Feeder

Abstract

The plate delivery machine provided by the present invention includes a machine body and a lifting device, a plate delivery space penetrating along a first horizontal direction is formed in the middle of the machine body, the lifting device is arranged on the machine body, and the lifting device includes a lifting platform; the plate delivery machine also includes a plate holding device and a pushing device; the plate holding device is arranged on the lifting platform, and the plate holding device is located in the plate delivery space; the plate holding device includes two plate support mechanisms, a plate placement position is formed between the two plate support mechanisms, the plate holding device includes a first translation mechanism, and the plate support mechanism can move along a second horizontal direction under the drive of the first translation mechanism; the pushing device is installed on the machine body; the pushing device includes a second translation mechanism and a pushing member, the pushing member extends from top to bottom to the plate delivery space, and the pushing member can move along the first horizontal direction and pass through the plate placement position under the drive of the second translation mechanism. The present invention is targeted at plate transportation, realizes simultaneous transportation of multiple plates, and adapts to the transportation of plates of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of material transportation equipment, and in particular to a plate feeding machine. Background Art

[0002] There is a standing material conveyor for lifting and transporting materials, which includes a body and a lifting device arranged on the body. A plate delivery space is formed in the middle of the body and passes through along a first horizontal direction. The lifting device has a lifting platform, and a conveyor belt assembly is arranged on the lifting platform.

[0003] The problem with the existing material conveyors of this type is that when it is necessary to transport plate materials such as PCB boards, firstly, the plates cannot be positioned, and plates with small mass and large area are easily displaced due to collision when being lifted and transported horizontally, thus affecting subsequent transportation; in addition, this type of material conveyor cannot transport multiple plates at the same time, and cannot transport multiple plates of different sizes. Summary of the invention

[0004] The object of the present invention is to provide a plate conveyor which is aimed at conveying plates, realizes the simultaneous transportation of multiple plates and is suitable for conveying plates of different sizes.

[0005] The plate sending machine provided by the present invention includes a machine body and a lifting device, a plate sending space which runs through along a first horizontal direction is formed in the middle of the machine body, the lifting device is arranged on the machine body, and the lifting device includes a lifting platform; the plate sending machine also includes a plate holding device and a pushing device; the plate holding device is arranged on the lifting platform, and the plate holding device is located in the plate sending space; the plate holding device includes two plate supporting mechanisms which are relatively arranged in the second horizontal direction, and at least two plate placement positions arranged in the vertical direction are formed between the two plate supporting mechanisms, and the second horizontal direction is perpendicular to the first horizontal direction; the plate holding device includes a first translation mechanism, and the plate supporting mechanism can move along the second horizontal direction under the drive of the first translation mechanism; the pushing device is installed on the machine body and is located above the plate sending space; the pushing device includes a second translation mechanism and a pushing member, and the pushing member extends from top to bottom to the plate sending space, and the pushing member can move along the first horizontal direction and pass through the plate placement position under the drive of the second translation mechanism.

[0006] It can be seen from the above scheme that the plate holding device is arranged in such a way that it can fix multiple plates from both sides; the spacing between the two plate supporting mechanisms can be adjusted through the first translation mechanism, so that the clamping device is suitable for transporting plates with different widths; since there is a gap between the two plate supporting mechanisms, the pushing member moves along the first horizontal direction and passes through the plate placement position to push out one, multiple or all plates in the plate holding device to complete the plate delivery. Therefore, the plate delivery machine provided by the present invention is targeted at plate transportation, realizes simultaneous transportation of multiple plates and adapts to the transportation of plates of different sizes.

[0007] A further solution is that the pushing device further includes a third translation mechanism, the third translation mechanism is arranged between the machine body and the second translation mechanism, and the pushing member can move along the second horizontal direction under the drive of the third translation mechanism.

[0008] It can be seen from the above that after adjusting the distance between the two plate supporting mechanisms, the centerline position of the plate changes in the second horizontal direction. At this time, the position of the pushing member in the second horizontal direction can be adjusted by the third translation mechanism, so that the pushing member is always aligned with the centerline of the plate, ensuring that the plate will not deviate sideways or even get stuck due to unbalanced force when pushing the plate.

[0009] A further solution is that the first translation mechanism includes a first drive unit, a first horizontal screw and a first screw nut; the first drive unit is connected to the lifting platform, the first horizontal screw is coaxially connected to the output shaft of the first drive unit, the first screw nut is fixedly connected to the plate support mechanism, and the first screw nut is mounted on the first horizontal screw.

[0010] As can be seen from the above, this setting enables the plate support mechanism to have a more precise horizontal movement distance, thereby satisfying the requirements of bearing plates of different sizes while protecting the plates.

[0011] A further solution is that the second translation mechanism includes a first extension member, a second extension member, a first belt transmission assembly, a second belt transmission assembly and a second driving unit; the first belt transmission assembly includes a first transmission belt, a first driving wheel and a first driven wheel, and the first transmission belt is connected between the first driving wheel and the first driven wheel; the second belt transmission assembly includes a second transmission belt, a second driving wheel and a second driven wheel, and the second transmission belt is connected between the second driving wheel and the second driven wheel; the first extension member and the second extension member both extend along the first horizontal direction, and the first extension member, the second extension member and the pushing member are sequentially connected and slidably connected along the first horizontal direction; the first belt transmission assembly is arranged on the first extension member, and the second belt transmission assembly is arranged on the second extension member; the second driving unit is fixed on the first extension member, the second driving unit is connected to the first driving wheel, the second extension member is fixedly connected to the first transmission belt, and the pushing member is fixedly connected to the second transmission belt.

[0012] As can be seen from the above, the second translation mechanism is a telescopic mechanism, which enables the pushing member to translate and move outside the exit of the plate delivery space, thereby ensuring that the pushing member can completely push the plate out of the machine body.

[0013] A further solution is that the third translation mechanism includes a third drive unit, a second horizontal screw and a second screw nut; the third drive unit is connected to the machine body, the second horizontal screw is coaxially connected to the output shaft of the second drive unit, the second screw nut is fixedly connected to the first extension piece, and the second screw nut is mounted on the second horizontal screw.

[0014] As can be seen from the above, this arrangement enables the pushing member to have a more precise horizontal displacement in the second horizontal direction.

[0015] A further solution is that the plate supporting mechanism includes a supporting member and a plurality of plate supporting members installed on the supporting member from bottom to top; the plate supporting member includes a bottom wall and a side baffle wall, the side baffle wall extends upward from the bottom wall, and a plate placement groove is formed between the bottom wall and the side baffle wall and passes through along a first horizontal direction; in a second horizontal direction, two plate placement grooves arranged opposite to each other and the space between the two plate placement grooves constitute a plate placement position.

[0016] As can be seen from the above, this arrangement enables multiple panels to be arranged from bottom to top and supported horizontally between the panel support mechanisms, while facilitating the panels to enter and exit the panel placement positions.

[0017] A further solution is that, in the first horizontal direction, the extended end portion of the bottom wall has a guiding inclined portion.

[0018] As can be seen from the above, this setting can increase the depth of the entrance to the plate placement position, so that the plate can enter the plate placement position more smoothly.

[0019] A further solution is that, in the first horizontal direction, from the extended middle portion to the extended end portion of the side retaining wall, the distance between the two side retaining walls located on opposite sides of the panel placement position gradually increases.

[0020] As can be seen from the above, this setting can increase the width of the entrance to the plate placement position, so that the plate can enter the plate placement position more smoothly.

[0021] A further solution is that the pushing member includes a pushing plate and reinforcing ribs extending in a vertical direction to form an elongated shape, and the pushing plate has a pushing surface facing the first horizontal direction; in the vertical direction, the cross section of the pushing member is T-shaped.

[0022] As can be seen from the above, since the pushing member extends from bottom to top into a long shape and the pushing member needs to push multiple plates, adding reinforcing ribs can effectively prevent the pushing member from bending and deforming.

[0023] A further solution is that the plate feeding machine also includes a feeding guide mechanism, which is fixed on the machine body; the feeding guide mechanism has two guide members which are relatively arranged and spaced apart in the second horizontal direction, and a guide channel is formed between the two guide members; the plate holding device can be moved to the feeding position under the drive of the lifting device, and when the plate holding device is in the feeding position, the plate placement position is connected with the guide channel in the first horizontal direction.

[0024] As can be seen from the above, the delivered plate is adjusted in position by the guide mechanism, so that the delivery position of the plate is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural diagram of a plate feeding machine embodiment of the present invention from a first viewing angle.

[0026] Figure 2 This is a structural diagram of a plate feeding machine embodiment of the present invention from a second viewing angle.

[0027] Figure 3 This is a structural diagram of a plate feeder embodiment of the present invention with a portion of the body shell hidden.

[0028] Figure 4 It is a structural diagram of the lifting platform and the plate holding device in the embodiment of the plate feeding machine of the present invention.

[0029] Figure 5 It is a structural diagram from the first perspective of the pushing device in the plate feeding machine embodiment of the present invention.

[0030] Figure 6 It is a structural diagram of the pushing device from a second perspective in the plate feeding machine embodiment of the present invention.

[0031] Figure 7 for Figure 2 Enlarged view of point A in the middle.

[0032] Figure 8 for Figure 3 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0033] See also Figures 1 to 3 , Figure 1 This is a structural diagram of a plate feeding machine embodiment of the present invention from a first viewing angle. Figure 2 This is a structural diagram of the second viewing angle of the plate feeding machine embodiment of the present invention. Figure 3 The structural diagram of the plate delivery machine embodiment of the present invention hides part of the body shell. A unified spatial rectangular coordinate system is established in the figure, the x-axis direction is the first horizontal direction, the y-axis direction is the second horizontal direction, and the z-axis direction is the vertical direction. The plate delivery machine includes a body 1, a lifting device 2, a plate holding device 3, a pushing device 4, a detection device group and a delivery guide mechanism 7. The detection device group includes a first photoelectric sensor 61, a second photoelectric sensor 62, a third photoelectric sensor 63, a fifth photoelectric sensor 65, a sixth photoelectric sensor 66, a first sensing element 81 arranged on the body 1, and a fourth photoelectric sensor 64 and a second sensing element 82 arranged on the lifting device 2. A plate delivery space 100 is formed in the middle of the body 1 along the first horizontal direction, and an entrance 101 and an exit 102 of the plate delivery space 100 are formed at opposite ends of the body 1 in the first horizontal direction.

[0034] See also Figure 3The lifting device 2 is arranged in the machine body 1, and the lifting device 2 includes a lifting screw 21 and a lifting platform 22. The lifting screw 21 is driven by a motor, and a lifting screw nut 221 is arranged on the lifting platform 22. The lifting screw nut 221 is sleeved outside the lifting screw 21. In addition, the lifting device 2 also includes two guide columns 23, and the guide columns 23 pass through the guide sleeves on the lifting platform 22.

[0035] Combination Figure 3 and Figure 4 , Figure 4 1 is a structural diagram of a lifting platform and a plate holding device in an embodiment of a plate feeding machine of the present invention. The plate holding device 3 is arranged on the lifting platform 22, and the plate holding device 3 is located in the plate feeding space 100. The plate holding device 3 includes a first translation mechanism 41 and two plate supporting mechanisms 31, one plate supporting mechanism 31 is fixed on the lifting platform 22, and the other plate supporting mechanism 31 is installed on the lifting platform 22 through the first translation mechanism 41, and the two plate supporting mechanisms 31 are arranged opposite to each other in the second horizontal direction.

[0036] Recombination Figure 1 The plate support mechanism 31 includes a support member 319 and a plurality of plate support members 32 installed on the support member 319 from bottom to top, and the support member 319 is a support column. Each plate support member 32 includes a bottom wall 321 and a side baffle wall 322 extending along the first horizontal direction. The side baffle wall 322 extends upward from the edge of the bottom wall 321, and a plate placement slot 320 is formed between the bottom wall 321 and the side baffle wall 322 and passes through along the first horizontal direction. The extended end of the bottom wall 321 has a guiding inclined portion 323. In the second horizontal direction, two plate placement slots 320 arranged opposite to each other and the space between the two plate placement slots 320 constitute a plate placement position 300. From the extended middle part to the extended end of the side baffle wall 322, the distance between the two side baffle walls 322 located on the opposite sides of the plate placement position 300 gradually increases. Each plate placement position 300 is used to place a plate 9 , and two opposite sides of each plate 9 are respectively located in a plate placement groove 320 and supported by a corresponding bottom wall 321 .

[0037] See also Figure 3 and Figure 4The first translation mechanism 41 includes a first driving unit 411, a first horizontal screw rod 412 and a first screw rod nut 413. A first connecting frame 33 is arranged between the plate support mechanism 31 and the first translation mechanism 41, and the two supporting members 319 are fixedly connected to the first connecting frame 33. The first connecting frame 33 includes a horizontal plate 331, and the horizontal plate 331 is slidably mounted on the lifting platform 22 along the second horizontal direction through a slide rail structure 414, and the first screw rod nut 413 is fixedly mounted on the horizontal plate 331. The first driving unit 411 is a crank, and the first driving unit 411 is rotatably mounted on the lifting platform 22 through a seat body. The first driving unit 411 is coaxially fixedly connected with the first horizontal screw rod 412, and the first screw rod nut 413 is sleeved on the first horizontal screw rod 412. The first horizontal mechanism 41 can realize the movement of the plate support mechanism 31 along the second horizontal direction, thereby realizing the adjustment of the distance between the two plate support mechanisms 31.

[0038] Combination Figure 5 and Figure 6 , Figure 5 This is a structural diagram of the pushing device from the first perspective in the plate feeding machine embodiment of the present invention. Figure 6 1 is a structural diagram of the pushing device in the board feeding machine embodiment of the present invention from a second perspective. The pushing device 4 is arranged on the top of the machine body 1 and is located above the board feeding space 100. The pushing device 4 includes a third translation mechanism 43, a second translation mechanism 42 and a pushing member 5 connected in sequence. The top of the machine body 1 has a fixed second connecting frame 19, and the third translation mechanism 43 is installed on the lower side of the second connecting frame 19.

[0039] The third translation mechanism 43 includes a third driving unit 431, a second horizontal screw rod 432 and a second screw rod nut 433. The third driving unit 431 is a crank, and the third driving unit 431 is rotatably mounted on the second connecting frame 19 through a seat. The second horizontal screw rod 432 is coaxially connected to the output shaft of the second driving unit 46. The second screw rod nut 433 is sleeved on the second horizontal screw rod 432.

[0040] The second translation mechanism 42 includes a first extension member 421, a second extension member 422, a first belt transmission assembly 44, a second belt transmission assembly 45, and a second driving unit 46. The first belt transmission assembly 44 includes a first transmission belt 443, a first driving wheel 441, and a first driven wheel 442, and the first transmission belt 443 is connected between the first driving wheel 441 and the first driven wheel 442; the second belt transmission assembly 45 includes a second transmission belt 453, a second driving wheel 451, and a second driven wheel 452, and the second transmission belt 453 is connected between the second driving wheel 451 and the second driven wheel 452.

[0041] The second screw nut 433 is fixedly connected to the first extension member 421. The first extension member 421 and the second extension member 422 both extend along the first horizontal direction, and the first extension member 421, the second extension member 422 and the push member 5 are sequentially connected by sliding along the first horizontal direction; the first belt transmission assembly 44 is arranged on the first extension member 421, and the second belt transmission assembly 45 is arranged on the second extension member 422; the second drive unit 46 is fixed on the first extension member 421, the second drive unit 46 is connected to the first driving wheel 441, and the second extension member 422 is fixedly connected to the first transmission belt 443.

[0042] Combination Figures 3 to 6 The push member 5 is fixedly connected to the second transmission belt 453 and extends into the plate delivery space 100. The push member 5 includes a push plate 51 and a reinforcing rib 52 extending in the vertical direction. The push plate 51 has a push surface 500 facing the first horizontal direction. In the vertical direction, the cross section of the push member 5 is T-shaped. The push member 5 can move along the first horizontal direction and pass through the plate placement position 300 under the drive of the second translation mechanism 42, and can move along the second horizontal direction under the drive of the third translation mechanism 43.

[0043] Recombination Figure 2 and Figure 7 , Figure 7 for Figure 2 The delivery guide mechanism 7 is fixed on the machine body 1, and in the first horizontal direction, the guide channel 700 is located outside the outlet 102. The delivery guide mechanism 7 includes a mounting frame 71 and two guide members 72, the two extended ends of the mounting frame 71 are respectively fixed on the left and right sides of the outlet 102 on the machine body 1, and the two guide members 72 are symmetrically and spaced apart on the mounting frame 71, and a guide channel 700 is formed between the two guide members 72.

[0044] In the first horizontal direction, the guide member 72 has an L-shaped profile, and has a bottom 721 and a side stop 722 protruding from the bottom 721. A delivery guide groove 720 that runs through the first horizontal direction is formed between the bottom 721 and the side stop 722. The two delivery guide grooves 720 on both sides and the space between the two delivery guide grooves 720 constitute the above-mentioned guide channel 700. In addition, in the first horizontal direction, the bottom 721 is provided with a first guide slope 721a at the entrance of the delivery guide groove 720, and the side stop 722 is provided with a second guide slope 722a at the entrance of the delivery guide groove 720. The plate holding device 3 can be moved to the delivery position under the drive of the lifting device 2. When the plate holding device 3 is located at the delivery position, the plate placement position 300 is connected and docked with the guide channel 700 in the first horizontal direction.

[0045] See also Figure 3 and Figure 8 , Figure 8 for Figure 3 The enlarged view of the B in the figure. In the first horizontal direction, the first photoelectric sensor 61, the second photoelectric sensor 62 and the third photoelectric sensor 63 are arranged in sequence, and the emission directions of the detection ends of the first photoelectric sensor 61, the second photoelectric sensor 62 and the third photoelectric sensor 63 are all in the vertical direction or the opposite direction of the vertical direction. Among them, the second photoelectric sensor 62 and the third photoelectric sensor 63 are both through-beam photoelectric sensors.

[0046] In the first horizontal direction, the distance from the second photoelectric sensor 62 to the entrance 101 is a first distance, and the distance from the second photoelectric sensor 62 to the exit 102 is a second distance, the first distance is smaller than the second distance, the first photoelectric sensor 61 is closer to the entrance 101 than the second photoelectric sensor 62, and the plate placement position 300 is within the detection range of the first photoelectric sensor 61 and within the detection range of the second photoelectric sensor 62; in the first horizontal direction, the detection range of the third photoelectric sensor 63 is outside the exit 102, and the detection range of the third photoelectric sensor 63 is between the guide channel 700 and the plate placement position 300.

[0047] The first photoelectric sensor 61 is used to detect whether the multiple plates 9 in the plate placement position 300 have all reached the accurate placement position, the third photoelectric sensor 63 is used to detect whether the pushed-out plate 9 has completely left the plate delivery space 100, and the second photoelectric sensor 62 is used to determine whether there are still plates 9 in the plate holding device 3. The arrangement of the first photoelectric sensor 61, the second photoelectric sensor 62 and the third photoelectric sensor 63 enables the system to effectively determine the position and transportation status of the plate 9 during the transportation process.

[0048] The fourth photoelectric sensor 64 is a slot-type photoelectric sensor. The fourth photoelectric sensor 64 is fixedly arranged on the lifting platform 22. The emission direction of the detection end of the fourth photoelectric sensor 64 is the horizontal direction. The first sensing member 81 is arranged on the inner side of the wall 18 of the machine body 1. The first sensing member 81 is provided with a plurality of sensing shielding parts 811 arranged in the vertical direction. The number of the sensing shielding parts 811 is equal to the number of the plate placement positions 300. There is a gap between two adjacent sensing shielding parts 811. Each sensing shielding part 811 corresponds to a plate placement position 300. The first sensing member 81 is provided with a first connecting hole 813. The first connecting hole 813 penetrates the first sensing member 81 in the horizontal direction. The first connecting hole 813 extends into a long shape in the vertical direction. The installation of the first sensing member 81 is completed by passing the bolt through the first connecting hole 813 and locking it to the wall 18, and the horizontal height of the first sensing member 81 can be adjusted.

[0049] The fifth photoelectric sensor 65 and the sixth photoelectric sensor 66 are arranged on the machine body 1 in sequence along the vertical direction, and the second sensing member 82 is arranged on the lifting platform 22 or the plate holding device 3; under the drive of the lifting device 2, the second sensing member 82 can enter the sensing range of the fifth photoelectric sensor 65. Under the drive of the lifting device 2, the second sensing member 82 can enter the sensing range of the sixth photoelectric sensor 66. The fifth photoelectric sensor 65 and the sixth photoelectric sensor 66 are used to detect the lifting limit position of the lifting device 2.

[0050] Combination Figure 1 , Figure 2 , Figure 3 and Figure 8 , the working mode of the plate feeder is described. First, the material is loaded, the upgrading device 2 is lowered to the lower limit position, and then a plurality of plates 9 are placed from the entrance 101 to each plate placement position 300, and the first photoelectric sensor 61 detects whether the plate 9 enters and reaches the preset position. If the plate 9 reaches the preset position, the plate 9 is not within the detection range of the first photoelectric sensor 61.

[0051] After the placement of the plate 9 is completed, the lifting device 2 is started until the first sensing shielding part 811 at the top enters the sensing range of the fourth photoelectric sensor 64. At this time, the system determines that the plate holding device 3 is at the sending position and suspends the lifting device 2. At this time, the first plate placement position 300 at the top is connected and connected with the guide channel 700 in the first horizontal direction. At this time, the pushing device 4 is started, and the pushing member 5 can push the target plate 9 out of the exit 102 and into the guide channel 700. During the process, the third photoelectric sensor 63 can detect whether the pushed plate 9 has completely left the plate delivery space 100.

[0052] After one plate 9 is sent out, the upgrading device 2 continues to rise until the next sensing shielding portion 811 enters the sensing range of the fourth photoelectric sensor 64, and then the next plate 9 is sent out. Then the above-mentioned plate 9 sending steps are circulated. When there is no shielding between the two opposing ends of the second photoelectric sensor 62, the system determines that all the plates 9 have been sent out, and the system controls the lifting device 2 to descend to the lower limit position again to prepare for the next loading work.

[0053] In the plate delivery machine provided by the present invention, the plate holding device 3 is arranged in such a manner that it can fix multiple plates from both sides, and the spacing between the two plate supporting mechanisms 31 can be adjusted through the first translation mechanism 41, so that the clamping device is suitable for transporting plates with different widths; since there is a gap between the two plate supporting mechanisms 31, the pushing member 5 moves along the first horizontal direction and passes through the plate placement position 300 to push out one, multiple or all plates 9 in the plate holding device 3 to complete the plate delivery. Therefore, the plate delivery machine provided by the present invention is targeted at plate transportation, realizes the simultaneous transportation of multiple plates 9 and adapts to the transportation of plates 9 of different sizes.

[0054] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plate feeding machine, comprising a machine body and a lifting device, wherein a plate feeding space penetrating along a first horizontal direction is formed in the middle of the machine body, and the lifting device is arranged on the machine body, and the lifting device comprises a lifting platform; Features: The plate feeder also includes a plate holding device and a pushing device; The plate holding device is arranged on the lifting platform, and the plate holding device is located in the plate sending space; The plate holding device comprises two plate supporting mechanisms arranged opposite to each other in a second horizontal direction, at least two plate placing positions arranged in a vertical direction are formed between the two plate supporting mechanisms, and the second horizontal direction is perpendicular to the first horizontal direction; The plate holding device comprises a first translation mechanism, and the plate supporting mechanism can move along the second horizontal direction under the drive of the first translation mechanism; The pushing device is installed on the machine body and is located above the plate feeding space; The pushing device comprises a second translation mechanism and a pushing member, the pushing member extends from top to bottom to the plate delivery space, and the pushing member can move along the first horizontal direction and pass through the plate placement position under the drive of the second translation mechanism; The pushing device further includes a third translation mechanism, which is disposed between the machine body and the second translation mechanism, and the pushing member can move along the second horizontal direction under the drive of the third translation mechanism; The first translation mechanism includes a first driving unit, a first horizontal lead screw and a first lead screw nut; The first drive unit is connected to the lifting platform, the first horizontal screw is coaxially connected to the output shaft of the first drive unit, the first screw nut is fixedly connected to the plate supporting mechanism, and the first screw nut is sleeved on the first horizontal screw; The second translation mechanism includes a first extension member, a second extension member, a first belt transmission assembly, a second belt transmission assembly, and a second drive unit; The first belt transmission assembly includes a first transmission belt, a first driving wheel and a first driven wheel, and the first transmission belt is connected between the first driving wheel and the first driven wheel; The second belt transmission assembly includes a second transmission belt, a second driving wheel and a second driven wheel, and the second transmission belt is connected between the second driving wheel and the second driven wheel; The first extension member and the second extension member both extend along the first horizontal direction, and the first extension member, the second extension member and the pushing member are sequentially slidably connected along the first horizontal direction; The first belt transmission assembly is disposed on the first extension member, and the second belt transmission assembly is disposed on the second extension member; The second driving unit is fixed on the first extension member, the second driving unit is connected to the first driving wheel, the second extension member is fixedly connected to the first transmission belt, and the pushing member is fixedly connected to the second transmission belt; The plate supporting mechanism comprises a supporting member and a plurality of plate supporting members installed on the supporting member from bottom to top; The plate support member includes a bottom wall and a side baffle wall, wherein the side baffle wall extends upward from the bottom wall, and a plate placement slot penetrating along the first horizontal direction is formed between the bottom wall and the side baffle wall; In the second horizontal direction, the two plate placement grooves that are oppositely arranged and the space between the two plate placement grooves constitute the plate placement position.

2. The plate feeder according to claim 1, characterized in that: The third translation mechanism includes a third driving unit, a second horizontal lead screw and a second lead screw nut; The third driving unit is connected to the machine body, the second horizontal screw is coaxially connected to the output shaft of the second driving unit, the second screw nut is fixedly connected to the first extension piece, and the second screw nut is sleeved on the second horizontal screw.

3. The plate feeder according to claim 1 or 2, characterized in that ； In the first horizontal direction, the extending end portion of the bottom wall has a guiding inclined portion.

4. The plate feeder according to claim 1 or 2, characterized in that: In the first horizontal direction, from the extended middle portion to the extended end portion of the side retaining wall, the distance between the two side retaining walls located on opposite sides of the panel placement position gradually increases.

5. The plate feeder according to claim 1 or 2, characterized in that: The pushing member comprises a pushing plate and reinforcing ribs extending in a vertical direction and having an elongated shape, wherein the pushing plate has a pushing surface facing the first horizontal direction; In the vertical direction, the cross section of the pushing member is T-shaped.

6. The plate feeder according to claim 1 or 2, characterized in that: The plate feeder also includes a feed-out guide mechanism, which is fixed on the machine body; The delivery guide mechanism comprises two guide members which are arranged opposite to each other and spaced apart in the second horizontal direction, and a guide channel is formed between the two guide members; The plate holding device can be moved to a sending-out position under the driving of the lifting device. When the plate holding device is located at the sending-out position, the plate placement position is connected with the guide channel in the first horizontal direction.

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