CN212019291U

CN212019291U - Cold header clamping table mechanism

Info

Publication number: CN212019291U
Application number: CN202020104545.8U
Authority: CN
Inventors: 牟联满; 付胜刚
Original assignee: Taijishan Mechanical Equipment Dongguan Co ltd
Current assignee: Taijishan Mechanical Equipment Dongguan Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-11-27
Anticipated expiration: 2030-01-17

Abstract

The utility model provides a pair of cold heading machine clamp plate mechanism, including clamp plate mount pad, clamping device and jaw opening device, the clamp plate mount pad is fixed on the lathe, clamping device is detachable installs on the clamp plate mount pad, jaw opening device establishes on the clamping device right side and installs on the clamp plate mount pad. Compared with the prior art, the utility model provides a pair of cold heading machine clamp platform mechanism, clamping device and open pincers device adopt integral mounting structure, save installation time, the eccentric regulation post that is equipped with on the clamp subassembly can carry out position adjustment to left tong arm and right tong arm on-line, the tight position of clamp of guaranteeing left tong arm and right tong arm corresponds with the mould position, and simultaneously, the pressure arm subassembly divide into first clamp plate and second clamp plate and carries out the two-stage pressfitting, through the adjustable depth of push down of layering on the first clamp plate, thereby adjust the size that opens of first tong handle and second tong handle, therefore, the clothes hanger is strong in practicability, and the adjustment is nimble.

Description

Cold header clamping table mechanism

Technical Field

The utility model relates to a cold heading machine equipment technical field specifically is a cold heading machine presss from both sides platform mechanism.

Background

The cold header is a device for cutting and cold extruding various processed metal wires to make the wires cold-headed and formed in a die, and is used for processing various standard or non-standard fasteners. The clamping table mechanism is a workpiece transferring mechanism of a clamping system of a cold heading forming machine, workpieces are transferred from a previous station to a next station, and the existing clamping table mechanism of the cold heading machine is of an integrated structure, is complex in structure and is inconvenient to assemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold heading machine presss from both sides platform mechanism to solve the technical problem in the background art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a cold heading machine clamp stand mechanism, includes clamp stand mount pad, clamping device and opens pincers device, clamping device is detachable installs on the clamp stand mount pad, open pincers device and establish on clamping device right side and install on the clamp stand mount pad.

The clamp device comprises a clamp seat, a plurality of groups of clamp assemblies with the same structure and at least one sliding rod, wherein the sliding rod penetrates through the two transverse sides of the clamp seat, the clamp seat slides on the sliding rod, first mounting holes are formed in the two ends of the sliding rod respectively, the sliding rod is fixed on a clamp platform mounting seat, and the clamp assemblies are elastically connected to the clamp seat side by side in the transverse direction.

The clamp assembly comprises a first clamp handle, a second clamp handle and an adjusting piece, the first clamp handle is rotatably connected to a clamp seat, the first clamp handle is arranged on the rear side of the second clamp handle in a staggered mode with the second clamp handle, a right clamp arm is fixedly arranged below the first clamp handle, a left clamp arm is fixedly arranged below the second clamp handle, and the adjusting piece is arranged between the first clamp handle and the second clamp handle and adjusts the relative position of the first clamp handle and the second clamp handle through the adjusting piece.

The first clamp handle comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is fixedly arranged at one end of the second connecting plate and above the second connecting plate, the third connecting plate is fixedly arranged at the other end of the second connecting plate and below the second connecting plate, the first connecting plate, the second connecting plate and the third connecting plate are connected to form an S-shaped structure, the top end of the first connecting plate is fixedly connected with the clamp base, the top end of the first connecting plate is connected with a tension spring, one end of the tension spring is fixedly connected with the first connecting plate, the other end of the tension spring is fixedly connected with the clamp base, the joint of the first connecting plate and the second connecting plate is a first rotating part, the first rotating part is provided with a clamp rotating shaft, and the clamp rotating shaft penetrates through the first clamp handle to be rotatably connected with the clamp base; the second connecting plate is the second rotating part with the third connecting plate junction.

The second clamp handle comprises a fifth connecting plate and a sixth connecting plate, the fifth connecting plate is fixed at the upper end of the sixth connecting plate to form an L-shaped structure, one end of the fifth connecting plate is provided with a first adjusting hole, the other end of the fifth connecting plate is provided with a second adjusting hole, the first adjusting hole is communicated with the second adjusting hole through a locking groove, the locking groove is provided with a locking threaded hole, and the locking threaded hole penetrates through the upper end and the lower end of the fifth connecting plate; the adjusting part is an eccentric adjusting column, the eccentric adjusting column penetrates through a first adjusting hole and a second rotating part, an eccentric part is arranged on the eccentric adjusting column, the eccentric part is arranged in the first adjusting hole, a pressing shaft is arranged in the second adjusting hole, the other end of the pressing shaft penetrates through the clamp seat, a pressing rod is obliquely arranged above the pressing shaft, and the pressing rod is arranged on the rear side of the clamp seat.

The clamp opening device comprises a cam rotating shaft and a plurality of sets of clamp opening assemblies corresponding to the clamp assemblies, each clamp opening assembly comprises a first cam and a pressure arm assembly, the first cams are mounted on the cam rotating shaft, the cam rotating shaft is rotatably connected to the clamp mounting seats, the pressure arm assemblies are connected to the rear sides of the clamp mounting seats side by side through clamp opening connecting rods, the pressure arm assemblies are rotatably connected to the clamp opening connecting rods, two ends of each clamp opening connecting rod are mounted on the clamp mounting seats, one end of each pressure arm assembly is abutted to the first cam, and the other end of each pressure arm assembly is above the pressure shaft.

The pressing arm assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is arranged above the second pressing plate, the second pressing plate is arranged above the pressing shaft, the first pressing plate and the second pressing plate are respectively connected to the opening clamp connecting rod in a rotating mode, the first pressing plate comprises a supporting handle and a pressing strip, the bottom end of the supporting handle is connected with the opening clamp connecting rod in a rotating mode, the pressing strip is vertically installed at the front end above the supporting handle in an adjustable mode, the rear end above the supporting handle is abutted to the first cam, and the lower portion of the pressing strip is abutted to the second pressing plate.

The pressing strip is a bolt, and the bolt is in threaded connection with the supporting handle.

And a stripping device is arranged above the clamp assembly and is used for pressing the pressing shaft.

Compared with the prior art, the utility model provides a pair of cold heading machine clamp platform mechanism, clamping device and open pincers device adopt integral mounting structure, save installation time, the eccentric regulation post that is equipped with on the clamp subassembly can carry out position adjustment to left tong arm and right tong arm on-line, the tight position of clamp of guaranteeing left tong arm and right tong arm corresponds with the mould position, and simultaneously, the pressure arm subassembly divide into first clamp plate and second clamp plate and carries out the two-stage pressfitting, through the adjustable depth of push down of layering on the first clamp plate, thereby adjust the size that opens of first tong handle and second tong handle, therefore, the clothes hanger is strong in practicability, and the adjustment is nimble.

Drawings

FIG. 1: the connecting structure of the clamp device and the clamp opening device is shown schematically;

FIG. 2: the clamp device is structurally schematic;

FIG. 3: a clamp assembly structure schematic diagram;

FIG. 4: a top view of the clamp assembly;

FIG. 5: FIG. 4 is a sectional view taken along line A-A;

FIG. 6: the structure schematic diagram of the clamp opening device;

FIG. 7: the opening and closing principle of the clamping device is schematically shown.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Specific example 1: referring to fig. 1 to 7, in an embodiment of the present invention, a cold header clamping mechanism includes a clamping table mounting seat 8, a clamping device 9 and a tong opening device 13, the clamping table mounting seat 8 is fixed on a machine tool, the clamping device 9 is detachably mounted on the clamping table mounting seat 8, and the tong opening device 13 is arranged on the right side of the clamping device 9 and is mounted on the clamping table mounting seat 8.

The clamp device 9 comprises a clamp seat 10, three groups of clamp assemblies 12 with the same structure and two sliding rods 11, the sliding rods 11 penetrate through the two transverse sides of the clamp seat 10, the clamp seat 10 slides on the sliding rods 11, first mounting holes 19021101 are respectively formed in the two ends of each sliding rod 11, the sliding rods 11 are fixed on a clamp platform mounting seat 8, and the clamp assemblies 12 are elastically connected to the clamp seat 10 side by side in the transverse direction; the clamp assembly 12 comprises a first clamp handle 1201, a second clamp handle 1202 and an adjusting member, the first clamp handle 1201 is rotatably connected to the clamp base 10, the first clamp handle 1201 is arranged behind the second clamp handle 1202 and staggered with the second clamp handle 1202, a right clamp arm 1204 is fixedly arranged below the first clamp handle 1201, a left clamp arm 1203 is fixedly arranged below the second clamp handle 1202, the left clamp arm 1203 and the right clamp arm 1204 are used for clamping blanks, the adjusting member is arranged between the first clamp handle 1201 and the second clamp handle 1202, and the relative position of the first clamp handle 1201 and the second clamp handle 1202 is adjusted through the adjusting member.

The first clamp handle 1201 comprises a first connecting plate 1201-1, a second connecting plate 1201-2 and a third connecting plate 1201-3, the first connecting plate 1201-1 is fixedly arranged at one end of the second connecting plate 1201-2 and above the second connecting plate 1201-2, the third connecting plate 1201-3 is fixedly arranged at the other end of the second connecting plate 1201-2 and below the second connecting plate 1201-2, the first connecting plate 1201-1, the second connecting plate 1201-2 and the third connecting plate 1201-3 are connected to form an S-shaped structure, the top end of the first connecting plate 1201-1 is fixedly connected with the clamp base 10, the top end of the first connecting plate 1201-1 is connected with a tension spring 1206, one end of the tension spring 1206 is fixedly connected with the first connecting plate 1201-1, and the other end of the tension spring 1206 is fixedly connected with the clamp base 10, the joint of the first connecting plate 1201-1 and the second connecting plate 1201-2 is a first rotating part, the first rotating part is provided with a clamp rotating shaft 1207, and the clamp rotating shaft 1207 penetrates through the first clamp handle 1201 to be rotatably connected with the clamp seat 10; the joint of the second connecting plate 1201-2 and the third connecting plate 1201-3 is a second rotating part; the second jaw handle 1202 includes a fifth connection plate 1202-1 and a sixth connection plate 1202-2, the fifth connecting plate 1202-1 is fixed at the upper end of the sixth connecting plate 1202-2 to form an L-shaped structure, one end of the fifth connecting plate 1202-1 is provided with a first adjusting hole 1202-1-1, the other end of the fifth connecting plate 1202-1 is provided with a second adjusting hole 1202-1-2, the second adjusting hole 1202-1-2 is of a D-shaped hole structure, the first adjusting hole 1202-1-1 is communicated with the second adjusting hole 1202-1-2 through a locking groove 1202-1-3, the locking groove 1202-1-3 is provided with a locking threaded hole 1202-1-4, the locking threaded holes 1202-1-4 penetrate through the upper end and the lower end of the fifth connecting plate 1202-1; the adjusting part is an eccentric adjusting column 1205, the eccentric adjusting column 1205 passes through a first adjusting hole 1202-1-1 and a second rotating part, the eccentric adjusting column 1205 comprises an adjusting head 1205-1, an eccentric part 1205-2 and a support column 1205-3, the adjusting head 1205-1 is above the eccentric part 1205-2, the support column 1205-3 is below the eccentric part 1205, the eccentric adjusting column 1205 passes through a first clamp handle 1201 and a second clamp handle 1202, the adjusting head 1205-1 is outside the second clamp handle 1202, the eccentric part 1205-2 on the eccentric adjusting column 1205 is in the second clamp handle 1202, the support column 1205-3 passes through the first clamp handle 1201 and is rotatably connected with the first clamp handle 1201, a screw is connected with the internal thread of the locking threaded hole 1202-1-4 to lock the eccentric adjusting column 1205 after adjustment, the relative position of the second clamp handle 1202 and the first clamp handle 1201 is adjusted by rotating the eccentric adjusting post 1205 to ensure that the position corresponds to the position of a die on a machine tool and a blank can be accurately clamped; a cross bar 1211 is arranged on the clamp base 10, the cross bar spans across the first handles 1201 of the three sets of clamp assemblies 12, and the cross bar 1211 is fixed on the clamp base 10 to further stabilize the first handles 1201 on the clamp base 10, so as to prevent the clamp assemblies 12 from shaking.

A press shaft 1206 is arranged in the second adjusting hole 1202-1-2, the other end of the press shaft 1206 passes through the clamp base 10, a press rod 1209 is fixed on the rear side of the press shaft 1206, the press rod 1209 is obliquely fixed above the press shaft 1206, a stripping device is arranged above the clamp assembly 12, the stripping device presses the press shaft 1206, the stripping device is an air cylinder 1210, the air cylinder 1210 is fixed on the clamp table mounting base 8, a driving shaft of the air cylinder 1210 can press the press rod 1209 on the press shaft 1206, when the pre-cut material adjustment is performed on the equipment or the length of the material is insufficient, the driving shaft of the air cylinder 1210 presses the press rod 1209, the left clamp arm 1203 and the right clamp arm 1204 close to the clamp assembly 12 on the cutting mechanism 15 are kept in an open state, and the cold heading stamping is performed without clamping the material.

When the clamp assemblies 12 are installed, the pressing shaft 1206 on the previous group of clamp assemblies 12 passes through the first clamping handle on the adjacent group of clamp assemblies 12, which has the same function as the clamp rotating shaft 1207, and the installation space can be saved.

The clamp opening device 13 comprises a cam rotating shaft 1301 and three sets of clamp opening assemblies 1302 corresponding to the clamp assemblies 12, the clamp opening assemblies 1302 comprise first cams 1302-1 and pressure arm assemblies 1302-2, the first cams 1302-1 are installed on the cam rotating shaft 1301, the cam rotating shaft 1301 is rotatably connected to the clamp platform installation base 8, the pressure arm assemblies 1302-2 are connected to the rear side of the clamp platform 10 in parallel through clamp opening connecting rods 1302-3, the pressure arm assemblies 1302-2 are rotatably connected to the clamp opening connecting rods 1302-3, two ends of the clamp opening connecting rods 1302-3 are installed on the clamp platform installation base 8, one end of each pressure arm assembly 1302-2 is abutted to the first cam 1302-1, the other end of each pressure arm assembly 1302-2 is arranged above the pressure shaft 1206, each pressure arm assembly 1302-2 comprises a first pressure plate 1302-2-1 and a second pressure plate-2-2, the first pressure plate 1302-2-1 is arranged above the second pressure plate 1302-2-2, the second pressure plate 1302-2-2 is arranged above the pressure shaft 1206, the first pressure plate 1302-2-1 and the second pressure plate 1302-2-2 are respectively and rotatably connected to the clamp opening connecting rod 1302-3, one end of the second pressure plate 1302-2-2 is rotatably connected with the clamp opening connecting rod 1302-3, the other end of the second pressure plate 1302-2-2 is abutted to the pressure rod 1209, the first pressure plate 1302-2-1 comprises a support handle 1302-2-1-1 and a pressure strip 1302-2-1-2, the bottom end of the support handle 1302-2-1-1 is rotatably connected with the clamp opening connecting rod 1302-3, and the pressure strip 1302-2-1-2 is vertically and adjustably mounted on the support handle 1302-2-1-1 1, the rear end above the support handle 1302-2-1-1 is abutted with the first cam 1302-1, the lower part of the pressing strip 1302-2-1-2 is abutted with the second pressing plate 1302-2-2, the pressing strip 1302-2-1-2 is a bolt, and the bolt is in threaded connection with the support handle 1302-2-1-1. The pressing depth of the first pressing plate 1302-2-1 can be adjusted according to production requirements, and the position of the bolt can be adjusted by screwing the bolt, so that the pressing depth can be adjusted, that is, the rotation angle of the pressing shaft 1206 can be adjusted, and the opening angles of the first forceps handle 1201 and the second forceps handle 1202 can be adjusted.

In normal operation, the first cam 1302-1 is driven to rotate by the rotation of the cam rotating shaft 1301, the first cam 1302-1 enables the pressing bar 1302-2-1-2 on the first pressing plate 1302-2-1 to move up and down to press the second pressing plate 1302-2-2, the second pressing plate 1302-2-2 presses the pressing bar 1209 on the pressing shaft 1206, so that the pressing shaft 1206 is driven to rotate, the first clamp handle 1201 and the second clamp handle 1202 are driven to open, the first clamp handle 1201 and the second clamp handle 1202 can be lifted up while opening, the distance between the first clamp handle 1201 and the impact position of a mold can be effectively opened, and the mold is ensured not to impact the clamp assembly 12 when punching; when the pressure of the first cam 1302-1 and the first pressure plate 1302-2-1 is smaller than the reaction force of the extension spring 1211, the first forceps handle 1201 is reset under the action of the extension spring 1211, and the second forceps handle 1202 and the pressure shaft 1206 are driven to reset, so that the pressure arm assembly 1302-2 is reset.

It is obvious to a person skilled in the art that the invention is not restricted to details of the foregoing exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cold heading machine presss from both sides platform mechanism which characterized in that: the clamp comprises a clamp mounting seat, a clamp device and a clamp opening device, wherein the clamp device is detachably mounted on the clamp mounting seat, and the clamp opening device is arranged on the right side of the clamp device and mounted on the clamp mounting seat.

2. The cold header clamping table mechanism according to claim 1, wherein: the clamp device comprises a clamp seat, a plurality of groups of clamp assemblies with the same structure and at least one sliding rod, wherein the sliding rod penetrates through the two transverse sides of the clamp seat, the clamp seat slides on the sliding rod, first mounting holes are formed in the two ends of the sliding rod respectively, the sliding rod is fixed on a clamp platform mounting seat, and the clamp assemblies are elastically connected to the clamp seat side by side in the transverse direction.

3. The cold header clamping table mechanism according to claim 2, wherein: the clamp assembly comprises a first clamp handle, a second clamp handle and an adjusting piece, the first clamp handle is rotatably connected to a clamp seat, the first clamp handle is arranged on the rear side of the second clamp handle in a staggered mode with the second clamp handle, a right clamp arm is fixedly arranged below the first clamp handle, a left clamp arm is fixedly arranged below the second clamp handle, and the adjusting piece is arranged between the first clamp handle and the second clamp handle and adjusts the relative position of the first clamp handle and the second clamp handle through the adjusting piece.

4. The cold header clamping table mechanism according to claim 3, wherein: the first clamp handle comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is fixedly arranged at one end of the second connecting plate and above the second connecting plate, the third connecting plate is fixedly arranged at the other end of the second connecting plate and below the second connecting plate, the first connecting plate, the second connecting plate and the third connecting plate are connected to form an S-shaped structure, the top end of the first connecting plate is fixedly connected with the clamp base, the top end of the first connecting plate is connected with a tension spring, one end of the tension spring is fixedly connected with the first connecting plate, the other end of the tension spring is fixedly connected with the clamp base, the joint of the first connecting plate and the second connecting plate is a first rotating part, the first rotating part is provided with a clamp rotating shaft, and the clamp rotating shaft penetrates through the first clamp handle to be rotatably connected with the clamp base; the second connecting plate is the second rotating part with the third connecting plate junction.

5. The cold header clamping table mechanism according to claim 4, wherein: the second clamp handle comprises a fifth connecting plate and a sixth connecting plate, the fifth connecting plate is fixed at the upper end of the sixth connecting plate to form an L-shaped structure, one end of the fifth connecting plate is provided with a first adjusting hole, the other end of the fifth connecting plate is provided with a second adjusting hole, the first adjusting hole is communicated with the second adjusting hole through a locking groove, the locking groove is provided with a locking threaded hole, and the locking threaded hole penetrates through the upper end and the lower end of the fifth connecting plate; the adjusting part is an eccentric adjusting column, the eccentric adjusting column penetrates through a first adjusting hole and a second rotating part, an eccentric part is arranged on the eccentric adjusting column, the eccentric part is arranged in the first adjusting hole, a pressing shaft is arranged in the second adjusting hole, the other end of the pressing shaft penetrates through the clamp seat, a pressing rod is obliquely arranged above the pressing shaft, and the pressing rod is arranged on the rear side of the clamp seat.

6. The cold header clamping table mechanism according to claim 3, wherein: the clamp opening device comprises a cam rotating shaft and a plurality of sets of clamp opening assemblies corresponding to the clamp assemblies, each clamp opening assembly comprises a first cam and a pressure arm assembly, the first cams are mounted on the cam rotating shaft, the cam rotating shaft is rotatably connected to the clamp mounting seats, the pressure arm assemblies are connected to the rear sides of the clamp mounting seats side by side through clamp opening connecting rods, the pressure arm assemblies are rotatably connected to the clamp opening connecting rods, two ends of each clamp opening connecting rod are mounted on the clamp mounting seats, one end of each pressure arm assembly is abutted to the first cam, and the other end of each pressure arm assembly is above the pressure shaft.

7. The cold header clamping table mechanism according to claim 6, wherein: the pressing arm assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is arranged above the second pressing plate, the second pressing plate is arranged above the pressing shaft, the first pressing plate and the second pressing plate are respectively connected to the opening clamp connecting rod in a rotating mode, the first pressing plate comprises a supporting handle and a pressing strip, the bottom end of the supporting handle is connected with the opening clamp connecting rod in a rotating mode, the pressing strip is vertically installed at the front end above the supporting handle in an adjustable mode, the rear end above the supporting handle is abutted to the first cam, and the lower portion of the pressing strip is abutted to the second pressing plate.

8. The cold header clamping table mechanism according to claim 7, wherein: the pressing strip is a bolt, and the bolt is in threaded connection with the supporting handle.

9. The cold header clamping table mechanism according to claim 2, wherein: and a stripping device is arranged above the clamp assembly and is used for pressing the pressing shaft.