CN211993435U

CN211993435U - Tray jig device

Info

Publication number: CN211993435U
Application number: CN202020404071.9U
Authority: CN
Inventors: 姜叶敏; 顾凯娣; 盛丹平; 芦璐; 徐春晖
Original assignee: Yintu Shanghai Robot Technology Co ltd
Current assignee: Yintu Shanghai Robot Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-24
Anticipated expiration: 2030-03-25

Abstract

The utility model provides a jig device for a tray, which relates to the technical field of wooden tray processing jigs and comprises a frame body, wherein the frame body is provided with a left slide rail, a right slide rail and a middle slide rail connected between the left slide rail and the right slide rail, and the middle slide rail is provided with a first positioning component used for clamping the side surface of a batten; the lower part of support body is equipped with the backup pad that is used for the bottom of support lath, and the upper portion of support body is equipped with the second locating component that is used for pressing from both sides the top of establishing the lath, has alleviated the technical problem that the A-frame mould that exists among the prior art has the unstable lath of location to take place the aversion at the in-process of fixed lath.

Description

Tray jig device

Technical Field

The utility model belongs to the technical field of wooden tray processing tool technique and specifically relates to a tool device of tray is related to.

Background

The wooden pallet is a pallet made of natural wood, and is one of the most widely used pallets. The pallet is mainly used for horizontal platform devices for containerizing, stacking, carrying, transporting and the like goods and products serving as unit loads.

In the traditional production process of the wooden pallet, the operations of laying, nailing and the like of the wooden boards are completed by manual operation, so that the operation efficiency is low, the labor intensity is high, and the product quality of the wooden pallet is influenced. In order to solve the problems, people also design a production line which replaces manual work with machinery, and the template is placed on a triangular support mold which is processed in advance.

However, the existing triangular support die has the problem that the lath is displaced due to unstable positioning in the process of fixing the lath.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool device of tray to alleviate the in-process of the A-frame mould that exists among the prior art at fixed lath, there is the unstable technical problem who makes the lath take place to shift in location.

In a first aspect, an embodiment provides a jig device for a tray, including: the frame body is provided with a left slide rail, a right slide rail and a middle slide rail connected between the left slide rail and the right slide rail, and the middle slide rail is provided with a first positioning assembly for clamping the side surface of the batten; the lower part of the frame body is provided with a supporting plate for supporting the bottom end of the batten, and the upper part of the frame body is provided with a second positioning component for clamping the top end of the batten.

In an optional implementation manner, the second positioning assembly includes a positioning body and a linear driving element in transmission connection with the positioning body, a movement direction of the positioning body is perpendicular to an extension direction of the intermediate sliding rail, and the positioning body includes an accommodating cavity for clamping a top end of the slat.

In an optional embodiment, the second positioning assembly further includes a cross beam and a plurality of positioning pillars spaced along an extending direction of the cross beam, and the cross beam is fixedly connected to the output end of the linear driving element.

The position of the cross beam relative to the linear driving element along the extending direction perpendicular to the middle slide rail is adjustable, the position of each positioning column on the cross beam is adjustable, and the accommodating cavity is defined by the adjacent two positioning columns and the cross beam.

In an optional embodiment, the number of the intermediate slide rails is multiple, the intermediate slide rails are arranged at intervals from top to bottom, and the position of each intermediate slide rail is adjustable; the linear driving element is mounted on the uppermost intermediate slide rail.

In an optional implementation manner, the shoe rack further comprises a plurality of foot block clamping mechanisms, the foot block clamping mechanisms are arranged at intervals along the extending direction of the intermediate slide rail, the position of each foot block clamping mechanism on the intermediate slide rail is adjustable, and a foot block is clamped between every two adjacent foot block clamping mechanisms; the first positioning assembly comprises a width adjusting block, the width adjusting block is fixedly connected to the foot block clamping mechanism, and the face, used for clamping the batten, of the width adjusting block protrudes out of the middle sliding rail.

In an optional embodiment, the foot block clamping mechanism includes a first foot block fixing block and a second foot block fixing block, the first foot block fixing block is slidably connected to the middle slide rail, the second foot block fixing block is connected to one side of the first foot block fixing block, which is far away from the middle slide rail, and the position of the second foot block fixing block relative to the first foot block fixing block along the extending direction perpendicular to the middle slide rail is adjustable; the width adjusting block is fixedly connected to the second foot block fixing block.

In an alternative embodiment, the cam handle further comprises a body, a wrench hinged to the body, and a screw connected to the body.

The first foot block fixing block and the middle sliding rail are provided with the cam handle in a penetrating mode, a screw of the cam handle is screwed into the bottom of the middle sliding rail and is in threaded connection with the first foot block fixing block, and the wrench can enable the body to be compressed or separated from the middle sliding rail.

And/or, the middle slide rail with wear to be equipped with between the left side slide rail cam handle, cam handle's screw rod by one side screw in of left side slide rail and with the one end threaded connection of middle slide rail, middle slide rail with wear to be equipped with between the right side slide rail cam handle, cam handle's screw rod by one side screw in of right side slide rail and with the other end threaded connection of middle slide rail.

In an alternative embodiment, a hold-down mechanism is also included; the pressing mechanism comprises a pressing rod and a rotary driving element in transmission connection with the pressing rod, the rotary driving element is installed on the frame body, and the rotary driving element can drive the pressing rod to swing towards the direction close to or far away from the frame body so as to press or separate the batten.

In an alternative embodiment, the number of the rotary driving elements is two, the output ends of the two rotary driving elements are arranged oppositely or back to back, and the pressing rod is connected between the output ends of the two rotary driving elements.

In an alternative embodiment, the pressing mechanism comprises an upper pressing mechanism and a lower pressing mechanism which are arranged up and down.

One of the rotary driving elements of the upper pressing mechanism is mounted on the left sliding rail, and the position of the rotary driving element relative to the left sliding rail can be adjusted.

And the other rotary driving element of the upper pressing mechanism is arranged on the right sliding rail and can be adjusted relative to the right sliding rail.

The utility model provides a jig device of tray is equipped with first locating component on the middle slide rail, and the lower part of support body is equipped with the backup pad, and the upper portion of support body is equipped with second locating component, and when using this jig device, the bottom face and the backup pad butt of lath, the backup pad is fixed a position the bottom of lath, and simultaneously, first locating component can press from both sides the side of lath and establish in order to fix a position the side of lath, and second locating component can press from both sides the top of lath and establish in order to fix a position the top of lath; by the aforesaid, this tool device can fix a position the lath in a plurality of directions of lath, and the lath takes place to rock and warp from top to bottom when can further reducing the nailing to the location that makes the lath is more stable, can not make the lath take place to shift.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a first view angle of a tray fixture device provided with a slat and a foot block according to an embodiment of the present invention;

fig. 2 is a front view of a jig device of a tray according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second viewing angle of the jig device of the tray provided by the embodiment of the present invention with the laths and the foot blocks installed;

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

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

fig. 6 is a right side view of a jig device of a tray according to an embodiment of the present invention;

fig. 7 is a partially enlarged view of the portion C shown in fig. 6.

Icon:

10-a jig device; 20-laths; 30-foot blocks;

110-a main board; 120-left slide rail; 130-right slide rail; 140-intermediate slide rail;

200-a first positioning assembly; 210-a width adjustment block;

300-a support plate;

400-a second positioning assembly; 410-a linear drive element; 420-a beam; 430-positioning columns;

500-foot block clamping mechanism; 510-a first leg block fixing block; 520-a second foot block fixing block; 530-a first cam handle; 531-ontology; 532-spanner;

600-a hold-down mechanism; 610-a compression bar; 620-a rotary drive element; 630-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 and 2, the tray jig device 10 includes a frame body, the frame body includes a main board 110, the main board 110 is provided with a left slide rail 120, a right slide rail 130 and a middle slide rail 140 connected therebetween, the middle slide rail 140 is provided with a first positioning assembly 200 for clamping a side surface of a slat 20; the lower portion of the main plate 110 is provided with a support plate 300 for supporting the bottom end of the slat 20, and the upper portion of the main plate 110 is provided with a second positioning member 400 for sandwiching the top end of the slat 20.

In the jig device 10 for a tray provided in this embodiment, the intermediate slide rail 140 is provided with the first positioning assembly 200, the lower portion of the main plate 110 is provided with the support plate 300, and the upper portion of the main plate 110 is provided with the second positioning assembly 400, when the jig device 10 is used, the bottom end surface of the slat 20 abuts against the support plate 300, the support plate 300 positions the bottom end of the slat 20, meanwhile, the first positioning assembly 200 can clamp the side surface of the slat 20 to position the side surface of the slat 20, and the second positioning assembly 400 can clamp the top end of the slat 20 to position the top end of the slat 20; as can be seen from the foregoing, the jig device 10 can position the lath 20 in a plurality of directions of the lath 20, and can further reduce the occurrence of lateral sway and vertical tilting of the lath 20 during nailing, thereby further stabilizing the positioning of the lath 20 and preventing the lath 20 from shifting.

It should be noted that the above-mentioned "slats" may be wood slats, plastic slats, or slats 20 made of other materials, which are not listed here.

The first positioning assembly 200, the support plate 300, and the second positioning assembly 400 will be described below, respectively.

In the jig device 10, in view of reducing the complexity of the jig as much as possible and making the overall structure of the jig more compact, optionally, the first positioning assembly 200 is mounted by means of the foot block clamping mechanism 500; of course, the first positioning assembly 200 is not limited to being mounted on the foot block clamping mechanism 500, and the first positioning assembly 200 may also be mounted on the main board 110, the left slide rail 120 or the right slide rail 130. The manner in which the first positioning assembly 200 is mounted by means of the foot block clamping mechanism 500 will now be described in detail.

Specifically, with reference to fig. 3 and 4, a plurality of foot block clamping mechanisms 500 are arranged at intervals along the extending direction of the intermediate slide rail 140, the position of each foot block clamping mechanism 500 on the intermediate slide rail 140 is adjustable, and a foot block 30 is clamped between two adjacent foot block clamping mechanisms 500; the first positioning assembly 200 includes a width adjusting block 210, the width adjusting block 210 is fixedly connected to the foot block clamping mechanism 500, and the width adjusting block 210 is used for clamping the surface of the slat 20 to protrude from the middle slide rail 140.

Referring to fig. 4, the foot block clamping mechanism 500 includes a first foot block fixing block 510 and a second foot block fixing block 520, the first foot block fixing block 510 is slidably connected to the middle slide rail 140, the second foot block fixing block 520 is connected to a side of the first foot block fixing block 510 away from the middle slide rail 140, and a position of the second foot block fixing block 520, which is perpendicular to an extending direction of the middle slide rail 140, is adjustable relative to the first foot block fixing block 510; the width adjustment block 210 is fixedly connected to the second leg block fixing block 520.

Fig. 4 shows that the two sets of foot block clamping mechanisms 500 are provided with the foot block 30 therebetween, wherein the first foot block fixing block 510 of the left foot block clamping mechanism 500 is fixedly connected with the width adjusting block 210, and the first foot block fixing block 510 (not shown in the drawing) of the right foot block clamping mechanism 500 is also fixedly connected with the width adjusting block 210.

Optionally, the corresponding positions of the first foot block fixing block 510 and the second foot block fixing block 520 in the same group are further provided with scale marks for showing the sliding distance of the second foot block fixing block 520.

In some embodiments, the middle slide rail 140 is provided with an elongated guide hole, the first foot fixing block 510 can slide along the elongated guide hole to adapt to the foot blocks 30 with different sizes and to adapt to the slats 20 at different positions, and after the first foot fixing block 510 is adjusted to the corresponding position, the first foot fixing block 510 is locked by a fastener, so as to ensure that the position of the foot block 30 does not change during the working process, and improve the nailing effect. The fastener may take a variety of forms, such as a locking screw, etc.

The fastener of this embodiment takes the form of a first cam handle 530, see particularly figure 4.

Wherein the first cam handle 530 may take an existing form. Specifically, referring to fig. 4, the first cam handle 530 includes a body 531, a wrench 532 hinged to the body 531, and a screw (not shown) connected to the body 531. In specific connection, the screw of the first cam handle 530 is screwed into the bottom of the middle slide rail 140 and is in threaded connection with the first foot block fixing block 510, and the wrench 532 can press the body 531 (at this time, the first foot block fixing block 510 is locked and cannot slide) or separate from the middle slide rail 140 (at this time, the first foot block fixing block 510 can slide). The first cam handle 530 is selected to replace the existing structure, so that the working efficiency of workers can be improved relatively, and the production beat is accelerated.

The form of the first positioning assembly 200 has been described above, followed by the form of the support plate 300.

Referring to fig. 1, the supporting plate 300 may be fixedly coupled to the main plate 110; as a modification, the supporting plate 300 is fixedly connected to a side of the middle slide rail 140 at the lowermost end, which is away from the main plate 110. The structure of the supporting plate 300 may be various, and the structure that can support the lath 20 is within the protection scope of the present invention. Alternatively, the support plate 300 may be an elongated block structure.

Having described the form of the support plate 300, the form of the second positioning assembly 400 is described next.

Referring to fig. 3 and 5, the second positioning assembly 400 includes a positioning body and a linear driving element 410 in transmission connection with the positioning body, a moving direction of the positioning body is perpendicular to an extending direction of the intermediate sliding rail 140, and the positioning body includes an accommodating cavity for clamping a top end of the slat 20. Alternatively, the linear driving element 410 may be a cylinder or a cylinder, etc.

The accommodating cavity can adopt various structural forms, and the top end surface of the lath 20 and two side surfaces connected with the top end surface are limited within the protection scope of the utility model.

In some embodiments, the second positioning assembly 400 further includes a cross beam 420 and a plurality of positioning pillars 430 disposed at intervals along an extending direction of the cross beam 420, the cross beam 420 is fixedly connected to the output end of the linear driving element 410, the position of the cross beam 420 relative to the linear driving element 410 along the extending direction perpendicular to the middle sliding rail 140 is adjustable, the position of each positioning pillar 430 on the cross beam 420 is adjustable, and a receiving cavity is defined between two adjacent positioning pillars 430 and the cross beam 420.

Optionally, the output end of the linear driving element 410 is provided with a fixed block and a movable block, the fixed block and the movable block are arranged up and down, wherein the beam 420 is connected to the movable block, and the corresponding positions of the fixed block and the movable block are further provided with scale marks; the movable block can slide along the fixed block and can be locked by a fastener, and the relative positions of the movable block and the fixed block are adjusted to adapt to the laths 20 with different thicknesses; optionally, an elongated guide hole is formed in the cross beam 420, the positioning column 430 can slide along the elongated guide hole to adapt to slats 20 in different positions and different widths, and after the positioning column 430 slides to a proper position, the positioning column 430 can be fixed on the cross beam 420 through the first cam handle 530. Alternatively, the upper end of the positioning post 430 may be threaded with the beam 420.

With reference to fig. 3 and 4, a plurality of intermediate sliding rails 140 are provided, the intermediate sliding rails 140 are arranged from top to bottom at intervals, and the position of each intermediate sliding rail 140 is adjustable; the linear drive element 410 may be mounted on the uppermost intermediate slide 140. As a variant, the linear drive element 410 can be mounted on the lowermost intermediate rail 140 (not shown in the drawings), but, of course, in this construction, a space for arranging the second positioning assembly 400 is reserved below the lowermost intermediate rail 140. Optionally, a plurality of through holes are processed on the intermediate sliding rail 140 for reducing the overall weight of the jig device 10.

In some embodiments, the middle slide rail 140 can be attached to the left slide rail 120 or the right slide rail 130 in a variety of ways.

Optionally, a second cam handle is inserted between the middle slide rail 140 and the left slide rail 120, a screw of the second cam handle is screwed in from one side of the left slide rail 120 and is in threaded connection with one end of the middle slide rail 140, a third cam handle is inserted between the middle slide rail 140 and the right slide rail 130, and a screw of the third cam handle is screwed in from one side of the right slide rail 130 and is in threaded connection with the other end of the middle slide rail 140. Further, in order to ensure that the position of each middle slide rail 140 is adjustable, elongated guide holes are formed in the left slide rail 120 and the right slide rail 130.

The first positioning assembly 200, the support plate 300, and the second positioning assembly 400 are described above, respectively, and the pressing mechanism 600 is described next.

On the basis of the above-described embodiment, in order to further ensure the positioning effect of the slats 20, the slats 20 are prevented from being displaced. With reference to fig. 1, 6 and 7, the jig device 10 further includes a pressing mechanism 600; the pressing mechanism 600 includes a pressing rod 610 and a rotary driving element 620 in transmission connection with the pressing rod 610, the rotary driving element 620 is mounted on the main board 110, and the rotary driving element 620 can drive the pressing rod 610 to swing toward or away from the main board 110 to press or separate the slats 20.

Referring to fig. 1, the number of the rotation driving elements 620 is two, the output ends of the two rotation driving elements 620 are disposed opposite or opposite to each other, and the pressing rod 610 is connected between the output ends of the two rotation driving elements 620.

Alternatively, referring to fig. 1 and 7, the output end of the rotary driving element 620 is connected to a link 630, and the pressing rod 610 is connected between the two links 630.

With continued reference to fig. 1 or fig. 6, the pressing mechanism 600 includes an upper pressing mechanism and a lower pressing mechanism disposed up and down; one of the rotary driving elements 620 of the upper pressing mechanism is mounted on the left slide rail 120 and can be adjusted relative to the left slide rail 120; the other rotary driving element 620 of the upper pressing mechanism is mounted on the right slide rail 130, and can be adjusted in position relative to the right slide rail 130. The adjustment mode here is the same as above, and no longer repeated here, through adjusting the position of going up hold-down mechanism for it is better to go up hold-down mechanism's adaptability.

It should be noted that, in some technologies, the left area of the main board 110 is a front nailing area, and the right area of the main board 110 is a back nailing area, wherein the front nailing area is provided with a left slide rail 120, a right slide rail 130, a middle slide rail 140, a first positioning assembly 200, a supporting plate 300, a second positioning assembly 400, and a foot block clamping mechanism 500. Wherein, a left slide rail 120, a right slide rail 130, a middle slide rail 140, a support plate 300 and a pressing mechanism 600 are arranged on the reverse nailing region; of course, the pressing mechanism 600 may be provided in the front nailing region according to actual needs.

Through the above description, with reference to the accompanying drawings, the frame body of the jig device 10 includes the triangular frame, and the structures on the two sides of the triangular frame are symmetrically arranged, so that the nailing operation can be performed on both sides, and the production efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a tool device of tray which characterized in that includes: the frame body is provided with a left slide rail (120), a right slide rail (130) and a middle slide rail (140) connected between the left slide rail and the right slide rail, and the middle slide rail (140) is provided with a first positioning assembly (200) for clamping the side surface of the batten (20);

the lower part of the frame body is provided with a supporting plate (300) used for supporting the bottom end of the batten (20), and the upper part of the frame body is provided with a second positioning assembly (400) used for clamping the top end of the batten (20).

2. The tray fixture device according to claim 1, wherein the second positioning assembly (400) comprises a positioning body and a linear driving element (410) in transmission connection with the positioning body, the movement direction of the positioning body is perpendicular to the extension direction of the intermediate slide rail (140), and the positioning body comprises an accommodating cavity for clamping the top end of the slat (20).

3. The apparatus of claim 2, wherein the second positioning assembly (400) further comprises a cross beam (420) and a plurality of positioning posts (430) spaced apart from each other along the extending direction of the cross beam (420), the cross beam (420) is fixedly connected to the output end of the linear driving element (410);

the position of the cross beam (420) relative to the linear driving element (410) along the extending direction perpendicular to the middle sliding rail (140) is adjustable, the position of each positioning column (430) on the cross beam (420) is adjustable, and the accommodating cavity is defined between two adjacent positioning columns (430) and the cross beam (420).

4. The tray fixture device according to claim 3, wherein the number of the intermediate sliding rails (140) is plural, the plural intermediate sliding rails (140) are arranged at intervals from top to bottom, and the position of each intermediate sliding rail (140) is adjustable;

the linear drive element (410) is mounted on the uppermost intermediate slide rail (140).

5. The tray jig device according to claim 1, further comprising a plurality of foot block clamping mechanisms (500), wherein the plurality of foot block clamping mechanisms (500) are arranged at intervals along the extending direction of the intermediate slide rail (140), the position of each foot block clamping mechanism (500) on the intermediate slide rail (140) is adjustable, and a foot block (30) is clamped between two adjacent foot block clamping mechanisms (500);

the first positioning assembly (200) comprises a width adjusting block (210), the width adjusting block (210) is fixedly connected to the foot block clamping mechanism (500), and the surface of the width adjusting block (210) used for clamping the batten (20) protrudes out of the middle sliding rail (140).

6. The jig device for pallets according to claim 5, wherein the foot block clamping mechanism (500) comprises a first foot block fixing block (510) and a second foot block fixing block (520), the first foot block fixing block (510) is slidably connected to the middle slide rail (140), the second foot block fixing block (520) is connected to a side of the first foot block fixing block (510) far away from the middle slide rail (140), and a position of the second foot block fixing block (520) relative to the first foot block fixing block (510) along a direction perpendicular to an extending direction of the middle slide rail (140) is adjustable;

the width adjusting block (210) is fixedly connected to the second foot block fixing block (520).

7. The jig device of the tray as claimed in claim 6, further comprising a cam handle, wherein the cam handle comprises a body (531), a wrench (532) hinged with the body (531) and a screw connected to the body (531);

the cam handle penetrates between the first foot block fixing block (510) and the middle sliding rail (140), a screw of the cam handle is screwed in from the bottom of the middle sliding rail (140) and is in threaded connection with the first foot block fixing block (510), and the body (531) can be pressed or separated from the middle sliding rail (140) by pulling the wrench (532);

and/or, wear to be equipped with between middle slide rail (140) and left slide rail (120) cam handle, cam handle's screw rod by one side screw in of left slide rail (120) and with the one end threaded connection of middle slide rail (140), middle slide rail (140) with wear to be equipped with between right slide rail (130) cam handle, cam handle's screw rod by one side screw in of right slide rail (130) and with the other end threaded connection of middle slide rail (140).

8. The pallet fixture device according to any of the claims 1-7, further comprising a pressing mechanism (600);

the pressing mechanism (600) comprises a pressing rod (610) and a rotary driving element (620) in transmission connection with the pressing rod (610), the rotary driving element (620) is installed on the rack body, and the rotary driving element (620) can drive the pressing rod (610) to swing towards the direction close to or away from the rack body so as to press or separate the lath (20).

9. The tray fixture device according to claim 8, wherein the number of the rotary driving elements (620) is two, the output ends of the two rotary driving elements (620) are opposite or opposite, and the pressing rod (610) is connected between the output ends of the two rotary driving elements (620).

10. The jig device for pallets according to claim 9, wherein the pressing mechanism (600) comprises an upper pressing mechanism (600) and a lower pressing mechanism (600) which are arranged up and down;

one of the rotary driving elements (620) of the upper pressing mechanism (600) is mounted on the left sliding rail (120) and can be adjusted in position relative to the left sliding rail (120); the other rotary driving element (620) of the upper pressing mechanism (600) is mounted on the right sliding rail (130) and can be adjusted in position relative to the right sliding rail (130).