CN111016267B - Connecting device of quick stamping assembly - Google Patents
Connecting device of quick stamping assembly Download PDFInfo
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- CN111016267B CN111016267B CN201911390630.3A CN201911390630A CN111016267B CN 111016267 B CN111016267 B CN 111016267B CN 201911390630 A CN201911390630 A CN 201911390630A CN 111016267 B CN111016267 B CN 111016267B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/068—Drive connections, e.g. pivotal
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Abstract
The invention relates to the technical field of machinery. A connecting device of a quick stamping assembly comprises a pressure head, a pressure rod, a clamping block, a compression spring and a spring seat; the pressure rod is provided with a channel which penetrates through the pressure rod from front to back, and the channel comprises a pressure head limiting groove, a fixture block mounting groove and a spring seat mounting hole which are sequentially arranged from front to back; the fixture block can be axially and slidably arranged in the fixture block mounting groove; the compression spring is arranged in the channel and is arranged between the spring seat and the clamping block; the upper end part of the pressure head is provided with a clamping head matched with the pressure head limiting groove; the front end part of the clamping block is provided with a clamping leg extending forwards, and the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping joint; the fixture block is provided with a threaded hole for being in threaded connection with the screw rod, and the spring seat is provided with a through hole for penetrating through the screw rod. This patent is in installation and change in-process, has greatly reduced workman's intensity of labour.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a connecting structure of a pressing head and a pressing rod of a stamping assembly.
Background
The metal compression equipment is vertical and horizontal, is mainly used for briquetting and forming metal waste materials such as broken particles, scrap iron and the like, and is convenient for packaging, transportation and remelting for steelmaking. In the metal compression equipment, the stamping assembly is a forming key part and consists of a pressure head and a pressure rod.
The main connection modes of the existing stamping assembly include self-threaded connection, external threaded connection, welding connection and the like.
The threaded connection has the defects that after the pressure head is extruded for a long time, the threaded part is extruded and deformed, when the pressure head is damaged and needs to be replaced, the pressure rod is difficult to disassemble or deformed after being disassembled with strong force, and the normal use after replacement is influenced; in addition, no matter which kind of threaded connection structure, all lack the pressure head and prevent changeing and prevent the unbalance loading function.
Fusion welding type connections have the disadvantage that the pressure head and the pressure rod need to be replaced integrally after the pressure head is damaged, which is too high in cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a connecting device of a quick stamping assembly, which is used for solving at least one technical problem.
In order to achieve the purpose, the invention provides a connecting device of a quick stamping assembly, which comprises a pressure head, a pressure rod, a clamping block, a compression spring and a spring seat, wherein the clamping block is arranged on the pressure head;
the rear end part of the pressure head is provided with a clamping head, and the rear end part of the clamping head is provided with a limiting part which extends outwards in the radial direction;
the compression rod is provided with a channel which penetrates through the compression rod from front to back, the front end of the channel is an insertion end for the compression rod to be sequentially inserted into the spring seat, the compression spring, the fixture block and the clamping head, and the channel comprises a compression head limiting groove, a fixture block mounting groove and a spring seat mounting hole for mounting the spring seat, which are sequentially arranged from front to back;
when the clamping head is axially inserted into the pressure head limiting groove and the clamping head circumferentially rotates to a locking position, the pressure head limiting groove axially limits the clamping head;
the fixture block can be axially and slidably arranged in the fixture block mounting groove;
the front end part of the clamping block is provided with a clamping leg extending forwards, the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping head, and when the clamping head circumferentially rotates to a locking position in the pressure head limiting groove, the clamping leg extends into the pressure head limiting groove to limit the circumferential rotation of the clamping head;
the compression spring is arranged in the channel and is arranged between the spring seat and the fixture block;
the fixture block is provided with a threaded hole for being in threaded connection with a screw rod, and the spring seat is provided with a through hole for penetrating through the screw rod.
This patent is through optimizing traditional punching press subassembly's pressure head and the connection structure of depression bar, owing to adopted automatic buckle mode, at installation and change in-process, greatly reduced workman's intensity of labour, simultaneously, owing to need not change new depression bar, so reduced use cost, satisfy the requirement of consumption reduction increase.
During the installation, at first put spring holder, compression spring, fixture block in the depression bar in proper order, insert the pressure head spacing groove of depression bar with the joint axial of pressure head again, at this moment, the fixture block is to backward axial motion in the fixture block mounting groove, behind the joint axial inserts the pressure head spacing groove, the circumferential direction is rotatory, hears the click sound and can loosen, explains this moment, when the joint has rotated to latched position (also be exactly the joint during the pressure head spacing inslot), at this moment, the fixture block is under the effect of spring, and the card leg stretches into the pressure head spacing groove, and the card leg blocks the joint, and the circumferential direction of restriction joint realizes the position locking each other of dop, fixture block and depression bar three.
During the dismantlement, stretch into the through-hole of spring holder with the screw rod, screw up the threaded hole on the fixture block with the screw rod, then, draw the fixture block behind the screw rod, can break away from out from the pressure head spacing groove with the card leg of fixture block, at this moment, the joint can be at the random rotation in circumference of pressure head spacing inslot, but the joint is rotatory when the joint axial breaks away from the position (also is the first axial insertion position of joint), can follow the pressure head spacing inslot and deviate from. And loosening and pulling out the screw rod to finish the disassembling process.
Preferably, the front end of the clamping block is provided with two clamping legs, and a gap between the two clamping legs on the clamping block is used as a notch for axially embedding the clamping joint;
the joint is in when pressure head spacing inslot circumference rotation to latched position, the card leg sets up pressure head spacing groove with clearance department between the joint.
The clamping legs are convenient to circumferentially limit the clamping connector.
Further preferably, an orthographic projection area of the inner contour of the spring seat mounting hole is arranged in the orthographic projection area of the inner contour of the fixture block mounting groove;
the orthographic projection area of the inner contour of the fixture block mounting groove is arranged in the orthographic projection area of the inner contour of the pressure head limiting groove.
The spring seat, the compression spring and the clamping block are conveniently and sequentially placed in the pressure rod.
Further preferably, the spring seat comprises a sleeve with an opening at the front end, the rear end of the sleeve is a limiting part of the sleeve for limiting the spring, and the through hole is formed in the rear end of the sleeve;
the front end part of the sleeve is provided with a limiting bulge extending outwards in the radial direction, and the limiting bulge is used for limiting the axial backward movement of the spring seat in the spring seat mounting hole.
The spring seat is convenient to fix.
Further preferably, a protrusion extending backwards is arranged in the center of the rear end of the clamping block, and the front end of the compression spring is sleeved on the periphery of the protrusion.
The fixation of the compression spring is facilitated.
Further preferably, the distance from the center of gravity to the outer edge of the cross section of the fixture block is different. The fixture block is convenient to prevent rotating and fix in the fixture block mounting groove. That is, the cartridge is non-circular in cross-section.
Further preferably, the cross section of the fixture block is in an oval shape.
Further preferably, the card joint comprises a front part and a rear part which are arranged in front and rear, and an axial orthographic projection area of the front part is arranged in an axial orthographic projection area of the rear part;
taking the area of the clamping joint provided with the extension part as the rear part;
the pressure head spacing groove is including preceding groove and the back groove that sets up around, preceding groove is for being used for inserting the inserted hole at rear portion, preceding groove is used for holding anterior circumferential direction, the back groove is used for holding rear portion circumferential direction.
The clamping head is convenient to be clamped with the pressure head limiting groove in a rotating manner.
Further preferably, the axial projection surface of the rear portion and the axial projection surface of the front portion during circumferential rotation from the initial insertion position to the locking position, and the combined projection surface after overlapping matches the cross section of the front groove. The front groove can be inserted into the rear part and the front part can rotate in the circumferential direction conveniently. When the card connector rotates 90 degrees, the card connector rotates from the initial insertion position to the locking position.
Specifically, the outer contour of the cross-sectional area of the front part is a first waist-shaped structure formed by sequentially connecting a first arc, a first line segment, a second arc and a second line segment;
the outer contour of the cross-sectional area of the rear part is a second waist-shaped structure formed by sequentially connecting and enclosing a third semicircular arc, a third line segment, a fourth semicircular arc and a fourth line segment;
the outer contour of the cross section area of the front groove is formed by sequentially connecting and enclosing a fifth circular arc, a sixth circular arc, a seventh circular arc and an eighth circular arc;
the radius of the fifth circular arc is matched with that of the first circular arc;
the radius of the sixth arc is matched with the radius of the third semicircular arc;
the radius of the seventh circular arc is matched with that of the second circular arc;
and the radius of the eighth arc is matched with that of the fourth semi-arc.
Further preferably, the rear groove is a circular hole with an inner diameter larger than the maximum length of the rear part in the radial direction, and the difference between the diameter of the circular hole and the maximum length of the rear part in the radial direction is not more than 5 mm. Facilitating circumferential rotation of the rear portion within the rear slot.
As another solution, the patent may omit the spring seat, as follows:
a connecting device of a quick stamping assembly comprises a pressure head, a pressure rod, a clamping block and a compression spring, wherein the clamping block is arranged on the pressure head;
the rear end part of the pressure head is provided with a clamping head, and the rear end part of the clamping head is provided with a limiting part which extends outwards in the radial direction;
the pressure rod is provided with a channel which penetrates through the pressure rod from front to back, the front end of the channel is an insertion end for the pressure rod to be sequentially inserted into the compression spring, the fixture block and the clamping head, and the channel comprises a pressure head limiting groove, a fixture block installation groove and a through hole for a screw rod to pass through, which are sequentially arranged from front to back;
when the clamping head is axially inserted into the pressure head limiting groove and the clamping head circumferentially rotates to a locking position, the pressure head limiting groove axially limits the clamping head;
the fixture block can be axially and slidably arranged in the fixture block mounting groove;
the front end part of the clamping block is provided with a clamping leg extending forwards, the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping head, and when the clamping head circumferentially rotates to a locking position in the pressure head limiting groove, the clamping leg extends into the pressure head limiting groove to limit the circumferential rotation of the clamping head;
the rear end of the compression spring abuts against the inner wall of the channel, and the front end of the compression spring abuts against the fixture block;
and the fixture block is provided with a threaded hole for connecting the screw rod in a threaded manner.
And then can omit the spring holder, adopt the passageway to realize spacing to the spring.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of one embodiment of the indenter of the present invention;
FIG. 3 is a schematic view of an alternative embodiment of the indenter of the present invention;
FIG. 4 is a schematic perspective view of the indenter of the present invention;
FIG. 5 is a schematic structural view of a fixture block according to the present invention;
FIG. 6 is a schematic structural view of the fixture block of the present invention from another perspective;
FIG. 7 is a schematic perspective view of a fixture block according to the present invention;
FIG. 8 is a front elevational view of the compression link of the present invention;
FIG. 9 is a schematic view of the compression bar of the present invention in a half-section configuration.
Wherein: 1 is the pressure head, 2 is the depression bar, 3 is the fixture block, 4 is compression spring, 5 is the spring holder, 11 is the front portion, 12 is the rear portion, 21 is the pressure head spacing groove, 22 is the fixture block mounting groove, 23 is the spring holder mounting hole, 31 is the breach, 32 is the card leg, 61 is first circular arc, 62 is the second circular arc, 63 is the third semicircle, 64 is the fourth semicircle, 65 is the fifth circular arc, 66 is the sixth circular arc, 67 is the seventh circular arc, 68 is the eighth circular arc, 211 is the front slot, 212 is the back slot.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In embodiment 1, referring to fig. 1 to 9, a connecting device of a quick stamping assembly includes a pressing head 1, a pressing rod 2, a clamping block 3, a compression spring 4 and a spring seat 5.
Referring to fig. 2, 3 and 4, the rear end of the pressure head 1 is provided with a clamping head, and the rear end of the clamping head is provided with a limiting part extending radially outwards. The clamping joint comprises a front part 11 and a rear part 12 which are arranged in front and back, and an axial orthographic projection area of the front part 11 is arranged in an axial orthographic projection area of the rear part 12; the area of the clamping joint provided with the extension part is used as the rear part. The section of the rear part is in a waist circle shape. The pressure head also comprises a pressing part, and the pressing part is connected with the clamping joint to form the pressure head. The outer diameter of the pressing portion is larger than the maximum radial length of the card connector. The outer diameter of the pressing part is matched with that of the pressure rod.
Referring to fig. 1, 8 and 9, a channel penetrating through the front and the back is formed in the pressure lever 2, the front end of the channel is an insertion end into which the pressure lever is inserted in sequence into the spring seat, the compression spring, the fixture block and the clamp connector, and the channel comprises a pressure head limiting groove 21, a fixture block mounting groove 22 and a spring seat mounting hole 23 for mounting the spring seat 5, which are arranged in sequence from the front to the back. After the clamping head is axially inserted into the pressure head limiting groove, when the clamping head rotates to the locking position in the circumferential direction, the pressure head limiting groove is opposite to the axial limiting of the clamping head. The back end of the pressure lever is provided with an annular boss which extends radially outwards, and the annular boss is provided with a threaded hole. The detachable connection of the pressure lever and other parts is convenient.
With respect to the structure of the indenter retaining groove, it may be that the indenter retaining groove 21 includes a front groove 211 and a rear groove 212 provided in the front and rear, the front groove being an insertion opening for inserting the rear portion, and the front groove 211 being for accommodating the front portion 11 for circumferential rotation, and the rear groove 212 being for accommodating the rear portion 12 for circumferential rotation. The clamping head is convenient to be clamped with the pressure head limiting groove in a rotating way. The axial projection surface of the rear part and the axial projection surface of the front part in the process of circumferentially rotating from the initial insertion position to the locking position, and the overlapped combined projection surface is matched with the cross section of the front groove. The front groove can be inserted into the rear part and the front part can rotate in the circumferential direction conveniently. When the card connector rotates 90 degrees, the card connector rotates from the initial insertion position to the locking position. Specifically, the outer contour of the cross-sectional area of the front portion 11 may be a first kidney-shaped structure formed by connecting a first circular arc 61, a first line segment, a second circular arc 62 and a second line segment in sequence. The first line segment is parallel to the second line segment. The front part and the rear part are both plane symmetrical structures. The outer contour of the cross-sectional area of the rear portion 12 is a second kidney-shaped structure formed by sequentially connecting a third semicircular arc 63, a third line segment, a fourth semicircular arc 64 and a fourth line segment. The third line segment is parallel to the fourth line segment. The first arc and the second arc are concentric. The outer contour of the cross-sectional area of the front groove is formed by sequentially connecting and enclosing a fifth arc 65, a sixth arc 66, a seventh arc 67 and an eighth arc 68; the radius of the fifth circular arc 65 matches the radius of the first circular arc 61; the radius of the sixth arc 66 matches the radius of the third semi-arc 63; the radius of the seventh circular arc 67 matches the radius of the second circular arc 62; the radius of eighth arc 68 matches the radius of fourth arc 64. The fifth arc and the seventh arc are concentric. And then the bayonet joint can be rotated by 90 degrees to the locking position. And certainly not limited to such a sectional form. The rear groove 212 is a circular hole having an inner diameter larger than the maximum length of the rear portion 12 in the radial direction, and the difference between the diameter of the circular hole and the maximum length of the rear portion in the radial direction is not more than 5 mm. Facilitating circumferential rotation of the rear portion within the rear slot.
The fixture block 3 can be axially and slidably arranged in the fixture block mounting groove.
Referring to fig. 5, 6 and 7, the front end of the latch 3 is provided with a forwardly extending latch leg 32, and the latch leg is used as a limiting member for limiting the circumferential rotation of the latch head. When the clamping head is inserted into the initial position of the pressure head limiting groove, the rear end face of the clamping head is abutted against the front end face of the clamping leg. When the clamping head rotates to the locking position in the pressure head limiting groove in the circumferential direction, the clamping legs are opposite to the clamping head for limiting the circumferential rotation. The limiting of the clamping joint is realized through the clamping legs. Specifically, the clamping legs are used for being embedded into a gap between the pressure head limiting groove and the clamping head. The section of the clamping leg is matched with the section of a gap formed by the pressure head limiting groove and the clamping head in a surrounding mode. For example, the front end of the latch 3 is provided with two forwardly extending latch legs 32, a gap between the two latch legs 32 on the latch 3 is used as a notch 31 for axially inserting into the latch head, and the latch 3 is used as a limiting member for limiting the circumferential rotation of the latch head. When the clamping head rotates to the locking position in the circumferential direction, the clamping legs extend into the pressure head limiting groove, and the clamping legs are clamped in a gap between the pressure head limiting groove and the clamping head. Realize through fixture block 3 that the joint of pressure head 1 fixes in the fixture block mounting groove. The axial length of the clamping leg is not greater than the axial length of the clamping head. The distance between the two clamping legs is matched with the length of the short side on the radial direction of the clamping joint. Of course, the following scheme can also be adopted, and the clamping joint is provided with an embedded groove for embedding the clamping leg. When the clamping head rotates to the locking position in the circumferential direction, the clamping legs extend into the pressure head limiting groove and are clamped in the embedded groove. Both can realize spacing to the circumferential direction of joint.
The distance from the center of gravity of the section of the fixture block 3 to the outer edge varies. That is, the cartridge is non-circular in cross-section. The fixture block 3 is convenient to prevent rotating and fix in the fixture block mounting groove. The section of the fixture block is matched with the section of the rear part. The cross section refers to a cross section in a direction perpendicular to the axis.
The section of the fixture block 3 can be in a waist shape. The fixture block 3 is provided with a threaded hole for being in threaded connection with a screw rod, and the spring seat 5 is provided with a through hole for penetrating through the screw rod. When the clamping block is pulled backwards through the screw rod to abut against the rear side of the clamping block mounting groove, the front end of the clamping leg of the clamping block is positioned in the clamping block mounting groove. The circumferential rotation of the clamping head is convenient to disengage.
The compression spring 4 is arranged in the compression rod 2 and is clamped and fixed between the spring seat 5 and the fixture block 3. The spring gives the clamping block the elasticity for clamping the clamping joint.
The orthographic projection area of the inner contour of the spring seat mounting hole is arranged in the orthographic projection area of the inner contour of the fixture block mounting groove; the orthographic projection area of the inner contour of the clamping block mounting groove is arranged in the orthographic projection area of the inner contour of the pressure head limiting groove. The spring seat 5, the compression spring 4 and the fixture block 3 are conveniently placed in the pressure lever 2 in sequence.
The spring seat 5 comprises a sleeve with an opening at the front end, the rear end part of the sleeve is a limiting part for limiting the spring, and the through hole is formed in the rear end part of the sleeve; the front end of the sleeve is provided with a limiting bulge which extends radially outwards, and the limiting bulge is used for limiting the axial backward movement of the spring seat 5 in the spring seat mounting hole. Facilitating the fixing of the spring seat 5.
The center of the rear end of the clamping block 3 is provided with a protrusion extending backwards, and the front end part of the compression spring 4 is sleeved on the periphery of the protrusion. Facilitating the fixing of the compression spring 4.
The clamping block and the pressure head can be made of metal materials. When the clamping block and the pressure head are clamped in the locking position, a click sound can be generated to remind that the clamping is in place.
The side wall of the pressing part of the pressing head can be provided with an identification line, and the side wall of the pressing rod can be provided with an initial alignment line for initial insertion alignment of the pressing head and a locking alignment line for locking position alignment. The user can conveniently and quickly know the insertion position and the locking position. When the pressure head is detached, the identification line of the pressure head can be rotated from the alignment locking alignment line to the alignment initial alignment line, and the pressure head is separated. Or the section of the contact part of the pressure lever and the pressure applying part of the pressure head is not circular. The pressure lever is matched with the section of the contact part of the pressure applying part of the pressure head (namely, the rear end surface of the pressure applying part of the pressure head is matched with the front end surface of the pressure lever), the axial projection of the rear end surface of the pressure applying part of the pressure head at the initial insertion position is the same as the axial projection at the locking position, and the rest axial projections in the process of rotating from the initial insertion position to the locking position are different. Is convenient for quick assembly and disassembly.
As another scheme, on the basis of the specific embodiment 1, the spring seat may be omitted, and specifically, the connecting device of the quick stamping assembly includes a pressing head, a pressing rod, a clamping block and a compression spring; the rear end part of the pressure head is provided with a clamping head, and the rear end part of the clamping head is provided with a limiting part which extends outwards in the radial direction; the pressure rod is provided with a channel which penetrates through the pressure rod from front to back, the front end of the channel is an insertion end for the pressure rod to be sequentially inserted into the compression spring, the fixture block and the clamping head, and the channel comprises a pressure head limiting groove, a fixture block installation groove and a through hole for the screw rod to pass through, which are sequentially arranged from front to back; when the clamping head is axially inserted into the pressure head limiting groove and the clamping head circumferentially rotates to a locking position, the pressure head limiting groove axially limits the clamping head; the fixture block can be axially and slidably arranged in the fixture block mounting groove; the front end part of the clamping block is provided with a clamping leg extending forwards, the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping head, and when the clamping head rotates to a locking position in the circumferential direction in the pressure head limiting groove, the clamping leg extends into the pressure head limiting groove to limit the circumferential rotation of the clamping head; the rear end of the compression spring is abutted against the inner wall of the channel, and the front end of the compression spring is abutted against the fixture block; the fixture block is provided with a threaded hole for connecting the screw rod in a threaded manner. And then can omit the spring holder, adopt the passageway to realize spacing to the spring. The through-hole may be a stepped through-hole. Or may be a cylindrical through hole.
The stamping assembly has the beneficial effects that the connecting structure of the pressure head 1 and the pressure rod 2 of the traditional stamping assembly is optimized, the automatic buckling mode is adopted, the labor intensity of workers is greatly reduced in the installation and replacement processes, and meanwhile, the use cost is reduced and the requirements of consumption reduction and efficiency improvement are met as a new pressure rod 2 is not required to be replaced.
During the installation, at first put spring holder 5, compression spring 4, fixture block 3 in the depression bar 2 in proper order, insert the pressure head spacing groove 21 of depression bar 2 with the joint axial of pressure head 1 again, at this moment, fixture block 3 is backward axial motion in fixture block mounting groove 22, after the joint axial inserts the pressure head spacing groove, the rotation in a circumferential direction hears the click sound and can loosen, explain this moment, when the joint has rotated to latched position (also be exactly the joint is in during the pressure head spacing inslot), at this moment, the fixture block is under the effect of spring, the pressure head spacing groove is stretched into to the card leg, the card leg blocks the joint, the circumferential direction of restriction joint, realize the mutual position locking of dop, fixture block and depression bar three.
During the dismantlement, stretch into the through-hole of spring holder 5 with the screw rod, screw up the threaded hole on the fixture block with the screw rod, then, draw the fixture block behind the screw rod, can break away from out the card leg of fixture block from the pressure head spacing groove, at this moment, the joint can be at the pressure head spacing inslot random rotation in a circumferential direction, but the joint is rotatory when the joint axial breaks away from the position (also be the joint first axial insertion position), can follow the pressure head spacing inslot and deviate from. And loosening and pulling out the screw rod to finish the disassembling process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. A connecting device of a rapid stamping assembly comprises a pressure head, a pressure rod, a clamping block, a compression spring and a spring seat;
the rear end part of the pressure head is provided with a clamping head, and the rear end part of the clamping head is provided with a limiting part which extends outwards in the radial direction;
the compression rod is provided with a channel which penetrates through the compression rod from front to back, the front end of the channel is an insertion end for the compression rod to be sequentially inserted into the spring seat, the compression spring, the fixture block and the clamping head, and the channel comprises a compression head limiting groove, a fixture block mounting groove and a spring seat mounting hole for mounting the spring seat, which are sequentially arranged from front to back;
when the clamping head is axially inserted into the pressure head limiting groove and the clamping head circumferentially rotates to a locking position, the pressure head limiting groove axially limits the clamping head;
the fixture block can be axially and slidably arranged in the fixture block mounting groove;
the front end part of the clamping block is provided with a clamping leg extending forwards, the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping head, and when the clamping head circumferentially rotates to a locking position in the pressure head limiting groove, the clamping leg extends into the pressure head limiting groove to limit the circumferential rotation of the clamping head;
the compression spring is arranged in the channel and is arranged between the spring seat and the fixture block;
the fixture block is provided with a threaded hole for being in threaded connection with a screw rod, and the spring seat is provided with a through hole for penetrating through the screw rod.
2. A quick punch assembly attachment apparatus as recited in claim 1, further comprising: the front end of the clamping block is provided with two clamping legs, and a gap between the two clamping legs on the clamping block is used as a notch for axially embedding the clamping joint;
the joint is in when pressure head spacing inslot circumference rotation to latched position, the card leg sets up pressure head spacing groove with clearance department between the joint.
3. A quick punch assembly attachment apparatus as recited in claim 1, further comprising: the spring seat comprises a sleeve with an opening at the front end, the rear end part of the sleeve is a limiting part of the sleeve for limiting the spring, and the through hole is formed in the rear end part of the sleeve;
the front end part of the sleeve is provided with a limiting bulge extending outwards in the radial direction, and the limiting bulge is used for limiting the axial backward movement of the spring seat in the spring seat mounting hole.
4. A quick punch assembly attachment apparatus as recited in claim 1, further comprising: the center of the rear end of the clamping block is provided with a protrusion extending backwards, and the front end of the compression spring is sleeved on the periphery of the protrusion.
5. A quick punch assembly attachment apparatus as recited in claim 1, further comprising: the distance from the center of gravity of the section of the fixture block to the outer edge is different.
6. A quick punch assembly connection as recited in claim 5, further comprising: the section of the clamping block is in a waist circle shape.
7. A quick punch assembly attachment apparatus as recited in claim 1, further comprising: the clamping joint comprises a front part and a rear part which are arranged in front and back, and an axial orthographic projection area of the front part is arranged in an axial orthographic projection area of the rear part;
taking the area of the clamping joint provided with the extension part as the rear part;
the pressure head spacing groove is including preceding groove and the back groove that sets up around, preceding groove is for being used for inserting the inserted hole at rear portion, preceding groove is used for holding anterior circumferential direction, the back groove is used for holding rear portion circumferential direction.
8. A quick punch assembly attachment apparatus as recited in claim 7, further comprising: the axial projection surface of the rear part and the axial projection surface of the front part in the process of circumferentially rotating from the initial insertion position to the locking position, and the overlapped combined projection surface is matched with the cross section of the front groove.
9. A quick punch assembly attachment apparatus as recited in claim 8, further comprising: the outer contour of the cross-sectional area of the front part is a first kidney-shaped structure formed by sequentially connecting a first circular arc, a first line segment, a second circular arc and a second line segment;
the outer contour of the cross-sectional area of the rear part is a second waist-shaped structure formed by sequentially connecting and enclosing a third semicircular arc, a third line segment, a fourth semicircular arc and a fourth line segment;
the outer contour of the cross section area of the front groove is formed by sequentially connecting and enclosing a fifth circular arc, a sixth circular arc, a seventh circular arc and an eighth circular arc;
the radius of the fifth circular arc is matched with that of the first circular arc;
the radius of the sixth arc is matched with the radius of the third semicircular arc;
the radius of the seventh circular arc is matched with that of the second circular arc;
and the radius of the eighth arc is matched with that of the fourth semi-arc.
10. A connecting device of a quick stamping assembly comprises a pressure head, a pressure rod, a clamping block and a compression spring, wherein the clamping block is arranged on the pressure head;
the rear end part of the pressure head is provided with a clamping head, and the rear end part of the clamping head is provided with a limiting part which extends outwards in the radial direction;
the pressure rod is provided with a channel which penetrates through the pressure rod from front to back, the front end of the channel is an insertion end for the pressure rod to be sequentially inserted into the compression spring, the fixture block and the clamping head, and the channel comprises a pressure head limiting groove, a fixture block installation groove and a through hole for a screw rod to pass through, which are sequentially arranged from front to back;
when the clamping head is axially inserted into the pressure head limiting groove and the clamping head circumferentially rotates to a locking position, the pressure head limiting groove axially limits the clamping head;
the fixture block can be axially and slidably arranged in the fixture block mounting groove;
the front end part of the clamping block is provided with a clamping leg extending forwards, the clamping leg is used as a limiting part for limiting the circumferential rotation of the clamping head, and when the clamping head circumferentially rotates to a locking position in the pressure head limiting groove, the clamping leg extends into the pressure head limiting groove to limit the circumferential rotation of the clamping head;
the rear end of the compression spring abuts against the inner wall of the channel, and the front end of the compression spring abuts against the fixture block;
and the fixture block is provided with a threaded hole for connecting the screw rod in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390630.3A CN111016267B (en) | 2019-12-30 | 2019-12-30 | Connecting device of quick stamping assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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