CN205674558U - Plastic soft bag cutting machine - Google Patents

Abstract

The utility model discloses a kind of plastic soft bag cutting machine, one end for plastic soft bag is unlocked thus causes the inaccurate problem of cutting position when cutting owing to this end moves, provide techniques below scheme, including bracing frame and conveyer belt, also include being arranged at and compress cutting fixing device on conveyer belt for the plastic soft bag when cutting on bracing frame.When cutting plastic soft bag, one end of plastic soft bag is fixed, the other end will be owing to will cut into single bag and unsettled, at this moment, the cutting fixing device being arranged on bracing frame will compress the unsettled one end of plastic soft bag, thus coordinate with conveyer belt to offset one end unsettled for plastic soft bag is fixed, so in actual cutting process, plastic soft bag two ends are all stably fixed, moving due to unsettled one end before avoiding causes cutting position to be forbidden, it is thus possible to produce the plastic soft bag of size more standard, reduce defect rate.

Description

Plastic soft bag cutting machine

Technical field

The utility model relates to a kind of plastic soft bag manufacture field, more specifically, it relates to a kind of plastic soft bag cutting Machine.

Background technology

With the development of market economy, living standards of the people improve constantly, society to the demand of plastic soft bag in going up every year The trend rising, and also more and more higher to the quality requirement of plastic soft bag.Plastic soft bag is beautiful in colour with it, novel design, make Fill with the induction consumption of convenient feature and split open market.

General plastic soft bag processing technology includes blown film, cuts, color printing, cuts the steps such as film, bag, cutting finished product.Mesh Before, the Chinese patent of Publication No. 103738546A discloses a kind of device for separating and cutting freshness protection packages in roll, and it includes two simultaneously The chain transfer that row are arranged, is connected by multiple support running rollers between the chain of both sides chain transfer and forms running roller conveying Line, running roller pipeline keeps at a certain distance away and arranges running roller breach, rotating shaft bottom setting, bottom rotating shaft between two chain transfers Connecting bottom support bar, cutting knife bottom setting on bottom support bar, between two chain transfers, upper end is arranged and bottom rotating shaft The top rotating shaft coordinating, top rotating shaft connects top supporting rod, top supporting rod arranges the top coordinating with bottom cutting knife and cuts Cutter, bottom cutting knife and top cutting knife are corresponding with running roller breach when cutting, and bottom cutting knife and top cutting knife connect heater.

Although this cutter sweep can cut reeled freshness protection bags, but owing to reeled freshness protection bags matter is softer, During cutting, one end that reeled freshness protection bags is positioned at edge under conveying direction is unsettled and unlocked, and cut place tends to cutting knife Cutting action move in running roller breach, cause cutting position inaccurate, it is impossible to stably to cut out accurate size, seriously drop Low prouctiveness, therefore needs improvement badly.

Utility model content

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of plastics that can accurately cut Soft bag cutting machine.

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

A kind of plastic soft bag cutting machine, including bracing frame and conveyer belt, also includes being arranged on bracing frame when cutting Compress cutting fixing device on conveyer belt for the plastic soft bag.

Using technique scheme, when cutting plastic soft bag, one end of plastic soft bag is fixed, and the other end will be owing to cutting Being slit into single bag and unsettled, at this moment, it is unsettled that the cutting fixing device that is arranged on bracing frame will compress plastic soft bag One end, thus coordinate with conveyer belt to offset one end unsettled for plastic soft bag is fixed, so in actual cutting process, plastics are soft Bag two ends are all stably fixed, it is to avoid move due to unsettled one end before and cause cutting position to be forbidden such that it is able to produce Go out the plastic soft bag of size more standard, reduce defect rate.

Preferably, described cutting fixing device includes that being compressed downwards plastic soft bag by self gravitation effect during cutting is pressed Portion and be arranged on bracing frame drive press section drive mechanism upwards.

Using technique scheme, before cutting, press section is positioned at initial position under the drive of drive mechanism, The drive mechanism being i.e. arranged in cutting process before on bracing frame drives above conveyer belt；Cutting When, drive mechanism no longer provides power to press section, and now moved near conveyer belt by self gravitation effect in press section, to pressing When portion's phase is butted on conveyer belt, the unsettled one end of the plastic soft bag that is positioned between conveyer belt and press section will steadily be fixed, Moment when offseting fixing cuts at once, it is achieved thereby that the accurate cutting of plastic soft bag；After cutting completes, drive Mechanism will drive press section away from conveyer belt, after press section is reset to initial position, plastic soft bag cutting machine complete one complete Whole cutting process；Owing to during cutting, plastic soft bag two ends are all fixing, thus avoid owing to plastic soft bag moves cutting of causing Cut the inaccurate problem in position.

Preferably, described drive mechanism includes the dynamic of the eccentric wheel that is rotationally connected with on bracing frame and eccentric wheel V belt translation Power portion, length direction be parallel to conveying direction one end simultaneously be articulated with on bracing frame and the other end be connected with press section cross bar, The first driving arm that head end is connected on cross bar and end can offset with the outer of eccentric wheel.

Using technique scheme, when needs drive press section to compress plastic soft bag, first power part starts, and passes through skin The transmission of band, power part starts to carry movable eccentric wheel synchronous axial system, when the outer of the radially larger part of eccentric wheel starts to rotate and the One driving arm end contact when, the outer of eccentric wheel constantly conflict the first driving arm end so that first driving arm upwards Action, synchronization, the first driving arm will drive cross bar upwards action, thus drive the press section being connected with cross bar one end to lift； When the end of the outer of eccentric wheel radially maximum and the first driving arm offsets, the first driving arm reaches and can be lifted Eminence, then eccentric wheel outer and the radial distance at the first driving arm end place of offseting start to reduce, owing to the gravity of self is made With press section, cross bar and the first driving arm are by downward synchronizing moving, until press section is pressed against conveyer belt and hangs plastic soft bag Empty one end is fixed, and now finishes a complete driving process；Driving mechanism structure is simple, easy to maintenance, entirely works Process all automates, it is not necessary to manual operation, and operating efficiency is high.

Preferably, described first driving arm end be equipped with in eccentric wheel plane both sides can with eccentric wheel both sides laminating Limited block.

Using technique scheme, the end at the first driving arm is provided with the limited block being positioned at eccentric wheel plane both sides, when When eccentric wheel rotates, sliding on outer on eccentric wheel for the end of the first driving arm, meanwhile, in the both sides of eccentric wheel plane, If the end of the first driving arm is crooked to the side of eccentric wheel, limited block will be butted on the side of eccentric wheel mutually such that it is able to has The end that effect limits the first driving arm departs from from the outer of eccentric wheel.

Preferably, the end of described first driving arm is rotatably connected to the roller that can offset with eccentric wheel outer.

Using technique scheme, the end at the first driving arm is rotatably connected to the rolling that the outer with eccentric wheel offsets Wheel, when eccentric wheel rotates, eccentric random outer phase is butted on the edge of roller, and roller rolls simultaneously, turns sliding friction Become rolling friction, rub less, reduce mechanical loss, decrease idle work simultaneously, thus improve production efficiency.

Preferably, described first driving arm is provided with the regulation for regulating vertical direction distance between cross bar and eccentric wheel Assembly, described adjusting part includes the screw mandrel being rotationally connected with on the first driving arm, and described first driving arm passes through silk with cross bar Bar connects.

Use technique scheme, when the distance regulating between cross bar and eccentric wheel, it is only necessary to rotary screw rod, due to screw mandrel It is connected with cross bar threaded engagement, by producing active force up or down when screw mandrel rotates, so that cross bar is relative to eccentric wheel Between distance become big or diminish, when the distance between cross bar and eccentric wheel becomes big, now distance between the two is perpendicular Nogata to component also become big, i.e. the height of cross bar uprises, and stops operating screw mandrel, when the height to cross bar during to required height Degree be adjusted after, owing to being free-falling when it drives, the time of whereabouts by highly determining, so being simultaneously achieved to whereabouts The adjustment of time, such that it is able to the moment regulation pressing press section is to consistent with the moment of cutting.

Preferably, described screw mandrel is provided with the handwheel of rotary screw rod away from the one end being connected with cross bar.

Use technique scheme, be provided with the handwheel of rotary screw rod at screw mandrel away from the one end being connected with cross bar, thus increase The big arm of force rotating, according to physics knowledge, when moment phase, increases the arm of force and can effectively reduce the size of power, from And make rotary screw rod more laborsaving.

Preferably, described drive mechanism includes the second driving arm and the second driving arm straps being rotationally connected with on bracing frame The power part of transmission, length direction are parallel to conveying direction, and one end is articulated with on bracing frame and the other end is connected with press section simultaneously Cross bar, one end is fixedly connected on the second driving arm and the other end is connected on cross bar stay cord and be arranged on bracing frame Pull the fixed pulley in direction for changing stay cord.

Using technique scheme, when needs drive press section to compress plastic soft bag, first power part starts, and passes through skin The transmission of band, power part starts to drive the second driving arm synchronous axial system, gradually rotates to farthest from fixed pulley at the second driving arm During position, stay cord is constantly pulled, and stay cord changes direction through fixed pulley thus constantly pulls cross bar to move up, Synchronization, drive press section is lifted up by cross bar；After highest distance position, the distance of the second driving arm to fixed pulley starts Shortening, now, stay cord relaxes, and cross bar and press section will be gone to whereabouts due to self gravitation effect, i.e. to the conveying of its underpart Tape movement, until press section is pressed against conveyer belt and fixes one end unsettled for plastic soft bag, thus finishes complete driving Dynamic process, rubs less, and power loss is less.

Preferably, described press section includes the first running roller being rotationally connected with on cross bar.

Use technique scheme, owing to when cutting, conveyer belt is still in constantly transmitting, and is rolled by running roller and presses Compression molding material soft bag, can reduce the friction between press section and plastic soft bag, it is to avoid press section is scraped plastic soft bag and caused and mould The phenomenon that material soft bag is blocked.

Preferably, support frame as described above is provided with the second running roller with power part V belt translation, described second running roller outer socket Having pressing belt, the described transmission band other end is socketed on the first running roller.

Use technique scheme, between the first running roller and the second running roller, be provided with the pressing belt of rotation, so entering During row pressing, cut plastic soft bag integrally will all cover under pressing belt, and pressing belt and conveyer belt offset and carry out admittedly The effect determining plastic soft bag is more preferable, and when the second running roller rotates under the drive of power part, the first running roller and pressing belt also will be with The rotation of step, thus the plastic soft bag after coordinating conveyer belt to cut is delivered to down one manufacturing procedure.

In sum, the utility model has the advantages that

1. in actual cutting process, plastic soft bag two ends are all stably fixed, it is to avoid move due to unsettled one end and to make The cutting position becoming is forbidden such that it is able to produce the plastic soft bag of size more standard；

2. the simple in construction of drive mechanism, uses the friction mode rolling, and mechanical loss is few, and cost is relatively low simultaneously, maintenance Easy maintenance；

3. it is provided with the adjusting means of regulation cross bar height, after regulation height, i.e. achieve the tune to the time fallen every time Whole, such that it is able to the moment regulation of pressing is extremely consistent with the moment of cutting.

Brief description

Fig. 1 is the structural representation of the utility model embodiment one；

Fig. 2 is the partial approach figure of part A in Fig. 1；

Fig. 3 is the partial approach figure of part B in Fig. 1；

Fig. 4 is the structural representation of the utility model embodiment one；

Fig. 5 is the partial approach figure of C portion in Fig. 4；

Fig. 6 is the front view of the utility model embodiment one；

Fig. 7 is the structural representation of the utility model embodiment two；

Fig. 8 is the right view of the utility model embodiment two；

Fig. 9 is the sectional view in Fig. 8 along D portion；

Figure 10 is the partial approach figure of E part in Fig. 9.

In figure: the 1st, bracing frame；2nd, conveyer belt；3rd, fixing device is cut；31st, press section；311st, the first running roller；312nd, second Running roller；313rd, pressing belt；32nd, drive mechanism；321st, eccentric wheel；322nd, power part；323rd, cross bar；324th, the first driving arm； 3241st, limited block；3242nd, roller；325th, the second driving arm；326th, stay cord；327th, fixed pulley；33rd, adjusting part；331st, silk Bar；3311st, handwheel.

Detailed description of the invention

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

Embodiment one:

A kind of plastic soft bag cutting machine, with reference to Fig. 1, including bracing frame 1 and transmit the defeated of plastic soft bag by rotating Sending band 2, owing to conveyer belt 2 transmits the prior art that is embodied as of plastic soft bag, the present embodiment does not repeats at this, also includes arranging The cutting fixing device 3 compressing plastic soft bag when cutting on bracing frame 1 thus being fixed on plastic soft bag on conveyer belt 2. Wherein, press section 31 and the setting being compressed downwards plastic soft bag when fixing device 3 includes cutting by self gravitation effect is cut The drive mechanism 32 of press section 31 upwards action is driven on bracing frame 1.

With reference to Fig. 2, Fig. 5 and Fig. 6, drive mechanism 32 includes the eccentric wheel 321 that is rotationally connected with on bracing frame 1 and partially Power part the 322nd, the length direction of heart wheel 321 V belt translation is parallel to conveying direction and is articulated with on bracing frame 1 and another one end simultaneously Hold cross bar the 323rd, the head end being connected with press section 31 to be connected on cross bar 323 and end phase is butted on the edge on eccentric wheel 321 top On first driving arm 324.Wherein, eccentric wheel 321 amounts to a pair, rotates the two ends being arranged at bracing frame 1 width respectively, Carrying out transmission with power part 322 by belt, the power part 322 of the present embodiment is preferably motor, corresponding, the first driving arm 324 and cross bar 323 be all provided with a pair, be respectively in the two ends of bracing frame 1 width.The end of the first driving arm 324 rotates Being connected with roller 3242, the edge phase of roller 3242 is butted on the edge of eccentric wheel 321, in order to limit roller 3242 from eccentric wheel Departing from 321, the end at the first driving arm 324 is provided with the limited block 3241 being parallel to eccentric wheel 321 place plane.

Additionally, with reference to Fig. 2, the upper end of the first driving arm 324 is provided with the adjusting part 33 of regulation cross bar 323 height, this reality Execute the screw mandrel 331 that the preferred adjusting part of example 33 includes being rotationally connected with on the first driving arm 324, meanwhile screw mandrel 331 spiral shell Line is connected on cross bar 323, rotary screw rod 331 for convenience, is provided with hand at screw mandrel 331 away from the one end being connected with cross bar 323 Wheel 3311.

With reference to Fig. 1, Fig. 3 and Fig. 6, press section 31 includes the first running roller 311 being rotationally connected with on cross bar 323, simultaneously Bracing frame 1 is provided with the second running roller 312 being carried out transmission with motor by belt, the first running roller 311 and the second running roller 312 it Between be socketed with pressing belt 313.

The course of work of the present embodiment is as follows:

First before cutting plastic soft bag, cutting fixing device 3 to be calibrated, i.e. adjust press section 31 and press compression moulding In the moment of material soft bag, being allowed to consistent with the moment of cutting knife cutting, the present embodiment only need to rule of thumb rotate handwheel 3311 by cross bar The height regulation of 323 is to the height being suitable for.

When cutting plastic soft bag, conveyer belt 2 ceaselessly rotates and drives plastic soft bag persistently forward, meanwhile, logical Crossing the transmission of belt, power part starts to carry movable eccentric wheel 321 synchronous axial system, when the outer of the radially larger part of eccentric wheel 321 is opened Beginning to rotate when driving the end of arm 324 to contact with first, constantly conflicts the end of the first driving arm 324 in the outer of eccentric wheel 321 So that the first driving arm 324 upwards action, synchronization, the first driving arm 324 will drive cross bar 323 upwards action, thus carry The dynamic press section 31 being connected with cross bar 323 one end is lifted；Plastic soft bag move forward to need cutting position after, cutting knife to Lower action prepares cutting, and now, eccentric wheel 321 outer starts to reduce with the radial distance at the first driving arm 324 end place of offseting, Due to the Action of Gravity Field of self, press section the 31st, cross bar 323 and the first driving arm 324 are by downward synchronizing moving, until press section 31 are pressed against conveyer belt 2 fixes one end unsettled for plastic soft bag, owing to one end of the charging of plastic soft bag is fixed, and now plastics The mortgaged again of the other end of soft bag, between press section 31 and conveyer belt 2, i.e. completes moment fixing, then of plastic soft bag The cutting of standard-sized plastic soft bag is completed by cutting knife downward actuation, and subsequently the plastic soft bag of well cutting is transported by conveyer belt 2 Walk.

Embodiment two:

A kind of plastic soft bag cutting machine, with reference to Fig. 7, Fig. 8 and Fig. 9, based on embodiment one and different from embodiment one Place is drive mechanism 32, and the drive mechanism 32 that the present embodiment uses includes the second driving being rotationally connected with on bracing frame 1 Power part the 322nd, one end of arm 325 and the second driving arm 325 V belt translation is fixedly connected on the stay cord on the second driving arm 325 326th, be arranged on bracing frame 1 pull for changing stay cord 326 fixed pulley the 327th, the one end in direction be connected to stay cord 326 and another End is connected with the cross bar 323 of press section 31.Wherein, the second driving arm 325 amounts to two, rotates respectively and is arranged at bracing frame 1 width The two ends in degree direction, carry out transmission with power part 322 by belt, corresponding, the second driving arm the 325th, stay cord the 326th, fixed pulley 327 and cross bar 323 be all provided with a pair, be respectively in the two ends of bracing frame 1 width, the height of fixed pulley 327 higher than horizontal stroke The higher position of bar 323, for changing the direction of the pulling of stay cord 326.

The course of work of the present embodiment:

When needs drive press section 31 to compress plastic soft bag, first power part 322 starts, by the transmission of belt, dynamic Power portion 322 starts to drive the second driving arm 325 synchronous axial system, gradually rotates to farthest from fixed pulley 327 at the second driving arm 325 During position, stay cord 326 is constantly pulled, and stay cord 326 changes direction through fixed pulley 327 thus constantly pulls cross bar 323 move up, synchronization, and drive press section 31 is lifted up by cross bar 323；After highest distance position, second drives arm 325 start to shorten to the distance of fixed pulley 327, and now, stay cord 326 relaxes, and cross bar 323 and press section 31 are due to self gravitation Effect will be gone to whereabouts, i.e. move to the conveyer belt 2 of its underpart, until press section 31 is pressed against conveyer belt 2 and hangs plastic soft bag Empty one end is fixed, thus finishes a complete driving process, rubs less, and power loss is less.

The above is only preferred embodiment 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 the utility model thinking belong to protection domain of the present utility model.Should refer to Go out, for those skilled in the art, under the premise of without departing from the utility model principle some improvement and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. a plastic soft bag cutting machine, including bracing frame (1) and conveyer belt (2), is characterized in that: also include being arranged at support Cutting fixing device (3) on conveyer belt (2) for the plastic soft bag is compressed when cutting on frame (1).

2. plastic soft bag cutting machine according to claim 1, is characterized in that: described cutting fixing device (3) includes cutting When compressed downwards the press section (31) of plastic soft bag by self gravitation effect and be arranged at that bracing frame (1) is upper drives press section (31) drive mechanism upwards (32).

3. plastic soft bag cutting machine according to claim 2, is characterized in that: described drive mechanism (32) includes rotating and connects Eccentric wheel (321) on bracing frame (1) is parallel to defeated with power part (322), the length direction of eccentric wheel (321) V belt translation Bracing frame (1) is upper and the other end is connected with the cross bar (323) of press section (31), head end is connected to send direction one end to be simultaneously articulated with Cross bar (323) is upper and end can drive arm (324) with the outer of eccentric wheel (321) offset first.

4. plastic soft bag cutting machine according to claim 3, is characterized in that: the end of described first driving arm (324) exists Eccentric wheel (321) plane both sides are equipped with can be with the limited block of eccentric wheel (321) both sides laminating.

5. plastic soft bag cutting machine according to claim 3, is characterized in that: the end of described first driving arm (324) turns Be dynamically connected the roller (3242) that can offset with the outer of eccentric wheel (321).

6. plastic soft bag cutting machine according to claim 3, is characterized in that: described first driving arm (324) is provided with use The adjusting part (33) of vertical direction distance between regulation cross bar (323) and eccentric wheel (321), described adjusting part (33) wraps Including the screw mandrel (331) being rotationally connected with on the first driving arm (324), described screw mandrel (331) is threadedly connected on cross bar (323), Described first driving arm (324) is connected by screw mandrel (331) with cross bar (323).

7. plastic soft bag cutting machine according to claim 6, is characterized in that: described screw mandrel (331) away from cross bar (323) The one end connecting is provided with the handwheel (3311) of rotary screw rod (331).

8. plastic soft bag cutting machine according to claim 2, is characterized in that: described drive mechanism (32) includes rotating and connects The power part (322) of the second driving arm (325) on bracing frame (1) and the second driving arm (325) V belt translation, length direction While being parallel to conveying direction, one end is articulated with on bracing frame (1) and the other end is connected with the cross bar (323) of press section (31), sets Be placed on bracing frame (1) and be positioned at the fixed pulley (327) of cross bar (323) top, one end is fixedly connected on the second driving arm (325) The stay cord (326) that upper and pile warp fixed pulley (327) other end afterwards is connected on cross bar (323).

9. the plastic soft bag cutting machine according to claim 3 or 8, is characterized in that: described press section (31) include the company of rotation The first running roller (311) being connected on cross bar (323).

10. plastic soft bag cutting machine according to claim 9, is characterized in that: support frame as described above (1) is provided with and power part (322) second running roller (312) of V belt translation, described second running roller (312) outer is socketed with pressing belt (313), described transmission band The other end is socketed on the first running roller (311).