CN211276264U

CN211276264U - Clamping system of steel pipe sealing machine

Info

Publication number: CN211276264U
Application number: CN201921833089.4U
Authority: CN
Inventors: 杨华杰; 王明森; 卜相涛; 高印军; 王大勇; 杜恒志
Original assignee: Shandong Warman Machinery Technology Co ltd; Water Resources Research Institute of Shandong Province
Current assignee: Shandong Warman Machinery Technology Co ltd; Water Resources Research Institute of Shandong Province
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-18
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a clamping system of a steel pipe sealing machine, which comprises two clamping components arranged on a machine body in a sliding way, wherein each clamping component comprises a pressing mechanism for pressing and fixing a steel pipe, a steel pipe positioning mechanism for positioning the extending length of the end part of the steel pipe, a bracket positioning mechanism for determining the initial position of a sealing mechanism and a locking mechanism for locking and fixing the pressing mechanism; the utility model can automatically position the extension length of the two ends of the steel pipe, and improve the positioning accuracy; the device can be suitable for steel pipes with any length, and has wide application range and high practicability; the upper and lower compression dies can be synchronously adjusted, the alignment of the two compression dies is ensured, the time for replacing different steel pipes is less, and the efficiency is high; the initial position of the sealing mechanism can be automatically adjusted after the steel pipe is replaced.

Description

Clamping system of steel pipe sealing machine

Technical Field

The utility model relates to a clamping system of steel pipe capper belongs to steel pipe capper technical field.

Background

In the production process of some special metal pipe goods, need carry out the head to hollow pipe tip with the capper, make its tip be sealing mechanism, the capper is including sealing mechanism, heating mechanism and steel pipe clamping mechanism, seals the in-process, and the steel pipe passes through steel pipe clamping mechanism and presss from both sides tightly fixed, then heats to red hot state through heating mechanism, then seals the mechanism through sealing and to steel pipe tip extrusion. The existing steel pipe pressing mechanism has the following defects:

1. the existing steel pipe clamping mechanism clamps and fastens the two ends of a steel pipe at regular time, and the length of the steel pipe extending out of the clamping mechanism is generally determined manually, so that the extending lengths of the two ends are different when the steel pipe is clamped, the positioning is inaccurate, and the sealing effect is influenced.

2. When the existing steel pipe clamping mechanism clamps a pipe, the steel pipe clamping mechanism can only clamp the steel pipe with one length or a plurality of lengths, and can not clamp and fix the steel pipe with any length, so that the application range is small, and the practicability is low.

3. When the steel pipes with different lengths are replaced by the conventional steel pipe pressing mechanism, the two pressing dies cannot be synchronously adjusted, so that the two pressing dies cannot be well aligned, the steel pipes cannot be pressed tightly, and long time is consumed for replacing different steel pipes, and the efficiency is low.

4. When the existing steel pipe clamping mechanism is used for replacing steel pipes with different lengths, the initial position of the sealing mechanism needs to be manually adjusted, the operation is troublesome, and the risk is high.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a clamping system of a steel tube sealing machine, which can automatically position the extension lengths of the two ends of the steel tube and improve the positioning accuracy; the device can be suitable for steel pipes with any length, and has wide application range and high practicability; the upper and lower compression dies can be synchronously adjusted, the alignment of the two compression dies is ensured, the time for replacing different steel pipes is less, and the efficiency is high; the initial position of the sealing mechanism can be automatically adjusted after the steel pipe is replaced.

For solving the technical problem, the utility model discloses a following technical scheme: the clamping system of the steel tube sealing machine comprises two clamping assemblies which are arranged on a machine body in a sliding mode, wherein each clamping assembly comprises a pressing mechanism used for pressing and fixing a steel tube, a steel tube positioning mechanism used for positioning the extending length of the end part of the steel tube, a support positioning mechanism used for determining the initial position of the sealing mechanism and a locking mechanism used for locking and fixing the pressing mechanism.

Furthermore, the pressing mechanism comprises an upper pressing die and a lower pressing die, and the upper pressing die is fixed on the support; the pressing lower die is fixed on the lower die base plate; the bracket and the lower die base plate are respectively arranged on the machine body in a sliding manner; the support and the lower die base plate are fixedly connected through a first connecting plate.

Furthermore, the steel pipe positioning mechanism comprises a positioning shaft, and the positioning shaft is arranged on the pressing mechanism at a position corresponding to the extending position of the steel pipe; when the end part of the steel pipe is positioned, the side part of the positioning shaft is abutted against the end part of the steel pipe; the positioning shaft is vertically arranged in a sliding mode.

Further, the bracket positioning mechanism is arranged on the side part of the bracket; the support positioning mechanism comprises a positioning inserted rod, the positioning inserted rod is transversely arranged in a rod sleeve in a sliding mode, and the rod sleeve transversely penetrates through the support; the end part of the positioning inserted bar can be fixedly inserted into or separated from the positioning seat; the positioning seat is fixedly arranged on the sealing mechanism.

Further, the locking device is arranged on the side part of the bracket; the locking device comprises a locking block; the locking block is fixed on the side part of the bracket through a bolt; the bottom of the locking block is provided with a long slot; a locking bolt is arranged on one side, perpendicular to the long groove, of the locking block; the locking bolt penetrates into the long groove of the locking block.

Furthermore, the upper pressing die is driven by a pressing oil cylinder to move up and down, and the upper pressing die is fixedly connected with the sliding shaft through a connecting block; the sliding shaft is connected to the fixing piece in a sliding mode through the linear bearing, and the top end of the sliding shaft is fixedly connected with a piston rod of the compression oil cylinder through a connecting nut.

Further, the locking block is arranged on the fixing plate in a sliding mode through the long-shaped groove; a locking plate is arranged in the long groove of the locking block; when locking, the end part of the locking bolt tightly pushes the locking plate and the fixing plate.

Further, the pressing upper die is arranged right above the pressing lower die; the opposite surfaces of the upper pressing die and the lower pressing die are provided with long grooves for placing steel pipes, and the cross sections of the long grooves are semicircular; the pressing oil cylinder is vertically and fixedly connected to the top of the fixing piece through an oil cylinder flange; the side part of the fixing part is fixedly connected with the bracket.

Furthermore, the positioning seat is provided with an insertion hole, and the insertion hole and the central axis of the hollow cavity of the rod sleeve are at the same horizontal height; and a sensor is arranged between the positioning seat and the support and used for monitoring whether the positioning inserted bar is separated from the positioning seat.

Furthermore, the positioning shaft is sleeved in the sliding sleeve in a sliding manner, and the bottom end of the sliding sleeve is fixedly inserted on the connecting plate; the bottom end of the positioning shaft is fixedly connected with a telescopic rod of the air cylinder; the air cylinder is fixedly arranged on the second connecting plate through a fixed sleeve; and the second connecting plate is fixedly arranged at the bottom of the lower die base plate.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model can automatically position the extension length of the two ends of the steel pipe, and improve the positioning accuracy; the device can be suitable for steel pipes with any length, and has wide application range and high practicability; the upper and lower compression dies can be synchronously adjusted, the alignment of the two compression dies is ensured, the time for replacing different steel pipes is less, and the efficiency is high; the initial position of the sealing mechanism can be automatically adjusted after the steel pipe is replaced.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the hold-down mechanism;

FIG. 3 is a top view of the hold-down mechanism;

FIG. 4 is a schematic structural view of the locking mechanism;

FIG. 5 is a schematic structural view of a stent positioning mechanism;

FIG. 6 is a schematic structural view of a steel pipe positioning mechanism;

FIG. 7 is a schematic view of the positioning socket in position on the closure mechanism;

in the figure, the position of the upper end of the main shaft,

11-machine body, 12-sealing mechanism, 13-linear guide, 14-fixing plate, 15-bracket, 151-bottom beam, 16-pressing mechanism, 161-pressing oil cylinder, 162-oil cylinder flange, 163-connecting nut, 164-linear bearing, 165-fixing part, 166-connecting block, 167-pressing upper die, 168-pressing lower die, 169-first connecting plate, 1610-limiting support plate, 1611-limiting shaft seat plate, 1612-limiting shaft, 1613-lower die seat plate, 1614-sliding shaft, 17-locking mechanism, 171-locking block, 172-adjusting shim plate, 173-locking plate, 174-locking bolt, 18-bracket positioning mechanism, 181-positioning inserted rod, 182-rod sleeve, 183-sensor, 184-sensor bracket, 185-positioning seat, 19-steel pipe positioning mechanism, 191-positioning shaft, 192-dust ring, 193-sliding sleeve, 194-second connecting plate, 195-fixing sleeve and 196-cylinder.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiment 1 clamping system of steel pipe capper

As shown in fig. 1-7, the utility model provides a clamping system of a steel tube sealing machine, which comprises two clamping components, wherein the two clamping components are respectively used for clamping two ends of a steel tube; the two clamping components are respectively arranged at two ends of the machine body 11 in a sliding manner; the clamping assembly comprises a support 15, a pressing mechanism 16, a locking mechanism 17, a support positioning mechanism 18 and a steel pipe positioning mechanism 19; the support 15 is a frame structure formed by welding profile steels, and the number of the supports 15 is two; the two brackets 15 are both arranged on the linear guide rail 13 in a sliding manner; the number of the linear guide rails 13 is four; the four linear guides 13 are arranged parallel to each other.

The pressing mechanism 16 comprises an upper pressing die 167, a lower pressing die 168 and a pressing oil cylinder 161, wherein the upper pressing die 167 is arranged right above the lower pressing die 168; the pressing upper die 167 and the pressing lower die 168 are both of cuboid structures, long grooves used for placing steel pipes are formed in the opposite surfaces of the pressing upper die 167 and the pressing lower die 168, and the cross sections of the long grooves are semicircular.

The pressing upper die 167 is driven by the pressing oil cylinder 161 to move up and down, and specifically, the top of the pressing upper die 167 is fixedly connected with the connecting block 166; the top end of the connecting block 166 is fixedly connected to the bottom end of the sliding shaft 1614; the sliding shaft 1614 is slidably connected to the fixing member 165 through the linear bearing 164, and the fixing member 165 is a rectangular parallelepiped structure with a hollow interior; the fixing member 165 is vertically disposed; the side part of the fixing piece 165 is fixedly connected with the bracket 15; the top end of the sliding shaft 1614 is fixedly connected with a piston rod of the pressing oil cylinder 161 through a connecting nut 163; the pressing oil cylinder 161 is vertically and fixedly connected to the top of the fixing piece 165 through an oil cylinder flange 162; the cylinder flange 162 is a cylindrical structure, and a piston rod of the pressing cylinder 161 moves up and down in an inner cavity of the cylinder flange 162.

The pressing lower die 168 is fixedly arranged on the lower die base plate 1613; the lower die base plate 1613 is slidably arranged on the two outer linear guide rails 13; the lower die base plate 1613 is of a cuboid structure; two ends of the lower die base plate 1613 are fixedly provided with first connecting plates 169; the first connecting plate 169 is fixedly connected to the frame 15, so that the pressing upper die 167 and the pressing lower die 168 fixed to the frame 15 slide synchronously.

A limiting support plate 1610 is fixedly arranged on one side of the lower die base plate 1613 close to the end of the clamping steel pipe, a limiting shaft base plate 1611 is fixedly arranged on the side of the limiting support plate 1610, and a limiting shaft 1612 is fixedly arranged on the limiting shaft base plate 1611; the limiting shaft 1612 can prevent the sealing mechanism 12 from colliding with the pressing mechanism 16 in an emergency of excessive movement, so as to play a role in protection; the sealing mechanism 12 is slidably disposed on two linear guide rails 13 on the inner side.

When the pressing mechanism 16 works, the pressing cylinder 161 drives the pressing upper die 167 to move downwards through the sliding shaft 1614, and the pressing upper die cooperates with the pressing lower die 168 to clamp the steel pipe placed in the long groove of the pressing lower die 168; and, the upper pressing die 167 slides along the two outer linear guide rails 13 through the bracket 15, and the lower pressing die 168 slides along the two inner linear guide rails 13 through the lower die base plate 1613, so that the positions of the upper pressing die 167 and the lower pressing die 168 on the linear guide rails 13 are adjustable to adapt to steel pipes with different lengths, and the lower die base plate 1613 is fixedly connected with the bracket 15 through the first connecting plate 169, so that the upper pressing die 167 and the lower pressing die 168 can synchronously slide on the linear guide rails 13, and alignment is ensured.

The steel pipe positioning mechanism 19 is used for positioning the end position of the steel pipe; a steel pipe positioning mechanism 19 is arranged on one side of the pressing mechanism 16 close to the end part of the clamped steel pipe, the steel pipe positioning mechanism 19 comprises a positioning shaft 191, and the positioning shaft 191 is of a cylindrical structure; the positioning shaft 191 is vertically arranged; the positioning shaft 191 is vertically intersected with the end of the clamping steel pipe.

The positioning shaft 191 can slide up and down; the positioning shaft 191 is sleeved in the sliding sleeve 193 in a sliding manner, a through hole penetrating up and down is formed in the sliding sleeve 193, and the positioning shaft 191 slides up and down in the through hole penetrating through the sliding sleeve 193; a dustproof ring 192 is arranged in the top port of the sliding sleeve 193, and the positioning shaft 191 penetrates through the dustproof ring 192; the bottom end of the sliding sleeve 193 is inserted and fixed on the second connecting plate 194; the second connecting plate 194 is provided with an installation hole for installing a sliding sleeve 193, and the sliding sleeve 193 is inserted and fixed in the installation hole; the second connecting plate 194 is fixedly installed at the bottom of the lower mold base plate 1613 so that the steel pipe positioning mechanism 19 moves together with the pressing mechanism 16.

The bottom end of the positioning shaft 191 is fixedly connected with an expansion link of the air cylinder 196; the air cylinder 196 is fixedly mounted on the second connecting plate 194 through a fixing sleeve 195, a hole which is through up and down is formed in the fixing sleeve 195, and an expansion rod of the air cylinder 196 penetrates through the hole which is through up and down in the fixing sleeve 195 and is fixedly connected with the positioning shaft 191.

During the use, at first start cylinder 196, cylinder 196 stretches out and drives location axle 191 along sliding sleeve 193 rebound to the steel pipe and places the position, then puts into clamping mechanism 16 with the steel pipe, makes the tip position of steel pipe top in the lateral part of location axle 191 to the tip position of accurate location steel pipe, then clamping mechanism 16 action presss from both sides the steel pipe tight, has guaranteed the accurate location of the steel pipe tip position of the tight steel pipe in-process of clamp.

The number of the locking mechanisms 17 is two, and the two locking mechanisms 17 are respectively arranged on two sides of the bracket 15; the locking mechanism 17 is used for locking the bracket 15, and the pressing mechanism 16 is fixed at a specified position of the linear guide rail 13 through the locking bracket 15; the locking mechanism 17 comprises a locking block 171, a locking bolt 174 and a fixing plate 14; the locking block 171 is of a rectangular parallelepiped structure; the locking block 171 is fixed to the side of the bracket 15 by bolts.

A long slot is formed in the bottom of the locking block 171, and the cross section of the long slot is rectangular; a locking bolt 174 is arranged on one side of the locking block 171, which is perpendicular to the elongated slot; the locking bolt 174 penetrates into the elongated slot of the locking block 171.

The locking block 171 is slidably arranged on the fixing plate 14 through the long slot; the fixing plate 14 is fixedly arranged on the machine body 11; a locking plate 173 is arranged in the long groove of the locking block 171; the locking is performed by tightening the locking bolt 174 to press the end of the locking bolt 174 against the locking plate 173 and the fixing plate 14 to fix the bracket 15 and thus the position of the pressing mechanism 16.

An adjusting backing plate 172 is arranged between the locking block 171 and the bracket 15, and the adjusting backing plate 172 is used for adjusting the position of the locking block 171 to ensure that the side surface of the long-shaped groove of the locking block 171 is attached to the fixing plate 14.

The support positioning mechanism 18 is used for determining the initial position of the sealing mechanism 12 on the machine body 11, and is used when steel pipes with different lengths are replaced.

The bracket positioning mechanism 18 is arranged at the side part of the bracket 15; a bottom beam 151 is arranged at the bottom of the support 15, the bottom beam 151 is a rectangular steel pipe, the support positioning mechanism 18 is arranged at the side part of the bottom beam, the support positioning mechanism 18 comprises a positioning insertion rod 181, and the positioning insertion rod 181 transversely penetrates through the bottom beam 151; a rod sleeve 182 is transversely and fixedly arranged on the bottom beam 151, and the rod sleeve 182 is a stepped shaft with a hollow interior; the big end of the rod sleeve 182 is fixed with the bottom beam 151 through a bolt; the positioning insertion rod 181 penetrates through the hollow cavity of the rod sleeve 182 and can slide along the hollow cavity;

a positioning seat 185 is fixedly arranged at a position of the inner side part of the bottom beam 151, which is away from the rod sleeve 182 by a certain distance, and the positioning seat 185 is fixedly arranged on the sealing mechanism 12; the positioning seat 185 is provided with an insertion hole, and the insertion hole and the central axis of the hollow cavity of the rod sleeve 182 are at the same horizontal height.

When the bracket 15 is positioned, the positioning inserted link 181 is inserted into the insertion hole on the positioning seat 185; when the positioning is not needed, the positioning insertion rod 181 is pulled, so that the positioning insertion rod 181 is separated from the insertion hole of the positioning seat 185.

A sensor 183 is arranged between the positioning seat 185 and the bottom beam 151, and the sensor 183 is used for monitoring whether the positioning insertion rod 181 is separated from the positioning seat 185 or not so as to ensure that the sealing mechanism 12 moves smoothly; when the sealing mechanism 12 moves, it is monitored by a sensor whether the positioning insertion rod 181 is disengaged from the positioning seat 185, if the positioning insertion rod 181 is disengaged from the positioning seat 185, the sealing mechanism 12 can move, and if the positioning insertion rod 181 is not disengaged from the positioning seat 185, the positioning insertion rod 181 is firstly pulled out from the positioning seat 185, and the sealing mechanism 12 moves again.

The sensor 183 is connected with the control cabinet 6, and the sensor 183 is arranged right above a path through which the shaft part of the positioning insertion rod 181 passes; the sensor 183 is fixedly disposed on the sensor bracket 184, and the sensor bracket 184 is fixedly disposed on the bottom beam 151.

The working principle of the clamping system 3 is as follows:

when the steel pipe fixing device works, firstly, the steel pipe positioning mechanism 19 acts, the air cylinder 196 drives the positioning shaft 191 to rise, then, the steel pipe is placed in the long groove of the pressing lower die 168, the end part of the steel pipe is enabled to be propped against the side part of the positioning shaft 191, then, the hydraulic oil cylinder 161 drives the pressing upper die 167 to move downwards, and the steel pipe is fixed between the two pressing upper dies 167 and the pressing lower die 168.

When adjusting pipes with different lengths and specifications, firstly loosening the locking mechanism 17, sliding the sealing mechanism 12 to a proper position, then pushing the support 15 until the pin 181 in the support positioning mechanism 18 can be inserted into the positioning seat 185 fixed on the spindle support 20, determining the initial position of the sealing mechanism 12, then locking the locking mechanism 17, positioning the support 15 to enable the pressing mechanism 16 to be locked and fixed on the machine body 11, and then pulling out the pin 181 to enable the support 15 to be disconnected from the sealing mechanism 12, so as to ensure that the sealing mechanism 12 moves smoothly.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a clamping system of steel pipe capper which characterized in that: the steel pipe sealing mechanism comprises two clamping components arranged on a machine body (11) in a sliding mode, wherein each clamping component comprises a pressing mechanism (16) used for pressing and fixing a steel pipe, a steel pipe positioning mechanism (19) used for positioning the extending length of the end part of the steel pipe, a support positioning mechanism (18) used for determining the initial position of a sealing mechanism (12) and a locking mechanism (17) used for locking and fixing the pressing mechanism (16).

2. The clamping system of a steel pipe capper of claim 1 further comprising: the pressing mechanism (16) comprises an upper pressing die (167) and a lower pressing die (168), and the upper pressing die (167) is fixed on the bracket (15); the pressing lower die (168) is fixed on the lower die seat plate (1613); the bracket (15) and the lower die base plate (1613) are respectively arranged on the machine body (11) in a sliding manner; the bracket (15) and the lower die base plate (1613) are fixedly connected through a first connecting plate (169).

3. The clamping system of a steel pipe capper of claim 1 further comprising: the steel pipe positioning mechanism (19) comprises a positioning shaft (191), and the positioning shaft (191) is arranged on the pressing mechanism (16) corresponding to the extending position of the steel pipe; when the end part of the steel pipe is positioned, the side part of the positioning shaft (191) is abutted against the end part of the steel pipe; the positioning shaft (191) is vertically arranged in a sliding manner.

4. The clamping system of a steel pipe capper of claim 1 further comprising: the bracket positioning mechanism (18) is arranged on the side part of the bracket (15); the bracket positioning mechanism (18) comprises a positioning inserted rod (181), the positioning inserted rod (181) is transversely arranged in a rod sleeve (182) in a sliding manner, and the rod sleeve (182) transversely penetrates through the bracket (15); the end part of the positioning inserted bar (181) can be inserted and fixed or separated from the positioning seat (185); the positioning seat (185) is fixedly arranged on the sealing mechanism (12).

5. The clamping system of a steel pipe capper of claim 1 further comprising: the locking mechanism (17) is arranged on the side part of the bracket (15); the locking mechanism (17) comprises a locking block (171); the locking block (171) is fixed on the side part of the bracket (15) through a bolt; the bottom of the locking block (171) is provided with a long groove; a locking bolt (174) is arranged on one side, perpendicular to the long groove, of the locking block (171); the locking bolt (174) penetrates into the elongated slot of the locking block (171).

6. The clamping system of the steel pipe sealing machine according to claim 2, wherein: the pressing upper die (167) is driven by the pressing oil cylinder (161) to move up and down, and the pressing upper die (167) is fixedly connected with the sliding shaft (1614) through a connecting block (166); the sliding shaft (1614) is connected to the fixing piece (165) in a sliding mode through the linear bearing (164), and the top end of the sliding shaft (1614) is fixedly connected with a piston rod of the pressing oil cylinder (161) through the connecting nut (3).

7. The clamping system of the steel pipe sealing machine according to claim 5, wherein: the locking block (171) is arranged on the fixing plate (14) in a sliding manner through the long-shaped groove; a locking plate (173) is arranged in the long groove of the locking block (171); when the locking bolt (174) is locked, the end part of the locking bolt tightly pushes the locking plate (173) and the fixing plate (14).

8. The clamping system of the steel pipe sealing machine according to claim 6, wherein: the pressing upper die (167) is arranged right above the pressing lower die (168); the opposite surfaces of the upper pressing die (167) and the lower pressing die (168) are provided with long grooves for placing steel pipes, and the sections of the long grooves are semicircular; the pressing oil cylinder (161) is vertically and fixedly connected to the top of the fixing piece (165) through an oil cylinder flange (162); the side part of the fixing part (165) is fixedly connected with the bracket (15).

9. The clamping system of the steel pipe sealing machine according to claim 4, wherein: the positioning seat (185) is provided with an insertion hole, and the insertion hole and the central axis of the cavity in the rod sleeve (182) are at the same horizontal height; a sensor (183) is arranged between the positioning seat (185) and the support (15), and the sensor (183) is used for monitoring whether the positioning inserted bar (181) is separated from the positioning seat (185).

10. The clamping system of the steel pipe sealing machine according to claim 3, wherein: the positioning shaft (191) is sleeved in the sliding sleeve (193) in a sliding manner, and the bottom end of the sliding sleeve (193) is fixedly inserted into the connecting plate (194); the bottom end of the positioning shaft (191) is fixedly connected with a telescopic rod of the air cylinder (196); the air cylinder (196) is fixedly arranged on the second connecting plate (194) through a fixing sleeve (195); the second connecting plate (194) is fixedly arranged at the bottom of the lower die base plate (1613).