CN116511408A

CN116511408A - Multi-station high-speed cold header for rivet machining

Info

Publication number: CN116511408A
Application number: CN202310424762.3A
Authority: CN
Inventors: 郝敬平; 胡俊鹏
Original assignee: Taicang Telixiang Hardware Products Co ltd
Current assignee: Taicang Telixiang Hardware Products Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-08-01

Abstract

The invention discloses a multi-station high-speed cold header for rivet processing, which relates to the technical field of cold header, and comprises a base, wherein two mounting blocks are welded on the base, a guide rail is commonly mounted on the two mounting blocks, a sliding block is slidably arranged on the guide rail, the sliding block is fixedly connected to the bottom of a die holder, die cores are fixedly arranged at two ends of the die holder, toothed plates are fixedly arranged on two side walls of the die holder and meshed with a reciprocating mechanism through the toothed plates, the reciprocating mechanism is arranged on the surface of the base and connected with a driving mechanism, the driving mechanism is mounted on the surface of the base, and two sides of the driving mechanism are respectively provided with an intermittent rotating mechanism and connected with the intermittent rotating mechanism.

Description

Multi-station high-speed cold header for rivet machining

Technical Field

The invention relates to the technical field of cold heading machines, in particular to a multi-station high-speed cold heading machine for rivet machining.

Background

The cold heading machine is a stamping machine in the mechanical manufacture, and is special equipment for mass production of fasteners such as nuts and bolts, and the cold heading machine is used for forming the materials into required shapes when the raw materials are not changed.

At present, most of existing cold heading machines adopt a crankshaft connecting rod mode to drive a stamping die to move, then stamping forming is carried out on workpieces, the stamping die in the mode only can stamp one workpiece in one reciprocating motion stroke, the resetting stroke of the stamping die cannot be utilized, the practical use efficiency is low, after stamping, the stamping machine also needs to wait for taking down the stamped workpiece and replacing a new workpiece, and therefore the working efficiency is further reduced.

Disclosure of Invention

The invention aims to provide a multi-station high-speed cold header for rivet processing, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-speed cold heading machine of multistation for rivet processing, includes the base, the welding has two installation pieces on the base, install the guide rail jointly on two installation pieces, slide on the guide rail and be provided with the slider, the slider rigid coupling is in the bottom of die holder, the die core has all been set firmly in the both ends department of die holder, the pinion rack has all been set firmly and meshes with reciprocating mechanism through the pinion rack in the both sides wall of die holder, reciprocating mechanism sets up on the base surface and is connected with actuating mechanism, actuating mechanism installs on the base surface, actuating mechanism's both sides all are equipped with intermittent type slewing mechanism and are connected with it, intermittent type slewing mechanism has set firmly the rotation charging tray, the main die holder that a plurality of equidistance set up is installed to the edge on rotation charging tray surface, be provided with fixed establishment in the main die holder.

Preferably, the reciprocating mechanism comprises a half gear meshed with the two toothed plates, the half gear is fixedly connected to the top of the first vertical shaft, a driving wheel is fixedly arranged at the bottom of the first vertical shaft, the two driving wheels are in transmission connection through a belt, and the first vertical shaft is rotatably connected to the surface of the base.

Preferably, the driving mechanism comprises a driving motor arranged on the surface of the base, a driving bevel gear is fixedly connected to an output shaft of the driving motor, the driving bevel gear is meshed with a transmission bevel gear, the transmission bevel gear is fixedly connected to the outer wall of one of the vertical shafts I, and driven bevel gears are meshed with two sides of the transmission bevel gear.

Preferably, the intermittent rotating mechanism comprises a transmission shaft with one end fixedly connected with the driven bevel gear, the transmission shaft is rotationally connected to the base through a bearing frame, the other end of the transmission shaft is fixedly connected with a worm, the worm is meshed with a worm wheel, the worm wheel is fixedly connected to the bottom of a rotating disc, the rotating disc is rotationally connected to the base through a second vertical shaft, an intermittent block is fixedly connected to the edge of the surface of the rotating disc, the intermittent block is slidably arranged in a strip-shaped groove formed in the intermittent disc, the intermittent disc is fixedly connected to the bottom of the rotating disc, and the rotating disc is rotationally connected to the base through a third vertical shaft.

Preferably, a brake disc is fixedly arranged on the surface of the rotating disc, and the outer wall of the brake disc is intermittently attached to an arc-shaped groove formed in the outer wall of the intermittent disc.

Preferably, the fixing mechanism comprises a fixing frame arranged at the tail part of the main die holder, an electric push rod is arranged at the inner side of the fixing frame, a telescopic shaft of the electric push rod is connected with the push rod, the push rod is U-shaped and is arranged in the main die holder in a sliding manner, two ends of the push rod extend into the main die holder and are fixedly connected with a push block, the push block and the clamping block are attached and slide through an inclined plane between the push block and the clamping block, the clamping block is arranged on the front end face of the main die holder in a sliding manner, and the inner wall of the clamping block is connected with the inner elastic part of the main die holder through a reset spring.

Preferably, one end of the clamping block, which is close to the die cavity, is an arc surface.

Compared with the prior art, the invention has the beneficial effects that:

1. the driving mechanism is used for providing power, the reciprocating mechanism is used for driving the stamping die to move, the semi-gears on two sides can respectively drive the movable die to reciprocate, and the stamping die cores on two ends of the movable die can respectively stamp the main die seats on the two rotary material trays, so that two movement strokes of the movable die can stamp the workpiece, and the double machining efficiency can be achieved;

2. the driving mechanism drives the rotary material disc to rotate synchronously through the intermittent rotating mechanism, when the stamping die moves leftwards, the motion direction of the transmission shafts on the two sides is changed after the transmission bevel gear is meshed with the driven bevel gear, the motion directions of the transmission shafts on the two sides are just opposite, at the moment, the intermittent blocks on the left side are just separated from the intermittent disc, the intermittent blocks on the right side are just clamped into the intermittent disc, the rotary material disc on the left side is in a static state, the rotary material disc on the right side is in a motion state, and the next main die seat can be replaced, so that the automatic replacement of workpieces is realized in the reciprocating stamping process, and the machining efficiency is further improved;

3. the workpiece placed in the die cavity is fixed by the fixing mechanism, the workpiece is prevented from being thrown out by the rotating material tray when the workpiece rotates, the clamping blocks are retracted to two sides under the action of the reset springs when the workpiece is subjected to punch forming, and the die core is not influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the reciprocating mechanism of the present invention;

FIG. 3 is a schematic diagram of a driving mechanism according to the present invention;

FIG. 4 is a schematic view of an intermittent rotary mechanism according to the present invention;

FIG. 5 is a schematic view of the connection of a rotatable disk and a batch disk of the present invention;

fig. 6 is a schematic cross-sectional view of a main die holder of the present invention.

In the figure: 1. a base; 2. a mounting block; 3. a guide rail; 4. a slide block; 5. a die holder; 6. a die core; 7. a toothed plate; 8. a reciprocating mechanism; 81. a half gear; 82. a first vertical shaft; 83. a driving wheel; 84. a belt; 9. a driving mechanism; 91. a driving motor; 92. a drive bevel gear; 93. a drive bevel gear; 94. a driven bevel gear; 10. an intermittent rotation mechanism; 101. a transmission shaft; 102. a bearing bracket; 103. a worm; 104. a worm wheel; 105. a rotating disc; 106. a second vertical shaft; 107. a brake disc; 108. intermittent blocks; 109. an intermittent plate; 1010. a vertical shaft III; 11. rotating the material tray; 12. a main die holder; 13. a fixing mechanism; 131. a fixing frame; 132. an electric push rod; 133. a push rod; 134. a pushing block; 135. clamping blocks; 136. and a return spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-6, a multi-station high-speed cold header for rivet processing in the drawing comprises a base 1, two mounting blocks 2 are welded on the base 1, a guide rail 3 is commonly mounted on the two mounting blocks 2, a sliding block 4 is slidably arranged on the guide rail 3, the sliding block 4 is fixedly connected to the bottom of a die holder 5, die cores 6 are fixedly arranged at two ends of the die holder 5, toothed plates 7 are fixedly arranged on two side walls of the die holder 5 and meshed with a reciprocating mechanism 8 through the toothed plates 7, the reciprocating mechanism 8 is arranged on the surface of the base 1 and connected with a driving mechanism 9, the driving mechanism 9 is mounted on the surface of the base 1, intermittent rotating mechanisms 10 are respectively arranged at two sides of the driving mechanism 9 and connected with the intermittent rotating mechanisms, a rotating material disc 11 is fixedly arranged on the intermittent rotating mechanisms 10, a plurality of main die holders 12 which are equidistantly arranged are mounted at edges of the surface of the rotating material disc 11, and a fixing mechanism 13 is arranged in the main die holders 12.

The reciprocating mechanism comprises a half gear 81 meshed with the two toothed plates 7, the half gear 81 is fixedly connected to the top of a first vertical shaft 82, a driving wheel 83 is fixedly arranged at the bottom of the first vertical shaft 82, the two driving wheels 83 are in transmission connection through a belt 84, and the two first vertical shafts 82 are both in rotary connection with the surface of the base 1; the die can be driven to reciprocate to form two strokes.

The driving mechanism 9 comprises a driving motor 91 arranged on the surface of the base 1, a driving bevel gear 92 is fixedly connected to an output shaft of the driving motor 91, the driving bevel gear 92 is meshed with a transmission bevel gear 93, the transmission bevel gear 93 is fixedly connected to the outer wall of one of the vertical shafts 82, and driven bevel gears 94 are meshed with two sides of the transmission bevel gear 93; a power source may be provided for the reciprocating motion of the die and the rotation of the rotary tray 11.

The intermittent rotating mechanism 10 comprises a transmission shaft 101 with one end fixedly connected with the driven bevel gear 94, the transmission shaft 101 is rotationally connected to the base 1 through a bearing frame 102, a worm 103 is fixedly connected to the other end of the transmission shaft 101, the worm 103 is meshed with a worm wheel 104, the worm wheel 104 is fixedly connected to the bottom of a rotating disc 105, the rotating disc 105 is rotationally connected to the base 1 through a second vertical shaft 106, an intermittent block 108 is fixedly connected to the edge of the surface of the rotating disc 105, the intermittent block 108 is slidably arranged in a strip-shaped groove formed in the intermittent disc 109, the intermittent disc 109 is fixedly connected to the bottom of a rotating material disc 11, and the rotating material disc 11 is rotationally connected to the base 1 through a third vertical shaft 1010; the two-side rotating trays 11 are driven to rotate intermittently.

The surface of the rotating disc 105 is also fixedly provided with a brake disc 107, and the outer wall of the brake disc 107 is intermittently attached to an arc-shaped groove formed in the outer wall of the intermittent disc 109; for restricting rotation of the batch disk 109, avoiding rotation of the batch disk 109 under inertial action.

In this embodiment, the driving motor 91 is started and drives the driving bevel gear 92 to rotate, the driving bevel gear 92 drives the first vertical shaft 82 to rotate through the meshing action with the driving bevel gear 93, under the driving action of the two driving wheels 83, the first vertical shaft 82 can drive the first half gears 81 to rotate, the second half gears 81 are respectively meshed with the toothed plates 7 on two sides of the stamping die, so that the stamping die can be driven to reciprocate, meanwhile, the driving bevel gear 93 drives the driving shaft 101 to rotate through the meshing action with the driven bevel gear 94, the driving shaft 101 drives the rotating disc 105 to rotate through the meshing action of the worm 103 and the worm wheel 104, the rotating disc 105 drives the intermittent disc 109 to rotate through the intermittent block 108, and when the stamping die moves leftwards, the driving bevel gear 93 and the driven bevel gear 94 change the moving direction of the driving shaft 101 on two sides, at this time, the intermittent block 108 on the left side just breaks away from the intermittent disc 109, the intermittent block 108 on the right just snaps into the intermittent disc 109, the rotating disc 11 on the left side is in a static state, and the rotating disc 11 on the right side is in a moving state, so that the next master die seat 12 can be replaced.

Example two

In the second embodiment, referring to fig. 6, the fixing mechanism 13 includes a fixing frame 131 mounted at the tail of the main die holder 12, an electric push rod 132 is mounted at the inner side of the fixing frame 131, a telescopic shaft of the electric push rod 132 is connected with a push rod 133, the push rod 133 is in a U shape and is slidably disposed in the main die holder 12, two ends of the push rod 133 extend into the main die holder 12 and are fixedly connected with a push block 134, the push block 134 and the clamp block 135 are attached and slid by an inclined plane therebetween, the clamp block 135 is slidably disposed on the front end surface of the main die holder 12, and an inner wall of the clamp block 135 is elastically connected with the inside of the main die holder 12 by a return spring 136.

Wherein, one end of the clamping block 135 close to the die cavity is an arc surface; the workpiece can be better fixed.

In this embodiment, a workpiece is placed into a die cavity of the main die holder 12, the electric push rod 132 is started and drives the push rod 133 to move, the push rod 133 extrudes the clamping block 135 through the push block 134 to move, the clamping block 135 moves towards the direction of the die cavity and fixes the workpiece, after the main die holder 12 moves to one side of a die, the electric push rod 132 resets and resets the clamping block 135 under the action of the elastic force of the reset spring 136, and at this time, the die core 6 can smoothly enter the die cavity and perform punch forming work on the workpiece.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-speed cold heading machine of multistation for rivet processing, includes base (1), its characterized in that: the novel automatic stamping die is characterized in that two mounting blocks (2) are welded on the base (1), a guide rail (3) is jointly mounted on the two mounting blocks (2), a sliding block (4) is arranged on the guide rail (3) in a sliding mode, the sliding block (4) is fixedly connected to the bottom of the stamping die seat (5), stamping die cores (6) are fixedly arranged at two ends of the stamping die seat (5), toothed plates (7) are fixedly arranged on two side walls of the stamping die seat (5) and meshed with the reciprocating mechanism (8) through the toothed plates (7), the reciprocating mechanism (8) is arranged on the surface of the base (1) and connected with the driving mechanism (9), intermittent rotating mechanisms (10) are arranged on two sides of the driving mechanism (9) and connected with the surface of the base (1), rotating material discs (11) are fixedly arranged on the intermittent rotating mechanisms (10), a plurality of main die holders (12) which are equidistantly arranged are arranged at edges of the surfaces of the rotating material discs (11), and fixing mechanisms (13) are arranged in the main die holders (12).

2. The multi-station high-speed cold header for rivet machining according to claim 1, wherein: the reciprocating mechanism comprises a half gear (81) meshed with the two toothed plates (7), the half gear (81) is fixedly connected to the top of a first vertical shaft (82), a driving wheel (83) is fixedly arranged at the bottom of the first vertical shaft (82), the two driving wheels (83) are in transmission connection through a belt (84), and the two first vertical shafts (82) are both rotationally connected to the surface of the base (1).

3. The multi-station high-speed cold header for rivet machining according to claim 2, wherein: the driving mechanism (9) comprises a driving motor (91) arranged on the surface of the base (1), a driving bevel gear (92) is fixedly connected to an output shaft of the driving motor (91), the driving bevel gear (92) is meshed with a transmission bevel gear (93), the transmission bevel gear (93) is fixedly connected to the outer wall of one of the vertical shafts (82), and driven bevel gears (94) are meshed with two sides of the transmission bevel gear (93).

4. A multi-station high-speed cold header for rivet processing according to claim 3, wherein: the intermittent rotating mechanism (10) comprises a transmission shaft (101) with one end fixedly connected with the driven bevel gear (94), the transmission shaft (101) is rotationally connected to the base (1) through a bearing frame (102), the other end of the transmission shaft (101) is fixedly connected with a worm (103), the worm (103) is meshed with a worm wheel (104), the worm wheel (104) is fixedly connected to the bottom of a rotating disc (105), the rotating disc (105) is rotationally connected to the base (1) through a vertical shaft II (106), an intermittent block (108) is fixedly connected to the edge of the surface of the rotating disc (105), the intermittent block (108) is slidably arranged in a strip-shaped groove formed in the intermittent disc (109), the intermittent disc (109) is fixedly connected to the bottom of a rotating material disc (11), and the rotating material disc (11) is rotationally connected to the base (1) through a vertical shaft III (1010).

5. The multi-station high-speed cold header for rivet machining according to claim 4, wherein: and a brake disc (107) is fixedly arranged on the surface of the rotating disc (105), and the outer wall of the brake disc (107) is intermittently attached to an arc-shaped groove formed in the outer wall of the intermittent disc (109).

6. The multi-station high-speed cold header for rivet machining according to claim 1, wherein: the fixing mechanism (13) comprises a fixing frame (131) arranged at the tail part of the main die holder (12), an electric push rod (132) is arranged on the inner side of the fixing frame (131), a telescopic shaft of the electric push rod (132) is connected with a push rod (133), the push rod (133) is U-shaped and is arranged in the main die holder (12) in a sliding mode, two ends of the push rod (133) extend into the main die holder (12) and are fixedly connected with a push block (134), the push block (134) and a clamping block (135) are attached and slide through an inclined plane between the push block and the clamping block, the clamping block (135) is arranged on the front end face of the main die holder (12) in a sliding mode, and the inner wall of the clamping block (135) is connected with the inner part of the main die holder (12) in a sliding mode through a reset spring (136).

7. The multi-station high-speed cold header for rivet machining according to claim 6, wherein: one end of the clamping block (135) close to the die cavity is an arc surface.