CN222058497U - Press slider buffer stop - Google Patents

Abstract

The utility model provides a press slide anti-collision device, which belongs to the field of press processing equipment. It comprises a column, a guide plate is arranged on the inner side wall of the column, a slide block is slidably arranged on the guide plate, an anti-collision block assembly is connected to the upper end of the slide block, and the anti-collision block assembly is fixedly arranged on the slide block, which can effectively prevent the slide block from continuing to move upward when it reaches the upper dead point due to a failure in program control and colliding with the upper cross beam, so as to prevent the slide block from colliding with the cross beam and causing irreversible damage to other parts of the press. The slide block is driven by a motor and driven by a flywheel, a screw rod and a nut, and the slide block will generate an up and down displacement movement along the column guide plate. When the slide block moves from the lower dead point to the upper dead point, the anti-collision block assembly is used to protect the upper cross beam, and a bracket is fixed to the slide block installation surface by bolts and positioning keys, so as to ensure that the entire anti-collision block mechanism can withstand a huge impact load when it is hit again.

Description

Press slider buffer stop

Technical Field

The utility model relates to the field of press processing equipment, in particular to a press sliding block anti-collision device.

Background

When equipment such as press is in use, there is the subassembly that reciprocates, and the slider subassembly passes through flywheel, screw rod, nut transmission under motor drive, and the slider can produce the displacement motion about along stand guide rail board. When the sliding block moves from the bottom dead center to the top dead center, in order to prevent the sliding block from continuing to move upwards when reaching the top dead center due to the failure of program control, the sliding block impacts the upper cross beam, so that a mechanical protection mechanism is required to be added to prevent the sliding block from impacting the cross beam to cause irreversible damage to other parts of the press.

Disclosure of utility model

In view of the above, the present utility model provides a slide block anti-collision device for a press, which can ensure that the whole anti-collision block assembly can bear huge impact load when being impacted by the slide block and the upper beam, so as to protect other parts of the press from being irreversibly damaged when the slide block impacts the beam, when in use, the slide block can generate up-and-down displacement motion along a column guide rail plate through the transmission of a flywheel, a screw rod and a nut under the driving of a motor, when the slide block moves from a bottom dead center to a top dead center, the slide block is prevented from going upward when the failure of a program control upper dead center, the slide block still reaches the top dead center and impacts the upper beam, the upper beam is protected by the anti-collision block assembly, a bracket is fixed on a slide block mounting surface through a bolt and a positioning key, so as to ensure that the whole anti-collision block mechanism can bear huge impact load when being impacted again, a disc spring and a disc spring seat are fixed on the bracket through a guide post and a nut, finally an opening pin is inserted to prevent the nut from loosening and falling, the disc spring is installed in an upper end hole of the guide post through transition fit, when being impacted, the disc spring receives impact load to generate elastic load, and part of impact load is counteracted.

In order to solve the technical problems, the utility model provides a press slide block anti-collision device, which comprises a stand column, wherein the stand column is used for supporting and fixing a workpiece, a guide rail plate is arranged on the inner side wall of the stand column, a slide block is arranged on the guide rail plate in a sliding manner, the guide rail plate is used for additionally installing the workpiece to limit the workpiece, the slide block is used for connecting the guide rail plate, an anti-collision block assembly is connected and arranged at the upper end of the slide block, the anti-collision block assembly is fixedly arranged on the slide block, the slide block can be effectively prevented from continuously ascending when reaching a top dead center due to failure of program control, and is impacted to an upper cross beam, so that the slide block is prevented from impacting the cross beam to cause irreversible damage to other parts of the press.

The anti-collision block assembly comprises a support, wherein the support is used for being connected with the sliding block, the support is used for being additionally provided with a workpiece, the upper end of the support is provided with a disc spring seat, a limiting hole is formed in the disc spring seat, and the disc spring seat is used for limiting the workpiece and is used for being additionally provided with the workpiece.

Be equipped with the guide post in the dish spring seat, the guide post is used for connecting dish spring seat and support, is equipped with the round hole on the base surface on the guide post, is equipped with the red copper bar in the round hole, and the red copper bar can continue to bear pressure through deformation when the pressure that bears of dish spring reaches the limit.

The limiting hole is internally provided with a disc spring, the guide post penetrates through the disc spring and penetrates through the support, and the disc spring can bear initial impact pressure and slow down certain impact force.

The guide post passes the support, and the guide post bottom is equipped with the through-hole, is equipped with the cotter pin in the through-hole, and the cotter pin top is equipped with the nut, and dish spring seat pass through guide post and nut to be fixed on the support, inserts the cotter pin at last and prevents that the nut from becoming flexible to drop.

The base is connected with the lower base surface of the upright post, the upright post is arranged on the base in bilateral symmetry, the base is used for supporting and fixing the upright post, the upper base surface of the upright post is connected with an upper cross beam, and the upper cross beam is used for additionally installing a workpiece.

The technical scheme of the utility model has the following beneficial effects:

1. An anti-collision block assembly is additionally arranged between the sliding block and the upper cross beam, so that the whole anti-collision block assembly can bear huge impact load when being impacted, the sliding block is prevented from impacting the cross beam to cause irreversible damage to other parts of the press, and the anti-collision block assembly can be matched with a reasonable disc spring group according to an assembly space so as to design a very large impact load damper.

2. The anti-collision block assembly is internally provided with the disc spring, and when the guide post contacts with the upper cross beam, the guide post can bring the disc spring to compress inwards, so that the impact force is slowed down, and a certain buffering time is given to workers.

3. Be equipped with the red copper bar in the round hole of guide post upper end, red copper bar and round hole are interference fit, and the red copper bar has certain moulding effect, can continue to produce plastic deformation when the dish spring no longer absorbs the impact, absorbs impact load to this causes irreversible damage to other parts of press when protecting slider striking crossbeam.

Drawings

FIG. 1 is a schematic diagram of a main structure of a press slide collision preventing device according to the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is a schematic partial structure of the present utility model a.

Reference numerals illustrate: 100. a column; 101. a guide rail plate; 102. a slide block; 103. a base; 104. an upper cross beam; 110. an impact block assembly; 111. a bracket; 112. a disc spring seat; 113. a limiting hole; 114. a guide post; 115. a round hole; 116. a copper bar; 117. a disc spring; 118. a through hole; 119. a cotter pin; 120. and (3) a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1:

The embodiment provides a press slider buffer stop, including stand 100, be equipped with guide rail plate 101 on the stand 100 inside wall, guide rail plate 101 is fixed to be set up on the inside wall of stand 100, and the slip is equipped with slider 102 on the guide rail plate 101, and slider 102 upper end connection is equipped with crashproof block subassembly 110, and crashproof block subassembly 110 is fixed to be set up on slider 102, can effectively prevent that the inefficacy on the program control from leading to slider 102 to still go on when reaching the top dead center, strikes entablature 104, prevents slider 102 striking crossbeam from causing irreversible damage to other parts of press.

As shown in fig. 3:

The anti-collision block assembly 110 comprises a support 111, the support 111 is fixed on the installation surface of the sliding block 102 through bolts and positioning keys, so that the whole anti-collision block mechanism can bear huge impact load when being impacted, a disc spring seat 112 is arranged at the upper end of the support 111, the disc spring seat 112 and the support 111 are movably arranged, and a limiting hole 113 is formed in the disc spring seat 112.

As shown in fig. 4:

The disc spring seat 112 is internally provided with a guide post 114, a round hole 115 is formed in the upper base surface of the guide post 114, a copper bar 116 is arranged in the round hole 115, and the copper bar 116 is mounted in the round hole 115 at the upper end of the guide post 114 through transition fit.

As shown in fig. 4:

Be equipped with dish spring 117 in spacing hole 113, guide post 114 passes dish spring 117 and runs through support 111, is equipped with the space between the lower basal plane of dish spring seat 112 and guide post 114, for the biggest displacement volume of dish spring 117 compression, be equipped with on the guide post 114 with spacing hole 113 assorted spacing boss for guide post 114 can the activity setting in dish spring seat 112, be equipped with on support 111 and the dish spring seat 112 with guide post 114 assorted circular hole.

As shown in fig. 4:

The guide post 114 passes through the circular holes on the support 111 and the disc spring seat 112, a through hole 118 is arranged at the bottom of the guide post 114, a cotter pin 119 is arranged in the through hole 118, a nut 120 is arranged above the cotter pin 119, the disc spring 117 and the disc spring seat 112 are fixed on the support 111 through the guide post 114 and the nut 120, and finally the cotter pin 119 is inserted into the through hole 118 to prevent the nut 120 from loosening and falling.

As shown in fig. 2:

The base 103 is arranged on the lower base surface of the upright post 100 in a connecting manner, the upright post 100 is arranged on the base 103 in a bilateral symmetry manner, the lower base surface of the upright post 100 is fixedly connected with the base 103, the upper base surface of the upright post 100 is connected with the upper cross beam 104, and the upper cross beam 104 is fixedly connected with the upper base surface of the upright post 100.

Working principle: when the anti-collision device is used, the sliding block 102 is driven by a motor to move up and down along the guide rail plate 101 of the upright post 100 through the flywheel, the screw rod and the nut 120, when the sliding block 102 moves from the bottom dead center to the top dead center, the sliding block 102 is prevented from going up when reaching the top dead center due to the failure of program control, the sliding block is impacted to the upper cross beam 104, the upper cross beam 104 is protected through the anti-collision block assembly 110, the bracket 111 is fixed on the installation surface of the sliding block 102 through the bolts and the positioning keys, the whole anti-collision block mechanism can bear huge impact load when being impacted again, the disc spring 117 and the disc spring seat 112 are fixed on the bracket 111 through the guide post 114 and the nut 120, finally the cotter pin 119 is inserted to prevent the nut 120 from loosening and falling, the red copper is installed in the round hole 115 at the upper end of the guide post 114 through transition fit, when F (impact load) is not more than 0 and not more than F (yield strength of the red copper rod 116), the disc 117 is compressed by receiving the impact load first, and then generates elastic deformation to offset a part of impact load; when F (the yield strength of the copper bar 116) is less than or equal to F (the impact load) is less than or equal to F (the limit load borne by the disc spring 117), the disc spring 117 can generate elastic deformation to absorb the impact load, and the copper bar 116 can also generate plastic deformation to absorb the impact load; when F (the limit load born by the disc spring 117) is less than or equal to F (the yield strength of the red copper rod 116) is less than or equal to F (impact load), the disc spring 117 can reach the maximum elastic deformation, at the moment, the guide post 114 can be contacted with the disc spring seat 112 due to the compression of the disc spring 117, the impact load is not absorbed, and after that, the red copper rod 116 continues to generate plastic deformation to absorb the impact load, and the impact kinetic energy is absorbed through the anti-collision block assembly 110, so that other parts of the press can be effectively protected from being damaged by the sliding block 102.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (7)

1. A press slider anti-collision device, characterized in that it comprises a column (100), a guide plate (101) is provided on the inner wall of the column (100), a slider (102) is slidably provided on the guide plate (101), an anti-collision block assembly (110) is connected to the upper end of the slider (102), and the anti-collision block assembly (110) is fixedly arranged on the slider (102), which can effectively prevent the slider (102) from continuing to move upward when reaching the top dead point due to failure in program control and colliding with the upper crossbeam (104), thereby preventing the slider (102) from colliding with the crossbeam and causing irreversible damage to other parts of the press. 2. A press slide anti-collision device as described in claim 1, characterized in that: the anti-collision block assembly (110) includes a bracket (111), a disc spring seat (112) is provided at the upper end of the bracket (111), and a limiting hole (113) is provided in the disc spring seat (112). 3. A press slide anti-collision device as described in claim 2, characterized in that: a guide column (114) is provided in the disc spring seat (112), a circular hole (115) is provided on the upper base surface of the guide column (114), and a copper rod (116) is provided in the circular hole (115). 4. A press slide anti-collision device as described in claim 3, characterized in that: a disc spring (117) is provided in the limiting hole (113), and the guide column (114) passes through the disc spring (117) and is arranged on the bracket (111). 5. A press slide anti-collision device as described in claim 4, characterized in that: the guide column (114) passes through the bracket (111), a through hole (118) is provided at the bottom of the guide column (114), a cotter pin (119) is provided in the through hole (118), and a nut (120) is provided above the cotter pin (119). 6. A press slide anti-collision device as described in claim 1, characterized in that: a base (103) is connected to the lower base surface of the column (100), and the column (100) is symmetrically arranged on the base (103). 7. A press slide anti-collision device as claimed in claim 1, characterized in that an upper crossbeam (104) is connected to the upper base surface of the column (100).