CN117000918A - Precast pile framework machining equipment and machining process - Google Patents

Abstract

A precast pile skeleton processing device and a precast pile skeleton processing technology comprise: the conveying belt is used for conveying the tray, and a processing station is preset on the conveying belt; the feeding bearing device is arranged near the feeding position of one end of the conveying belt and is used for bearing and feeding the tray and transferring the fed tray to the feeding position of the conveying belt, and a coaxial positioning frame is arranged on the surface of the tray; and the positioning device is arranged at the processing station of the conveying belt and used for positioning the tray at the processing station. The application can automatically transmit the end plate, can replace the manual carrying head end plate and the tail end plate, and saves the physical strength; after the head end plate and the tail end plate are coaxially aligned, the main rib is penetrated from the coaxially aligned head end plate and tail end plate at one time, so that the rib penetrating and heading operations can be conveniently performed manually, and the working efficiency is improved; the assembly position deviation can not appear, and the assembly precision is high. The head end plates and the tail end plates with different sizes can be installed by using one set of equipment, so that the application is applicable to various manual auxiliary rib penetrating modes, and improves the universality of the production line.

Description

Precast pile framework machining equipment and machining process

Technical Field

The application relates to the field of production of building precast piles, in particular to precast pile skeleton processing equipment and a precast pile skeleton processing technology.

Background

In the building concrete precast pile industry, two ends of the concrete precast pile are usually provided with end plates, and after the end plates are assembled with steel bars, the end plates and the steel bars are welded into a firm whole, so that a framework structure of the precast pile can be formed. In the assembly process, the main reinforcement needs to be manually connected with the end plate and straightened, namely, the head end plate, the tail end plate and the main reinforcement need to be integrally tensioned after being locked.

In the batch production process, different end plates are required to be manually carried for many times, so that the labor is wasted; the head end plates and the tail end plates at the two ends of the main rib are difficult to coaxially align, the main rib is required to be connected with the head end plate and then connected with the tail end plate at the other end, the complexity of the installation operation of the main rib is increased, the main rib is required to be respectively adjusted to align with the installation holes of the two end plates, the assembly position is easy to deviate, and the accuracy is poor; different positioning devices and adjustment and installation modes are needed to be prepared for products of different models, so that the production cost is high and the operation is troublesome.

Content of the application

In view of the foregoing, it is desirable to provide a precast pile skeleton processing apparatus and a precast pile skeleton processing process, which address at least some of the above problems.

A precast pile skeleton processing apparatus, comprising:

the conveying belt is used for conveying the tray, and a processing station is preset on the conveying belt;

the feeding bearing device is arranged near the feeding position of one end of the conveying belt and is used for bearing and feeding the tray and transferring the fed tray to the feeding position of the conveying belt, and a coaxial positioning frame is arranged on the surface of the tray;

and the positioning device is arranged at the processing station of the conveying belt and used for positioning the tray at the processing station.

In some embodiments, the processing stations include a lacing upsetting station and a welding station spaced apart along the length of the conveyor belt.

In some embodiments, the conveyor belt comprises a processing conveyor belt and a reflow conveyor belt side by side, the processing stations being provided on the processing conveyor belt;

precast pile skeleton processing equipment still includes:

the first lifting transfer machine is arranged between the feeding device and the feeding position of the conveying belt and used for lifting and receiving the tray transmitted by the feeding device and transferring the tray to the processing conveying belt, and the lifting transfer machine is used for descending and receiving the empty tray returned by the reflux conveying belt;

and the second lifting transfer machine is arranged at the discharging position at the other end of the conveying belt and used for lifting and bearing the empty tray transmitted by the processing conveying belt and transferring the empty tray downwards to the reflux conveying belt.

In some embodiments, the first and second elevating conveyers each comprise:

a main frame;

the transfer frame is connected with the conveying belt and used for driving the tray to move between the transfer frame and the conveying belt; and the lifting cylinder is connected with the transfer frame to drive the transfer frame to move up and down in the main frame.

In some embodiments, the coaxial spacer comprises:

the two groups of support frames are arranged on the upper surface of the supporting plate at intervals along the first direction, each group of support frames comprises two support columns with the same height, the two support columns are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.

In some embodiments, each group of the supporting frames further comprises two positioning rollers which are respectively arranged at the upper ends of the supporting columns, and positioning clamping grooves are circumferentially arranged on the surfaces of the positioning rollers and are used for clamping the edges of the end plates; and the axis extending direction of each positioning roller is parallel to the sequential arrangement direction of the two groups of supporting frames.

In some embodiments, the loading bearing device comprises:

the rotating shaft of the rotary feeding table is perpendicular to the upper surface of the rotary feeding table and is used for bearing the tray and rotating to feed materials at different angles;

and the transfer mechanism is arranged on the rotary feeding table and used for transferring the fed tray to the feeding position of the conveying belt.

In some embodiments, the loading bearing device further comprises:

the lifting positioning rod is arranged on the upper surface of the rotary feeding table and is matched with the bottom of the tray in a shape, and is used for positioning the tray placed on the rotary feeding table in a lifting state.

In some embodiments, the positioning device comprises:

the first positioning clamping piece and the second positioning clamping piece comprise an upper clamping block and a lower clamping block which are matched and clamped in shape, the upper clamping block is arranged on the lower surface of the tray, and the lower clamping block is arranged on the upper surface of the positioning device; the first positioning clamping piece is perpendicular to the length direction of the clamping block of the second positioning clamping piece.

A precast pile skeleton processing technology comprises the following steps:

the operation tray is placed on the surface of the loading bearing device, and the paired head end plates and tail end plates are loaded on the coaxial positioning frames on the tray;

operating a loading bearing device to transfer the loaded tray to the loading position of the conveyor belt, and then conveying the tray to each processing station by the conveyor belt, and accurately positioning by a positioning device arranged at the processing station;

and (3) operating the main rib on a processing station to pass through the coaxially aligned head end plate and the coaxially aligned tail end plate at one time, upsetting the head, and welding the joint to form the precast pile framework.

The precast pile skeleton processing equipment and the precast pile skeleton processing technology have at least the following beneficial technical effects:

(1) The application can automatically transmit the end plate, can replace the manual carrying head end plate and the tail end plate, and saves the physical strength;

(2) Simultaneously, the application can effectively coaxially position the head end plate and the tail end plate, the main rib can pass through the coaxially aligned head end plate and the tail end plate at one time after the head end plate and the tail end plate are coaxially aligned, and the head end plate and the tail end plate are respectively locked with the main rib by screws, so that the operations of threading the rib and upsetting the head are convenient to manually operate, the main rib does not need to pass through the head end plate to be connected and then pass through the tail end plate to be connected, the operation procedures are reduced, and the working efficiency is improved; and like this coaxial assembly does not need to adjust the alignment of the mounting hole of main muscle and two end plates respectively to can not appear assembling position deviation, assembly accuracy is higher.

(3) The head end plate and the tail end plate with different sizes can be installed by using one set of equipment, the application can be suitable for various manual auxiliary rib penetrating modes, has strong applicability, improves the universality of the production line, does not need to prepare positioning equipment with different models and sizes, and has low production cost and easier operation.

Drawings

FIG. 1 is a schematic diagram of a precast pile skeleton processing apparatus according to an embodiment of the present application;

FIG. 2 is a schematic view of the conveyor belt of FIG. 1 in combination with a positioning device;

FIG. 3 is a schematic illustration of the placement of the tailstock of FIG. 2;

FIG. 4 is a schematic view of the lift and transfer machine of FIG. 1;

FIG. 5 is a lifting schematic of the lifting transporter of FIG. 4;

FIG. 6 is a schematic view of the coaxial spacer feeding the head and tail end plates onto the tray;

FIG. 7 is a perspective view of FIG. 6;

FIG. 8 is a schematic view of the loading bearing device in FIG. 1;

FIG. 9 is a schematic view of the positioning device on the conveyor belt of FIG. 2 mated with a positioning tray;

FIG. 10 is a schematic view of a preformed pile skeleton processed by the processing apparatus of FIG. 1;

FIG. 11 is a left side view of FIG. 10;

in the figure, a head end plate; b. a tail end plate; c. a main rib;

10. a tray; 11. a coaxial positioning rack; 110. a support frame; 111. a support column; 112. positioning rollers; 112a, positioning clamping grooves;

1. a conveyor belt; 1-1, a bar penetrating and heading station; 1-2, a welding station; 1a, processing a transmission belt; 1b, a reflux transmission belt;

2. a loading bearing device; 210. a feeding table is rotated; 220. a transfer mechanism; 231. a motor; 232. a gear; 233. a gear ring; 240. lifting the positioning rod;

3. a positioning device; 310. a first positioning clip; 320. the second positioning clamping piece;

4a, a first lifting transporter; 4b, a second lifting transporter;

410. a main frame; 420. a transfer rack; 430. lifting cylinder.

Detailed Description

The application is further described below with reference to the accompanying drawings.

In order that the application may be readily understood, various embodiments of the application defined by the claims will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings, which contain various specific details to aid in this understanding, but these details should be regarded as merely exemplary. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Accordingly, one of ordinary skill in the art will recognize that variations and modifications can be made to the various embodiments described herein without departing from the scope of the application as defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims.

Throughout the description and claims of this specification, the words "comprise" and "include" and variations of the words, such as "comprising" and "including", mean "including but not limited to", without intending to (and without) exclude other elements, integers or steps. Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the application are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.

It should be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. The terms "comprises," "comprising," and/or "including" as used in this specification are intended to specify the presence of stated features, operations, or elements, but are not intended to limit the presence of one or more other features, operations, and/or elements. Furthermore, in the present disclosure, the terms "comprises" and/or "comprising," are intended to denote the presence of the characteristics, quantity, operation, elements, and components disclosed in the application, or combinations thereof. Thus, the terms "comprising" and/or "having" should be understood to mean that there are additional possibilities of one or more other features, quantities, operations, elements, and components, or combinations thereof.

In the present application, the expression "or" includes any or all combinations of words listed together. For example, "a or B" may contain a or B, or may contain both a and B.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present.

The terms "upper", "lower", "left", "right", and the like are used herein only to denote relative positional relationships, which may be changed when the absolute position of the object to be described is changed.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and this specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, in an embodiment of the present application, there is provided a precast pile skeleton processing apparatus including:

the conveying belt 1 is used for conveying the tray 10, and a processing station is preset on the conveying belt 1;

the feeding bearing device 2 is arranged near the feeding position of one end of the conveyor belt 1 and is used for bearing the tray 10 and feeding and transferring the fed tray 10 to the feeding position of the conveyor belt 1, and a coaxial positioning frame 11 is arranged on the surface of the tray 10;

and the positioning device 3 is arranged at a processing station of the conveyor belt 1 and is used for positioning the tray 10 at the processing station.

Specifically, placing the tray 10 on the surface of the loading bearing device 2, and operating the robot to load the paired head end plate a and tail end plate b onto the coaxial positioning frame 11 on the tray 10; the feeding bearing device 2 transfers the fed tray 10 to the feeding position of the conveying belt 1, the conveying belt 1 is further used for conveying the tray to each processing station, after the positioning device 3 installed at the processing station is used for accurately positioning the tray, corresponding processing actions such as operating the main rib c to pass through the coaxially aligned head end plate a and the tail end plate b at one time on the processing station and to be fastened by bolts for upsetting, so that a precast pile framework as shown in fig. 10 and 11 is formed, and the joint is further welded to form a finished product.

The application can automatically transmit the end plate, can replace the manual carrying head end plate a and the tail end plate b, and saves the physical strength;

simultaneously, the head end plate a and the tail end plate b can be effectively coaxially positioned, the main rib c passes through the coaxially aligned head end plate a and the coaxially aligned tail end plate b at one time after the head end plate a and the coaxially aligned tail end plate b are coaxially aligned, and the head end plate a and the tail end plate b are respectively locked with the main rib c by screws, so that the operation of threading and upsetting the rib is convenient to manually perform, the main rib c does not need to pass through the head end plate a to be connected and then pass through the tail end plate b to be connected, the operation procedures are reduced, and the working efficiency is improved; and like this coaxial assembly does not need to adjust main muscle c respectively and aligns with the mounting hole of two end plates to the assembly position deviation can not appear, and assembly accuracy is higher.

The head end plate b with various different sizes and types can be installed by using one set of equipment, various manual auxiliary threading modes can be applied, the applicability is strong, the universality of the production line is improved, positioning equipment with different models and sizes is not required to be prepared, the production cost is low, and the operation is easier.

Referring to fig. 3, in some embodiments, the processing stations include a lacing upsetting station 1-1 and a welding station 1-2 spaced apart along the length of the conveyor belt 1.

Specifically, two processes can be performed at two processing stations respectively: the bar-penetrating upsetting station 1-1 operates the main bar c to penetrate through the coaxially aligned head end plate a and tail end plate b at one time and fasten the main bar c by bolts to form a skeleton of the precast pile; and further welding the joint of the framework at the welding station 1-2 to form a finished product. Of course, after the rib-piercing heading station 1-1 is assembled to form the skeleton, the skeleton arriving at the welding station 1-2 may be integrally transferred to a nearby welding machine for welding, without limitation.

Referring to fig. 2, in some embodiments, the conveyor 1 includes a processing conveyor 1a and a reflow conveyor 1b arranged side by side, and the processing station is provided on the processing conveyor 1a;

precast pile skeleton processing equipment still includes:

the first lifting and transferring machine 4a is arranged between the feeding device and the feeding position of the conveying belt 1 and is used for lifting and receiving the tray 10 transmitted by the feeding device and transferring the tray 10 to the processing conveying belt 1a, and the lifting and transferring machine is used for descending and receiving the empty tray 10 returned by the reflow conveying belt 1 b;

and a second lifting and transferring machine 4b, which is arranged at the discharging position at the other end of the conveying belt 1 and is used for lifting and receiving the empty tray 10 transferred by the processing conveying belt 1a and transferring the empty tray 10 downwards to the reflow conveying belt 1b.

Specifically, after the tray 10 on the surface of the loading bearing device 2 is loaded, the first lifting transporter 4a is lifted upwards to be at the same height as the loading bearing device 2; the loaded tray 10 is conveyed into a first lifting transporter 4a by the loading bearing device 2; the first lifting and transferring machine 4a carries the loaded trays 10 to the processing conveyor belt 1a, then the first lifting and transferring machine 4a descends to the height of the reflow conveyor belt 1b, and receives the empty trays 10 returned by the reflow conveyor belt 1 b;

after the head end plate a and the tail end plate b on the tray 10 are assembled with the main rib c and transferred away from the processing conveyor belt 1a, the tray 10 is in an empty load state, and the second lifting and transferring machine 4b lifts and receives the empty tray 10 transferred from the processing conveyor belt 1a and then descends to be at the same height as the reflow conveyor belt 1b, so that the empty tray 10 is transferred to the reflow conveyor belt 1b and returned to the end where the first lifting and transferring machine 4a is located.

According to the embodiment, the processing conveyor belt 1a, the reflow conveyor belt 1b and the first lifting transfer machine 4a and the second lifting transfer machine 4b on the two sides are arranged side by side up and down, so that automatic transmission and cyclic transfer of the tray 10 can be realized, the empty tray 10 after processing is carried to the upper material level by using manual work or other equipment, and the physical strength and the processing time are saved.

Referring to fig. 4 and 5, in some embodiments, the first lifting transporter 4a and the second lifting transporter 4b respectively include:

a main frame 410;

a transfer frame 420 connected to the conveyor belt 1 for driving the tray 10 to move between the transfer frame 420 and the conveyor belt 1;

and a lifting cylinder 430 connected to the transfer frame 420 to drive the transfer frame 420 to move up and down within the main frame 410.

Specifically, taking the first lifting transporter 4a as an example, after the tray 10 on the surface of the loading bearing device 2 is loaded, the transporting frame 420 of the first lifting transporter 4a is driven by the lifting cylinder 430 to lift upwards to be at the same height as the loading bearing device 2; the loaded tray 10 is conveyed by the loading bearing device 2 into a transferring frame 420 of the first lifting and lowering transferring machine 4a; the transfer rack 420 carries the loaded trays 10 to the processing conveyor 1a, and then the transfer rack 420 descends to the height of the reflow conveyor 1b under the action of the lifting cylinder 430, and receives the empty trays 10 returned by the reflow conveyor 1b.

The structure of this embodiment is succinct, and the drive mode is high-efficient, can drive the transportation frame 420 to reciprocate fast, and the quick drive tray 10 is in transportation frame 420 and conveyer belt 1 between remove, is favorable to promoting production efficiency.

The transport frame 420 may be, for example, a roller type or belt type conveyor belt, which is not limited herein.

Referring to fig. 6 and 7, in some embodiments, the coaxial positioning frame 11 includes:

the two groups of support frames 110 are arranged on the upper surface of the supporting plate at intervals along the first direction, each group of support frames 110 comprises two support columns 111 with the same height, the two support columns 111 are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.

Specifically, the two support columns 111 of the support frame 110 of one group can support an end plate in a mutually matched manner, so that the two support frames 110 of two groups can respectively support the head end plate a and the tail end plate b, the head end plate a and the tail end plate b are arranged at intervals and coaxially in the first direction, and at the moment, the main rib c can pass through the mounting holes in the head end plate a and the tail end plate b at one time and the end part of the main rib c is fastened and connected with the head end plate a and the tail end plate b by nuts.

According to the embodiment, the two groups of support frames 110 arranged at intervals along the first direction can respectively support and position the head end plate a and the tail end plate b in the group of end plates, namely, the orderly arrangement direction of the two groups of support frames 110 is consistent with the placement direction of the preset head end plate a and the preset tail end plate b, the central axes of the head end plate a and the tail end plate b which are supported and positioned can be ensured to be on the same straight line, the main rib c can pass through the mounting holes on the opposite head end plate a and the opposite tail end plate b at one time, the operation efficiency can be effectively improved, the assembly position deviation cannot occur, and the assembly precision is high.

It should be noted that, referring to fig. 2, the first direction may specifically be a width direction of the conveyor belt 1, and the second direction may be a length direction of the conveyor belt 1.

Referring to fig. 7, in some embodiments, each set of the supporting frames 110 further includes two positioning rollers 112 respectively disposed at the upper ends of the supporting columns 111, and positioning clamping grooves 112a are circumferentially disposed on the surfaces of the positioning rollers 112 for clamping edges of the end plates; and the axis extending direction of each positioning roller 112 is parallel to the sequential arrangement direction of the two sets of support frames 110.

Specifically, the edge of the end plate can be clamped into the positioning clamping groove 112a, so that the position of the end plate is ensured to be stable and unchanged during assembly; because the positioning roller 112 is rotatable, when the mounting holes on the two end plates are distributed more and the relative positions of the two end plates are staggered in the axial direction, the two end plates are operated to rotate around the axle center so as to be easily adjusted to the condition that the mounting holes on the two end plates are completely and coaxially opposite, thereby avoiding the condition of assembly position deviation and keeping higher assembly precision.

Referring to fig. 8, in some embodiments, the loading bearing device 2 includes:

the rotary feeding table 210, wherein a rotating shaft of the rotary feeding table 210 is perpendicular to the upper surface of the rotary feeding table 210, and is used for bearing the tray 10 and rotating to feed materials at different angles;

and a transfer mechanism 220 provided on the rotary feeding table 210 for transferring the fed tray 10 to the feeding position of the conveyor 1.

Specifically, the tray 10 is placed on the surface of the rotary feeding table 210, and the robot is operated to feed the head end plate a to the coaxial positioning frame 11 on the tray 10; the rotary feeding table 210 is driven to rotate 180 degrees, and the robot is operated to feed the tail end plate b to the coaxial positioning frame 11; finally, the loaded pallet 10 is transferred to the loading position of the conveyor belt 1 by the transfer mechanism 220.

The transfer mechanism 220 may be, for example, a roller conveyor belt, and is not limited thereto.

The rotary feeding table 210 can be driven to rotate by the motor 231, specifically, a gear ring 233 can be arranged on the periphery of the rotary feeding table 210, the preset motor 231 is started to drive a gear 232 on the shaft of the motor 231 to rotate, and the gear 232 is meshed with the gear ring 233 arranged on the periphery of the rotary feeding table 210 to drive the rotary feeding table 210 to rotate.

In this embodiment, the rotary feeding table 210 is set to rotate 180 ° to respectively feed the head end plate a and the tail end plate b, so that the robot is guaranteed to always execute the same feeding action on one side of the device, thereby being beneficial to guaranteeing that the placed head end plate b and the tail end plate b are in accurate coaxial positions and high placement accuracy.

Referring to fig. 8, in some embodiments, the loading bearing device 2 further includes:

the lifting positioning rod 240 is disposed on the upper surface of the rotary feeding table 210 and is matched with the bottom of the tray 10 in shape, and is used for positioning the tray 10 placed on the rotary feeding table 210 in the lifted state.

In this embodiment, after the tray 10 is positioned by using the lifting positioning rod 240, the position of the tray 10 in the feeding process can be ensured to be stable, so that the influence of the feeding position deviation on the subsequent normal assembly and welding is avoided, and the processing precision is ensured.

Referring to fig. 9, in some embodiments, the positioning device 3 comprises:

the first positioning clamping piece 310 and the second positioning clamping piece 320 comprise an upper clamping block and a lower clamping block which are matched and clamped in shape, the upper clamping block is arranged on the lower surface of the tray 10, and the lower clamping block is arranged on the upper surface of the conveying belt 1; the first positioning clamping member 310 is perpendicular to the clamping block length direction of the second positioning clamping member 320.

Specifically, the cross section of the upper clamping block and the lower clamping block can be in a V shape, and the positioning in the width direction of the clamping block is realized through the upper clamping block and the lower clamping block. In this embodiment, the lengths of the two sets of positioning clamping pieces are perpendicular to each other, so that the tray 10 can be positioned from two intersecting directions, the tray 10 can be prevented from sliding along the direction of non-positioning after the positioning is completed, and the positioning position is ensured to be firm and stable.

In the above description, although the respective elements of the present application may be described using expressions such as "first" and "second", they are not intended to limit the corresponding elements. For example, the above description is not intended to limit the order or importance of the corresponding elements. The above description is intended to distinguish one element from another element.

The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms include plural forms unless there is a significant difference in context, schemes, etc. between them.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the application, which is defined by the appended claims.

It will be appreciated by those skilled in the art that the technical features of the above-described embodiments may be omitted, added or combined in any way, and that all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, and that simple variations which can be envisaged by those skilled in the art, and structural variations which make adaptations and functionalities of the prior art, should be considered as within the scope of the present description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that while the present application has been shown and described with reference to various embodiments, it will be apparent to those skilled in the art that various changes and modifications in form and details may be made therein without departing from the scope of the application as defined by the appended claims. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. Precast pile skeleton processing equipment, characterized by includes:

the conveying belt is used for conveying the tray, and a processing station is preset on the conveying belt;

the feeding bearing device is arranged near the feeding position of one end of the conveying belt and is used for bearing and feeding the tray and transferring the fed tray to the feeding position of the conveying belt, and a coaxial positioning frame is arranged on the surface of the tray;

and the positioning device is arranged at the processing station of the conveying belt and used for positioning the tray at the processing station.

2. A precast pile skeleton processing apparatus according to claim 1, characterized in that: the processing station comprises a bar penetrating upsetting station and a welding station which are arranged at intervals along the length direction of the conveying belt.

3. A precast pile skeleton processing apparatus according to claim 1, characterized in that: the conveying belt comprises a processing conveying belt and a reflow conveying belt which are arranged side by side, and the processing station is arranged on the processing conveying belt;

precast pile skeleton processing equipment still includes:

the first lifting transfer machine is arranged between the feeding device and the feeding position of the conveying belt and used for lifting and receiving the tray transmitted by the feeding device and transferring the tray to the processing conveying belt, and the lifting transfer machine is used for descending and receiving the empty tray returned by the reflux conveying belt;

and the second lifting transfer machine is arranged at the discharging position at the other end of the conveying belt and used for lifting and bearing the empty tray transmitted by the processing conveying belt and transferring the empty tray downwards to the reflux conveying belt.

4. A precast pile skeleton processing apparatus according to claim 3, characterized in that: the first lifting transfer machine and the second lifting transfer machine respectively comprise:

a main frame;

the transfer frame is connected with the conveying belt and used for driving the tray to move between the transfer frame and the conveying belt;

and the lifting cylinder is connected with the transfer frame to drive the transfer frame to move up and down in the main frame.

5. A precast pile skeleton processing apparatus according to claim 1, characterized in that: the coaxial positioning frame comprises:

the two groups of support frames are arranged on the upper surface of the supporting plate at intervals along the first direction, each group of support frames comprises two support columns with the same height, the two support columns are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.

6. A precast pile skeleton processing apparatus according to claim 5, characterized in that: each group of support frame also comprises two positioning rollers which are respectively arranged at the upper ends of the support columns, and positioning clamping grooves are circumferentially arranged on the surfaces of the positioning rollers and are used for clamping the edges of the end plates; and the axis extending direction of each positioning roller is parallel to the sequential arrangement direction of the two groups of supporting frames.

7. A precast pile skeleton processing apparatus according to claim 1, characterized in that: the loading bearing device comprises:

the rotating shaft of the rotary feeding table is perpendicular to the upper surface of the rotary feeding table and is used for bearing the tray and rotating to feed materials at different angles;

and the transfer mechanism is arranged on the rotary feeding table and used for transferring the fed tray to the feeding position of the conveying belt.

8. A precast pile skeleton processing apparatus according to claim 7, characterized in that: the loading bearing device further comprises:

the lifting positioning rod is arranged on the upper surface of the rotary feeding table and is matched with the bottom of the tray in a shape, and is used for positioning the tray placed on the rotary feeding table in a lifting state.

9. A precast pile skeleton processing apparatus according to claim 1, characterized in that: the positioning device comprises:

the first positioning clamping piece and the second positioning clamping piece comprise an upper clamping block and a lower clamping block which are matched and clamped in shape, the upper clamping block is arranged on the lower surface of the tray, and the lower clamping block is arranged on the upper surface of the positioning device; the first positioning clamping piece is perpendicular to the length direction of the clamping block of the second positioning clamping piece.

10. The precast pile skeleton processing technology is characterized by comprising the following steps of:

the operation tray is placed on the surface of the loading bearing device, and the paired head end plates and tail end plates are loaded on the coaxial positioning frames on the tray;

operating a loading bearing device to transfer the loaded tray to the loading position of the conveyor belt, and then conveying the tray to each processing station by the conveyor belt, and accurately positioning by a positioning device arranged at the processing station;

and (3) operating the main rib on a processing station to pass through the coaxially aligned head end plate and the coaxially aligned tail end plate at one time, upsetting the head, and welding the joint to form the precast pile framework.