame, eliminate cut off molding waste material after by plastic pipe from keeper The time of upper taking-up, effectively reduce each cycle excising molding waste material, reach the effect improving excision molding waste material efficiency；

3rd, by the setting of reclaiming plate, the driving effectively reducing the second drive division is formed, thus reduce shearing each time moulding In the cycle of the molding waste material of expects pipe part, reach the efficiency improving molding waste material on shearing plastic pipe.

Brief description

Fig. 1 is embodiment one structural representation；

Fig. 2 is the enlarged drawing of part A in Fig. 1；

Fig. 3 is the enlarged drawing of part B in Fig. 1；

Fig. 4 is the sectional view of embodiment one；

Fig. 5 is the enlarged drawing of C portion in Fig. 4；

Fig. 6 is the annexation figure of the plastic pipe in embodiment and molding waste material；

Fig. 7 is embodiment two sectional view；

Fig. 8 is the enlarged drawing of D part in Fig. 7.

In figure：1st, frame；11st, gripper shoe；111st, location division；12nd, installing plate；121st, secondary cutting knife；122nd, fixing groove；2nd, mould Expects pipe part；3rd, molding waste material；31st, sprue waste material；32nd, sub-runner waste material；33rd, cast gate waste material；4th, locating rod；41st, elastic component； 5th, the first drive division；6th, slide block；61st, extract bar；611st, the first suction hole；62nd, elastic rod；621st, expand cavity；63rd, clamping is recessed Groove；631st, the second suction hole；64th, cutting knife；7th, the second drive division；8th, reclaiming plate.

Specific embodiment

Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.

Embodiment one：

A kind of automatic stock cutter, with reference to Fig. 1 and Fig. 6, it includes the frame 1 of rectangular box, with figure in front of the diagram of frame 1 Show that rear communicates setting, the transverse plate here frame 1 being located at diagram top for the ease of description is referred to as gripper shoe 11, by frame 1 transverse plate being located at diagram lower section is referred to as installing plate 12, is fixedly installed keeper on installing plate 12, due to operator behaviour When making, plastic pipe 2 can be inserted on the positioning element by two handss respectively, so keeper is provided with two groups, thus increase cutting Efficiency except molding waste material 3.

Reference Fig. 3 and Fig. 6, plastic pipe 2 general two plastic pipes 2 of one-shot forming in forming process, therefore every group Keeper is two, in order to avoid the lateral wall of plastic pipe 2 and the damage of end wall, keeper preferred orientation bar 4, each positioning Bar 4 is corresponding with a plastic pipe 2, the small aperture in plastic pipe 2 of diameter of locating rod 4, is easy to the set of plastic pipe 2 Connect.

With reference to Fig. 1, the second drive division 7 is fixedly installed on gripper shoe 11, the second drive division 7 is pusher cylinder, promotes The piston rod of cylinder moves back and forth in the horizontal direction, and the piston rod of pusher cylinder is fixedly installed the first drive division 5, the first drive Dynamic portion 5 is lift cylinder, and gripper shoe 11 is provided through waist-shaped hole, the length direction of waist-shaped hole and the piston rod of pusher cylinder Moving direction is consistent, and the piston rod of lift cylinder passes through waist-shaped hole in gripper shoe 11, and the piston rod of lift cylinder is vertically Move back and forth, when pusher cylinder drives lift cylinder to move in the horizontal direction, the piston rod of lift cylinder is in gripper shoe 11 Slide in waist-shaped hole.

With reference to Fig. 1, Fig. 4 and Fig. 6, the piston rod of lift cylinder is fixedly installed slide block 6, the upper surface of slide block 6 and liter The piston rod of sending down the abnormal ascending QI cylinder is fixedly connected, and lower surface is fixed with cutting knife portion and extraction element, cutting knife portion be used for by molding waste material 3 with mould The junction cut-out of expects pipe part 2, the preferred cutting knife in cutting knife portion 64, in order to prevent cutting knife 64 by the driving of lift cylinder piston rod not The junction of plastic pipe 2 and molding waste material 3 can be completely cut through, secondary cutting knife 121 is fixedly installed on installing plate 12, pair is cut Knife 121 is located between two locating rods 4 with group, when the piston rod of lift cylinder drives cutting knife 64 to move downward, cutting knife 64 With secondary cutting knife 121 relative motion, thus the junction cut-out by plastic pipe 2 and molding waste material 3；In order to avoid cutting knife 64 is being cut After the molding waste material 3 on plastic pipe 2, plastic pipe 2 moves down and is socketed in completely in locating rod 4, in locating rod 4 It is socketed with elastic component 41, elastic component 41 preferred compressed spring, compression spring one end is offseted with installing plate 12, the other end and plastic tube Part 2 offsets, and in poised state, the upper end of plastic pipe 2 is higher than the upper end of locating rod 4 to compression spring.

With reference to Fig. 3 and Fig. 6, molding waste material 3 is made up of sprue waste material 31, sub-runner waste material 32 and cast gate waste material 33, When excising the molding waste material 3 on plastic pipe 2, in order to prevent the deflection of sub-runner waste material 32, set in the upper surface of secondary cutting knife 121 It is equipped with fixing groove 122, the contoured fit of fixing groove 122 and sub-runner waste material 32 lower end, when the molding waste material 3 of plastic pipe 2 is put When putting in fixing groove 122, the lower end of plastic pipe 2 is located in compression spring, and the upper end of plastic pipe 2 is higher than locating rod 4 Upper end.

With reference to Fig. 2, Fig. 4 and Fig. 5, extraction element includes extracting bar 61, the first suction hole 611 and the first source of suction（In figure Not shown）, each extracts bar 61 setting concentric with corresponding locating rod 4, when the piston rod of lift cylinder drives slide block 6 downward During motion, in the upper end through hole of insertion plastic pipe 2 of the lower end extracting bar 61；First suction hole 611 is arranged on extraction bar 61 Lateral wall on, the first suction hole 611 is provided with two, and the first suction hole 611 is located at the one end extracted within bar 61 and prolongs upwards Extend the upper surface of slide block 6, and communicate with the first source of suction, the first source of suction is the first negative pressure pump, the first negative pressure pump is existing Equipment, when needing to lift plastic pipe 2, the first negative pressure pump air-breathing, plastic pipe 2 is adsorbed by the first suction hole 611, lifting The piston rod of cylinder moves upwards, thus plastic pipe 2 is lifted.

With reference to Fig. 5 and Fig. 6, the lower surface of slide block 6 is provided with the card with sprue waste material 31 and sub-runner waste material 32 clamping Connect groove 63, clamping groove 63 medial wall is provided with the second suction hole 631, the second suction hole 631 extends upwardly to the upper of slide block 6 Surface, the second suction hole 631 and the second source of suction（In figure is not shown）Communicate, the second source of suction preferably second negative pressure pump, second The principle that molding waste material 3 is extracted by negative pressure pump is identical with the above-mentioned principle by plastic pipe 2, will not be described here, so that Molding waste material 3 is moved out of in frame 1 together with plastic pipe 2.

With reference to Fig. 1, frame 1 is tilted to be provided with reclaiming plate 8, and one end of reclaiming plate 8 is located in frame 1, and the other end is located at Outside frame 1, pusher cylinder can pull the top that lift cylinder is located in frame 1 to reclaiming plate 8, and reclaiming plate 8 is located at frame 1 Interior one end is higher than the one end outside frame 1, when the plastic pipe 2 on the piston rod of lift cylinder and molding waste material 3 can Drop on reclaiming plate 8, drop, in the plastic pipe 2 on reclaiming plate 8 and molding waste material 3, frame 1 can be slided on reclaiming plate 8 Outside.

With reference to Fig. 1, Fig. 2 and Fig. 4, the upper surface of gripper shoe 11 is fixed with location division 111, and location division 111 is preferably and positions Plate, during pusher cylinder promotes lift cylinder to move to locating rod 4 direction, when location-plate and lift cylinder offset, carries Bar 61 is taken to be located at the surface of plastic pipe 2.

Work process：With reference to Fig. 1, Fig. 3 and Fig. 6, when needing to excise the molding waste material 3 on plastic pipe 2, first will Two plastic pipes 2 connecting on molding waste material 3 are socketed in locating rod 4, when lower end and the compression spring of plastic pipe 2 offset When, sub-runner waste material 32 enters in fixing groove 122, completes the fixation of plastic pipe 2 and sub-runner, and cast gate waste material 33 is located to be fixed At the two ends of groove 122, when plastic pipe 2 and its sub-runner waste material 32 are all placed on two groups of locating rods 4, realize plastic pipe 2 and the positioning of sub-runner waste material 32.

With reference to Fig. 1, Fig. 4 and Fig. 5, lift cylinder drives piston rod band movable slider 6 to move downward, slide block 6 drive cutting knife 64, Extract bar 61 to move downward, sprue waste material 31 can enter clamping groove 63 first, and slide block 6 continues to move downward, then extracts In bar 61 insertion plastic pipe 2 upper end, when sub-runner waste material 32 enters in clamping groove 63 relatively, cutting knife 64 and plastic pipe 2nd, the junction of cast gate waste material 33 offsets, and cutting knife 64 continues to move downward, because secondary cutting knife 121 supports molding waste material 3 relatively to cut Knife 64 maintains static, cutting knife 64 by the junction cut-out of cast gate waste material 33 and plastic pipe 2, cutting knife 64 by plastic pipe 2 with During the cut-out of cast gate waste material 33 junction, cutting knife 64 is offseted with the end of plastic pipe 2, and plastic pipe 2 is pushed down on The distance of dynamic very little, compression spring passes through compression prevents plastic pipe 2 and the installing plate 12 of lower section from offseting, and during this, carries Take bar 61 all not contact with locating rod 4, realize the excision of molding waste material 3 on plastic pipe 2.

With reference to Fig. 3, Fig. 5 and Fig. 6, the first negative pressure pump air-breathing makes to produce negative pressure, the first suction hole at the first suction hole 611 Plastic pipe 2 is adsorbed by 611, and the second negative pressure pump air-breathing makes to produce negative pressure, the second suction hole 631 at the second suction hole 631 simultaneously Molding waste material 3 is adsorbed, then lift cylinder drives piston rod band movable slider 6 to move up, slide block 6 drives cutting knife 64, extracts Bar 61, plastic pipe 2 and molding waste material 3 move upwards, because the general diameter of sub-runner waste material 32 is less, so sub-runner waste material 32 depart from fixing groove 122 first, and slide block 6 continues to move up, and after plastic pipe 2 completely disengages from locating rod 4, thrust cylinder is received Contract its piston rod, and the piston rod of thrust cylinder drives lift cylinder in the horizontal direction and moves to diagram rear, when lift cylinder, When slide block 6, plastic pipe 2, molding waste material 3 are respectively positioned on the surface of reclaiming plate 8, the first negative pressure pump, the second negative pressure pump stop inhaling Gas, all recovers normal atmosphere (An) at the first suction hole 611, the second suction hole 631, the first suction hole 611, the second suction hole 631 To plastic pipe 2, molding waste material 3, there is no absorption affinity respectively, plastic pipe 2, molding waste material 3 drop to downwards on guide plate, Due to action of gravity, plastic pipe 2, molding waste material 3 to diagram rear slide, until skidding off frame 1, are realized on reclaiming plate 8 The excision of molding waste material 3 of plastic pipe 2 and the discharging of plastic pipe 2, molding waste material 3.

Embodiment two：

A kind of automatic stock cutter, with reference to Fig. 6, Fig. 7 and Fig. 8, the present embodiment based on embodiment one, the present embodiment with The difference of embodiment one is：Extraction element in the present embodiment includes elastic rod 62, expands cavity 621 and air blowing source（In figure Not shown）, the material of elastic rod 62 is rubber, and the diameter of elastic rod 62 is less than the medial wall of plastic pipe 2, is easy to elastic rod 62 Insertion plastic pipe 2 in, expand cavity 621 be located at elastic rod 62 in, expand top from cavity 621 to slide block 6 extend and with blow Source of the gas connects, and air blowing source is air positive pressure pump, and air positive pressure pump is existing equipment, and air positive pressure pump is used for expansion cavity 621 Interior inflation, so that the side wall of elastic rod 62 bulges, the side wall of elastic rod 62 and the medial wall of plastic pipe 2 offset, and realize plastics The crawl of pipe fitting 2.

Work process：With reference to Fig. 6, Fig. 7 and Fig. 8, the difference with embodiment one is:Extract and discharge plastic pipe 2 Mode is different；When needing to extract plastic pipe 2, lift cylinder drives its piston rod band movable slider 6 to move downward, slide block 6 Elastic rod 62 is driven to move downward, elastic rod 62 inserts in plastic pipe 2 during moving downward, and then cutting knife 64 is to plastics After on pipe fitting 2, molding waste material 3 is excised, air positive pressure pump is blown to expanding in cavity 621, and the lateral wall of elastic rod 62 is to remote From the direction bulging expanding cavity 621, so that the lateral wall of elastic rod 62 is offseted with the medial wall of plastic pipe 2, Ran Housheng The drive rod band movable slider 6 of sending down the abnormal ascending QI cylinder moves upwards, so that plastic pipe 2 moves upwardly together with elastic rod 62 and departs from determining Position bar 4, slide block 6 is pulled to the surface of reclaiming plate 8 by the piston rod of pusher cylinder, and now air positive pressure pump stops to expansion sky Blow in chamber 621, expand the atmospheric pressure in cavity 621 and external atmosphere pressure strongly consistent, the bulging of elastic rod 62 disappears, elastic rod 62 lateral wall departs from the medial wall of plastic pipe 2, and plastic pipe 2 falls to downwards on reclaiming plate 8, meanwhile, the second negative pressure pump Stop suction, thus molding waste material 3 falls to downwards on reclaiming plate 8, molding waste material 3 is together with plastic pipe 2 from reclaiming plate 8 Skid off outside frame 1, realize the excision of molding waste material 3 of plastic pipe 2 and the discharging of plastic pipe 2, molding waste material 3.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonging under this utility model thinking belong to protection domain of the present utility model.Should refer to Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. a kind of automatic stock cutter, including frame (1), described frame (1) is provided with the positioning inserting for plastic pipe (2) Part, cutting knife portion, the first drive division driving the movement of cutting knife portion to cut off plastic pipe (2) with molding waste material (3) junction (5), it is characterized in that：It is provided with described first drive division (5) with the movement of cutting knife portion to insert in plastic pipe (2) and to incite somebody to action The extraction element that plastic pipe (2) proposes from keeper, described frame (1) is provided with for driving the first drive division (5) Move so that plastic pipe (2) removes second drive division (7) of frame (1).

2. automatic stock cutter according to claim 1, is characterized in that：Described keeper includes being socketed for plastic pipe (2) Locating rod (4).

3. automatic stock cutter according to claim 2, is characterized in that：It is socketed with elastic component (41) on described locating rod (4), Described elastic component (41) one end is offseted with frame (1), and the other end and plastic pipe (2) offset so that the upper end of plastic pipe (2) Upper end higher than locating rod (4).

4. automatic stock cutter according to claim 1, is characterized in that：Described extraction element includes extracting bar (61), setting The first source of suction that the first suction hole (611) on extracting bar (61) side wall is connected with the first suction hole (611).

5. automatic stock cutter according to claim 1, is characterized in that：Described extraction element includes elastic rod (62), setting The expansion cavity (621) in elastic rod (62) with expand cavity (621) connect and to expanded air in inflate so that elastic rod (62) the air blowing source offseting with plastic pipe (2) medial wall.

6. automatic stock cutter according to claim 1, is characterized in that：Described cutting knife portion includes cutting knife (64), described frame (1) it is fixedly installed on and can slip relative with cutting knife (64) be cut with the pair squeezing off plastic pipe (2) and molding waste material (3) junction Knife (121).

7. automatic stock cutter according to claim 6, is characterized in that：Described pair cutting knife (121) is towards the end of extraction element Fixing groove (122) with molding waste material (3) male-female is provided with face.

8. automatic stock cutter according to claim 1, is characterized in that：Reception is tiltedly installed with described frame (1) from carrying The reclaiming plate (8) plastic pipe (2) dropping being taken on device and making plastic pipe (2) skid off in frame (1).

9. automatic stock cutter according to claim 1, is characterized in that：Being provided with described frame (1) can be with the first driving Portion (5) offsets to limit the location division (111) of the first drive division (5) shift motion.

10. automatic stock cutter according to claim 1, is characterized in that：It is provided with installation on described first drive division (5) to cut The slide block (6) of knife portion and extraction element, described slide block (6) is provided with the clamping groove (63) for clamping molding waste material (3), Described clamping groove (63) medial wall is provided with the second suction hole (631), and described second suction hole (631) is communicated with for making Second source of suction to lift molding waste material (3) for two suction holes (631) air-breathing.