CN215854079U - Vertical lifting material tray - Google Patents

Abstract

The utility model provides a vertical lifting charging tray which comprises two material racks arranged side by side, wherein each material rack comprises a support frame, a lifting power assembly, a lifting assembly and a plurality of bearing pieces; the two bearing parts on the two supporting frames at the same height bear the left side and the right side of the material. The lifting power assembly drives the lifting assembly to move, so that the bearing piece is driven to ascend or descend, the circuit board can be continuously sent into the vertical lifting material disc, and the circuit board is continuously sent out of the vertical lifting material disc, so that the vertical heating furnace is in a continuous heating working state, and the heating efficiency is greatly improved.

Description

Vertical lifting material tray

Technical Field

The utility model relates to the field of circuit board storage equipment, in particular to a vertical lifting material tray.

Background

A Printed Circuit Board (PCB), also called an integrated Circuit Board, abbreviated as a Circuit Board, is an important component of electronic equipment, and is widely applied because the PCB integrates electronic components on a substrate by using an electronic printing technology. The PCB manufacturing process involves heating or drying processes, such as paint glue curing, moisture drying, etc., of the PCB. Therefore, a heating furnace is often used in the process of processing the PCB. In the forming process of the PCB in the prior art, the circuit board is usually placed in a curing heating furnace, after the heating process is finished, the curing heating furnace is stopped, the circuit board in the heating furnace is taken out, then the circuit board is placed in the curing heating furnace, the next heating is carried out, the heating furnace is in an intermittent heating working state, and the heating efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a vertical lifting material tray to solve the technical problems that the heating furnace is in an intermittent heating working state and the heating efficiency is low in the prior art.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a vertical lifting material tray comprises two material racks arranged side by side, wherein each material rack comprises a support frame, a lifting power assembly, a lifting assembly and a plurality of bearing pieces, the lifting assembly is arranged on the support frame along the height direction of the support frame II, the bearing pieces are arranged on the lifting assembly, the lifting power assembly is arranged on the support frame, and the lifting power assembly is connected with the lifting assembly to drive the bearing pieces to do lifting motion;

the two bearing parts on the two support frames at the same height bear the left side and the right side of the material.

Compared with the prior art, the utility model has the beneficial effects that:

the lifting power assembly drives the lifting assembly to move, so that the bearing parts are driven to ascend or descend, the two bearing parts on the same height bear the same circuit board, the circuit board ascends or descends, the circuit board is heated in the ascending or descending process of the circuit board, therefore, the circuit board can be continuously sent into the vertical lifting material disc, the circuit board is continuously sent out from the vertical lifting material disc, the vertical heating furnace is in a continuous heating working state, and the heating efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of the structure of a vertical heating furnace of the present invention;

FIG. 2 is a schematic perspective view of the vertical furnace of the present invention with the outer shell removed;

FIG. 3 is an exploded view of the vertical furnace of the present invention with the housing removed;

FIG. 4 is a schematic structural diagram of a vertical tray and a pushing mechanism in the internal structure of the vertical heating furnace of the present invention;

FIG. 5 is a schematic top view of a vertical tray and a pushing mechanism in the internal structure of the vertical heating furnace of the present invention;

FIG. 6 is a schematic view showing the structure of a pusher mechanism in the vertical heating furnace according to the present invention;

FIG. 7 is a schematic structural diagram of a vertical tray and a hot air box in the vertical heating furnace of the present invention;

FIG. 8 is an exploded view of a hot air box in a vertical heating furnace according to the present invention;

fig. 9 is an exploded view of a chain tensioner in a vertical furnace of the present invention.

The drawings indicate the description:

1. a heating box; 11. heating the box body; 11a and a feeding port; 11b, a discharge hole;

12. a hot air box; 121. a hot blast box body; 1211. an air outlet plate; 122. a heater; 123. a fan; 1231. an air supply motor; 1232. an impeller; 124. an air outlet cover; 125. a volute; 1251. an air outlet pipeline; 126. return air pipeline

13. A vertical material tray;

131. a support frame; 1311. a vertical plate; 1312. a transverse plate; 1313. a guide member;

132. a carrier;

133. a lifting assembly; 1331. a conveyor chain; 1332. a first sprocket; 1333. a second sprocket; 1334. a synchronous roll shaft;

134. a lifting power assembly; 1341. a lifting motor; 1342. a drive chain; 1343. a drive sprocket;

135. a chain tensioner; 1351. a mounting seat; 13511. a chute; 13512. a stopper; 1352. a slider; 1353. a tension adjustment assembly; 13531. adjusting screws; 13532. a buffer member; 13533. a slider; 1354. locking the nut;

136. a width adjustment assembly; 1361. a rack guide mechanism; 13611. a guide bar; 13612. a linear bearing; 13613. a fixed seat; 1362. adjusting the screw rod; 1363. an adjusting power mechanism; 13631. a second adjustment power member; 13632. a third transmission wheel; 13633. a fourth transmission wheel; 13634. a third winding member;

2. a material pushing mechanism; 21. a first transfer assembly; 211. a delivery carriage; 212. a first winding member; 213. a first drive pulley; 22. a transmission power mechanism; 221. a transfer motor; 222. a transmission rod is transmitted; 23. a material pushing assembly; 231. a second transfer assembly; 2311. a material pushing bracket; 2312. a second winding member; 2313. a second transmission wheel; 232. a push block; 24. a material pushing power mechanism; 241. a material pushing motor; 242. a material pushing transmission rod; 25. pushing the material box; 26. a transport adjustment assembly; 261. a first adjustment power member; 262. a first lead screw; 263. a second lead screw; 264. adjusting the transmission mechanism;

2a, a feeding mechanism;

2b and a discharging mechanism.

Detailed Description

The present invention will be further described with reference to fig. 1 to 9 and the detailed description thereof, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.

Reference herein to "a and B being connected (provided, disposed, fixed) to C and D, respectively, should be understood to include" a being connected (provided, disposed, fixed) to C, B being connected (provided, disposed, fixed) to D "as well as" a being connected (provided, disposed, fixed) to D, B being connected (provided, disposed, fixed) to C ". For example, the technical contents "the upper part and the lower part of the heating box 11 are respectively provided with the feeding port 11a and the discharging port 11 b" described below include the technical contents "the upper part of the heating box 11 is provided with the feeding port 11a, the lower part of the heating box 11 is provided with the discharging port 11 b", and also include the technical contents "the upper part of the heating box 11 is provided with the discharging port 11b, and the lower part of the heating box 11 is provided with the feeding port 11 a".

As shown in fig. 1, the embodiment of the present invention provides a vertical heating furnace using material heating, and is particularly suitable for heating plate-shaped materials, such as circuit boards, which are taken as examples below. The vertical heating furnace comprises a heating box 1, a feeding mechanism 2a and a discharging mechanism 2 b.

As shown in fig. 2, 3 and 7, the heating box 1 includes a heating box body 11, a hot air box 12 and a vertical tray 13 disposed in the heating box body 11 for storing circuit boards. A heating area and a non-heating area are arranged in the heating box body 11, the vertical material tray 13 is arranged in the heating area, and the hot air box 12 is arranged in the non-heating area. The upper portion and the lower portion of the heating box 11 are respectively provided with a feeding port 11a and a discharging port 11b, specifically, the feeding port 11a can be arranged on the upper portion of the heating box 11, the discharging port 11b can be arranged on the lower portion of the heating box 11, the feeding port 11a can be arranged on the lower portion of the heating box 11, and the discharging port 11b can be arranged on the upper portion of the heating box 11. The feeding mechanism 2a is disposed at the feeding port 11a of the heating box 1 and used for pushing the circuit board to move from the feeding port 11a to the vertical tray 13. The discharging mechanism 2b is arranged at the discharging port 11b of the heating box 1 and used for pushing the circuit board on the vertical tray 13 to discharge from the discharging port 11 b. The hot air box 12 is arranged in the heating box body 11 and is used for supplying hot air flow to the vertical tray 13. In this embodiment, set up vertical charging tray 13 in heating cabinet 1, pan feeding mechanism 2a transports the circuit board to vertical charging tray 13 in, and after the heating is accomplished, discharge mechanism 2b sends out the circuit board outside heating cabinet 1. A large number of circuit boards are stored through the vertical material tray 13, the number of the circuit boards placed in the heating box 1 is increased, the number of the circuit boards which are heated in the heating box 1 is increased, and the heating efficiency is improved. And the circuit board is the plate material, and the circuit board can be followed vertical direction and stacked in vertical charging tray 13 at interval layer upon layer, and the plate structure of circuit board and vertical charging tray 13's vertical structure looks adaptation further improves the circuit board and deposits quantity.

In some embodiments, as shown in fig. 4 and 5, the vertical tray 13 includes two racks arranged side by side, each rack includes a support frame 131 and a plurality of carriers 132 distributed along the height direction of the support frame 131, and the two carriers 132 at the same height on the two support frames 131 carry the left and right sides of the circuit board. In this embodiment, the vertical tray 13 includes two racks, the supporting component 132 on one rack supports one side edge of the circuit board, and the supporting component 132 at the same height on the other rack supports the other side edge of the circuit board, so that most of the circuit board is in a suspended state, which is convenient for the circuit board to fully contact with the hot air flow, thereby increasing the heating speed of the circuit board and the heating efficiency. Moreover, the vertical tray 13 includes two supporting frames 131, and the supporting members 132 are distributed along the height direction of the supporting frames 131, so as to form the vertical tray 13, facilitate stacking of circuit boards along the vertical direction at intervals, and increase the number of circuit boards placed on the vertical tray 13.

Further, as shown in fig. 4 and 5, the stack further includes a lifting assembly 133 and a lifting power assembly 134, the lifting assembly 133 is disposed on the supporting frame 131 along the height direction of the supporting frame 131, each of the bearings 132 is disposed on the lifting assembly 133, the lifting power assembly 134 is connected to the lifting assembly 133, and the lifting power assembly 134 drives the lifting assembly 133 to operate. In this embodiment, the lifting power assembly 134 drives the lifting assembly 133 to move, so as to drive the bearing members 132 to ascend or descend, and the two bearing members 132 at the same height bear the same circuit board, so that the circuit board ascends or descends, and the circuit board is heated in the ascending or descending process of the circuit board.

In addition, in the vertical heating furnace in this embodiment, the circuit board enters from the feeding port 11a and exits from the discharging port 11b, so that the circuit board is transported in a layered manner up and down. Especially, when the feeding port 11a and the discharging port 11b on the heating box body 11 are located on the same side of the heating box body 11, the circuit board can be transported from the upper layer to the lower layer through the vertical heating furnace and then be rotated to be transported, or be transported from the lower layer to the upper layer, and the reversing function is achieved.

In some embodiments, as shown in fig. 4 and 5, the lifting assembly 133 includes a lifting chain set including a conveying chain 1331, a first sprocket 1332 and a second sprocket 1333, one of the first sprocket 1332 and the second sprocket 1333 is disposed at an upper end of the support frame 131, and the other of the first sprocket 1332 and the second sprocket 1333 is disposed at a lower end of the support frame 131. The lifting power assembly 134 is connected to the first sprocket 1332 to drive the first sprocket 1332 to rotate. Each of the carriers 132 on the supporting frame 131 is fixed to the conveying chain 1331 along the length direction of the conveying chain 1331. The conveying chain 1331, the first chain wheel 1332 and the second chain wheel 1333 are combined to form a lifting chain set, the lifting power assembly 134 is connected to the first chain wheel 1332, and the lifting power assembly 134 drives the first chain wheel 1332 to rotate, so that the lifting chain set operates, the conveying chain 1331 drives the bearing pieces 132 to circularly lift, and in two side-by-side racks, the two bearing pieces 132 at the same height drive the circuit board to lift or lower.

In addition, in the vertical heating furnace, the circuit board needs to be heated, and therefore, the lifting chain group also needs to be in a high-temperature environment for a long time, and the conveying chain 1331 has a metal chain structure, and can be more suitable for the high-temperature environment than a rubber conveying belt.

In some embodiments, as shown in fig. 4 and 5, the number of the lift chain sets is two, and two lift chain sets are respectively disposed on two sides of the supporting frame 131, that is, one lift chain set is disposed on one side of the supporting frame 131, and the other lift chain set is disposed on the other side of the supporting frame 131. The two first sprockets 1332 are respectively disposed on two sides of the upper end of the supporting frame 131, and the two second sprockets 1333 are respectively disposed on two sides of the lower end of the supporting frame 131, or the two first sprockets 1332 are respectively disposed on two sides of the lower end of the supporting frame 131, and the two second sprockets 1333 are respectively disposed on two sides of the upper end of the supporting frame 131. The lifting assembly 133 further includes a synchronous roller shaft 1334, two ends of the synchronous roller shaft 1334 are respectively connected to the two first chain wheels 1332, or two ends of the synchronous roller shaft 1334 are respectively connected to the two second chain wheels 1333. The supporting members 132 are elongated, and two ends of each supporting member 132 are respectively fixed to the two conveying chains 1331 of the corresponding lifting assembly 133.

In this embodiment, two lifting chain groups are provided, and the two ends of the bearing part 132 are connected through the two lifting chain groups, so that the bearing part 132 obtains two-end support, and the stability of the bearing part 132 is improved. Through setting up synchronous roller 1334 for two lifting chain group synchronous operation, the both ends that hold a load in 132 can go up and down in step, ensure to hold a load in 132 steady lift. In addition, set up two lifting chain groups, can adapt the rectangular form holds carrier 132 more, and on two work or material rest that set up side by side, place the circuit board through two holds carrier 132 that are located the circuit board left and right sides for it is more steady when vertical charging tray 13 is deposited to the circuit board.

Specifically, the first sprocket 1332 and the second sprocket 1333 are respectively disposed at upper and lower ends of an inner side of a vertical plate 1311 (an inner side of the vertical plate 1311 means a side close to another vertical plate 1311, and an outer side of the vertical plate 1311 means a side far from another vertical plate 1311) hereinafter.

The lifting power assembly 134 is connected to the first chain wheel 1332 when being connected to the lifting assembly 133 or the lifting chain set, so in this embodiment, it is preferable that the two ends of the synchronization roller shaft 1334 are respectively connected to the two first chain wheels 1332, so that the synchronization roller shaft 1334 is closer to the lifting power assembly 134, thereby reducing the power transmission delay and improving the synchronization effect of the two lifting chain sets.

In some embodiments, as shown in fig. 4 and fig. 5, for the carrier 132, the carrier includes a bearing portion and a limiting portion located outside the bearing portion (two material shelves are arranged side by side, the carrier 132 at the same height on the two material shelves are also arranged side by side, and the outside of the bearing portion refers to a side far away from the other carrier 132), the limiting portion is higher than the bearing portion, and the two carrier 132 at the same height are arranged oppositely, that is, the limiting portion on the carrier 132 is located on a side far away from the circuit board of the bearing portion, so that the limiting portions on the two carrier 132 can limit the position of the circuit board from the left and right sides, and the bearing portions on the two carrier 132 bear the circuit board from the left and right sides.

In some embodiments, as shown in fig. 4, the support bracket 131 includes two vertical plates 1311 disposed in parallel and two transverse plates 1312 disposed between the two vertical plates 1311, the two vertical plates 1311 and the two transverse plates 1312 are connected into a frame shape, and the lifting assembly 133 is disposed on the vertical plates 1311. The support bracket 131 includes two parallel risers 1311, so that an installation space for the lifting component 133 is formed between the two risers 1311, and the installation and arrangement of the lifting component 133, especially the arrangement of the lifting chain set, are facilitated. The supporting frame 131 comprises two transverse plates 1312, one transverse plate 1312 is located above, the other transverse plate 1312 is located below, so that in two material stacks arranged side by side, the two transverse plates 1312 located above are arranged side by side, the two transverse plates 1312 located below are arranged side by side, the material stack guide mechanism 1361 can be connected with the two transverse plates 1312, and guide matching between the material stack guide mechanism 1361 and the supporting frame 131 is facilitated.

Specifically, the lift chain sets are disposed inside one of the risers 1311, but when the lift assembly 133 includes two lift chain sets, one lift chain set is disposed inside one of the risers 1311 and the other lift chain set is disposed inside the other riser 1311. The synchronization roller 1334 is disposed between the two vertical plates 1311.

The protrusion hereinafter means a portion in which one of the risers 1311 extends outward of the heating box body 11 and protrudes outside the heating box body 11.

In some embodiments, as shown in fig. 4, for the installation position of the lifting power assembly 134, specifically, the lifting power assembly 134 is disposed outside the heating box 1, the lifting power assembly 134 partially extends into the heating box 1, and the portion of the lifting power assembly 134 extending into the heating box 1 is connected to the lifting assembly 133 to drive the lifting assembly 133 to move and drive the carrier 132 to lift, specifically, to be connected to the lifting chain set. The lift power assembly 134 will typically include a power element (e.g., an electric or pneumatic motor) and a transmission structure having plastic inside that is susceptible to physical or chemical changes at high temperatures. In this embodiment, the part of the lifting power assembly 134 extending into the heating box 1 drives the lifting assembly 133 to move, the part of the lifting power assembly 134 extending into the heating box 1 is of a transmission structure, and the power element of the lifting power assembly 134 is externally arranged outside the heating box 1, so that the power element of the lifting power assembly 134 is far away from a high-temperature environment, and the normal work of the lifting power assembly 134 is ensured.

More specifically, the supporting frame 131 is provided with a protruding portion protruding outside the heating cabinet 11. The lifting power assembly 134 is disposed on the protruding portion, a portion of the lifting power assembly 134 extends into the heating box 1, and a portion of the lifting power assembly 134 extending into the heating box 11 is connected to the first sprocket 1332 of the lifting chain set to drive the first sprocket 1332 to rotate.

In some embodiments, as shown in fig. 4, the lifting power assembly 134 includes a lifting motor 1341, a transmission chain 1342 and two transmission chain wheels 1343, the lifting motor 1341 is disposed on the protruding portion, the lifting motor 1341 is further connected to one of the transmission chain wheels 1343, the other transmission chain wheel 1343 is disposed in the heating cabinet 11 and connected to the lifting assembly 133, specifically, connected to the first chain wheel 1332 of the lifting chain set, and the transmission chain 1342 is wound around the two transmission chain wheels 1343. Thus, the lifting motor 1341 is located outside the heating chamber 1, and transmits power to the lifting assembly 133 through two driving sprockets 1343 and a driving chain 1342.

Specifically, one of the driving sprockets 1343 is rotatably disposed outside the protrusion (equivalent to the outside of the vertical plate 1311), the other driving sprocket 1343 is located inside the heating box 1, the driving sprocket 1343 located inside the heating box 1 is rotatably disposed at the upper end of the outside of the vertical plate 1311, and the driving sprocket 1343 located inside the heating box 1 is fixedly connected to the first sprocket 1332. The power output from the lifting motor 1341 is finally transmitted to the first chain wheel 1332 via a driving chain wheel 1343 located in the heating box 1, thereby driving the first chain wheel 1332 to rotate.

In some embodiments, as shown in fig. 4, the upper and lower ends of the two support frames 131 are provided with a guide 1313, and the guide 1313 is used for guiding the circuit board to enter between the two support frames 131 or guiding the circuit board to discharge from between the two support frames 131. Pan feeding mechanism 2a and discharge mechanism 2b can't accomplish and support frame 131 seamless connection, and there is the clearance between pan feeding mechanism 2a and the carrier 132, also has the clearance between discharge mechanism 2b and the carrier 132, consequently sets up guide 1313 and can continue to guide the circuit board to advance in the clearance for the accurate pan feeding of circuit board or the ejection of compact.

In some embodiments, as shown in fig. 4 and 5, the stack further includes a chain tensioner 135, the chain tensioner 135 is disposed on the supporting frame 131, and the chain tensioner 135 is further connected to the conveying chain 1331 to tension the conveying chain 1331. The chain tensioning device 135 is provided to tension the conveyor chain 1331 to ensure that the conveyor chain 1331 maintains sufficient tension to avoid chain jumping and dropping.

In some embodiments, as shown in fig. 9, chain tensioner 135 includes a mounting base 1351, a slider 1352, and a tensioning adjustment assembly 1353, mounting base 1351 is configured to be coupled to support bracket 131, mounting base 1351 is disposed on support bracket 131 proximate to second sprocket 1333, mounting base 1351 is configured with a slide slot 13511 and a stop 13512, slide slot 13511 extends in a vertical direction, and stop 13512 is disposed at an end of slide slot 13511 proximate to first sprocket 1332. The sliding block 1352 is slidably disposed on the sliding groove 13511, and the second sprocket 1333 is disposed on the sliding block 1352. A tension adjustment assembly 1353 is disposed on the slider 1352, the tension adjustment assembly 1353 also abutting the stop 13512 to adjust the distance between the slider 1352 and the stop 13512. The position between the slide 1352 and the stop 13512 is adjusted by the tension adjustment assembly 1353, the slide 1352 slides along the chute 13511, and the position of the second sprocket 1333 changes, either closer to the first sprocket 1332 or farther from the first sprocket 1332, so that the tension of the conveyor chain 1331 changes.

Specifically, a mounting through hole is formed in a position of the vertical plate 1311 corresponding to the second sprocket 1333 or a position of the vertical plate 1311 close to the second sprocket 1333, the mounting seat 1351 is disposed outside the vertical plate 1311 and at the mounting through hole, the second sprocket 1333 is disposed inside the vertical plate 1311, and the second sprocket 1333 is rotatably disposed on the slider 1352, so that the position of the second sprocket 1333 can be adjusted by adjusting the slider 1352, thereby adjusting the tension of the conveying chain 1331.

In some embodiments, as shown in FIG. 9, slider 1352 has a through hole extending along the length of runner 13511, the through hole has internal threads, and tension adjustment assembly 1353 is threaded partially into the through hole and partially abuts stop 13512. The tension adjustment assembly 1353 of this embodiment is threaded into the through hole, and by rotating the tension adjustment assembly 1353 to change the position of the tension adjustment assembly 1353, the tension adjustment assembly 1353 abuts the stop 13512, changing the spacing between the slider 1352 and the stop 13512, and thereby adjusting the tension of the conveyor chain 1331.

Specifically, a first end of the through hole is distal from the stop 13512 and a second end of the through hole is proximal to the stop 13512, the first end of the through hole being provided with the aforementioned threads.

In some embodiments, as shown in fig. 9, tension adjustment assembly 1353 includes an adjustment screw 13531 and a bumper 13532, a portion of bumper 13532 extends into the second end of the throughbore, another portion of bumper 13532 abuts stop 13512, adjustment screw 13531 is threadably coupled to the first end of the throughbore, adjustment screw 13531 also abuts bumper 13532 to adjust the distance between slider 1352 and stop 13512. An adjustment screw 13531 is threadably engaged with the first end of the through hole, and by rotating the adjustment screw 13531, the position at which the adjustment screw 13531 extends into the through hole can be changed to abut against the bumper 13532, and the bumper 13532 abuts against the stop 13512, thereby adjusting the tension of the conveyor chain 1331. The buffer 13532 is located between the adjusting screw 13531 and the stopper 13512 and applies a pre-tightening force to the slider 1352 and the stopper 13512, so that on one hand, the problems that the tension of the transmission chain 1342 is too large and the running resistance of the lifting chain set is large due to excessive rotation of the adjusting screw 13531 can be avoided, and on the other hand, when the transmission chain 1342 is worn and has insufficient tension, the buffer 13532 can apply an acting force to the slider 1352 and the stopper 13512 to increase the tension of the transmission chain 1342.

Specifically, the dampener 13532 may be an elastic rubber or spring.

In some embodiments, as shown in fig. 9, the tension adjustment assembly 1353 further includes a slider 13533 slidably disposed at the second end of the through hole, with a portion of the slider 13533 abutting the adjustment screw 13531 and another portion connecting the bumper 13532. The dampener 13532 is a spring. The nominal diameter of the adjustment screw 13531 is smaller than the inner diameter of the spring, so that the adjustment screw 13531 easily penetrates into the spring and is difficult to directly abut against the spring. In this embodiment, the slider 13533 is disposed between the adjustment screw 13531 and the damper 13532, and the slider 13533 is disposed to directly abut against the damper 13532 instead of the adjustment screw 13531.

In some embodiments, as shown in fig. 9, the sliding member 13533 includes a connecting portion and a sliding portion connected to the connecting portion, the sliding portion is slidably disposed at the second end of the through hole, the sliding portion abuts against the adjusting screw 13531, and the connecting portion is connected to the buffer member 13532. The bumper 13532 in this embodiment is preferably a spring, and the connecting portion of the slider 13533 extends into the spring and the sliding portion is slidably engaged with the second end of the through hole, and the sliding portion is also abutted against the adjusting screw 13531, and the adjusting screw 13531 pushes the sliding portion to slide, and the connecting portion compresses the spring, thereby adjusting the distance between the slider 1352 and the stopper 13512.

In some embodiments, as shown in fig. 9, the chain tensioner 135 further comprises a lock nut 1354, the lock nut 1354 being threadably attached to the lock adjustment screw 13531. The lock nut 1354 is rotated so that the lock nut 1354 abuts the slider 1352, thereby locking the adjustment screw 13531 and placing the adjustment screw 13531 loose.

In some embodiments, as shown in fig. 9, a side of the stop 13512 facing the slider 1352 is provided with a detent for limiting the position of abutment of the tension adjustment assembly 1353. In this embodiment, by providing a detent to position an end of the tension adjustment assembly 1353 facing the stop 13512, the tension adjustment assembly 1353 is displaced when placed against the stop 13512.

Specifically, the locating portion is a locating hole into which an end of the tension adjustment assembly 1353 facing the stop 13512 extends, and more specifically, into which an end of the aforementioned bumper 13532 facing the stop 13512 extends. The positioning portion may also be a protrusion that is embedded in the inner diameter of the spring when the dampener 13532 is a spring; when the protrusion is made of elastic rubber, a concave portion is formed at one end of the elastic rubber facing the stopper 13512, and when the elastic rubber abuts against the stopper 13512, the protrusion is embedded into the concave portion.

In some embodiments, as shown in fig. 6, in the vertical heating furnace, the vertical tray 13 includes, in addition to the two stacks arranged side by side, a width adjusting assembly 136, and the width adjusting assembly 136 is connected to the two stacks to adjust the distance between the two stacks. The width adjusting component 136 adjusts the distance between the two material racks, so that the vertical material tray 13 can store circuit boards with different sizes, and the adaptability of the vertical heating furnace to the circuit boards with different sizes is improved.

In some embodiments, as shown in fig. 4 and 5, the width adjusting assembly 136 includes a rack guide mechanism 1361, an adjusting screw 1362 and an adjusting power mechanism 1363, wherein the two racks are slidably connected to the rack guide mechanism 1361 to guide at least one rack to slide, the adjusting power mechanism 1363 is drivingly connected to the adjusting screw 1362 to drive the adjusting screw 1362 to rotate, and the adjusting screw 1362 is threadedly connected to the rack slidable therein to adjust the distance between the two support frames 131. In this embodiment, one or two stacks are guided to slide by the stack guide mechanism 1361, the adjusting power mechanism 1363 drives the adjusting screw 1362 to rotate, the adjusting screw 1362 is in threaded connection with the stack which can slide therein, and the adjusting screw 1362 is in threaded fit with the stack which can slide to drive the slidable stack to slide, so that the distance between the two stacks is adjusted, and the circuit boards with different sizes are adapted.

In this embodiment, as shown in fig. 4 and 5, the adjusting screw 1362 can adjust one of the stacks to move, so as to adjust the distance between the two stacks. Also can adjust two work or material rest removals simultaneously to adjust the interval of two work or material rests. When the adjusting screw 1362 is in threaded connection with the two stacks, a plurality of adjusting screws 1362 can be arranged, wherein one part of the adjusting screws 1362 is in threaded connection with one of the stacks, the adjusting power mechanism 1363 drives the part of the adjusting screws 1362 to rotate positively, the other part of the adjusting screws 1362 is in threaded connection with the other stack, and the adjusting power mechanism 1363 drives the part of the adjusting screws 1362 to rotate negatively, so that the two stacks are adjusted to move simultaneously. Of course, when the adjusting screw 1362 is in threaded connection with the two stacks, one end of the adjusting screw 1362 can be provided with a positive thread, the other end of the adjusting screw 1362 is provided with a negative thread, one of the stacks is provided with a positive thread, the other stack is provided with a negative thread, one end of the adjusting screw 1362 with the positive thread is in threaded connection with the stack provided with the positive thread, and one end of the adjusting screw 1362 with the negative thread is in threaded connection with the stack provided with the negative thread, so that the two stacks are adjusted to move towards each other or away from each other simultaneously through the positive thread and the negative thread of the adjusting screw 1362.

In some embodiments, as shown in fig. 4 and 5, the adjusting power mechanism 1363 includes a second adjusting power element 13631, a third driving wheel 13632, a fourth driving wheel 13633 and a third winding element 13634, the second adjusting power element 13631 is connected to the third driving wheel 13632, the fourth driving wheel 13633 is disposed on the adjusting screw 1362, and the third winding element 13634 is disposed around the third driving wheel 13632 and the fourth driving wheel 13633. The second adjusting power member 13631 outputs power to the third transmission wheel 13632, and the third transmission wheel 13632 and the third winding member 13634 are transmitted to the fourth transmission wheel 13633, so as to drive the adjusting screw 1362 to rotate.

The second adjustment power member 13631 may be an electric or pneumatic motor or the like. The third wrapping member 13634 is a chain or belt.

In some embodiments, as shown in fig. 4 and 5, the number of adjustment screws 1362 is multiple, and other numbers of two, three, four, and more than four may be used. Each screw rod all with slidable work or material rest threaded connection. The adjusting power mechanism 1363 further includes a fourth winding member and a plurality of fifth transmission wheels, the number of the fifth transmission wheels is one-to-one corresponding to the number of the adjusting screws 1362, each fifth transmission wheel is disposed on the corresponding adjusting screw 1362, and the fourth winding member is wound on the fifth transmission wheel. A plurality of adjusting screws 1362 are arranged, when the number of the adjusting screws 1362 is four, two of the adjusting screws 1362 are connected with two ends of the transverse plate 1312 located above the material rest, and the other two adjusting screws 1362 are connected with two ends of the transverse plate 1312 located below the material rest. So, adjusting screw 1362 is connected with the four corners of support frame 131, can evenly drive slidable work or material rest, and gliding work or material rest atress is even, can the even migration.

The fourth winding member is a chain or a belt.

In some embodiments, as shown in fig. 4 and 5, the stack guiding mechanism 1361 includes a guiding rod 13611 and linear bearings 13612 disposed corresponding to the guiding rod 13611, the number of the guiding rods 13611 is one-to-one corresponding to the number of the adjusting screws 1362, the guiding rods 13611 are disposed in parallel with the corresponding adjusting screws 1362, the linear bearings 13612 are sleeved on the guiding rod 13611, the slidable stack is fixedly connected to the linear bearings 13612, and specifically, the transverse plates 1312 on the stack are connected to the linear bearings 13612. In this embodiment, the guide rod 13611 and the linear bearing 13612 are arranged to be in sliding fit with each other, so that the movement of the material rack is guided, and the movement stability of the material rack is improved.

For both stacks in the foregoing, preferably one is a stationary stack and the other is a slidable stack, with adjustment screw 1362 threaded with the sliding stack. Through adjusting screw 1362 drive slidable work or material rest removal, drive single work or material rest compare in two work or material rests of drive, and the range of regulation is controlled more easily, and drive connection mode is simpler.

In some embodiments, as shown in fig. 4, the stack guide mechanism 1361 further includes a fixing seat 13613 disposed corresponding to the guide bar 13611, the fixing seat 13613 is fixed on the guide bar 13611, and the fixing seat 13613 is further fixedly connected to the stationary stack.

In some embodiments, as shown in fig. 4, two stacks are disposed in the heating box 11, and two ends of the guide bar 13611 are respectively fixed to two opposite sidewalls of the heating box 11. Both ends of the adjusting screw 1362 are rotatably connected to the opposite sidewalls of the heating chamber 11, respectively. One end of the adjusting screw 1362 is rotatably connected to one side wall of the heating chamber 11, and the other end of the adjusting screw 1362 is rotatably connected to the other opposite side wall of the heating chamber 11. In this way, the adjustment screw 1362 is mounted by heating the case 11, and the adjustment screw 1362 is stably mounted.

One end of the guide bar 13611 is connected to one side wall of the heating chamber 11, and the other end of the guide bar 13611 is connected to the other opposite side wall of the heating chamber 11. Thus, the guide bar 13611 is installed by heating the housing 11, and the guide bar 13611 is stably installed.

Further, as shown in fig. 3 and 4, at least one end of the adjusting screw 1362 extends out of the heating box 11, and the fourth driving wheel 13633 is disposed on the portion of the adjusting screw 1362 extending out of the heating box 11. The adjusting power mechanism 1363 is also disposed outside the heating cabinet 11, and specifically, the adjusting power mechanism 1363 further includes a mounting plate, one end of the mounting plate is connected to the heating cabinet 11, the second adjusting power member 13631 is fixed to the other end of the mounting plate, and the third driving wheel 13632 is rotatably disposed on the mounting plate. The adjusting power mechanism 1363 is externally arranged outside the heating box body 11, so that the adjusting power mechanism 1363 is prevented from being influenced by the high-temperature environment in the heating box body 11.

Also, the second adjustment power member 13631 is an electric or pneumatic motor having a dimension along the output shaft direction that is much larger than its dimension perpendicular to the output shaft direction. The adjusting screw 1362 protrudes from the side wall of the heating cabinet 11 to the outside of the heating cabinet 11. As for the mounting plate, one end of the mounting plate is connected to the side wall of the heating cabinet 11, the other end of the mounting plate extends upward, the second adjusting power member 13631 is provided at a side surface of the mounting plate, specifically, a side surface near the geometric center of the heating cabinet 1, and the output shaft of the second adjusting power member 13631 passes through the mounting plate. When power member 13631 is adjusted to the second sets up on the lateral wall, the horizontal space that heating box 11 occupy enlarges, and when power member 13631 is adjusted to the second sets up in the side of aforementioned mounting panel, the vertical space that heating box 11 occupy enlarges, but vertical space enlarges the range and is less than horizontal space greatly and enlarges the range, has the little characteristics of occupation space.

In some embodiments, as shown in fig. 8, the hot air box 12 includes a hot air box body 121, a heater 122, and a fan 123. The inside of the hot air box 121 is provided with an air outlet cover 124, the air outlet cover 124 is located on one side of the hot air box 121 close to the heating zone (specifically, the vertical tray 13 located in the heating zone) of the heating box 11, and the air outlet cover 124 has an opening facing the heating zone (specifically, the vertical tray 13 located in the heating zone) and is used for sending hot air flow to the heating zone. The heater 122 is disposed in the hot air box 121 to heat air. The fan 123 is connected to the hot air box 121, and the impeller 1232 of the fan 123 is disposed in the hot air box 121 for sending the hot air in the hot air box 121 to the air outlet cover 124. In the present embodiment, the hot air box 12 supplies hot air to the heating box 11, specifically, in the hot air box 121, the heater 122 heats air, the fan 123 sends the hot air into the air outlet cover 124, and the air outlet cover 124 faces the heating zone, thereby supplying the hot air to the heating zone in the heating box 11. In this embodiment, the air outlet cover 124 is arranged to enlarge the air outlet cross section, and the hot air flow is diffused again after coming out from the air outlet cover 124, so that the vertical tray 13 can uniformly receive the hot air flow, the temperature balance of each position of the vertical tray 13 is maintained, each position of the vertical tray 13 can be maintained within a predetermined heating temperature range, and each circuit board in the vertical tray 13 can be uniformly heated.

In some embodiments, as shown in fig. 8, an air outlet plate 1211 is disposed on a side of the hot air box 121 near the heating zone, a plurality of air outlet holes are uniformly distributed on the air outlet plate 1211, an opening of the air outlet cover 124 faces the air outlet plate 1211, and the air outlet cover 124 is connected to the air outlet plate 1211. After the hot air flows out of the air outlet cover 124, although the air outlet area is enlarged, the flow rates of the hot air at different positions are different, and the hot air flows received at different positions on the vertical tray 13 are different. A buffer space is formed between the air outlet plate 1211 and the air outlet cover 124, hot air flows out of the air outlet cover 124, the hot air is buffered by the buffer space and flows out of the air outlet holes, the air outlet speed of each air outlet hole is the same or similar, and therefore the hot air flow received by different positions on the vertical tray 13 is more balanced.

Specifically, the outlet hood 124 includes a back panel and a plurality of surrounding panels, the back panel is disposed parallel to the outlet panel 1211, one side edge of each surrounding panel is connected to the edge of the back panel, and the surrounding panels are connected end to end.

In some embodiments, as shown in fig. 8, the hot air box 12 further includes a guiding member connected to the outlet housing 124, the guiding member is provided with an air inlet and an air outlet, the air inlet is located in the hot air box body 121, the air inlet faces the heater 122, the air outlet is located at a position of the guiding member connected to the outlet housing 124, the air outlet communicates with the space in the outlet housing 124, and the impeller 1232 is disposed in the guiding member. Under the action of the impeller 1232, hot air is pumped into the air suction opening, flows through the air discharge opening, is discharged into the air outlet cover 124, and finally flows to the heating area. After the hot air flow is guided through the air outlet housing 124 by the flow guiding member, a hot air flow circulating flow is formed.

Specifically, the flow guiding member is a volute 125, the impeller 1232 is disposed in the volute 125, an air outlet duct 1251 is disposed on the volute 125, and the air outlet duct 1251 is connected to the air outlet housing 124.

More specifically, the air outlet housings 124 are arranged in one-to-one correspondence with the air outlet ducts 1251, two air outlet ducts 1251 are arranged on the volute 125, and the two air outlet ducts 1251 extend towards two sides respectively and are connected with the corresponding air outlet housings 124. In this embodiment, the air outlet duct 1251 and the air outlet housing 124 are added to expand the cross section of the two hot air flows, and slow down the flow rate of the hot air flows, so that the flow rate of the hot air flows through the air outlet holes is more balanced.

In some embodiments, to prevent the hot air flow from the guiding member from directly rushing to the air outlet 1211, a wind shielding plate is disposed in the air outlet cover 124, and the wind shielding plate is located at the air outlet for blocking the hot air flow and changing the direction of the hot air flow, so as to prevent the hot air flow from directly rushing to the air outlet 1211. The deep bead is just to the air exit particularly, and the deep bead need not too big at the size, can shelter from the air exit can.

In some embodiments, as shown in fig. 8, the hot air box 12 further includes a return air duct 126, one end of the return air duct 126 extends to the heating area, the other end of the return air duct 126 is connected to the hot air box 121, and the return air duct 126 communicates with the space inside the hot air box 121. The heating box 1 is provided with an air outlet path and an air return path, wherein the air outlet path is positioned at the heater 122 of the hot air box 12 at the initial position, the heater 122 heats air to form hot air flow, and the hot air flow enters the flow guide piece from the air suction opening of the flow guide piece, enters the air outlet cover 124 from the air outlet and enters the heating zone through the air outlet hole on the air outlet plate 1211; the starting point of the return air path is a heating area, the hot air flow heats the circuit board, the temperature is reduced to become a cooling air flow, and the cooling air flow flows back to the hot air box 12 from the heating area through the return air pipe 126. The cooling air flow is the air flow after heating the circuit board, although the temperature is lower than the hot air flow, still is higher than normal atmospheric temperature air, and the air forms the circulation of air current through air-out route and return air route, can reuse the cooling air flow after heating the circuit board, improves energy utilization and rate, reduces power consumption.

In some embodiments, as shown in fig. 8, the blower 123 further includes a blowing motor 1231, the blowing motor 1231 is disposed outside the heating box 11, an output shaft of the blowing motor 1231 extends into the hot air box 12, and the blowing motor 1231 is connected to the impeller 1232 to drive the impeller 1232 to rotate. The air supply motor 1231 is arranged outside the heating box body 11, so that the air supply motor 1231 is prevented from being influenced by the internal high-temperature environment.

In some embodiments, as shown in fig. 8, the number of the hot air boxes 12 is at least two, and each hot air box 12 is uniformly distributed in the non-heating area, and the number of the hot air boxes 12 is increased, so that the hot air flow received by different positions of the vertical tray 13 is more balanced.

In some embodiments, the feeding mechanism 2a includes a feeding conveyor assembly and a feeding pusher assembly, and the feeding conveyor assembly is used for conveying the circuit boards to a position close to the vertical tray 13. The feeding pushing assembly part extends into one side of the circuit board close to the feeding port 11a and is used for pushing the circuit board into the vertical material tray 13.

In some embodiments, the discharging mechanism 2b includes a discharging pushing assembly and a discharging conveying assembly, and the discharging pushing assembly partially extends into a side of the circuit board far away from the discharging port 11b for pushing the circuit board out of the vertical tray 13. The discharge conveying assembly is used for conveying circuit boards pushed out from the vertical tray 13.

In some embodiments, as shown in fig. 4 and 5, the feeding mechanism 2a and the discharging mechanism 2b may be configured as the pushing mechanism 2, and the feeding mechanism 2a and the discharging mechanism 2b are different in the position where the second conveying assembly 231 extends into the heating box 1. The pushing mechanism 2 comprises two first transmission assemblies 21, a transmission power mechanism 22, a pushing assembly 23 and a pushing power mechanism 24.

Specifically, as shown in fig. 4 and 5, two first conveying assemblies 21 are arranged side by side at intervals, and the two first conveying assemblies 21 extend to an external device (when the pushing mechanism 2 is used for feeding or discharging materials, and when the pushing mechanism 2 is used in a vertical heating furnace, the external device is the heating box 1, and the external device is hereinafter referred to as the heating box 1 as an example), specifically to an inlet or an outlet of the heating box 11, and are used for conveying circuit boards to the inlet or conveying circuit boards out of the heating box 1 from the outlet. And a transmission power mechanism 22 connected to the two first transmission assemblies 21 for driving the two first transmission assemblies 21 to transmit the circuit board. The pushing assembly 23 includes a second conveying assembly 231 and a pushing block 232, the second conveying assembly 231 is disposed between the two first conveying assemblies 21, the second conveying assembly 231 extends into the heating box 1, and the pushing block 232 is fixed on the second conveying assembly 231 and is used for pushing the circuit board from the two first conveying assemblies 21 into the heating box 1 or pushing the circuit board in the heating box 1 into the two first conveying assemblies 21. The pushing power mechanism 24 is connected to the second conveying assembly 231 to drive the pushing block 232 to move. The pushing mechanism 2 and the heating box 1 have a gap therebetween, the gap is located at an exit or an entrance of the heating box 11, and the feeding or the discharging of the circuit board into or out of the heating box 1 includes two transferring actions, one is the transferring from the pushing mechanism 2 to the gap, and the other is the transferring from the gap to the storage position. The transfer of the circuit boards from the pusher 2 to the storage position is completed by the cooperation of the first transfer assembly 21 and the second transfer assembly 231.

The second transfer unit 231 is inserted into the heating chamber 1, and specifically, with respect to the feeding mechanism 2a, the second transfer unit 231 is extended to a side of the circuit board storage position near the entrance. The two first conveying assemblies 21 convey the circuit boards to the gap, and the pushing block 232 is driven by the second conveying assembly 231, so that the side of the circuit board far away from the storage position pushes the circuit board to move to the circuit board storage position.

With respect to the discharging mechanism 2b, the second transfer unit 231 extends to a side of the circuit board storage position away from the outlet. The second conveying assembly 231 of the pushing block 232 pushes the circuit board to move to the gap from the side of the circuit board far from the outlet, that is, to the outlet of the heating box 11, when the circuit board is conveyed to the gap, a part of the circuit board is located on the two first conveying assemblies 21, and the two first conveying assemblies 21 convey the circuit, so that the circuit board is completely conveyed from the gap to the first conveying assemblies 21.

In some embodiments, as shown in fig. 4 and 5, the pushing mechanism 2 further includes a pushing box 25, and the conveying power mechanism 22 and the pushing power mechanism 24 are disposed outside the pushing box 25. A part of the transmission power mechanism 22 extends into the material pushing box 25, and the part of the transmission power mechanism 22 extending into the material pushing box 25 is connected with the two first transmission assemblies 21 to drive the first transmission assemblies 21 to transmit the circuit boards. One part of the material pushing power mechanism 24 extends into the material pushing box 25, and the part of the material pushing power mechanism 24 extending into the material pushing box 25 is connected with the second conveying assembly 231 to drive the pushing block 232 to move. The material pushing mechanism 2 is close to the inlet and the outlet of the heating box 1, and hot air flow is easy to leak out, so that the environmental temperature in the material pushing mechanism 2 is increased. The part of the transmission power mechanism 22 extending into the material pushing box 25 is used for driving the first transmission assembly 21 to transmit the circuit board, the part of the material pushing power mechanism 24 extending into the material pushing box 25 drives the second transmission assembly 231 to drive the push block 232 to move, namely, the part of the transmission power mechanism 22 extending into the material pushing box 25 and the part of the material pushing power mechanism 24 extending into the material pushing box 25 are power transmission structures, and the power element of the transmission power mechanism 22 and the power element of the material pushing power mechanism 24 are still positioned outside the material pushing box 25, so that the power element of the transmission power mechanism 22 and the power element of the material pushing power mechanism 24 can be ensured to be prevented from being influenced by the ambient temperature in the material pushing mechanism 2, and the stable operation of the transmission power mechanism 22 and the material pushing power mechanism 24 is ensured.

In some embodiments, as shown in fig. 4 and 5, the first transmission assembly 21 includes a transmission bracket 211, a first winding member 212 and at least two first transmission wheels 213, the two first transmission wheels 213 are respectively disposed at two ends of the transmission bracket 211, and the first winding member 212 is wound around the two first transmission wheels 213. The transmission power mechanism 22 is in driving connection with the first winding member 212 to drive the first winding member 212 to move. The first winding member 212 carries the circuit board, and the transmission power mechanism 22 drives the first winding member 212 to move, so as to drive the first winding member 212 to move, and further drive the circuit board to move.

In some embodiments, as shown in fig. 4 and 5, the conveying power mechanism 22 includes a conveying motor 221 and a conveying transmission rod 222, the conveying motor 221 is disposed outside the material pushing box 25, one end of the conveying transmission rod 222 is connected to the conveying motor 221, and the other end of the conveying transmission rod 222 is connected to at least one first conveying assembly 21 to drive the first conveying assembly 21 to convey the circuit board. Or the conveying power mechanism 22 includes two conveying motors 221 and two conveying transmission rods 222 corresponding to the conveying motors 221 one by one, the two conveying motors 221 are disposed outside the material pushing box 25, the two conveying transmission rods 222 are disposed corresponding to the two first conveying assemblies 21 one by one, and each conveying motor 221 is connected to the corresponding first conveying assembly 21 through the corresponding conveying transmission rod 222 to drive the first conveying assembly 21 to convey the circuit board.

Specifically, the first winding member 212 is a chain or a belt.

In some embodiments, as shown in fig. 4 and 5, the second conveying assembly 231 includes a material pushing bracket 2311, a second winding member 2312 and at least two second driving wheels 2313, each second driving wheel 2313 is disposed on the material pushing bracket 2311, one of the second driving wheels 2313 is disposed at one end of the material pushing bracket 2311, the other second driving wheel 2313 is disposed at the other end of the material pushing bracket 2311, the second winding member 2312 is wound on the second driving wheel 2313, and the material pushing power mechanism 24 is connected with one of the second driving wheels 2313 to drive the second winding member 2312 to move.

The push block 232 is fixed to the second winding member 2312. The pushing power mechanism 24 is drivingly connected to the second winding member 2312 to drive the second winding member 2312 to move.

In some embodiments, as shown in fig. 4 and 5, the pushing power mechanism 24 includes a pushing motor 241 and a pushing transmission rod 242, the pushing motor 241 is disposed outside the pushing box 25, one end of the pushing transmission rod 242 is connected to the pushing motor 241, and the other end of the pushing transmission rod 242 is connected to the second conveying assembly 231 to drive the pushing block 232 to move.

Specifically, the second winding member 2312 is a chain or a belt.

In some embodiments, the pushing mechanism 2 further comprises a transfer adjustment assembly 26 for adjusting the width of the two first transfer assemblies 21.

In some embodiments, as shown in fig. 4 and 5, the transmission adjusting assembly 26 includes a first adjusting power element 261, a first lead screw 262, a second lead screw 263 and an adjusting transmission mechanism 264, the first lead screw 262 and the second lead screw 263 are arranged side by side, one end of the first lead screw 262 is connected to the first adjusting power element 261, the other end of the first lead screw 262 is connected to the second lead screw 263 through the adjusting transmission mechanism 264, the first lead screw 262 is further connected to one of the first transmission assemblies 21 to drive the first transmission assembly 21 to move, and the second lead screw 263 is connected to the second transmission assembly 231 to drive the second transmission assembly 231 to move.

In some embodiments, the transport adjustment assembly 26 further comprises a guide assembly including at least one adjustment guide rod extending in an axial direction of the lead screw. The two first transmission components 21 are slidably sleeved on the adjusting guide rod.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A vertical lifting material tray is characterized by comprising two material racks arranged side by side, wherein each material rack comprises a support frame, a lifting power assembly, a lifting assembly and a plurality of bearing pieces, the lifting assembly is arranged on the support frame along the two height directions of the support frame, the bearing pieces are arranged on the lifting assembly, the lifting power assembly is arranged on the support frame, and the lifting power assembly is connected with the lifting assembly to drive the bearing pieces to do lifting motion;

the two bearing parts on the two support frames at the same height bear the left side and the right side of the material.

2. The vertical lifting tray according to claim 1, wherein the lifting assembly comprises a lifting chain set, the lifting chain set comprises a conveying chain, a first chain wheel and a second chain wheel, one of the first chain wheel and the second chain wheel is arranged at the upper end of the support frame, the other of the first chain wheel and the second chain wheel is arranged at the lower end of the support frame, the conveying chain is wound on the first chain wheel and the second chain wheel, and the lifting power assembly is connected with the first chain wheel to drive the first chain wheel to rotate;

the bearing parts on the supporting frame are fixed on the conveying chain at intervals along the length direction of the conveying chain.

3. The vertical lifting tray according to claim 2, wherein the number of the lifting chain sets is two, two lifting chain sets are respectively arranged on two sides of the support frame, two first chain wheels are respectively arranged on two sides of the upper end of the support frame, and two second chain wheels are respectively arranged on two sides of the lower end of the support frame, or two first chain wheels are respectively arranged on two sides of the lower end of the support frame, and two second chain wheels are respectively arranged on two sides of the upper end of the support frame;

the lifting assembly further comprises a synchronous roller shaft, two ends of the synchronous roller shaft are respectively connected with the two first chain wheels, or two ends of the synchronous roller shaft are respectively connected with the two second chain wheels;

the bearing parts are in a long strip shape, and two ends of each bearing part are respectively fixed on the two corresponding conveying chains of the lifting assembly.

4. The vertical lifting tray according to claim 1, wherein the supporting frame comprises two vertical plates and two transverse plates, the two vertical plates and the two transverse plates are arranged in parallel, the two vertical plates and the two transverse plates are connected into a frame shape, and the lifting component is arranged on the vertical plates.

5. The vertical lifting tray according to claim 1, wherein the vertical lifting tray is arranged in a heating box body, and a protruding part extending out of the heating box body is arranged on the supporting frame;

the lifting power assembly is arranged on the protruding portion, one part of the lifting power assembly extends into the heating box body, and the part of the lifting power assembly extending into the heating box body is connected with the lifting assembly to drive the lifting assembly to move and drive the bearing piece to lift.

6. The vertical lifting tray according to claim 5, wherein the lifting power assembly comprises a lifting motor, a transmission chain and two transmission chain wheels, the lifting motor is disposed on the protrusion, the lifting motor is further connected with one of the transmission chain wheels, the other transmission chain wheel is disposed in the heating box body and connected with the lifting assembly, and the transmission chain is wound on the two transmission chain wheels.

7. The vertical lifting tray according to claim 1, wherein the two support frames are provided with guides at the upper and lower ends thereof, and the guides are used for guiding materials to enter between the two support frames or guiding materials to be discharged from between the two support frames.

8. The vertical lifting tray according to claim 2 or 3, wherein the rack further comprises a chain tensioner, the chain tensioner is arranged on the support frame, and the chain tensioner is further connected with the conveyor chain to tension the chain.

9. The vertical lifting tray according to claim 8, wherein the chain tensioning device comprises a mounting seat, a sliding block and a tensioning adjusting assembly, the mounting seat is arranged on the support frame at a position close to the second chain wheel, the mounting seat is provided with a sliding groove and a stop block, the sliding groove extends in the vertical direction, the stop block is arranged at one end of the sliding groove close to the first chain wheel, the sliding block is arranged on the sliding groove in a sliding manner and used for mounting the second chain wheel, the tensioning adjusting assembly is arranged on the sliding block, and the tensioning adjusting assembly is further abutted against the stop block to adjust the distance between the sliding block and the stop block.

10. The vertical lifting tray according to claim 9, wherein the sliding block is provided with a through hole extending along the length direction of the sliding chute, a first end of the through hole is far away from the stopper, a second end of the through hole is close to the stopper, and the first end of the through hole is provided with a thread;

tensioning adjusting part includes adjusting screw and buffer, part of bolster stretches into the first end of through-hole, another part butt of bolster the dog, adjusting screw threaded connection in the first end of through-hole, adjusting screw still butt the bolster is in order to adjust the slider with distance between the dog.

Images