CN215235949U - Blanking device - Google Patents

Abstract

The utility model relates to a blanking device, which comprises a material receiving component and a bearing component for bearing workpieces collected by the material receiving component; the material receiving assembly comprises a first bearing plate and a second bearing plate which bear the workpiece and can be opened and closed, and an opening and closing mechanism which is connected with the first bearing plate and the second bearing plate to drive the first bearing plate and the second bearing plate to open and close to bear the workpiece or enable the workpiece to fall onto the bearing assembly; the bearing component and the first receiving plate and the second receiving plate are oppositely arranged in an opening formed by opening and closing and can be arranged in a lifting mode to receive the workpiece falling from the first receiving plate and the second receiving plate. This unloader accessible should receive this opening and shutting structure of material subassembly and drive this first board and the second of accepting and accept the board and open and shut and bear the weight of the work piece or make the work piece drop to the bearing subassembly on to can realize automatic unloading, improve unloading efficiency.

Description

Blanking device

Technical Field

The utility model relates to an automatic field, more specifically say, relate to an unloader.

Background

Detection equipment in the related art usually adopts manual blanking, so that blanking efficiency is low, and labor cost is increased easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a modified unloader is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a blanking device, which comprises a material receiving component and a bearing component for bearing the workpieces received by the material receiving component;

the material receiving assembly comprises a first bearing plate and a second bearing plate which bear the workpiece and can be opened and closed, and an opening and closing mechanism which is connected with the first bearing plate and the second bearing plate to drive the first bearing plate and the second bearing plate to open and close to bear the workpiece or enable the workpiece to fall onto the bearing assembly;

the bearing component and the first receiving plate and the second receiving plate are oppositely arranged in an opening formed by opening and closing and can be arranged in a lifting mode to receive the workpiece falling from the first receiving plate and the second receiving plate.

Preferably, the receiving assembly comprises a base, a first movable side plate arranged on the base, and a second movable side plate arranged on the base and opposite to the first movable side plate;

two first mounting columns are arranged on the first movable side plate at intervals;

two ends of the first bearing plate can be respectively and rotatably arranged on the two first mounting columns;

two second mounting columns are arranged on the second movable side plate at intervals; the two second mounting columns are arranged corresponding to the two first mounting columns

Two ends of the second bearing plate can be respectively and rotatably arranged on the two second mounting columns;

the opening and closing mechanism is arranged on the base to drive the first bearing plate to rotate on the first mounting column and drive the second bearing plate to rotate on the second mounting column.

Preferably, the opening and closing mechanism comprises a telescopic cylinder and a movable connecting plate which is arranged on the telescopic cylinder and is connected with one end of the first bearing plate and one end of the second bearing plate;

a first mounting hole is formed in the movable connecting plate; one end of the first bearing plate is provided with a first connecting piece connected with the first mounting hole;

a second mounting hole is formed in the movable connecting plate, and the second mounting hole and the first mounting hole are arranged in parallel; and one end of the second bearing plate is provided with a second connecting piece connected with the second mounting hole.

Preferably, the first movable side plate and the second movable side plate are movably arranged relatively;

the material receiving assembly further comprises an adjusting mechanism which drives the first movable side plate and the second movable side plate to move relatively so as to adjust the relative distance between the first bearing plate and the second bearing plate.

Preferably, the adjusting mechanism comprises a driving unit and a first transmission unit connected with the driving unit;

the first transmission unit is connected with the first movable side plate and the second movable side plate;

the first transmission unit comprises a transmission screw rod, a first sliding sleeve and a second sliding sleeve;

the first movable side plate and the second movable side plate are sleeved on the transmission screw rod;

the first sliding sleeve is arranged on the first movable side plate and sleeved on the transmission screw rod and driven by the transmission screw rod to slide in a reciprocating manner in the length direction of the transmission screw rod;

the second sliding sleeve is installed on the second movable side plate and sleeved on the transmission screw rod, and the transmission screw rod drives the transmission screw rod to move relative to the first sliding sleeve in the length direction.

Preferably, the first transmission units are two groups, and the two groups of first transmission units are respectively arranged at two ends of the first movable side plate and the second movable side plate;

a second transmission unit which is respectively connected with the two groups of first transmission units to drive the two groups of first transmission units to simultaneously transmit is arranged between the two groups of first transmission units;

the second transmission unit comprises two transmission wheels and a transmission belt, wherein the two transmission wheels are respectively sleeved at one end of the transmission screw rods of the two groups of first transmission units, and the transmission belt is sleeved on the two transmission wheels.

Preferably, the receiving assembly further comprises a guide assembly disposed along the workpiece drop direction to guide the workpiece drop.

Preferably, the supporting assembly comprises a sliding plate, a supporting plate arranged on the sliding plate and extending towards the material receiving assembly, a transmission mechanism connected with the sliding plate, and a driving mechanism connected with the transmission mechanism to drive the transmission mechanism to transmit and further drive the supporting plate to lift;

the driving mechanism comprises a driving motor;

the transmission mechanism further comprises a third transmission screw rod connected with the output end of the driving motor and a sliding piece which is arranged on the sliding plate and sleeved on the third transmission screw rod and driven by the transmission screw rod to slide.

Preferably, the workpiece supporting device further comprises a conveying table for conveying the workpiece on the supporting component out.

Preferably, the receiving device further comprises an induction component which is arranged on the receiving component and connected with the supporting component and the opening and closing mechanism so as to induce the workpiece.

Implement the utility model discloses an unloader has following beneficial effect: this unloader accessible should receive this opening and shutting structure of material subassembly and drive this first board and the second of accepting and accept the board and open and shut and bear the weight of the work piece or make the work piece drop to the bearing subassembly on to can realize automatic unloading, improve unloading efficiency.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural view of a blanking device applied to a vision inspection apparatus according to some embodiments of the present invention;

FIG. 2 is a schematic structural diagram of a material receiving station of a blanking device of the visual inspection apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the receiving assembly of FIG. 2;

FIG. 4 is a schematic view of the support assembly of FIG. 2 at the receiving station;

fig. 5 is a schematic structural view of a conveying table on the receiving station shown in fig. 2.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 show some preferred embodiments of the blanking device of the present invention. In some embodiments, the blanking device 70 can be applied to a visual inspection device, and can be used for realizing automatic blanking and improving blanking efficiency.

Further, as shown in fig. 1, the visual inspection apparatus may include a frame 10, a feeding device 20, an inspection platform 30, an inspection device 40, an adjusting device 50, a light supplementing device 60, and a discharging device 70. The frame 10 can be used for installing the feeding device 20, the detecting platform 30, the detecting device 40, the adjusting device 50, the light supplementing device 60 and the discharging device 70. The loading device 20 can be mounted on the frame 10 and can be used to transfer a workpiece to be tested to the testing platform 30. The inspection platform 30 can receive the workpiece to be inspected, which is transferred from the feeding device 20, so that the inspection device 40 can visually inspect the workpiece to be inspected. The inspection device 40 can inspect the workpiece on the inspection platform 30. The adjusting device 50 can be mounted on the frame 10, and can be used for the detection device 40 to mount and adjust the relative position between the detection device 40 and the workpiece, so as to improve the detection accuracy of the detection device 40. The light supplement device 60 can be installed on the frame 10 and can supplement light to the detection device 40. The blanking device 70 may be mounted on the frame 10 to blank the workpiece when the inspection by the inspection device 40 is completed.

Further, in some embodiments, the blanking device 70 may include a receiving station 71, a blanking station 72, and a material pick-up robot 73. The receiving station 71 may be mounted on the frame 10 for receiving qualified workpieces. Of course, it is understood that in other embodiments, the receiving station 71 may not be limited to receiving acceptable workpieces. In some embodiments, the blanking station 72 may be mounted on the frame 10, spaced apart from and side-by-side with the receiving station 71, and may be used to collect rejected workpieces. It will be appreciated that in some embodiments, the blanking station 72 may be omitted. In some embodiments, the pick robot 73 may be mounted to the frame 10 and may be used to place qualified workpieces on the retaining platform 30 at the receiving station 71 and unqualified workpieces at the blanking station 72. It will be appreciated that in some embodiments, the material pick robot 73 may be omitted.

As shown in fig. 2, in some embodiments, the receiving station 71 may include a receiving member 711 and a holding member 712. The receiving member 711 can be used to receive a workpiece, and the supporting member 712 can be used to support the workpiece received by the receiving member 711 for temporary storage of a predetermined number of workpieces. The support member 712 may be positioned below the receiving member 711.

As shown in fig. 3, in some embodiments, the material receiving assembly 711 can include a base 7110, a first receiving plate 7111, a second receiving plate 7112, and an opening and closing mechanism. The base 7110 can be used for mounting the first receiving plate 7111, the second receiving plate 7112 and the opening and closing mechanism. The first receiving plate 7111 and the second sinking plate 7112 are openable and closable, and can receive a workpiece through opening and closing. The opening and closing mechanism can be connected with the first bearing plate 7111 and the second bearing plate 7112, and can be used for driving the first bearing plate 7111 and the second bearing plate 7112 to open and close, so as to bear a workpiece or enable the workpiece to fall onto the bearing component 712.

Further, in some embodiments, the first receiving plate 7111 may be in the shape of a bar and may be rotatably disposed on the base 7110. The second supporting plate 7112 may be a strip and is rotatably disposed on the base 7110. The first receiving plate 71111 may be spaced apart from and disposed side by side with the second receiving plate 7112.

Further, in some embodiments, the receiving assembly 711 may further include a first movable side plate 7115 and a second movable side plate 7116; the first active side plate 7115 and the second active side plate 7116 may be mounted to the base 7110. In some embodiments, the first movable side plate 7115 may be movably connected to the first receiving plate 7111. Specifically, in some embodiments, two first mounting posts may be disposed on the first active side plate 7115; the two first mounting posts may be spaced apart along the length of the first movable side plate 7115. The two ends of the first receiving plate 7111 can be rotatably mounted on the two first mounting posts respectively. In some embodiments, two ends of the first receiving plate 7111 can be provided with a rotating shaft, and the first mounting post can be provided with a shaft hole, and the rotating shaft can be rotatably disposed through the shaft hole of the first mounting post. The second movable side plate 7116 can be movably connected to the second receiving plate 7112. Specifically, in some embodiments, two second mounting posts may be spaced apart from each other on the second movable side plate 7116; the two second mounting posts may be spaced apart along the second active side plate 7116. The two ends of the second receiving plate 7112 can be rotatably mounted on the second mounting post respectively. In some embodiments, two ends of the second receiving plate 7112 can be respectively provided with a rotating shaft, and the first mounting post can be provided with a shaft hole, and the rotating shaft can be inserted into the shaft hole and can be rotatably disposed with the shaft hole.

Further, in some embodiments, the opening and closing mechanism may be disposed on the base 7110 and may be connected to the first receiving plate 7111 and the second receiving plate 7112, so as to drive the first receiving plate 7111 to rotate on the first mounting post and the second receiving plate 7112 to rotate on the second mounting post.

Further, in some embodiments, the opening and closing mechanism may include a telescoping cylinder 7113 and a living web 7114; the telescopic cylinder 7113 may be installed on the base 710. The movable connecting plate 7114 may be disposed on the telescopic cylinder 7113, and may be used to connect one end of the first receiving plate 7111 and one end of the second receiving plate 7112. In some embodiments, the swing link plate 7114 may be T-shaped, although it will be appreciated that in other embodiments, the swing link plate 7114 may not be limited to being T-shaped. The lower portion of the movable connecting plate 7114 can be connected to the telescopic cylinder 7113, and the upper portion of the movable connecting plate 7114 can be connected to the first receiving plate 7111 and the second receiving plate 7112.

Specifically, in some embodiments, a first mounting hole 7114a is formed on the movable connecting plate 7114; the first mounting hole 7114a may be a strip-shaped hole, and the length direction of the first mounting hole 7114a may be perpendicular to the telescopic direction of the telescopic cylinder 7113. A first connecting member 711a may be disposed at one end of the first receiving plate 7111, and the first connecting member 711a may be disposed on the first mounting hole 7114a and may be connected to the first mounting hole 7114 a. The movable connecting plate 7114 can be provided with a second mounting hole 7114 b; the second mounting hole 7114b may be disposed side by side with the first mounting hole 7114 a. In some embodiments, the second mounting hole 7114b may be a strip-shaped hole, and the length direction of the second mounting hole 7114b may be perpendicular to the telescopic direction of the telescopic cylinder 7113. A second connecting member 711b may be disposed at one end of the second receiving plate 7112; the second connecting member 711b can be disposed through the second mounting hole 7114b and connected to the second mounting hole 7114 b. When the telescopic cylinder 7113 is activated, the movable connecting plate 7114 is driven to reciprocate along a direction perpendicular to the base 7110, so as to drive the first receiving plate 7111 and the second receiving plate 7112 to rotate for a set angle, thereby realizing opening or closing.

Further, in some embodiments, the first active side plate 7115 and the second active side plate 7116 may be movably disposed relative to each other. In some embodiments, the material collection assembly 711 can also include an adjustment mechanism 7117; the adjusting mechanism 7117 can be used to drive the first movable side plate 7115 and the second movable side plate 7116 to move relatively, so as to adjust the relative distance between the first receiving plate 7111 and the second receiving plate 7112, and thus the first receiving plate 7111 and the second receiving plate 7112 can be adapted to workpieces with different sizes. Specifically, in some embodiments, the adjustment mechanism 7117 may include a drive unit 7117a and a first transmission unit 7117 b; the drive unit 7111a may be a handwheel. The first transmission unit 7117b can be connected to the first movable side plate 7115 and the second movable side plate 7116, and can drive the first movable side plate 7115 and the second movable side plate 7116 to move in an opening and closing manner under the driving of the driving unit 7111 a. In some embodiments, the first transmission unit 7117b can include a transmission screw, a first sliding sleeve, and a second sliding sleeve. The driving screw can be disposed on the base 7110, in some embodiments, two columns can be disposed on the base 7110 at intervals, the driving screw can be disposed on the two columns, and two ends of the driving screw can be rotatably connected to the two columns respectively. In some embodiments, the first movable side plate 7115 and the second movable side plate 7116 can be sleeved on the driving screw and can be seated on the driving screw for relative movement. In some embodiments, the first sliding sleeve can be mounted on the first movable side plate 7115, and can be sleeved on the driving screw rod, and can be driven by the driving screw rod to reciprocate along the length direction of the driving screw rod. In some embodiments, the second sliding sleeve can be mounted on the second movable side plate 7116, and can be sleeved on the transmission screw rod, and can be driven by the transmission screw rod to move relative to the first sliding sleeve along the length direction of the transmission screw rod. The first sliding sleeve and the second sliding sleeve can be reversely arranged. In some embodiments, the internal threads inside the first runner can be disposed opposite the internal threads inside the second runner. Of course, it is to be understood that in other embodiments, the internal threads of the first runner may not be limited to being disposed opposite the internal threads of the second runner.

Further, in some embodiments, the first transmission units 7117b may be two sets, the two sets of the first transmission units 711b may be respectively disposed at two ends of the first movable side plate 7115 and the second movable side plate 7116, and the two sets of the first transmission units 7117b may transmit power simultaneously.

Further, in some embodiments, the two sets of first transmission units 7117b may be disposed between and connected to the two sets of first transmission units 7117b, respectively, to drive the second transmission units 7118 of the two sets of first transmission units 7117b for simultaneous transmission. In some embodiments, the second drive unit 7118 may include two drive wheels 7118a and a drive belt 7118 b. The two driving wheels 7118a can be respectively sleeved at one end of the driving screws of the two sets of first driving units 711b and can be disposed at the same side. The driving belt 7118b can be sleeved on the two driving wheels 7118a, when the driving unit 7117a is rotated, the driving screw rod of the group of first driving units 7117b connected with the driving unit 7117a can be driven to rotate, and then the driving wheel 7118a connected with the driving screw rod is driven to rotate, so that the driving belt 7118b can be driven to rotate, and then the other group of first driving units 7117b can be driven to simultaneously drive.

Further, in some embodiments, the receiving assembly 711 can further include a guiding assembly 7119; the guide assembly 7119 may be used to guide the drop of a workpiece. Specifically, in some embodiments, the guide assembly 7119 may be positioned between the first receiving plate 7111 and the second receiving plate 7112 and may be positioned in the workpiece drop direction. In some embodiments, the guide assembly 7119 may comprise two sets of guide rods arranged side-by-side; each set of guide rods may be multiple, and the multiple guide rods may be spaced apart and arranged side by side along the length direction of the first receiving plate 7111 and the second receiving plate 7112. In some embodiments, the first receiving plate 7111 and the second receiving plate 7112 are provided with a recess hole corresponding to the guiding rod. When the first receiving plate 7111 and the second receiving plate 7112 are rotated to be opened, the workpiece can slide down along the guide rod.

As shown in fig. 4, in some embodiments, the supporting component 712 can be disposed opposite to the opening formed by the first supporting plate 7111 and the second supporting plate 7112, and can be lifted and lowered to support the workpiece dropped from the first supporting plate 7111 and the second supporting plate 7112. Further, in some embodiments, the support assembly 712 can include a slide plate 7121, a support plate 7122, a drive mechanism 7123, and a transmission mechanism 7124. Further, in some embodiments, the sliding plate 7124 may be disposed on the transmission mechanism 7124, and the transmission mechanism 7124 may drive the sliding plate to reciprocate toward the opening directions of the first receiving plate 7111 and the second receiving plate 7112. In some embodiments, there may be more than one support plate 7122; the supporting plates 7122 may be disposed on the sliding plate 7124 at intervals along the length direction of the sliding plate 7124, may be fixedly connected to the sliding plate 7124, and may be driven by the sliding plate 7124 to reciprocate toward the openings of the first supporting plate 7111 and the second supporting plate 7112. In some embodiments, the drive mechanism 7123 can include a drive motor, a set of drive wheels coupled to an output of the drive motor; the driving wheel set can comprise a first driving wheel connected with the driving motor, a second driving wheel connected with the transmission mechanism, and a driving belt sleeved on the first driving wheel and the second driving wheel. Of course, it will be appreciated that in other embodiments, the drive wheel set may be omitted. The transmission 714 may include a third drive screw and a slide. The third transmission screw rod can be connected with the output end of the driving motor. In some embodiments, the third drive screw may be coupled to the second drive wheel. The sliding member 7121 may be disposed on the sliding plate 7121, and may be sleeved on the third driving screw, and may be driven by the third driving screw to slide, so as to drive the sliding plate 7121 to slide.

Further, as shown in fig. 5, in some embodiments, the receiving station 71 may further include a transfer table 713; the conveyor 713 may be positioned between the material receiving member 711 and the support member 712, may extend out of the frame 10, and may be used to transport the work piece from the support member 712. In some embodiments, the transfer table 713 may include a box body 7131 having an opening at one side, the box body 7131 may have a hollow rectangular parallelepiped shape, and a transfer rail for transferring the workpiece may be formed in the box body 7131. The transfer table 713 is further provided with a plurality of transport assemblies 7132, the transport assemblies 7132 may be a plurality of, and the plurality of transport assemblies 7132 may be arranged side by side along the width direction of the box body 7131. The conveying assembly 7132 may include rollers disposed in the box body 7131 and located at two ends of the box body 7131, and a conveying belt sleeved on the rollers. The rollers at the same end of the multiple sets of transmission assemblies 7132 can be connected by a connecting shaft, and a driving member can be disposed at one end of the connecting shaft to drive the connecting shaft to rotate and drive the rollers to rotate.

As shown in fig. 2 and fig. 3, further, in some embodiments, the blanking apparatus may further include a sensing element 714, and the sensing element 714 may be disposed on the receiving element 711 and may be connected to the supporting element 712 and the opening and closing mechanism, specifically, in some embodiments, the sensing element 714 may be a proximity switch, but it should be understood that in other embodiments, the sensing element 714 may not be limited to a proximity switch, and may be some conventional sensors. The sensing element 714 can be vertically disposed on the base 7110 and disposed opposite to the first receiving plate 7111 and the second receiving plate 7112. When the sensing component 714 senses that a workpiece is placed on the first bearing plate 7111 and the second bearing plate 7112, the telescopic cylinder can drive the movable connecting plate 7114 to be telescopic, so as to drive the first bearing plate 7111 and the second bearing plate 7112 to rotate, thereby opening an opening between the first bearing plate 7111 and the second bearing plate 7112, so as to allow the workpiece to drop onto the bearing component 712, the driving mechanism 7123 of the bearing component 712 can be connected with the sensing component 714, when the workpiece drops, the driving mechanism 7123 can drive the bearing plate 7122 to drop by a set distance, and the set distance can be equivalent to the thickness of the workpiece. In some embodiments, the sensing assembly 714 can be a counter that counts the number of workpieces placed on the first receiving plate 7111 and the second receiving plate 7112, i.e., counts the number of workpieces placed on the receiving plate 7122, and the transfer station 713 can transfer the workpieces from the receiving plate 7122 when the number of workpieces placed on the receiving plate 7122 reaches a predetermined number.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The blanking device is characterized by comprising a material receiving component (711) and a supporting component (712) for supporting a workpiece received by the material receiving component (711);

the material receiving assembly (711) comprises a first bearing plate (7111) and a second bearing plate (7112) which bear the workpiece and can be opened and closed, and an opening and closing mechanism which is connected with the first bearing plate (7111) and the second bearing plate (7112) to drive the first bearing plate (7111) and the second bearing plate (7112) to open and close to bear the workpiece or enable the workpiece to fall onto the bearing assembly (712);

the bearing component (712) and an opening formed by opening and closing of the first bearing plate (7111) and the second bearing plate (7112) are oppositely arranged and can be arranged in a lifting mode to bear workpieces falling from the first bearing plate (7111) and the second bearing plate (7112).

2. The blanking device according to the claim 1, characterized in that the receiving assembly (711) comprises a base (7110), a first movable side plate (7115) mounted on the base (7110), and a second movable side plate (7116) mounted on the base (7110) and arranged opposite to the first movable side plate (7115);

two first mounting columns are arranged on the first movable side plate (7115) at intervals;

two ends of the first bearing plate (7111) can be respectively and rotatably arranged on the two first mounting columns;

two second mounting columns are arranged on the second movable side plate (7116) at intervals; the two second mounting columns are arranged corresponding to the two first mounting columns

Two ends of the second bearing plate (7112) can be respectively and rotatably arranged on the two second mounting columns;

the opening and closing mechanism is arranged on the base (7110) to drive the first bearing plate (7111) to rotate on the first mounting column and drive the second bearing plate (7112) to rotate on the second mounting column.

3. The blanking device according to the claim 2, characterized in that the opening and closing mechanism comprises a telescopic cylinder (7113) and a movable connecting plate (7114) which is arranged on the telescopic cylinder (7113) and is connected with one end of the first bearing plate (7111) and one end of the second bearing plate (7112);

a first mounting hole (7114a) is formed in the movable connecting plate (7114); one end of the first bearing plate (7111) is provided with a first connecting piece (711a) connected with the first mounting hole (7114 a);

a second mounting hole (7114b) is formed in the movable connecting plate (7114), and the second mounting hole (7114b) and the first mounting hole (7114a) are arranged in parallel; one end of the second bearing plate (7112) is provided with a second connecting piece (711b) connected with the second mounting hole (7114 b).

4. The blanking device according to claim 2, characterized in that the first movable side plate (7115) and the second movable side plate (7116) are arranged in a relatively movable manner;

the material receiving assembly (711) further comprises an adjusting mechanism (7117) which drives the first movable side plate (7115) and the second movable side plate (7116) to move relatively so as to adjust the relative distance between the first bearing plate (7111) and the second bearing plate (7112).

5. The blanking device according to claim 4, characterized in that the adjustment mechanism (7117) comprises a drive unit (7117a), and a first transmission unit (7117b) connected to the drive unit (7117 a);

the first transmission unit (7117b) is connected with the first movable side plate (7115) and the second movable side plate (7116);

the first transmission unit (7117b) comprises a transmission screw rod, a first sliding sleeve and a second sliding sleeve;

the first movable side plate (7115) and the second movable side plate (7116) are sleeved on the transmission screw rod;

the first sliding sleeve is arranged on the first movable side plate (7115) and sleeved on the transmission screw rod and driven by the transmission screw rod to slide in a reciprocating manner in the length direction of the transmission screw rod;

the second sliding sleeve is arranged on the second movable side plate (7116) and sleeved on the transmission screw rod, and the transmission screw rod drives the transmission screw rod to move relative to the first sliding sleeve in the length direction.

6. The blanking device according to the claim 5, characterized in that the first transmission units (7117b) are two groups, the two groups of the first transmission units (7117b) are respectively arranged at the two ends of the first movable side plate (7115) and the second movable side plate (7116);

a second transmission unit (7118) which is respectively connected with the two groups of first transmission units (7117b) to drive the two groups of first transmission units (7117b) to transmit simultaneously is arranged between the two groups of first transmission units (7117 b);

the second transmission unit (7118) comprises two transmission wheels (7118a) which are respectively sleeved at one end of the transmission screw rods of the two groups of first transmission units (7117b), and transmission belts (7118b) which are sleeved on the two transmission wheels (7118 a).

7. The blanking device according to claim 1, wherein the receiving assembly (711) further comprises a guide assembly (7119) arranged along the workpiece drop direction to guide the workpiece drop.

8. The blanking device according to claim 1, wherein the supporting component (712) comprises a sliding plate (7121), a supporting plate (7122) installed on the sliding plate (7121) and extending towards the receiving component (711), a transmission mechanism (7124) connected with the sliding plate (7121), and a driving mechanism (7123) connected with the transmission mechanism (7124) to drive the transmission mechanism (7124) to transmit and further drive the supporting plate (7122) to lift;

the drive mechanism (7123) comprises a drive motor;

the transmission mechanism (7124) further comprises a third transmission screw rod connected with the output end of the driving motor and a sliding piece which is arranged on the sliding plate (7121) and sleeved on the third transmission screw rod and driven by the transmission screw rod to slide.

9. The blanking device of claim 8 further comprising a transfer station (713) for transferring the work piece on the holding assembly (712).

10. The blanking device of claim 1, further comprising a sensing component (714) disposed on the receiving component (711) and connected to the supporting component (712) and the opening and closing mechanism for sensing with the workpiece.

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