Rear lower door for energy storage case and production workbench

Abstract

The utility model discloses a rear lower door and a production workbench for an energy storage case, the rear lower door comprises a bottom plate, a first strip-shaped workpiece, a second strip-shaped workpiece, a third strip-shaped workpiece and a fourth strip-shaped workpiece, the production workbench comprises a plurality of first limiting mechanisms, a plurality of second limiting mechanisms, a first limiting block, a first positioning mechanism and a second positioning mechanism, the first limiting mechanisms are arranged on the two sides and the front end of the bottom plate, and the second limiting mechanisms are arranged on the front end of the bottom plate. The second limiting mechanism is arranged at the rear end of the bottom plate, the first limiting block corresponds to the first limiting mechanism and the second limiting mechanism, the first limiting mechanism abuts against the second strip-shaped workpiece, the third strip-shaped workpiece and the fourth strip-shaped workpiece respectively, the second limiting mechanism abuts against the first strip-shaped workpiece, and the first limiting block abuts against the bottom plate. The first positioning mechanism is arranged between the first limiting mechanism and the first limiting block and between the second limiting mechanism and the first limiting block, and the second positioning mechanism abuts against a through hole formed in the bottom plate. The rear lower door assembly is high in stability and convenient to fix, position and install, assembly welding precision is improved, and therefore production quality and production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle accessories, in particular to a rear lower door and a production workbench for an energy storage chassis. Background Art

[0002] As an important backup energy device, energy storage enclosures can help solve numerous power consumption issues. Since the primary function of an energy storage enclosure is to properly house modules, provide a favorable and controllable working environment for their use, and facilitate collective control of each module, existing enclosure designs are designed to meet these functional requirements. However, the rear lower door of existing energy storage enclosures needs to be improved to ensure the stability of energy storage equipment installation.

[0003] During machining, product inspection, assembly, and welding, a large number of process equipment, referred to as tooling, are used. These tools are used to position the workpieces to ensure the quality of parts and products, while also improving productivity. Most assembly tooling is specifically designed for the welding process of a specific assembly. These non-standard devices often require each manufacturer to design and manufacture them based on the product's structural characteristics, production conditions, and actual needs. However, conventional welding tooling in the prior art was unable to properly position the rear lower door of the energy storage chassis, causing parts to easily fall off during welding, thus hindering the operator's work. Summary of the Invention

[0004] The embodiment of the present application provides a rear lower door and a production workbench for an energy storage chassis, wherein both sides of the first strip-shaped workpiece are connected to one side of the rear end of the third strip-shaped workpiece and the fourth strip-shaped workpiece, and both sides of the second strip-shaped workpiece are connected to one side of the front end of the third strip-shaped workpiece and the fourth strip-shaped workpiece. This connection method forms a stable frame structure, enhances the overall stability, and enables the rear lower door to withstand greater external forces and pressures. According to this structure, the first limit block, the first limit column, the second limit column, the first limit mechanism, the second limit mechanism, the first positioning mechanism, and the second positioning mechanism cooperate with each other, so that the components of the rear lower door are easy to fix and position and install, prevent the components from falling off during welding processing, and improve the accuracy of component welding, thereby improving production quality and production efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a rear lower door of an energy storage chassis, the rear lower door including a base plate, a first strip-shaped workpiece, a second strip-shaped workpiece, a third strip-shaped workpiece and a fourth strip-shaped workpiece arranged at the upper end of the base plate, the first strip-shaped workpiece being arranged at the rear end of the base plate, the second strip-shaped workpiece being arranged at the front end of the base plate, the third strip-shaped workpiece and the fourth strip-shaped workpiece being respectively arranged on both sides of the base plate, the two sides of the first strip-shaped workpiece being connected to one side of the rear end of the third strip-shaped workpiece and the fourth strip-shaped workpiece, and the two sides of the second strip-shaped workpiece being connected to one side of the front end of the third strip-shaped workpiece and the fourth strip-shaped workpiece.

[0006] Compared with the prior art, the advantages of the present invention are:

[0007] By arranging the first strip workpiece, the second strip workpiece, the third strip workpiece, and the fourth strip workpiece on the bottom plate, and connecting the two sides of the first strip workpiece to one side of the rear end of the third strip workpiece and the fourth strip workpiece, and connecting the two sides of the second strip workpiece to one side of the front end of the third strip workpiece and the fourth strip workpiece, this connection method forms a stable frame structure, enhances the overall stability, and enables the rear lower door to withstand greater external force and pressure.

[0008] A production workbench, used for the rear lower door of an energy storage chassis as described above, the production workbench includes a plurality of first limiting mechanisms, second limiting mechanisms, first limiting columns, first limiting blocks, first positioning mechanisms, second positioning mechanisms, and second limiting columns. The first limiting mechanisms are arranged on both sides and the front end of the bottom plate, the second limiting mechanism is arranged at the rear end of the bottom plate, the first limiting blocks are arranged corresponding to the first limiting mechanisms and the second limiting mechanisms, the first limiting columns are arranged between the first limiting blocks, the lower ends of the first limiting mechanisms arranged on both sides of the bottom plate are respectively against the upper ends of the third strip workpiece and the fourth strip workpiece, and are arranged at the front end of the bottom plate. The lower end of the first limiting mechanism at the end abuts against the upper end of the second strip workpiece, the lower end of the second limiting mechanism abuts against the first strip workpiece, the upper ends of the first limiting block and the first limiting column abut against the lower end of the base plate, the first positioning mechanism is arranged between the first limiting mechanism and the first limiting block, the second limiting mechanism and the first limiting block, the second positioning mechanism is arranged on one side of the first limiting block at the rear end of the base plate, through holes are provided on both sides of the rear end of the base plate, the upper end of the second positioning mechanism abuts against the side walls of the through holes, the second limiting column is arranged at one end and one side of the base plate, and the side walls of the second limiting column abut against one end and one side of the base plate respectively.

[0009] Compared with the prior art, the advantages of the present invention are:

[0010] The cam is secured to the bottom of the workpiece so that the cam is secured to the bottom of the workpiece and the top of the workpiece is secured to the bottom of the workpiece. While the bottom surface of the plate plays a limiting role, since the side walls of the bottom plate also need to be limited, second limiting columns are provided at one end and one side of the bottom plate, and the side wall of the second limiting column provided at one end of the bottom plate is abutted against one end of the bottom plate, and the side wall of the second limiting column provided on one side of the bottom plate is abutted against one side of the bottom plate, thereby limiting the front and rear ends and both sides of the bottom plate, thereby facilitating the fixed installation of the components of the rear lower door and preventing them from falling off during welding. When the first limiting block is fixed, the positions of the first limiting mechanism and the second limiting mechanism are determined by the first positioning mechanism, and the upper end of the second positioning mechanism is abutted against the side wall of the through hole, thereby determining the position of the bottom plate, thereby facilitating the positioning and installation of the components of the rear lower door and improving the accuracy of component welding, thereby improving production quality and production efficiency.

[0011] As an improvement, the setting direction of the first limiting mechanism arranged on both sides is perpendicular to the setting direction of the third and fourth strip workpieces and is arranged at the front and rear ends of the third and fourth strip workpieces. The setting direction of the first limiting mechanism arranged at the front end is perpendicular to the setting direction of the second strip workpiece and is arranged on both sides of the second strip workpiece. The first limiting mechanism includes a first rotary pressing cylinder, and the upper end of the first rotary pressing cylinder is provided with a first mounting block extending therefrom. A second limiting block is provided on one side of the first mounting block. The lower end of the second limiting block is respectively against the upper ends of the second, third and fourth strip workpieces. The first rotary pressing cylinder can drive the first mounting block to move up and down so that the lower end of the second limiting block is respectively against the upper ends of the second, third and fourth strip workpieces to limit the second, third and fourth strip workpieces.

[0012] As an improvement, the second limiting mechanism is arranged on both sides of the first strip-shaped workpiece, and the second limiting mechanism includes a second rotary pressing cylinder, the upper end of the second rotary pressing cylinder is extended to provide a second mounting block, and one side of the second mounting block is provided with a third limiting block, and the lower end of the third limiting block is provided with a limiting groove, and the side walls of the limiting groove are abutted against the front and rear ends of the first strip-shaped workpiece. The first rotary pressing cylinder can drive the first mounting block to move up and down so that the side walls of the limiting groove are abutted against the front and rear ends of the first strip-shaped workpiece. While limiting the first strip-shaped workpiece, the position of one end of the first strip-shaped workpiece is determined.

[0013] As an improvement, a positioning block is provided on one side of one of the third limit blocks, and a flat plate is extended from the upper end of the first strip-shaped workpiece, and one side of the flat plate is abutted against one side of the positioning block. The position of one side of the first strip-shaped workpiece is determined by abutting one side of the flat plate against one side of the positioning block. Since the two sides of the first strip-shaped workpiece are connected to one side of the rear end of the third and fourth strip-shaped workpieces, the positions of the third and fourth strip-shaped workpieces are determined, and since the two sides of the second strip-shaped workpiece are connected to one side of the front end of the third and fourth strip-shaped workpieces, the position of the second strip-shaped workpiece is determined.

[0014] As an improvement, the first positioning mechanism includes a positioning protrusion and a positioning groove, the positioning protrusions are respectively provided at the lower end of the first mounting block between the second limit block and the first rotary pressing cylinder and the lower end of the second mounting block between the third limit block and the second rotary pressing cylinder, the positioning groove protruding from the upper end of the first limit block corresponding to the positioning protrusion, the positioning protrusion is inserted into the positioning groove so that the side wall of the positioning protrusion is abutted against the side wall of the positioning groove, and when the first rotary pressing cylinder drives the first mounting block to rotate, the second limit block rotates accordingly, so that the positioning protrusion is set above the corresponding positioning groove, and then the first rotary pressing cylinder drives the first mounting block to move downward, so that the positioning protrusion is inserted into the positioning groove, so that the side wall of the positioning protrusion is abutted against the side wall of the positioning groove, so as to achieve the situation that when the first limit block is fixed, the position of the second limit block of the first limit mechanism and the third limit block of the second limit mechanism is determined by the side wall of the positioning protrusion abutting against the side wall of the positioning groove.

[0015] As an improvement, the second positioning mechanism includes a mounting seat, one side of the mounting seat is connected to one side of the first limit block provided at the rear end, and a first positioning column is provided at the upper end of the mounting seat, and the upper end of the first positioning column passes through the through hole and is abutted against the side wall of the through hole. The upper end of the first positioning column passes through the through hole and is abutted against the side wall of the through hole, thereby positioning the base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0017] Figure 1 This is a schematic diagram of the overall structure of a rear lower door and a production workbench for an energy storage chassis;

[0018] Figure 2 Schematic diagram of the coordination structure of the first limiting block, the first limiting column and the base plate;

[0019] Figure 3 This is an enlarged schematic diagram of the second limiting mechanism;

[0020] Figure 4 A top view of the overall structure of the rear lower door and production workbench for an energy storage chassis;

[0021] Figure 5 is a cross-sectional view of the first positioning mechanism;

[0022] Figure 6 It is a structural schematic diagram of the second positioning mechanism.

[0023] The markings in the above figure are as follows: 1. Rear lower door; 1.1. Bottom plate; 1.1.1. Through hole; 1.2. First strip workpiece; 1.2.1. Flat plate; 1.3. Second strip workpiece; 1.4. Third strip workpiece; 1.5. Fourth strip workpiece; 2. Production workbench; 2.1. First limit mechanism; 2.1.1. First rotary pressing cylinder; 2.1.2. First mounting block; 2.1.3. Second limit block; 2.2. Second limit mechanism; 2. .2.1. Second rotary pressing cylinder; 2.2.2.2. Second mounting block; 2.2.3. Third limiting block; 2.2.3.1. Limiting groove; 2.2.4. Positioning block; 2.3. First limiting column; 2.4. First limiting block; 2.5. First positioning mechanism; 2.5.1. Positioning protrusion; 2.5.2. Positioning groove; 2.6. Second positioning mechanism; 2.6.1. Mounting seat; 2.6.2. First positioning column; 2.7. Second limiting column. DETAILED DESCRIPTION

[0024] In the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] like Figures 1 to 2As shown, a rear lower door of an energy storage chassis, the rear lower door 1 includes a base plate 1.1, a first strip workpiece 1.2, a second strip workpiece 1.3, a third strip workpiece 1.4 and a fourth strip workpiece 1.5 arranged at the upper end of the base plate 1.1, the first strip workpiece 1.2 is arranged at the rear end of the base plate 1.1, the second strip workpiece 1.3 is arranged at the front end of the base plate 1.1, the third strip workpiece 1.4 and the fourth strip workpiece 1.5 are respectively arranged on both sides of the base plate 1.1, the two sides of the first strip workpiece 1.2 are connected to one side of the rear end of the third strip workpiece 1.4 and the fourth strip workpiece 1.5, and the two sides of the second strip workpiece 1.3 are connected to one side of the front end of the third strip workpiece 1.4 and the fourth strip workpiece 1.5.

[0026] A production workbench, used for the rear lower door 1 of an energy storage chassis as described above, the production workbench 2 includes a plurality of first limiting mechanisms 2.1, a second limiting mechanism 2.2, a first limiting column 2.3, a first limiting block 2.4, a first positioning mechanism 2.5, a second positioning mechanism 2.6, and a second limiting column 2.7. The first limiting mechanism 2.1 is arranged on both sides and the front end of the bottom plate 1.1, the second limiting mechanism 2.2 is arranged at the rear end of the bottom plate 1.1, the first limiting block 2.4 is arranged corresponding to the first limiting mechanism 2.1 and the second limiting mechanism 2.2, the first limiting column 2.3 is arranged between the first limiting block 2.4, the lower ends of the first limiting mechanisms 2.1 arranged on both sides of the bottom plate 1.1 are respectively against the upper ends of the third strip workpiece 1.4 and the fourth strip workpiece 1.5, and the first limiting mechanism 2.1 arranged at the front end of the bottom plate 1.1 is provided. The lower end of the limiting mechanism 2.1 abuts against the upper end of the second strip-shaped workpiece 1.3, the lower end of the second limiting mechanism 2.2 abuts against the first strip-shaped workpiece 1.2, the upper ends of the first limiting block 2.4 and the first limiting column 2.3 abut against the lower end of the base plate 1.1, the first positioning mechanism 2.5 is arranged between the first limiting mechanism 2.1 and the first limiting block 2.4, and the second limiting mechanism 2.2 and the first limiting block 2.4, the second positioning mechanism 2.6 is arranged on one side of the first limiting block 2.4 at the rear end of the base plate 1.1, through holes 1.1.1 are provided on both sides of the rear end of the base plate 1.1, the upper end of the second positioning mechanism 2.6 abuts against the side walls of the through holes 1.1.1, the second limiting column 2.7 is provided at one end and one side of the base plate 1.1, and the side walls of the second limiting column 2.7 abut against one end and one side of the base plate 1.1 respectively.

[0027] The setting direction of the first limiting mechanism 2.1 provided on both sides is perpendicular to the setting direction of the third strip workpiece 1.4 and the fourth strip workpiece 1.5 and is provided at the front and rear ends of the third strip workpiece 1.4 and the fourth strip workpiece 1.5. The setting direction of the first limiting mechanism 2.1 provided at the front end is perpendicular to the setting direction of the second strip workpiece 1.3 and is provided on both sides of the second strip workpiece 1.3. The first limiting mechanism 2.1 includes a first rotary pressing cylinder 2.1.1, and a first mounting block 2.1.2 is extended from the upper end of the first rotary pressing cylinder 2.1.1. A second limiting block 2.1.3 is provided on one side of the first mounting block 2.1.2. The lower end of the second limiting block 2.1.3 is respectively against the upper ends of the second strip workpiece 1.3, the third strip workpiece 1.4 and the fourth strip workpiece 1.5.

[0028] like Figure 3 As shown, the second limiting mechanism 2.2 is provided on both sides of the first strip-shaped workpiece 1.2, and the second limiting mechanism 2.2 includes a second rotary pressing cylinder 2.2.1, and a second mounting block 2.2.2 is extended from the upper end of the second rotary pressing cylinder 2.2.1, and a third limiting block 2.2.3 is provided on one side of the second mounting block 2.2.2, and a limiting groove 2.2.3.1 is provided at the lower end of the third limiting block 2.2.3, and the side walls of the limiting groove 2.2.3.1 are against the front and rear ends of the first strip-shaped workpiece 1.2.

[0029] like Figure 3 and Figure 4 As shown, a positioning block 2.2.4 is provided on one side of one of the third limit blocks 2.2.3, and a flat plate 1.2.1 is provided on the upper end of the first strip workpiece 1.2, and one side of the flat plate 1.2.1 abuts against one side of the positioning block 2.2.4.

[0030] like Figure 5 As shown, the first positioning mechanism 2.5 includes a positioning protrusion 2.5.1 and a positioning groove 2.5.2. The positioning protrusion 2.5.1 is respectively arranged at the lower end of the first mounting block 2.1.2 between the second limit block 2.1.3 and the first rotary pressing cylinder 2.1.1 and the lower end of the second mounting block 2.2.2 between the third limit block 2.2.3 and the second rotary pressing cylinder 2.2.1. The positioning groove 2.5.2 protrudes from the upper end of the first limit block 2.4 corresponding to the positioning protrusion 2.5.1. The positioning protrusion 2.5.1 is inserted into the positioning groove 2.5.2 so that the side wall of the positioning protrusion 2.5.1 is abutted against the side wall of the positioning groove 2.5.2.

[0031] like Figure 6As shown, the second positioning mechanism 2.6 includes a mounting base 2.6.1, one side of the mounting base 2.6.1 is connected to one side of the first limit block 2.4 provided at the rear end, and a first positioning column 2.6.2 is provided at the upper end of the mounting base 2.6.1, and the upper end of the first positioning column 2.6.2 passes through the through hole 1.1.1 and abuts against the side wall of the through hole 1.1.1.

[0032] The upper end of the first positioning column 2.6.2 is abutted against the side wall of the through hole 1.1.1 and the through hole 1.1.1 to determine the position of the bottom plate 1.1. At the same time, the upper end of the first limiting block 2.4 and the first limiting column 2.3 are abutted against the lower end of the bottom plate 1.1. The bottom plate 1.1 is adjusted so that one end of the bottom plate 1.1 is abutted against the side wall of the second limiting column 2.7 provided at one end of the bottom plate 1.1, and one side of the bottom plate 1.1 is abutted against the side wall of the second limiting column 2.7 provided on one side of the bottom plate 1.1. The second rotary pressing cylinder 2.2.1 drives the second mounting block 2.2.2 to rotate to the position of the positioning protrusion 2.5.1. Above the corresponding positioning groove 2.5.2, the second rotary pressing cylinder 2.2.1 drives the second mounting block 2.2.2 downward so that the positioning protrusion 2.5.1 is inserted into the positioning groove 2.5.2, so that the side wall of the positioning protrusion 2.5.1 abuts against the side wall of the positioning groove 2.5.2, thereby determining the position of the third limiting block 2.2.3. At the same time, the side wall of the limiting groove 2.2.3.1 abuts against the front and rear ends of the first strip workpiece 1.2, while limiting the position of the first strip workpiece 1.2, the position of one end of the first strip workpiece 1.2 is determined, and the first strip workpiece 1.2 is adjusted so that the flat plate 1.2 is flat. One side of 2.1 is against one side of the positioning block 2.2.4, and the position of one side of the first strip workpiece 1.2 is determined. The two sides of the first strip workpiece 1.2 are connected to one side of the rear end of the third strip workpiece 1.4 and the fourth strip workpiece 1.5, thereby determining the position of the third strip workpiece 1.4 and the fourth strip workpiece 1.5. The two sides of the second strip workpiece 1.3 are connected to one side of the front end of the third strip workpiece 1.4 and the fourth strip workpiece 1.5, thereby determining the position of the second strip workpiece 1.3. The first rotary pressing cylinder 2.1.1 drives the first mounting block 2.1.2 to rotate until the positioning protrusion 2.5.1 is set at Above the corresponding positioning groove 2.5.2, the first rotary pressing cylinder 2.1.1 drives the first mounting block 2.1.2 to move downward so that the positioning protrusion 2.5.1 is inserted into the positioning groove 2.5.2, so that the side wall of the positioning protrusion 2.5.1 abuts against the side wall of the positioning groove 2.5.2, thereby determining the position of the second limiting block 2.1.3. At the same time, the lower end of the second limiting block 2.1.3 abuts against the upper ends of the second strip workpiece 1.3, the third strip workpiece 1.4, and the fourth strip workpiece 1.5, respectively, thereby limiting the second strip workpiece 1.3, the third strip workpiece 1.4, and the fourth strip workpiece 1.5.

[0033] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A rear lower door of an energy storage chassis, characterized by: The rear lower door (1) comprises a base plate (1.1), a first strip-shaped workpiece (1.2), a second strip-shaped workpiece (1.3), a third strip-shaped workpiece (1.4) and a fourth strip-shaped workpiece (1.5) arranged at the upper end of the base plate (1.1); the first strip-shaped workpiece (1.2) is arranged at the rear end of the base plate (1.1); the second strip-shaped workpiece (1.3) is arranged at the front end of the base plate (1.1); the third strip-shaped workpiece (1.4) and the fourth strip-shaped workpiece (1.5) are respectively arranged on both sides of the base plate (1.1); the two sides of the first strip-shaped workpiece (1.2) are connected to one side of the rear end of the third strip-shaped workpiece (1.4) and the fourth strip-shaped workpiece (1.5); and the two sides of the second strip-shaped workpiece (1.3) are connected to one side of the front end of the third strip-shaped workpiece (1.4) and the fourth strip-shaped workpiece (1.5).

2. A production workbench, characterized in that: For a rear lower door of an energy storage box as claimed in claim 1, the production workbench (2) comprises a plurality of first limiting mechanisms (2.1), a second limiting mechanism (2.2), a first limiting column (2.3), a first limiting block (2.4), a first positioning mechanism (2.5), a second positioning mechanism (2.6), and a second limiting column (2.7), wherein the first limiting mechanism (2.1) is arranged on both sides and the front end of the bottom plate (1.1), and the second limiting mechanism (2.2 ) is arranged at the rear end of the base plate (1.1), the first limiting block (2.4) is arranged corresponding to the first limiting mechanism (2.1) and the second limiting mechanism (2.2), the first limiting column (2.3) is arranged between the first limiting blocks (2.4), the lower ends of the first limiting mechanisms (2.1) arranged on both sides of the base plate (1.1) respectively abut against the upper ends of the third strip workpiece (1.4) and the fourth strip workpiece (1.5), and the first limiting mechanism arranged at the front end of the base plate (1.1) The lower end of the second limiting mechanism (2.1) abuts against the upper end of the second strip-shaped workpiece (1.3); the lower end of the second limiting mechanism (2.2) abuts against the first strip-shaped workpiece (1.2); the upper ends of the first limiting block (2.4) and the first limiting column (2.3) abut against the lower end of the bottom plate (1.1); the first positioning mechanism (2.5) is provided between the first limiting mechanism (2.1) and the first limiting block (2.4), and between the second limiting mechanism (2.2) and the first limiting block (2.4). The second positioning mechanism (2.6) is provided on one side of the first limiting block (2.4) at the rear end of the base plate (1.1); through holes (1.1.1) are provided on both sides of the rear end of the base plate (1.1); the upper end of the second positioning mechanism (2.6) abuts against the side walls of the through holes (1.1.1); the second limiting column (2.7) is provided at one end and one side of the base plate (1.1); the side walls of the second limiting column (2.7) respectively abut against one end and one side of the base plate (1.1).

3. A production workbench according to claim 2, characterized in that: The first limiting mechanism (2.1) provided on both sides has a setting direction perpendicular to the setting direction of the third strip workpiece (1.4) and the fourth strip workpiece (1.5) and is provided at the front and rear ends of the third strip workpiece (1.4) and the fourth strip workpiece (1.5); the first limiting mechanism (2.1) provided at the front end has a setting direction perpendicular to the setting direction of the second strip workpiece (1.3) and is provided at both sides of the second strip workpiece (1.3); the first limiting mechanism (2.1) comprises a first rotary pressing cylinder (2.1.1); a first mounting block (2.1.2) is provided on the upper end of the first rotary pressing cylinder (2.1.1); a second limiting block (2.1.3) is provided on one side of the first mounting block (2.1.2); the lower end of the second limiting block (2.1.3) is respectively abutted against the upper ends of the second strip workpiece (1.3), the third strip workpiece (1.4) and the fourth strip workpiece (1.5).

4. A production workbench according to claim 2, characterized in that: The second limiting mechanism (2.2) is arranged on both sides of the first strip-shaped workpiece (1.2), and the second limiting mechanism (2.2) comprises a second rotary pressing cylinder (2.2.1); a second mounting block (2.2.2) is extended from the upper end of the second rotary pressing cylinder (2.2.1); a third limiting block (2.2.3) is provided on one side of the second mounting block (2.2.2); a limiting groove (2.2.3.1) is provided at the lower end of the third limiting block (2.2.3); and the side walls of the limiting groove (2.2.3.1) abut against the front and rear ends of the first strip-shaped workpiece (1.2).

5. A production workbench according to claim 4, characterized in that: A positioning block (2.2.4) is provided on one side of one of the third limiting blocks (2.2.3), and a flat plate (1.2.1) is provided on the upper end of the first strip-shaped workpiece (1.2), with one side of the flat plate (1.2.1) abutting against one side of the positioning block (2.2.4).

6. A production workbench according to claim 3 or 4, characterized in that: The first positioning mechanism (2.5) comprises a positioning protrusion (2.5.1) and a positioning groove (2.5.2); the positioning protrusion (2.5.1) is respectively arranged at the lower end of the first mounting block (2.1.2) between the second limiting block (2.1.3) and the first rotary pressing cylinder (2.1.1) and the lower end of the second mounting block (2.2.2) between the third limiting block (2.2.3) and the second rotary pressing cylinder (2.2.1); the positioning groove (2.5.2) is protruding from the upper end of the first limiting block (2.4) corresponding to the positioning protrusion (2.5.1); the positioning protrusion (2.5.1) is inserted into the positioning groove (2.5.2) so that the side wall of the positioning protrusion (2.5.1) abuts against the side wall of the positioning groove (2.5.2).

7. A production workbench according to claim 2, characterized in that: The second positioning mechanism (2.6) comprises a mounting seat (2.6.1), one side of the mounting seat (2.6.1) is connected to one side of a first limiting block (2.4) provided at the rear end, a first positioning column (2.6.2) is provided at the upper end of the mounting seat (2.6.1), and the upper end of the first positioning column (2.6.2) passes through the through hole (1.1.1) and abuts against the side wall of the through hole (1.1.1).

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