CN217554265U - Film feeding device of plastic pin machine and plastic pin machine - Google Patents

Abstract

The application discloses film material feeding unit and plastic pin machine of plastic pin machine, film material feeding unit includes: main part structure, pay-off actuating mechanism, cutting mechanism. The main body structure is provided with a material passing groove, a pin groove and a cutting groove, the material passing groove and the pin groove are respectively arranged on two sides of the cutting groove, and the material passing groove is communicated with the pin groove through the cutting groove. And the feeding driving mechanism is arranged on the main body structure and is used for driving the bottom film strip to move towards the needle inserting groove along the material passing groove. The cutting mechanism is provided with a blade positioned in the cutting groove, and can drive the blade to move along the cutting groove to cut the bottom film strip. The film feeding device can automatically deliver the film, so that the rubber needle clamp can be supported on the film at one side of the back of the product, the rubber needle clamping stability is improved, the rubber needle is not easy to disengage, and the fixing effect on the product is good.

Description

Film feeding device of plastic pin machine and plastic pin machine

Technical Field

The utility model relates to a rubber needle machine technical field, concretely relates to film material feeding unit and rubber needle machine of rubber needle machine.

Background

The plastic pin machine is a machine for nailing plastic pins on products to be sold, and the plastic pins are nailed into the products or paper cards through pneumatic pressure or voltage transmission, so that the multi-layer products are fixedly connected in series. At present, a part of rubber needle machines directly nail rubber needles on products, the two ends of the rubber needles are not provided with limiting negative films, and the end parts of the rubber needles are easy to fall off. The operator also needs to lift the front upper bottom film at a fixed position on the product in advance, but the manual operation mode increases the labor amount and is not beneficial to improving the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a film material feeding unit and rubber pin machine of rubber pin machine.

The application provides the following technical scheme:

a first object of this application is to provide film material feeding unit of plastic pin machine, includes:

the main body structure is provided with a material passing groove, a pin inserting groove and a cutting groove, the material passing groove and the pin inserting groove are respectively arranged on two sides of the cutting groove, and the material passing groove is communicated with the pin inserting groove through the cutting groove;

the feeding driving mechanism is arranged on the main body structure and used for driving the bottom film strip to move towards the pin inserting groove along the material passing groove;

the cutting mechanism is provided with a blade positioned in the cutting groove, and the cutting mechanism can drive the blade to move along the cutting groove to cut the negative strips.

Optionally, the main body structure is provided with a first chute and a communicating strip chute, and the communicating strip chute is communicated with the first chute and the material passing chute;

the feeding driving mechanism comprises a first sliding block and at least two material stirring blocks arranged on the first sliding block, and feeding tool bits are arranged on the two material stirring blocks;

the first sliding block is connected to the first sliding groove in a sliding mode, and a feeding cutter head of each material stirring block penetrates through the communicating strip groove and extends to the material passing groove;

the feeding driving mechanism can drive the first sliding block to slide along the first sliding groove to drive the material shifting block to move, so that the feeding tool bit drives the bottom film strip to move to one side of the pin inserting groove.

Optionally, the material pushing block is rotatably connected to the first sliding block, and a return spring is arranged between the material pushing block and the first sliding block;

in the process that the material poking block moves towards one end close to the pin slot, the feeding knife is inserted into an eyelet on the negative film belt;

the reset spring is compressed in the process that the material poking block moves towards one end departing from the needle inserting groove;

and in the process that the material poking block moves towards one end close to the pin groove, the return spring elastically returns, so that the feeding knife is inserted into the eyelet on the negative film belt.

Optionally, the first slider is provided with an assembly groove, each material pulling block is located in the assembly groove, each material pulling block is rotatably connected with the first slider through a rotating shaft, and the return spring is arranged between one end of the material pulling block, which is away from the feeding knife, and the bottom wall of the assembly groove.

Optionally, one side of the feeding knife close to the pin groove is provided with a sharp corner, one side of the feeding knife back to the pin groove is provided with an arc-shaped end face, and the arc-shaped end face and the sharp corner are in smooth transition.

Optionally, the feeding driving mechanism further includes a first air cylinder, a fixed cylinder of the first air cylinder is fixed to the main body structure, and a telescopic cylinder of the first air cylinder is connected to the first sliding block.

Optionally, a second chute is arranged on the main body structure;

the cutting mechanism is provided with a second sliding block positioned in the second sliding groove, the second sliding block is in transmission connection with the blade, and the second sliding block slides along the second sliding groove to drive the blade to move along the cutting groove to cut the bottom film strips.

Optionally, the blade is hinged to the main body structure, and a driving strip groove is formed in the blade;

the second sliding block is provided with an extension rod, a shaft body is arranged on the extension rod, and the shaft body penetrates through the driving strip groove;

the second sliding block slides along the second sliding groove to drive the blade to rotate so as to cut the negative film strips.

Optionally, the cutting mechanism includes a second air cylinder, a fixed cylinder of the second air cylinder is connected to the main body structure, and a telescopic cylinder of the second air cylinder is connected to the second slider.

This application second aim at provides a plastic pin machine, includes:

a work table;

the bracket is connected to the workbench and provided with a guide rail;

a carriage slidably connected to the guide rail;

the two machine heads are connected to the sliding frame and are respectively provided with a feeding needle;

two above-mentioned film feeding devices;

the sliding frame can move towards the workbench to drive the feeding needles of the two machine heads to be respectively inserted into the pin inserting grooves of the two film feeding devices.

Through adopting above-mentioned technical scheme for this application has following beneficial effect:

the film feeding device can automatically deliver the film, so that the rubber needle clamp can be supported on the film at one side of the back of the product, the rubber needle clamping stability is improved, the rubber needle is not easy to disengage, and the fixing effect on the product is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of a plastic pin machine provided in an embodiment of the present invention;

fig. 2 is another view of the plastic pin machine provided in the embodiment of the present invention;

fig. 3 is a schematic perspective view of a machine head of a plastic pin machine according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a partial structure diagram of the plastic pin machine provided by the embodiment of the present invention;

fig. 6 is another view of the head of the plastic pin machine provided in the embodiment of the present invention;

fig. 7 is a schematic view of a matching structure of a driving slider and a shift lever in a machine head of a plastic pin machine according to an embodiment of the present invention;

fig. 8 is a schematic view of a matching structure of a local part in a machine head of a plastic pin machine provided by an embodiment of the present invention;

fig. 9 is a schematic view of a hardware mold block in a machine head of a plastic pin machine according to an embodiment of the present invention in a separated state;

fig. 10 is a schematic view of a matching structure of a sliding plate and a blanking claw in a machine head of a plastic pin machine provided by an embodiment of the present invention;

fig. 11 is a schematic structural view of a film feeding device of a plastic pin machine according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a bottom sheet feeding device of a needle sewing machine provided in the embodiment of the present invention after removing part of the structure;

fig. 13 is an exploded view of a film feeding device of a plastic pin machine according to an embodiment of the present invention;

fig. 14 is an exploded view of a partial structure in a film feeding device of a needle sewing machine according to an embodiment of the present invention.

In the figure: a. a machine head 1 and a machine head main body; 11. the first rubber needle belt passes through the groove; 12. a chute; 121. a guide strip; 13. an outer needle tube; 2. a tool apron; 21. a first flat surface; 3. a hardware mold block; 31. the second rubber needle belt passes through the groove; 32. a second flat surface; 33. a sliding fit groove; 34. an avoidance groove; 4. a cutting drive mechanism; 41. driving the slide block; 411. a drive chute; 411a, guide side walls; 412. an inner needle body; 42. a telescopic member; 43. a deflector rod; 431. a roller; 5. a blanking mechanism; 51. a slide plate; 52. a discharging claw; b. a film feeding device; 6. a body structure; 61. a material passing groove; 62. a pin slot; 63. cutting the groove; 64. a first chute; 65. the strip grooves are communicated; 66. a second chute; 7. a feeding drive mechanism; 71. a first slider; 711. assembling the groove; 72. a material stirring block; 721. a feeding cutter head; 73. a first cylinder; 8. a cutting mechanism; 81. a blade; 811. a drive bar slot; 82. a second slider; 821. an extension rod; 83. a second cylinder; c. a work table; d. a support; d1, a guide rail; e. a carriage; e1, a handle; f. a glue needle belt; g. a backsheet strip.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 10, an embodiment of the present application provides a head a of a plastic pin machine, including: the machine head comprises a machine head main body 1, a tool apron 2, a hardware mould block 3 and a cutting driving mechanism 4. The handpiece main body 1 is provided with a sliding groove 12 and a first rubber needle belt passing groove 11, and the first rubber needle belt passes through the groove 11 to be communicated with the sliding groove 12. The tool apron 2 is fixed on the machine head main body 1, and the blade part of the tool apron 2 is positioned between the sliding groove 12 and the first rubber needle belt passing groove 11. Hardware mould piece 3 slidable set up in the spout 12, hardware mould piece 3 has the second plastic pin area and passes through groove 31, hardware mould piece 3 has and makes the second plastic pin area pass through groove 31 and the first plastic pin area connect the material position that is linked together through groove 11 (see the position shown in fig. 4). Cutting actuating mechanism 4 set up in on the aircraft nose main part 1, just cutting actuating mechanism 4 with the transmission of hardware mould piece 3 is connected, with the drive hardware mould piece 3 slides extremely connect the material position or slide from connect the material position hardware mould piece 3 slides from when connecing the material position, hardware mould piece 3 with the rubber tyer area f is cut in the cooperation of blade holder 2.

The rubber needle area f extends along first rubber needle area lead-through groove 11, makes partial structure stretch into second rubber needle area lead-through groove 31 to the feeding of hardware mould piece 3 at rubber needle area f, and cutting actuating mechanism 4 drive hardware mould piece 3 slides this moment, and hardware mould and the cooperation of blade holder 2 are cut off rubber needle area f. The driving part of the machine head a of the rubber needle machine adopts the hardware mould block 3 to cut the rubber needle belt f, and the rubber needle machine is high in structural strength, wear-resistant and good in durability.

In a possible embodiment, the chute has a top wall and a bottom wall, the top wall has a notch portion, the tool holder 2 has a first straight surface 21 located at the notch portion, the first straight surface 21 and the top wall are located in the same plane, and one side edge of the first straight surface 21 is provided with the blade portion. Hardware mould piece 3 is located the roof with between the diapire, hardware mould piece 3 has second flat surface 32, second flat surface 32 with first flat surface 21 parallels, second flat surface 32 with first flat surface 21 laminating or second flat surface 32 with first flat surface 21 has less clearance.

Referring to fig. 9, a guide strip 121 is arranged on the bottom wall, a sliding fit groove 33 is arranged on the hardware mould block 3, and the sliding fit groove 33 is sleeved on the guide strip 121 when the hardware mould block 3 is installed in the sliding groove.

The machine head main body 1 is provided with a blanking mechanism 5, the blanking mechanism 5 can drive the rubber needle belt f to move, and the rubber needle belt f is sent into the second rubber needle belt passing groove 31. The machine head a of the plastic pin machine further comprises an outer needle tube 13 and an inner needle body 412, the outer needle tube 13 is connected to the machine head main body 1, and the opening part of the outer needle tube 13 is communicated with the sliding chute. The outer needle tube 13 is provided with a third rubber needle belt passing groove. The third plastic pin area extends along the whole length of outer needle pipe 13 through the groove, cutting actuating mechanism 4 can drive hardware mould piece 3 moves to connecing material position or unloading position. Under the material receiving position, the second rubber needle belt is communicated with the first rubber needle belt through groove 31 and 11, and the blanking mechanism 5 can drive the rubber needle belt f to slide into the second rubber needle belt through groove 31; under the blanking position, the second rubber needle belt is communicated with the third rubber needle belt through the groove 31, and the inner needle body 412 can slide downwards to push the rubber needle cut from the second rubber needle belt through the groove 31 into the third rubber needle belt through the groove.

Optionally, as shown in fig. 8, the hardware mould block 3 is provided with a communicating avoiding groove 34 through which the second rubber needle belt passes through the groove 31, and the avoiding groove 34 extends along the sliding direction of the hardware mould block 3. When needle body 412 is down including so, can pass through groove 31 with the second rubber needle area and push into the third rubber needle area and pass through the groove, hardware mould piece 3 can move to connecing the material position under the effect of cutting actuating mechanism 4 afterwards, because of avoiding the design of groove 34, the risk of needle body 412 and hardware mould piece firing pin in can not appearing.

Referring to fig. 5, 6, 7 and 8, the cutting driving mechanism 4 includes a driving slider 41 and a telescopic member 42 disposed on the machine head main body 1, the blanking mechanism 5 includes a sliding plate 51 and a blanking claw 52, the blanking claw 52 extends to the first rubber needle belt passing groove 11, the sliding plate 51 is slidably connected to the machine head main body 1, the sliding plate 51 and the machine head main body 1 are connected with a first return spring, the sliding plate 51 is in transmission connection with the blanking claw 52, and the telescopic member 42 is in transmission connection with the driving slider 41, and can drive the driving slider 41 to slidably push the sliding plate 51 so that the blanking claw 52 performs a blanking action, i.e., the blanking claw 52 is shifted downward, and when the driving slider 41 is lifted, the blanking claw 52 is separated from the rubber needle belt f under the action of the first return spring. The telescopic member 42 may be a cylinder. In the process that the telescopic component 42 drives the driving slider 41 to move downwards, the driving slider 41 can push the sliding plate 51, so that the sliding plate 51 drives the discharging claw 52 to slide downwards to push the rubber needle belt f downwards, and finally, the rubber needle belt f is pressed downwards to the second rubber needle belt passing groove, so that the rubber needle belt f smoothly enters the second rubber needle belt passing groove 31. Wherein, unloading claw 52 can be connected with the axis body, sets up the chute on the slide 51, and the axis body runs through the chute, and through the up-and-down motion of control slide 51, accessible chute drive axis body drives unloading claw 52 and is close to or keeps away from rubber needle area f, realizes contacting with the rubber needle area or separates. Referring to fig. 10, the nose body 1 may have a strip groove extending in a longitudinal direction, the strip groove intersects with a chute, the shaft body may simultaneously penetrate through the strip groove and the chute, when the slide plate 51 moves downward, the chute pushes the shaft body to move toward the first plastic pin belt through the groove 11 and move downward, and at this time, the feeding claw 52 connected to the shaft body contacts the plastic pin belt and carries the plastic pin belt to move downward to realize feeding. In the upward process of the driving slider 41, the sliding plate 51 moves upward under the action of the first return spring, the chute pushes the shaft body to move and move upward towards the side far away from the rubber needle belt passing through the groove 11, and at the moment, the blanking claw 52 connected with the shaft body is separated from the rubber needle belt.

In a possible embodiment, the cutting driving mechanism 4 comprises a shift lever 43 hinged to the machine head main body 1 at the middle, a first end of the shift lever 43 is provided with a roller 431, a second end of the shift lever 43 is in transmission connection with the hardware mold block 3, and a second return spring (not shown) is arranged between the second end of the shift lever 43 and the machine head main body 1. Referring to fig. 7 and 6, the driving slider 41 is provided with a driving slide slot 411. Drive slider 41 slides to under the state that gyro wheel 431 holds in drive spout 411, second reset spring is in the elastic deformation state, the drive of second end hardware mould piece 3 slides to the unloading position. The inner needle body 412 is connected to the driving slider 41, and when the driving slider 41 moves downwards, the inner needle body 412 is driven to be inserted into the cut rubber needles on the second rubber needle belt passing groove 31 on the hardware mold block 3, and the third rubber needle belt f is rapidly pushed in. Drive slider 41 slides extremely gyro wheel 431 breaks away from under the state in the drive spout 411, second reset spring elasticity resets, pushes up the second end drives hardware mould piece 3 slides extremely connect the material position. In this process, due to the design of the through escape groove 34, the inner needle body 412 does not have a striker in this process.

Referring to fig. 7, in one possible embodiment, the driving slide slot 411 of the driving slider 41 has a first slot section and a second slot section, the first slot section and the second slot section are communicated, and the second slot section (the slot section with the top expanded) has an inclined guiding sidewall 411a. When the driving slider 41 slides to the end facing away from the hardware mould block 3, the roller 431 slides along the guide side wall 411a to the first groove section.

Example two

Referring to fig. 11 to 14, a second embodiment of the present application provides a bottom plate feeding device b for a plastic pin machine, including: a main body structure 6, a feeding driving mechanism 7 and a cutting mechanism 8. The main structure 6 is provided with a material passing groove 61, a pin inserting groove 62 and a cutting groove 63, the material passing groove 61 and the pin inserting groove 62 are respectively arranged on two sides of the cutting groove 63, and the material passing groove 61 is communicated with the pin inserting groove 62 through the cutting groove 63. The feeding driving mechanism 7 is disposed on the main body structure 6, and the feeding driving mechanism 7 is configured to drive the film g to move along the material passing groove 61 toward the pin groove 62. The cutting mechanism 8 is provided with a blade 81 positioned in the cutting groove 63, and the cutting mechanism 8 can drive the blade 81 to move along the cutting groove 63 to cut the negative strips g.

The main body structure 6 is provided with a first sliding chute 64 and a communicating strip groove 65, and the communicating strip groove 65 is communicated with the first sliding chute 64 and the material passing groove 61. The feeding driving mechanism 7 includes a first slider 71 and at least two material distributing blocks 72 disposed on the first slider 71, and feeding tool bits 721 are disposed on both of the two material distributing blocks 72. The first sliding block 71 is slidably connected to the first sliding chute 64, and the feeding bit 721 of each of the deflector blocks 72 extends to the material passing groove 61 through the connecting bar groove 65. The feeding driving mechanism 7 can drive the first sliding block 71 to slide along the first sliding groove 64, so as to drive the material stirring block 72 to move, and the feeding tool bit 721 drives the film strip to move towards one side of the pin slot 62.

The material-pulling block 72 is rotatably connected to the first slider 71, and a return spring (not shown) is disposed between the material-pulling block 72 and the first slider 71. In the process that the material poking block 72 moves towards one end close to the pin slot 62, the feeding cutter head is inserted into the hole on the negative strip g. The backsheet strips g may be plastic sheets with perforations formed therein.

The return spring is compressed during the movement of the kicker block 72 away from the end of the needle slot 62. In the process that the material poking block 72 moves towards one end close to the pin slot 62, the return spring is elastically reset, so that the feeding knife is inserted into the eyelet on the negative film strip.

The first sliding block 71 is provided with an assembly groove 711, each material stirring block 72 is positioned in the assembly groove 711, each material stirring block 72 is rotatably connected with the first sliding block 71 through a rotating shaft, and the return spring is arranged between one end, away from the feeding knife, of the material stirring block 72 and the bottom wall of the assembly groove 711.

One side of the feeding knife close to the pin groove 62 is provided with a sharp corner, one side of the feeding knife back to the pin groove 62 is provided with an arc-shaped end face, and the arc-shaped end face and the sharp corner are in smooth transition. Due to the arrangement of the arc-shaped end face, in the process that the material shifting block 72 moves back to one side away from the pin slot 62, the material shifting block 72 can naturally rotate, and the feeding cutter head is separated from the eyelet.

The feeding driving mechanism 7 further includes a first cylinder 73, a fixed cylinder of the first cylinder 73 is fixed to the main body structure 6, and a telescopic cylinder of the first cylinder 73 is connected to the first slider 71. The main structure 6 is provided with a second sliding groove 66. The cutting mechanism 8 has a second sliding block 82 located in the second sliding slot 66, the second sliding block 82 is in transmission connection with the blade 81, and the second sliding block 82 slides along the second sliding slot 66 to drive the blade 81 to move along the cutting slot 63 to cut the strips of the negative film.

Optionally, the blade 81 is hinged to the main body structure 6, and a driving strip groove 811 is disposed on the blade 81. The second slider 82 has an extension rod 821, and a shaft body is disposed on the extension rod 821 and penetrates through the driving strip groove 811. The second sliding block 82 slides along the second sliding slot 66 to drive the blade 81 to rotate, so as to cut the strips of the negative film.

Optionally, the cutting mechanism 8 includes a second air cylinder 83, a fixed cylinder of the second air cylinder 83 is connected to the main body structure 6, and a telescopic cylinder of the second air cylinder 83 is connected to the second sliding block 82.

It should be noted that, in the present embodiment, the main structure 6 may be formed by assembling and fixedly connecting a plurality of components.

EXAMPLE III

Referring to fig. 1 to 14, a third embodiment provides a needle sewing machine, which includes a head a of the needle sewing machine in the first embodiment and a bottom plate feeding device b of the needle sewing machine in the second embodiment.

The rubber needle machine still includes: a workbench c, a bracket d, a sliding frame e, two film feeding devices b and two machine heads a. The bracket d is connected to the working table c and has a guide rail d1. The carriage e is slidably connected to the guide rail d1. The machine heads a of the two plastic pin machines are connected to the sliding frame e. The two heads a are respectively provided with a feeding needle, and the feeding needle comprises an outer needle tube 13 and an inner needle body 412 in the first embodiment. And the two film feeding devices b are arranged on the workbench c and are opposite to the two machine heads a respectively. The plastic pin strip f is provided with two edge strips and a transverse strip for connecting the two edge strips, and the two edge strips are respectively accommodated in the first plastic pin strip passing grooves 11 of the machine head a of the plastic pin machine. Be connected with handle e1 on the carriage e, make things convenient for operating personnel to hold, remove two aircraft noses a to workstation c, correspond two on the workstation c aircraft noses a sets up and dodges the groove, place on workstation c by fixed product, on film material feeding unit b sent into the film on the contact pin groove 62 in advance, operating personnel holds handle e1 and is close to two aircraft noses a to workstation c for outer needle tubing 13 on two aircraft noses a inserts respectively in two dodge grooves 34, interior needle body 412 is down this moment, insert in contact pin groove 62 along outer needle tubing 13 with the both ends of the gluey needle of being cut, make the both ends of gluing the needle spacing respectively in the one side that the film deviates from the product.

The preferred embodiments of the present application disclosed above are intended only to aid in the explanation of the application. The preferred embodiments are not exhaustive and do not limit the application to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a film material feeding unit of plastic pin machine which characterized in that includes:

the needle inserting device comprises a main body structure, a needle inserting mechanism and a needle inserting mechanism, wherein the main body structure is provided with a material passing groove, a needle inserting groove and a cutting groove, the material passing groove and the needle inserting groove are respectively arranged on two sides of the cutting groove, and the material passing groove is communicated with the needle inserting groove through the cutting groove;

the feeding driving mechanism is arranged on the main body structure and used for driving the bottom film strip to move towards the pin inserting groove along the material passing groove;

the cutting mechanism is provided with a blade positioned in the cutting groove, and can drive the blade to move along the cutting groove to cut the bottom film strip.

2. The film feeding device of the plastic pin machine as claimed in claim 1, wherein the main structure is provided with a first chute and a communicating strip groove, and the communicating strip groove is communicated with the first chute and the passing groove;

the feeding driving mechanism comprises a first sliding block and at least two material stirring blocks arranged on the first sliding block, and feeding tool bits are arranged on the two material stirring blocks;

the first sliding block is connected to the first sliding groove in a sliding mode, and a feeding cutter head of each material stirring block penetrates through the communicating strip groove and extends to the material passing groove;

the feeding driving mechanism can drive the first sliding block to slide along the first sliding groove to drive the material shifting block to move, so that the feeding tool bit drives the bottom film strip to move to one side of the pin inserting groove.

3. The film feeding device of a plastic pin machine as claimed in claim 2, wherein the kickoff block is rotatably connected to the first slider, and a return spring is disposed between the kickoff block and the first slider;

in the process that the material poking block moves towards one end close to the pin groove, the feeding knife is inserted into an eyelet on the bottom film belt;

in the process that the material shifting block moves to one end departing from the needle inserting groove, the return spring is compressed;

and in the process that the material poking block moves towards one end close to the pin groove, the return spring elastically returns, so that the feeding knife is inserted into the eyelet on the negative film belt.

4. The film feeding device of a plastic pin machine as claimed in claim 3, wherein the first slider is provided with an assembly groove, each of the material poking blocks is positioned in the assembly groove, each of the material poking blocks is rotatably connected with the first slider through a rotating shaft, and the return spring is arranged between one end of the material poking block, which is far away from the feeding knife, and the bottom wall of the assembly groove.

5. The film feeding device of a plastic pin machine as claimed in claim 3, wherein a sharp corner part is arranged on one side of the feeding knife close to the pin slot, an arc-shaped end surface is arranged on one side of the feeding knife away from the pin slot, and the arc-shaped end surface and the sharp corner part are in smooth transition.

6. The film feeding device of the plastic pin machine as claimed in claim 3, wherein the feeding driving mechanism further comprises a first cylinder, a fixed cylinder of the first cylinder is fixed to the main body structure, and a telescopic cylinder of the first cylinder is connected to the first slider.

7. The bottom plate feeding device of the plastic pin machine as claimed in claim 1, wherein a second chute is arranged on the main body structure;

the cutting mechanism is provided with a second sliding block positioned in the second sliding groove, the second sliding block is in transmission connection with the blade, and the second sliding block slides along the second sliding groove to drive the blade to move along the cutting groove to cut the bottom film strips.

8. The film feeding device of the plastic pin machine as claimed in claim 7, wherein the blade is hinged to the main structure and is provided with a driving strip groove;

the second sliding block is provided with an extension rod, a shaft body is arranged on the extension rod, and the shaft body penetrates through the driving strip groove;

the second sliding block slides along the second sliding groove to drive the blade to rotate so as to cut the negative film strips.

9. The film feeding device of the plastic pin machine as claimed in claim 8, wherein the cutting mechanism comprises a second cylinder, a fixed cylinder of the second cylinder is connected to the main body structure, and a telescopic cylinder of the second cylinder is connected to the second slider.

10. A plastic pin machine, characterized by, includes:

a work table;

the bracket is connected to the workbench and provided with a guide rail;

a carriage slidably connected to the guide rail;

the two machine heads are connected to the sliding frame and are respectively provided with a feeding needle;

two of the backsheet feeding apparatus of any one of claims 1-9;

the sliding frame can move towards the workbench to drive the feeding needles of the two machine heads to be respectively inserted into the pin inserting grooves of the two film feeding devices.

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