CN220240511U - Island processing tool - Google Patents

Abstract

The utility model provides a middle island processing tool, which belongs to the technical field of middle island processing equipment, and comprises a tool base, wherein the tool base is fixedly connected with an operation table through a first support column and a second support column, a first fixing component for fixing a side plate of the middle island, a second fixing component for fixing a first connecting strip, a third fixing component for fixing a second connecting strip and a fourth pressing piece for fixing a connecting plate are arranged on the operation table, and when the middle island processing tool is used, the first fixing component, the second fixing component, the third fixing component and the fourth pressing piece are mutually matched, so that each component of a main body of a display cabinet is respectively and rapidly and accurately positioned and fixed, and the welding processing work of the main body of the display cabinet is rapidly completed by matching with intelligent welding equipment, thereby being beneficial to improving the production efficiency and the processing quality of the middle island display cabinet, being beneficial to reducing the dependence on the welding capability of workers and expanding the production scale.

Description

Island processing tool

Technical Field

The utility model relates to the technical field of middle island processing equipment, in particular to a middle island processing tool.

Background

The island showcase is generally arranged in the middle of a storefront, is a showcase frequently used in shoe stores at present, and is generally placed on the island showcase for changing new products or playing the role of attracting eyeballs.

The middle island showcase is various in appearance, the middle island showcase comprises a showcase main body, the showcase main body is formed by encircling four middle island side plates, a cavity is formed in the middle of the showcase main body, a cover plate is connected to the upper end of the showcase main body, shoe exhibits are placed on the cover plate, a first connecting strip and a second connecting strip which are mutually perpendicular are further arranged in the cavity, the first connecting strip and the second connecting strip are respectively fixedly connected with the corresponding middle island side plates, a connecting plate is further connected between the adjacent middle island side plates, and the effect of improving the mechanical strength of the showcase main body is achieved under the cooperation of the first connecting strip, the second connecting strip and the connecting plate.

The original middle island showcase processing technology adopts a manual argon arc welding mode to weld, the welding mode has higher requirement on the welding capability of workers, the dependency is strong, the error between the welded middle island showcase finished products is larger, and the production efficiency and the processing quality of the middle island showcase are seriously influenced.

In order to effectively improve the production efficiency and the processing quality of the middle island showcase, the dependence on the welding capability of workers is eliminated, intelligent welding equipment is introduced into the existing processing technology, and the original tooling for processing the middle island showcase does not meet the requirements of the existing processing technology, so that the middle island processing tooling which can be adapted to the intelligent welding equipment is needed, and the positioning and the fixing of each component of the middle island showcase can be realized during welding, so that the welding precision is effectively ensured by matching with the intelligent welding equipment, and the production efficiency and the processing quality of the middle island showcase are improved.

Disclosure of Invention

In order to solve the problems in the prior art, the middle island processing tool is provided. The device is easy to operate, and reasonable in structure, the device comprises a tool base, the tool base is fixedly connected with an operation table through a first support column and a second support column, a first fixing component for fixing a middle island side plate, a second fixing component for fixing a first connecting strip, a third fixing component for fixing a second connecting strip and a fourth pressing piece for fixing a connecting plate are arranged on the operation table, and when the device is used, the quick and accurate positioning and fixing of each component of the middle island showcase can be respectively carried out, and the welding processing work of the middle island showcase can be quickly completed by matching with intelligent welding equipment, so that the production efficiency and the processing quality of the middle island showcase can be improved, the dependence on the welding capability of workers can be reduced, and the production scale can be enlarged.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a well island processing frock, includes the frock base, the first support column of frock base both ends fixedly connected with direction is vertical respectively and the second support column, the height of first support column is higher than the height of second support column, first support column with the common fixedly connected with operation panel of upper end of second support column, the operation panel is annular interval and is provided with the first fixed subassembly that is arranged in fixed well island curb plate, first fixed subassembly includes first pressure piece, first pressure piece cooperation is provided with the locating piece, first pressure piece and locating piece are located the both sides of well island curb plate, the locating piece with well island curb plate sliding contact, first pressure piece with well island curb plate contact.

Preferably, the first pressing piece comprises a first connecting column, the lower end of the first connecting column is fixedly connected with the operating platform, the upper end of the first connecting column is fixedly connected with a first support, a first pressing rod is arranged on the first support in a penetrating mode and is connected with the first pressing rod in a sliding mode, a first handle is hinged to the first support, one end, far away from the side plate of the middle island, of the first pressing rod is hinged to the first handle, one end, close to the side plate of the middle island, of the first pressing rod is connected with a first pressing head, and the first pressing head is in contact with the side plate of the middle island.

Preferably, the lower end of the positioning block is fixedly connected with the operating platform, the positioning block is sequentially provided with a first clamping groove and a second clamping groove which are matched with the side plate of the middle island from bottom to top, the first clamping groove is communicated with the second clamping groove, the side plate of the middle island is penetrated in the first clamping groove and the second clamping groove, and the side plate of the middle island is respectively in sliding contact with the first clamping groove and the second clamping groove.

Preferably, the first support column, the second support column and the first connecting column are all square pipes.

Preferably, the operation panel fixedly connected with is used for the second fixed subassembly of fixed first connecting strip, the second fixed subassembly is including the second supporting shoe that the symmetry set up, two sets of have the interval between the second supporting shoe, the lower extreme of second supporting shoe with operation panel fixed connection, the upper end of second supporting shoe seted up with the second spout of first connecting strip looks adaptation, first connecting strip wears to establish in the second spout and with second spout sliding contact.

Preferably, the operation panel fixedly connected with is used for fixing the third fixed subassembly of second connecting strip, third fixed subassembly is including the third pressure piece that the symmetry set up, the third is pressed and is held the piece and include the third spliced pole, the third spliced pole lower extreme with operation panel fixed connection, the third spliced pole upper end seted up with the third draw-in groove of second connecting strip adaptation, the third spliced pole still articulates has the third to press and holds the pole, the third is pressed and is held the pole and be connected with the third and is pressed and hold the head, the third is pressed and is held the head and be located the top of third draw-in groove, the second connecting strip slides and wears to establish in the third draw-in groove, the third is pressed and is held the head with the contact of second connecting strip.

Preferably, the two sets of third pressing members are respectively located at two sides of the second fixing assembly, the third clamping groove is located above the second sliding groove, and the distance between the bottom of the third clamping groove and the bottom of the second sliding groove is matched with the height of the first connecting strip.

Preferably, the operation panel is annular interval and is provided with the fourth that is used for fixed connection board and presses and hold the piece, the fourth is pressed and is held the piece and include the fourth support, fourth support fixed connection is in on the operation panel, fourth support wears to establish and sliding connection has the fourth to press and hold the pole, it has the fourth handle to articulate on the fourth support, the fourth is pressed and is held the pole and is close to the one end of connecting plate is provided with the fourth and presses and hold the head, the fourth is pressed and is held the pole and keep away from the one end of connecting plate with the fourth handle articulates.

Preferably, the fourth pressing head is fixedly connected with a strong magnetic sheet.

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

1. according to the utility model, the operation table is fixedly connected with the tool base through the first support column and the second support column, and the height of the first support column is higher than that of the second support column, so that the operation table is inclined to a certain extent relative to the tool base, and the inclined angle is matched with the visual angle of each component of the middle island showcase placed by a worker, so that the posture of the worker is more comfortable when the worker places and fixes each component of the middle island showcase to the operation table, fatigue is delayed, and the production efficiency is improved.

2. The operation table is provided with the first fixing component for fixing the side plate of the middle island, the second fixing component for fixing the first connecting strip, the third fixing component for fixing the second connecting strip and the fourth pressing component for fixing the connecting plate, and the first fixing component, the second fixing component and the fourth pressing component of the third fixing component are independent in structure and function, do not interfere with each other in use, are convenient for workers to operate, and are beneficial to improving the production efficiency of the middle island showcase.

3. According to the utility model, the first clamping groove and the second clamping groove are sequentially formed in the positioning block from bottom to top, the first clamping groove and the second clamping groove are communicated, the first clamping groove and the second clamping groove are matched with the cross section of the middle island side plate, the middle island side plate is respectively in sliding contact with the first clamping groove and the second clamping groove, under the cooperation of the first clamping groove and the second clamping groove, the height of the middle island side plate is accurately positioned and controlled, meanwhile, the first clamping groove and the second clamping groove also provide more stable support for the middle island side plate, the stress of the middle island side plate is more uniform, the deformation is avoided, and the welding quality of the middle island showcase is improved.

4. According to the utility model, the second fixing component is provided with the second sliding groove matched with the first connecting strip, the third fixing component is provided with the third clamping groove matched with the second connecting strip, the height of the bottom of the third clamping groove is higher than that of the bottom of the second sliding groove, and the height difference between the bottom of the third clamping groove and the bottom of the second sliding groove is matched with that of the first connecting strip, so that when the first connecting strip is penetrated into the second sliding groove and the second connecting strip is penetrated into the third clamping groove, the bottom of the second connecting strip is contacted with the top of the first connecting strip, and the pressing and fixing of the first connecting strip and the second connecting strip can be simultaneously realized through the third pressing and holding head, thereby being beneficial to reducing the complexity of a tool, ingenious design, convenient operation and improving the processing efficiency.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of a first fixing assembly according to the present utility model;

FIG. 3 is a schematic view of a second support block according to the present utility model;

FIG. 4 is a schematic view of a third press-holder according to the present utility model;

FIG. 5 is a schematic view of a fourth press-holder according to the present utility model;

FIG. 6 is an overall top view of the island showcase of the present utility model;

FIG. 7 is a schematic illustration of the connection of the present utility model to a mid-island body.

Reference numerals illustrate:

1, a tooling base; 2, an operation table; 3, positioning blocks; 4 a first press-holding member; 5 a fourth press-holding member; 6, a second supporting block; a third press-holding member; 10 a first support column; 11 second support columns; 31 a first card slot; 32 second clamping grooves; 40 first connecting posts; 41 a first support; 42 a first handle; 43 a first hold-down bar; 44 a first press head; a fourth support 50; a fourth handle 51; 52 a fourth hold-down bar; 53 a fourth press head; 60 a second chute; 70 a third connecting column; 72 a third support; 73 a third handle; 74 adjusting the bolts; 75 a third hold-down bar; 76 a third press head; 77 a third card slot; 80 middle island side plates; 81 connecting plates; 82 a first connecting strip; 83 a second connecting strip.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Example 1

As shown in fig. 1-7, this embodiment provides a middle island processing tool, which is used for fixing and positioning each component of the showcase main body when the showcase main body is welded.

The middle island showcase is various in appearance, and referring to fig. 6-7, the middle island showcase related to the utility model is of a square structure, the middle island showcase comprises a showcase main body, the showcase main body is formed by encircling four middle island side plates 80, a cavity is formed in the middle of the showcase main body, a cover plate is connected to the upper end of the showcase main body, footwear exhibits are placed on the cover plate, a first connecting strip 82 and a second connecting strip 83 which are mutually perpendicular are further arranged in the cavity, the second connecting strip 83 is positioned above the first connecting strip 82 and is in contact with the first connecting strip 82, the first connecting strip 82 and the second connecting strip 83 are respectively fixedly connected with the corresponding middle island side plates 80, a connecting plate 81 is further connected between the adjacent middle island side plates 80, and the effect of improving the mechanical strength of the showcase main body is achieved under the cooperation of the first connecting strip 82, the second connecting strip 83 and the connecting plates 81.

The island processing frock that this embodiment provided, including frock base 1, frock base 1 both ends are vertical first support column 10 of fixedly connected with direction and second support column 11 respectively, and in this embodiment, frock base 1 sets up to square, and frock base 1 and first support column 10 and second support column 11 are made by square tube.

The operation panel 2 is fixedly connected with jointly the upper ends of first support column 10 and second support column 11, and in this embodiment, operation panel 2 is also formed by square tube welding, and operation panel 2 is a polygonal structure, and operation panel 2 is used for placing and fixing each subassembly of showcase main part, cooperates intelligent welding equipment, realizes the weldment work of showcase main part.

It should be noted that, the height of the first support column 10 is higher than the height of the second support column 11, so that the operation console 2 is inclined to a certain extent relative to the tool base 1, and the inclination angle is adapted to the viewing angle of each component of the main body of the showcase placed by the worker, so that the posture of the worker is more comfortable when the worker places and fixes each component of the main body of the showcase towards the operation console 2, fatigue is delayed, and production efficiency is improved.

The operation panel 2 is provided with first fixing components for fixing the side panel 80 of the middle island at annular intervals, in this embodiment, the upper end and the lower end of the operation panel 2 are respectively provided with two groups of first fixing components, and the left end and the right end of the operation panel 2 are respectively provided with one group of first fixing components.

The first fixed subassembly includes first pressure piece 4, and first pressure piece 4 cooperation is provided with locating piece 3, and during the use, first pressure piece 4 and locating piece 3 are located the both sides of well island curb plate 80, and first pressure piece 4 and locating piece 3 play the effect of the fixed well island curb plate 80 of centre gripping, locating piece 3 and well island curb plate 80 sliding contact, and first pressure piece 4 and well island curb plate 80 contact.

The first pressing member 4 includes a first connecting column 40, and the lower end of the first connecting column 40 is fixedly connected with the console 2, in this embodiment, the first connecting column 40 is configured as a square tube.

The upper end of the first connecting column 40 is fixedly connected with a first support 41, a first pressing and holding rod 43 is arranged on the first support 41 in a penetrating and sliding mode, a first handle 42 is hinged to the first support 41, one end, away from the middle island side plate 80, of the first pressing and holding rod 43 is hinged to the first handle 42, one end, close to the middle island side plate 80, of the first pressing and holding rod 43 is connected with a first pressing and holding head 44, and the first pressing and holding head 44 is in contact with the middle island side plate 80.

The lower extreme and the operation panel 2 fixed connection of locating piece 3, locating piece 3 from down upwards have seted up first draw-in groove 31 and the second draw-in groove 32 with the interior island curb plate 80 adaptation in proper order, and first draw-in groove 31 and second draw-in groove 32 intercommunication, the cross-section adaptation of first draw-in groove 31 and second draw-in groove 32 and interior island curb plate 80 wear to establish in first draw-in groove 31 and second draw-in groove 32, and interior island curb plate 80 respectively with first draw-in groove 31 and second draw-in groove 32 sliding contact.

Under the cooperation of the first clamping groove 31 and the second clamping groove 32, the positioning block 3 not only accurately positions and controls the height of the middle island side plate 80, but also provides more stable support for the middle island side plate 80, so that the stress of the middle island side plate 80 is more uniform, deformation is avoided, and the welding quality of a showcase main body is improved.

The operation panel 2 is further fixedly connected with a second fixing component for fixing the first connecting strip 82, the second fixing component comprises second supporting blocks 6 which are symmetrically arranged, a space is reserved between the two groups of second supporting blocks 6, the lower end of each second supporting block 6 is fixedly connected with the operation panel 2, a second sliding groove 60 which is matched with the first connecting strip 82 is formed in the upper end of each second supporting block 6, and the first connecting strip 82 penetrates through the second sliding groove 60 and is in sliding contact with the second sliding groove 60.

The operation panel 2 is further fixedly connected with a third fixing component used for fixing the second connecting strip 83, the third fixing component comprises third pressing pieces 7 which are symmetrically arranged, each third pressing piece 7 comprises a third connecting column 70, the lower end of each third connecting column 70 is fixedly connected with the operation panel 2, a third clamping groove 77 which is matched with the second connecting strip 83 is formed in the upper end of each third connecting column 70, the upper end of each third connecting column 70 is fixedly connected with a third support 72 through a cushion block, a third pressing rod 75 is hinged to the third support 72, one end, close to the corresponding third clamping groove 77, of each third pressing rod 75 is connected with a third pressing head 76 through an adjusting bolt 74, each third pressing head 76 is located above each third clamping groove 77, and the adjusting bolt 74 is used for adjusting the distance between each third pressing head 76 and each third pressing head 76, so that pressing force is adjusted.

The third support 72 is further hinged with a third handle 73, the third handle 73 is hinged with a third pressing rod 75, and the third handle 73 is used for driving the third pressing rod 75 to rotate.

In use, the second connecting bar 83 is slidably inserted into the third clamping groove 77, and the third pressing head 76 contacts with the second connecting bar 83 under the driving of the third handle 73.

It should be noted that, the two sets of third pressing members 7 are respectively located at two sides of the second fixing assembly, the third clamping groove 77 is located above the second sliding groove 60, and the distance between the bottom of the third clamping groove 77 and the bottom of the second sliding groove 60 is adapted to the height of the first connecting strip 82.

When the first connecting strip 82 is penetrated into the second sliding groove 60 and the second connecting strip 83 is penetrated into the third clamping groove 77, the bottom of the second connecting strip 83 is contacted with the top of the first connecting strip 82, and when the third pressing head 76 is contacted with and pressed against the second connecting strip 83, the second connecting strip 83 simultaneously presses and holds the first connecting strip 82, so that the complexity of the tool is reduced, the design is ingenious, the operation is convenient, and the processing efficiency is improved.

The operation table 2 is provided with fourth pressing members 5 for fixing the connection plate 81 at annular intervals, and in this embodiment, the fourth pressing members 5 are provided in four groups.

The fourth pressing piece 5 comprises a fourth support 50, the fourth support 50 is fixedly connected to the operating platform 2 through a cushion block, a fourth pressing rod 52 is arranged on the fourth support 50 in a penetrating mode and connected in a sliding mode, a fourth handle 51 is hinged to the fourth support 50, a fourth pressing head 53 is arranged at one end, close to the connecting plate 81, of the fourth pressing rod 52, the fourth pressing head 53 is in contact with the connecting plate 81, and one end, far away from the connecting plate 81, of the fourth pressing rod 52 is hinged to the fourth handle 51.

It should be noted that, the side of the fourth pressing head 53, which is close to the connecting plate 81, is fixedly connected with a strong magnetic sheet, and the fourth pressing head better plays a role in fixing the connecting plate 81 under the adsorption action of the strong magnetic sheet.

The specific working process is as follows:

before welding, the four middle island side plates 80 are sequentially penetrated between the corresponding first pressing piece 4 and the positioning block 3, the middle island side plates 80 are respectively in sliding contact with the first clamping groove 31 and the second clamping groove 32, the positioning block 3 accurately positions and controls the height of the middle island side plates 80, and meanwhile, more stable support is provided for the middle island side plates 80.

The first handle 42 is rotated, the first handle 42 drives the first pressing head 44 to move towards the positioning block 3, and finally, the first pressing head 44 contacts and presses the middle island side plate 80 to cooperate with the positioning block 3, so that the fixing work of the middle island side plate 80 is realized.

The first connecting strip 82 is inserted into the second chute 60, and at this time, two ends of the first connecting strip 82 are respectively contacted with the side plates 80 of the middle island, so as to realize the fixing of the first connecting strip 82.

The second connecting bar 83 is inserted into the third clamping groove 77, at this time, two ends of the second connecting bar 83 are respectively contacted with the middle island side plate 80, the third handle 73 is rotated, the third handle 73 drives the third pressing head 76 to move towards the third clamping groove 77, and finally, the third pressing head 76 is contacted with the second connecting bar 83 and extruded, so that the fixing work of the second connecting bar 83 is realized.

The connecting plate 81 is placed on the fourth pressing head 53, under the action of the strong magnetic sheet on the fourth pressing head 53, the connecting plate 81 can be firmly adsorbed on the fourth pressing head 53, the fourth handle 51 is rotated, the fourth pressing head 53 drives the connecting plate 81 to approach the island side plate 80, and finally, two ends of the connecting plate 81 are respectively contacted with the island side plate 80, so that the fixing work of the connecting plate 81 is completed.

After the fixing work is finished, the intelligent welding equipment is started, and the intelligent welding equipment performs locating welding, so that the welding processing work of the middle island showcase is completed.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a well island processing frock, includes frock base (1), its characterized in that, frock base (1) both ends are vertical first support column (10) and second support column (11) of fixedly connected with direction respectively, the height of first support column (10) is higher than the height of second support column (11), first support column (10) with the common fixedly connected with operation panel (2) of upper end of second support column (11), operation panel (2) are annular interval and are provided with the first fixed subassembly that is used for fixed well island curb plate (80), first fixed subassembly includes first pressure piece (4), first pressure piece (4) cooperation is provided with locating piece (3), first pressure piece (4) and locating piece (3) are located the both sides of well island curb plate (80), locating piece (3) with well island curb plate (80) sliding contact, first pressure piece (4) with well island curb plate (80) contact.

2. The island processing tool according to claim 1, wherein the first pressing piece (4) comprises a first connecting column (40), the lower end of the first connecting column (40) is fixedly connected with the operation table (2), a first support (41) is fixedly connected to the upper end of the first connecting column (40), a first pressing rod (43) is arranged on the first support (41) in a penetrating and sliding mode, a first handle (42) is hinged to the first support (41), one end, far away from the island side plate (80), of the first pressing rod (43) is hinged to the first handle (42), one end, close to the island side plate (80), of the first pressing rod (43) is connected with a first pressing head (44), and the first pressing head (44) is in contact with the island side plate (80).

3. The island processing tool according to claim 2, wherein the lower end of the positioning block (3) is fixedly connected with the operation table (2), the positioning block (3) is sequentially provided with a first clamping groove (31) and a second clamping groove (32) which are matched with the island side plate (80) from bottom to top, the first clamping groove (31) is communicated with the second clamping groove (32), the island side plate (80) is arranged in the first clamping groove (31) and the second clamping groove (32) in a penetrating manner, and the island side plate (80) is in sliding contact with the first clamping groove (31) and the second clamping groove (32) respectively.

4. A mid-island tooling according to claim 3, wherein the first support column (10), the second support column (11), and the first connecting column (40) are all square tubes.

5. The island processing tool according to claim 1, wherein the operation table (2) is fixedly connected with a second fixing component for fixing the first connecting strip (82), the second fixing component comprises second supporting blocks (6) symmetrically arranged, two groups of second supporting blocks (6) are spaced, the lower end of each second supporting block (6) is fixedly connected with the operation table (2), a second sliding groove (60) matched with the first connecting strip (82) is formed in the upper end of each second supporting block (6), and the first connecting strip (82) is arranged in the second sliding groove (60) in a penetrating mode and is in sliding contact with the second sliding groove (60).

6. The island processing tool according to claim 5, wherein the operation table (2) is fixedly connected with a third fixing component for fixing the second connecting bar (83), the third fixing component comprises a third pressing part (7) symmetrically arranged, the third pressing part (7) comprises a third connecting column (70), the lower end of the third connecting column (70) is fixedly connected with the operation table (2), a third clamping groove (77) matched with the second connecting bar (83) is formed in the upper end of the third connecting column (70), a third pressing rod (75) is further hinged to the third connecting column (70), a third pressing head (76) is connected to the third pressing rod (75), the third pressing head (76) is located above the third clamping groove (77), the second connecting bar (83) is slidably arranged in the third clamping groove (77), and the third pressing head (76) is in contact with the second connecting bar (83).

7. The island machining tool according to claim 6, wherein two groups of third pressing members (7) are respectively located at two sides of the second fixing assembly, the third clamping groove (77) is located above the second sliding groove (60), and the distance between the bottom of the third clamping groove (77) and the bottom of the second sliding groove (60) is matched with the height of the first connecting strip (82).

8. The island processing tool according to claim 7, wherein the operating table (2) is provided with fourth pressing members (5) for fixing the connecting plate (81) at annular intervals, the fourth pressing members (5) comprise fourth supports (50), the fourth supports (50) are fixedly connected to the operating table (2), fourth pressing rods (52) penetrate through the fourth supports (50) and are connected with the fourth supports in a sliding mode, fourth handles (51) are hinged to the fourth supports (50), fourth pressing heads (53) are arranged at one ends, close to the connecting plate (81), of the fourth pressing rods (52), and one ends, far away from the connecting plate (81), of the fourth pressing rods (52) are hinged to the fourth handles (51).

9. The island processing tool according to claim 8, wherein the fourth pressing head (53) is fixedly connected with a strong magnetic sheet.