CN112246997A - Quick continuous clamping gun - Google Patents
Quick continuous clamping gun Download PDFInfo
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- CN112246997A CN112246997A CN202011077682.8A CN202011077682A CN112246997A CN 112246997 A CN112246997 A CN 112246997A CN 202011077682 A CN202011077682 A CN 202011077682A CN 112246997 A CN112246997 A CN 112246997A
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- 230000033001 locomotion Effects 0.000 claims abstract description 45
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 46
- 239000010963 304 stainless steel Substances 0.000 claims description 5
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 229910001339 C alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000004519 grease Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 208000035874 Excoriation Diseases 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a rapid and continuous clamping gun, which is used for clamping a section bar and shed cloth in a vehicle windshield into a whole, and comprises: the device comprises a shell assembly, a transmission shaft, a base, a connecting rod, a pin shaft and a piston rod assembly; the shell assembly receives and mounts the transmission shaft, the connecting rod, the pin shaft and the piston rod assembly; the transmission shaft is in line contact with the connecting rod, and the transmission shaft rotates and drives the connecting rod to synchronously swing along the outer contour of the transmission shaft; the connecting rod and the piston rod assembly are connected into a whole body which realizes synchronous motion through the pin shaft; the piston rod assembly is driven by the connecting rod to do reciprocating linear motion so as to be matched with the quick and continuous gun clamping base to clamp the vehicle windshield section; the base supports the housing assembly against.
Description
Technical Field
The invention belongs to the technical field of rail transit vehicles, and particularly relates to a quick and continuous gun for manufacturing a vehicle windshield.
Background
Vehicle windshield makes it an organic whole through pressing from both sides the section bar to the canopy cloth in the manufacture process, adopts the centre gripping air gun to press from both sides among the prior art, will have following problem under the circumstances that satisfies vehicle windshield preparation clamping force: 1. when the clamping force for manufacturing the vehicle windshield is certain, the volume of the clamping air gun is increased, the operation of personnel is labor-consuming, and the consistency of clamping positions of the sectional material and the shed cloth cannot be well ensured after long-time operation; 2. the clamping head of the clamping air gun drives the two clamps to clamp the section through a central shaft, and when the symmetry of the two sides of the section is not high, the clamping force of the clamps for clamping the two sides of the air gun is easy to generate and uneven, so that the clamped section is inverted to one side to deform and bend, and the risk of damaging the clamps for clamping the air gun exists after long-time use; meanwhile, as the clamping air gun base is relatively fixed, the positions of the upper seat and the base of the clamping die inevitably deviate when the section and the shed cloth are clamped, so that the clamping position of the clamped section is easily deviated; in addition, due to the fact that the size of the section bar is constant in batch production, the section bar clamping is generally carried out after the distance between an upper seat and a base of a clamping die for clamping the air gun is well set, the setting is to avoid the situation that the section bar is clamped and cracked due to overlarge clamping force, the position between the upper seat and the base is set, the clamping force of the section bar on the shed cloth is easily reduced due to abrasion of the upper seat and the base of the clamping die after the section bar is clamped for many times, when the manufactured windshield is actually applied to a vehicle, the shed cloth is easily dropped from a clamping opening of the section bar due to long-time bumping motion of a vehicle body, and the functional failure of the windshield is caused.
Disclosure of Invention
The invention aims to provide a rapid and continuous clamping gun, which solves the technical problems that in the prior art, a clamping air gun is large in size, clamping force of clamps on two sides is uneven due to single-shaft driving, the positions of an upper seat and a base of a clamping air gun clamping die deviate to cause the deviation of a section clamping position, and the clamping force between the upper seat and the base is reduced after the clamping air gun clamping die is constantly positioned for multiple times of clamping abrasion.
In order to solve the above problems, the present invention relates to a rapid and continuous clip gun for clipping a section bar and a tarpaulin in a windshield of a vehicle into a single body, the rapid and continuous clip gun comprising: the device comprises a shell assembly, a transmission shaft, a base, a connecting rod, a pin shaft and a piston rod assembly; the shell assembly receives and mounts the transmission shaft, the connecting rod, the pin shaft and the piston rod assembly; the transmission shaft is in line contact with the connecting rod, and the transmission shaft rotates and drives the connecting rod to synchronously swing along the outer contour of the transmission shaft; the connecting rod and the piston rod assembly are connected into a whole body which realizes synchronous motion through the pin shaft; the piston rod assembly is driven by the connecting rod to do reciprocating linear motion so as to be matched with the quick and continuous gun clamping base to clamp the vehicle windshield section; the base supports the housing assembly against.
Further, the housing assembly includes: the shell, the antifriction sleeve and the oil hole plug; the shell is used for installing and positioning the transmission shaft and is installed with the antifriction sleeve in an interference fit manner; the oil hole plug is arranged at the top end of the shell; the stepped profile of the base simultaneously supports the housing and the wear sleeve against each other; the anti-wear sleeve is an anti-wear copper sleeve, the shell is made of 304 stainless steel, and the oil hole plug is made of low-carbon alloy steel and subjected to surface blackening and anti-corrosion treatment.
Further, the base includes: the device comprises an upper base, an adjusting gasket and a lower base; the adjusting gasket is positioned between the upper base and the lower base, and the upper base and the lower base are connected into a whole through screws; the adjusting shim is of a single-piece type or a multi-piece type; the lower base includes: the buffer block, the guide ring, the shaft, the elastic piece and the lower bottom; the lower bottom is used for accommodating the buffer block, the guide ring, the shaft and the elastic piece; the buffer block is used for positioning the lower surface of the profile to be clamped and is tightly attached to the lower surface of the profile, and the guide ring guides the motion of the buffer block and limits the buffer block to be always positioned in the cavity of the lower bottom 335; the elastic piece is threaded on the shaft, and the shaft is used for limiting the position of the elastic piece; the elastic piece is used for relieving and reducing the pressure on the buffer block; the elastic piece is a multi-piece disc spring, 3 and 4 disc springs are one group, 4, 6 and 8 groups are adopted, and two adjacent groups of disc springs are placed in a back-to-back mode.
Further, the piston rod assembly includes: the piston rod, the elastic piece and the impact pressing block; the top end of the piston rod is connected with the connecting rod into a whole through the pin shaft; the bottom end of the piston rod is detachably connected with the impact pressing block; the elastic piece is positioned between the piston rod and the shell assembly to reset the piston rod in a moving way; the piston rod assembly is in reciprocating linear motion.
Furthermore, the transmission shaft receives the rotary motion input from the front end and converts the rotary power into the swing of the connecting rod, the connecting rod is closely contacted with the profile cam of the transmission shaft, and the profile of the transmission shaft is of a three-section structure; the radii of the three-section type outlines of the transmission shaft are respectively R1, R2 and R3, the central angles corresponding to the three-section type outlines are respectively alpha, beta and gamma, wherein the relation R1 is more than R2 and more than R3 is constant, and the alpha is more than or equal to the beta and more than the gamma; the three-section type outline radius R1 of the transmission shaft is 4.5mm, R2 is 6mm, and R3 is 12 mm; the central angles corresponding to the three-section type outline are respectively 135-155 degrees of alpha, 135-155 degrees of beta and 105-130 degrees of gamma.
Further, the piston rod of the piston rod assembly is arranged in the upper base of the base in a penetrating manner and is paired with the buffer block of the lower base, and the end part of the piston rod is provided with the impact pressing block which is used for clamping the profile and is tightly attached to the upper surface of the profile; the impact pressing block is L-shaped, and the protruding end faces one side of the buffer block; the buffer block slides along the shaft, the guide ring installed in the groove on the outer side of the buffer block is made of phenolic resin, the guide ring guides the buffer block and moves synchronously with the buffer block, and the guide ring slides in the lower bottom cavity; the buffer block is L-shaped, and the protruding end faces one side of the impact pressing block.
Further, the buffer block of the lower base and the outermost side part of the impact pressing block have an angle deviation of 0-3 degrees.
Further, the buffer block of the lower base and the outermost side part of the impact pressing block have an angle deviation of 1.5 degrees.
Further, the shaft is used for penetrating the elastic piece, the upper portion of the shaft is in clearance fit with the buffer block to guide the buffer block, a space with an adjustable offset position is formed between the upper portion of the shaft and the buffer block, and the buffer block and the shaft axis of the shaft have an angular offset of 0-3 degrees in space.
Further, the bumper has an angular offset of 1.5 ° in space from the shaft axis of the shaft
The invention has the beneficial effects that: the angle deviation between the outermost side part of the buffer block and the impact pressing block in the rapid continuous clamping gun can ensure that the clamping position of the windshield sectional material is more flexible and has a certain buffer adjustable space, thereby being beneficial to improving the efficiency of sectional material clamping. The deviation of the axial lead of the buffer block and the shaft enables the effective force of the rapid and continuous clamping gun on the profile clamping to be maximum, and the main clamping points of the rapid and continuous clamping gun are in the convex positions, so that the clamping force acting on the profile is more uniform and stable. Meanwhile, the overall structure of the rapid continuous clamping gun is simple, the rotating motion of the external gear mechanism is converted into the reciprocating linear motion of the piston rod through the transmission shaft to drive the impact pressing block to clamp the windshield sectional material, the specific three-section profile of the transmission shaft enables the impact pressing block to clamp the windshield sectional material more stably and rapidly, the problem that clamping force parts of clamps on two sides are uniform in the prior art is effectively solved, and the impact pressing block can clamp different windshield sectional materials through matching combination of various piston rods and connecting rods.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.
Fig. 1 is a schematic view of the overall structure of the rapid continuous gun clamp of the invention.
FIG. 2 is a sectional view of the first part of the rapid continuous gun according to the present invention;
FIG. 3 is a schematic view of the driving shaft of the rapid continuous gun-clamping of the present invention;
FIG. 4 is a schematic cross-sectional view A-A of a drive shaft of the rapid continuous gun assembly of the present invention;
fig. 5 is a sectional view of the quick continuous gun according to the present invention.
In the figure:
the casing assembly 100, the outer casing 110, the anti-friction sleeve 120, the oil hole plug 130, the transmission shaft 200, the base 300,
an upper base 310, a spacer 320, a lower base 330, a buffer block 331, a guide ring 332, a shaft 333,
the elastic member 334, the lower base 335, the connecting rod 400, the pin 500, the piston rod assembly 600, the piston rod 610,
Detailed Description
Figures 1 through 5, discussed below, and the various embodiments used to describe the principles of the present invention in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the invention. Those skilled in the art will understand that the principles of the present invention may be implemented in any suitable type of rapid serial gun. The terminology used to describe various embodiments is exemplary. It should be understood that these are provided solely to aid in the understanding of this specification and their use and definition do not limit the scope of the invention in any way. The use of the terms first, second, etc. to distinguish between objects having the same set of terms is not intended to represent a temporal order in any way, unless otherwise specifically stated. A group is defined as a non-empty group containing at least one element.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. It should be understood that the exemplary embodiments described herein should be considered in descriptive sense only and not for purposes of limitation. Descriptions of features or aspects within each exemplary embodiment should generally be considered as available for similar features or aspects in other exemplary embodiments.
Example 1
As shown in fig. 1 to 5, a rapid succession clamping gun according to an exemplary embodiment of the present invention for clamping a section bar and a tarpaulin in a windshield of a vehicle into a single body includes: the structure comprises a shell assembly 100, a transmission shaft 200, a base 300, a connecting rod 400, a pin shaft 500 and a piston rod assembly 600; the housing assembly 100 receives and mounts the transmission shaft 200, the link 400, the pin 500, and the piston rod assembly 600; the transmission shaft 200 is in line contact with the link 400, the outer profile of the transmission shaft 200 transmitting power is shaped like a cam, the connecting rod 400 moves along the outer contour of the transmission shaft 200 by the line contact of the transmission shaft 200 and the connecting rod 400, the precision control of the movement speed and the movement position of the connecting rod 400 completely depends on the contour curve of the transmission shaft 200, the transmission shaft 200 rotates and drives the connecting rod 400 to synchronously swing along the outer contour of the transmission shaft 200, the connecting rod 400 is used as an important part for bearing the rotation motion of the transmission shaft 200 and the reciprocating linear motion of the piston rod assembly 600 at the lower part, and the connecting rod 400 is set to swing motion to play a role in that when the rotation of the transmission shaft 200 and the reciprocating linear motion of the piston rod assembly 600 have motion errors, the motion of the connecting rod 400 is adjusted or compensated through the swinging motion characteristic of the connecting rod, so that the consistency of the motion steps of the transmission shaft 200 and the piston rod assembly 600 is realized; the connecting rod 400 and the piston rod assembly 600 are connected into a whole body through the pin shaft 500 to realize synchronous motion; the piston rod assembly 600 is driven by the connecting rod 400 to perform reciprocating linear motion so as to cooperate with a fast and continuous clamping gun base to clamp the vehicle windshield profile. The connecting rod 400 swings through clearance fit with the pin shaft 500, and meanwhile, the piston rod assembly 600 is in interference fit with the pin shaft 500 and pushes the piston rod assembly 600 to perform reciprocating linear motion through the connecting rod 400; when the rotating speed of the transmission shaft 200 is greater than the reciprocating linear motion speed of the piston rod assembly 600, the connecting rod 400 swings on the pin shaft 500 at a small angle to reduce the working stroke of the connecting rod 400, so that the piston rod assembly 600 moves in an accelerated manner to realize the consistency of the motion steps of the piston rod assembly 600 and the piston rod assembly; when the rotating speed of the transmission shaft 200 is less than the reciprocating linear motion speed of the piston rod assembly 600, the connecting rod 400 swings on the pin shaft 500 by a large angle to improve the working stroke of the connecting rod 400, so that the piston rod assembly 600 performs deceleration motion to realize the consistency of the motion steps of the two. The base 300 supports against and supports the shell assembly 100, the base 300 supports against the shell assembly 100, the shell assembly 100 is prevented from slipping off in the axial direction of parts in the shell assembly 100, the base can also play a role in positioning the shell assembly 100, and meanwhile, the stepped structure of the base 300 is more beneficial to preventing lubricating grease in the moving mechanism of the quick and continuous gun from leaking.
The housing assembly 100 includes: the shell 110, the antifriction sleeve 120 and the oil hole plug 130; the outer shell 110 is used for installing and positioning the transmission shaft 200 and is installed in an interference fit manner with the antifriction sleeve 120; the oil hole plug 130 is installed at the top end of the outer shell 110; the upper base 310 of the base 300 is stepped in profile while supporting the housing 110 and the wear sleeve 120 in abutment. The top end of the shell 110 is provided with the oil hole plug 130 for conveniently and quickly filling lubricating grease for the moving mechanism of the rapid and continuous gun clamping, the lubricating grease can be effectively prevented from leaking from other positions of the shell assembly 100 based on the heated fluidity of the lubricating grease, the antifriction sleeve 120 and the shell 110 are in interference fit for containing and limiting the linear reciprocating motion range of the piston rod assembly 600, meanwhile, the stepped shape upper base 310 of the base 300 supports against the shell 110 and the antifriction sleeve 120 simultaneously, the axial sliding and falling off of the antifriction sleeve 120 from the shell 110 are favorably limited and prevented, the positioning effect of the shell 110 and the antifriction sleeve 120 can be realized, and meanwhile, the stepped structure is more favorable for preventing the lubricating grease in the moving mechanism of the rapid and continuous gun clamping from leaking. The antifriction sleeve 120 is an antifriction copper sleeve, the outer shell 110 is 304 stainless steel, and the oil hole plug 130 is made of low-carbon alloy steel and is subjected to surface blackening and anti-corrosion treatment. The material of the oil hole plug 130 installed on the outer shell 110 is different from that of the outer shell 110, so that the problem of occlusion caused by long-term screwing between the same materials can be effectively prevented.
The base 300 includes: an upper base 310, a spacer 320, and a lower base 330; the adjusting shim 320 is positioned between the upper base 310 and the lower base 330, and the upper base 310 and the lower base 330 are connected into a whole by screws; the adjusting shim 320 is of a single piece type or a plurality of pieces type; the adjusting shim 320 is used for adjusting the space distance between the upper base 310 and the lower base 330, the adjusting shim 320 can be multi-piece or single-piece, the single-piece adjusting shim 320 is made of 304 stainless steel, at least one of the multi-piece adjusting shims 320 is made of engineering plastic, and the rest is made of 304 stainless steel, so that the arrangement of the adjusting shim 320 can effectively reduce the impact caused by the fact that the force applied to the upper base 310 is directly transmitted to the lower base 330 when the rapid continuous clamping gun clamps the section, and the screw is loosened after long-time clamping work. Meanwhile, the clamping distance between the upper base 310 and the lower base 330 can be changed by adjusting the number and the thickness of the adjusting gaskets 320, so that the gun can be clamped in a rapid and continuous manner to different height profiles, the height distance between the upper base 310 and the lower base 330 can be flexibly adjusted, and the gun base 300 can be clamped in a rapid and continuous manner and has strong universality.
The lower base 330 includes: a buffer block 331, a guide ring 332, a shaft 333, an elastic member 334 and a lower base 335; the lower base 335 is in clearance fit with the outer side of the guide ring 332, the inner side of the guide ring 332 is positioned in the outer side groove of the buffer block 331 and is in interference fit with the buffer block 331, the elastic piece 334 is positioned in the inner side cavity of the buffer block 331, the shaft 333 is positioned in the center of the buffer block 331, the upper part of the shaft 333 is connected with the buffer block 331, and the bottom of the shaft 333 is in threaded connection with the lower base 335.
The elastic member 334 is a multi-piece disc spring, each 3 or 4 disc springs are in one group, 4, 6 or 8 groups are adopted, and two adjacent groups of disc springs are placed in a back-to-back manner. Elastic component 334 adopts the structure of multi-piece formula dish spring, when the quick continuous double-layered rifle presss from both sides the system to the section bar of different size cross-sections, the clamp system power size of adoption is also different, nevertheless all require to keep invariable to the speed of pressing from both sides the system section bar, in order to absorb the impact that different clamp system power caused impact briquetting 630 for elastic component 334's elastic force intensity also need correspond the satisfaction requirement, through the group number adjustment that sets up and adopt the every group number of piece number of dish spring in order to reach the effect of absorption impact. The other two adjacent sets of disc springs are placed back to achieve maximum impact force absorption within the shortest compression distance.
The piston rod assembly 600 includes: a piston rod 610, an elastic member 620 and an impact press block 630; the top end of the piston rod 610 is connected with the connecting rod 400 into a whole through the pin 500; the bottom end of the piston rod 610 is detachably connected with the impact pressing block 630; the elastic member 620 is located between the piston rod 610 and the housing assembly 100 to perform a motion resetting of the piston rod 610; the piston rod assembly 600 reciprocates linearly. The piston rod 610 of the piston rod assembly 600 is made of stainless steel, and the wear-reducing sleeve 120 is made of copper, so that the wear on the contact surface of the piston rod assembly and the wear-reducing sleeve can be effectively reduced. The top end of the piston rod 610 is connected with the connecting rod 400 through the pin shaft 500, and when any one of the piston rod 610 and the connecting rod 400 is worn to cause functional failure, the pin shaft 500 can be taken out for replacement, so that the replaceability of the piston rod 610 or the connecting rod 400 is stronger, and the operation is simple and convenient; similarly, when the piston rod assembly 600 is required to output various movement speeds and thrust forces, the piston rod assembly can be realized only by matching and combining the piston rods 610 with different models and sizes and the connecting rod 400, and the disassembly and the assembly are convenient and quick. The piston rod 610 of the piston rod assembly 600 abuts against the elastic piece 620, the elastic piece 620 abuts against the antifriction sleeve 120 of the shell assembly 100, when the connecting rod 400 attached to the surface of the transmission shaft 200 pushes the piston rod 610 along the initial section contour and the working section contour of the transmission shaft 200, the piston rod 610 overcomes the elastic force of the elastic piece 620 to realize that the piston rod 610 drives the impact pressing block 630 to move downwards to realize clamping of the windshield profile; when connecting rod 400 attached to the surface of transmission shaft 200 moves along the profile of the non-working section of transmission shaft 200, piston rod 610 resets under the action of the reset force of elastic element 620 to drive impact pressing block 630 to move upwards to realize the loosening of the windshield section bar, and then the clamping or loosening of windshield section bar by periodic impact pressing block 630 is completed through the reciprocating linear motion of piston rod 610.
The lower bottom 335 is used for receiving the buffer block 331, the guide ring 332, the shaft 333 and the elastic member 334; the buffer block 331 is used for positioning the lower surface of the profile to be clamped and is tightly attached to the lower surface of the profile, the guide ring 332 guides the movement of the buffer block 331 and limits the buffer block 331 to be always positioned in the cavity of the lower bottom 335; the elastic member 334 is threaded on the shaft 333, and the shaft 333 is used for limiting the position of the elastic member 334; the elastic member 334 is used to relieve and reduce the pressure on the buffer block 331. The main working principle is that a profile to be clamped is placed on the buffer block 331 of the lower base 330, pressure is provided to the piston rod 610 through an external driving force, the piston rod 610 drives the impact pressing block 630 to clamp the profile, a clamping force is transmitted to the buffer block 331 of the lower base 330 through the profile, the buffer block 331 is stressed to drive the guide ring 332 to move synchronously, under the dual guiding action of the lower base 335 for guiding the guide ring 332 and the shaft 333 for guiding the buffer block 331, the buffer block 331 overcomes the elastic force of the elastic member 334 to move towards the direction close to the lower base 335, so as to clamp the profile, the elastic member 334 can be used for counteracting the rigid impact brought by the impact pressing block 630 for the buffer block 331, so that the rigid impact is converted into flexible impact, and the function of protecting the buffer block 331 is achieved, the service life of the buffer block 331 is improved.
The transmission shaft 200 receives a rotational motion from a front end input and converts a rotational power into a swing of the connecting rod 400, the connecting rod 400 is in close contact with a profile cam of the transmission shaft 200, and the profile of the transmission shaft 200 is a three-section structure. The transmission shaft 200 receives the deceleration rotation motion from the front gear train, the contour of the transmission shaft 200 is in surface fit with the connecting rod 400 to form line contact, the connecting rod 400 is driven to swing through the contour of the transmission shaft 200, and the piston rod 610 in the piston rod assembly 600 is driven to act on the elastic piece 620 through the swing of the connecting rod 400 to drive the impact pressing block 630 to do reciprocating linear motion, so that the windshield section bar is clamped or loosened. The profile of the transmission shaft 200 includes three contour lines, which are: an initial phase contour line, a working phase contour line and a reset phase contour line; in the initial stage, the contour line connecting rod 400 drives the piston rod 610 to overcome the elastic force of the elastic member 620 at a constant speed to compress the piston rod 610, and at the moment, the piston rod 610 drives the impact pressing block 630 to move downwards to align the positions of the profiles to be clamped; in the working stage, the contour line connecting rod 400 drives the piston rod 610 to overcome the elastic force of the elastic element 620 at a constant speed to compress the piston rod to the maximum extent, and at the moment, the piston rod 610 drives the impact pressing block 630 to move downwards to clamp the section to be clamped; in the resetting stage, the contour line connecting rod 400 drives the piston rod 610 to overcome the force of the elastic part 620 and disappear rapidly, the elastic part 620 drives the piston rod 610 to reset rapidly, and the piston rod 610 drives the impact pressing block 630 to separate from the profile to form slack. The radius of the contour line in the initial stage is R1-4.5 mm, which corresponds to the central angle α of 135-155 °, the radius of the contour line in the working stage is R2-6 mm, which corresponds to the central angle β of 135-155 °, the radius of the contour line in the resetting stage is R3-12 mm, which corresponds to the central angle γ of 105-130 °, wherein R1, R2, and R3 have the relationship of R1 < R2 < R3, and only such radius setting can satisfy and realize that the connecting rod 400 performs uniform work on the contour line in the initial stage and the contour line in the working stage of the transmission shaft 200 and gradually increases the acting force of the piston rod 610 driving the impact pressure block 630, and the contour line in the resetting stage can perform fast resetting work to reduce the resetting time and the ineffective energy consumption of the transmission shaft 200 acting on the connecting rod 400 during resetting. The preferred central angle of the three-segment profile of the transmission shaft 200 corresponds to α ═ 150 °, β ═ 150 °, γ ═ 115 °, and the initial phase profile line can maximally utilize the effective profile of the transmission shaft at the central angle α ═ 150 °, and the torque is maximized; the contour line of the working stage can reduce vibration and noise in the process of rotating and reducing the diameter of the transmission shaft when the central angle beta is 150 degrees; the contour line in the resetting stage effectively utilizes the idle stroke when the central angle gamma is 115 degrees, and can be quickly reset when the load is empty.
A piston rod 610 which is used for being arranged in pair with the buffer block 331 of the lower base 330 penetrates through the upper base 310, and an impact pressing block 630 which is used for clamping the profile and is tightly attached to the upper surface of the profile is installed at the end of the piston rod 610; the impact pressing block 630 is L-shaped, and the protruding end faces one side of the buffer block 331. Strike briquetting 630 and be the arch of its tip of L type can more be favorable to fixing a position the section bar when laminating section bar upper surface, prevent that the section bar from deviating from in striking briquetting 630 to the main clamping point of quick continuous clip rifle is in protruding position, and such structural setting can be so that act on the clamping power on the section bar more evenly and stably.
The buffer block 331 slides along the shaft 333, the guide ring 332 arranged in the groove outside the buffer block 331 is made of phenolic resin, the guide ring 332 guides the buffer block 331 to move synchronously with the buffer block 331, and the guide ring 332 slides in the cavity of the lower bottom 335; the buffer block 331 is L-shaped, and the protruding end faces the impact pressing block 630. The guide ring 332 made of phenolic resin can effectively buffer the rigid impact between the side surface of the buffer block 331 and the side surface of the lower base 335 during the profile clamping, and the guide ring 332 slides in the cavity of the lower base 335, so that the risk of abrasion of the buffer block 331 caused by friction between the buffer block 331 and the lower base 335 can be effectively avoided. Buffer block 331 is the arch of its tip of L type can more be favorable to fixing a position the section bar when laminating section bar upper surface, prevents that the section bar from deviating from in buffer block 331 to the main clamping point of quick continuous clip rifle is in protruding position, and such structural setting can be so that the clamping power that acts on the section bar is more even and stable.
The buffer block 331 of the lower base 330 has an angular deviation of 0 to 3 ° from the outermost side edge position of the impact pressing block 630. The position of the buffer block 331 of the lower base 330 is set to have a certain angular position deviation with the impact pressing block 630, so that the buffer block 331 is more flexible to the clamping position of the profile and has a certain buffer adjustable space, and the buffer block 331 and the impact pressing block 630 can be effectively prevented from being asymmetric in the profile production and manufacturing process during the process of clamping the profile, so that the profile cannot be effectively clamped. The requirement of the angular position deviation on the symmetry of the section bar is not too high, and the structural arrangement is simple, so that the clamping efficiency of the section bar is improved.
The buffer block 331 of the lower base 330 has an angular deviation of 1.5 ° from the outermost side edge position of the impact pressing block 630. The 1.5 degree angle deviation between the two can make the position alignment of the buffer block 331 and the impact pressing block 630 reach the best, and the effective force of the buffer block 331 and the impact pressing block 630 on the section clamping at the angle reaches the maximum. When the angle between the buffer block 331 and the impact pressing block 630 is deviated, the component force generated by the deviation angle inevitably occurs, the clamping force cannot be used for clamping the section bar to the maximum extent, and the preferable angle arrangement can effectively eliminate the useless component force, so that the force required for clamping the section bar is saved to the maximum extent.
The shaft 333 is used for penetrating the elastic member 334, the upper part of the shaft 333 is in clearance fit with the buffer block 331 to guide the buffer block 331, a space with an adjustable offset position is formed between the upper part of the shaft 333 and the buffer block 331, and the axial line of the buffer block 331 and the shaft 333 has an angular offset of 0-3 degrees in space.
The buffer 331 is spatially offset from the axis of the shaft 333 by an angle of 1.5 °. The 1.5 degree angle deviation between the two can make the position alignment of the buffer block 331 and the impact pressing block 630 reach the best, and the deviation of the axial lead of the buffer block 331 and the shaft 333 at the angle can make the effective force of the buffer block 331 and the impact pressing block 630 on the clamping of the section bar be the largest. When the angle between the buffer block 331 and the impact pressing block 630 is deviated, the component force generated by the deviation angle inevitably occurs, the clamping force cannot be used for clamping the section bar to the maximum extent, and the preferable angle arrangement can effectively eliminate the useless component force, so that the force required for clamping the section bar is saved to the maximum extent. Here, the angular deviation between the axial lines of the buffer block 331 and the shaft 333 is adjusted by the gap between the buffer block 331 and the shaft 333, so that the effective force of the buffer block 331 and the impact pressing block 630 on the clamping of the profile is maximized.
The invention has the beneficial effects that: the angle deviation between the outermost side part of the buffer block and the impact pressing block in the rapid continuous clamping gun can ensure that the clamping position of the windshield sectional material is more flexible and has a certain buffer adjustable space, thereby being beneficial to improving the efficiency of sectional material clamping. The deviation of the axial lead of the buffer block and the shaft enables the effective force of the rapid and continuous clamping gun on the profile clamping to be maximum, and the main clamping points of the rapid and continuous clamping gun are in the convex positions, so that the clamping force acting on the profile is more uniform and stable. Meanwhile, the overall structure of the rapid continuous clamping gun is simple, the rotating motion of the external gear mechanism is converted into the reciprocating linear motion of the piston rod through the transmission shaft to drive the impact pressing block to clamp the windshield sectional material, the specific three-section profile of the transmission shaft enables the impact pressing block to clamp the windshield sectional material more stably and rapidly, the problem that clamping force parts of clamps on two sides are uniform in the prior art is effectively solved, and the impact pressing block can clamp different windshield sectional materials through matching combination of various piston rods and connecting rods.
In addition to the above embodiments, the present embodiment is based on the above preferred embodiments of the present invention, and the above description makes it possible for the worker to make various changes and modifications without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A rapid continuous clamping gun for clamping a section bar and a shed cloth into a whole in a vehicle windshield, which is characterized by comprising: the device comprises a shell assembly (100), a transmission shaft (200), a base (300), a connecting rod (400), a pin shaft (500) and a piston rod assembly (600); the housing assembly (100) receives and mounts the transmission shaft (200), the connecting rod (400), the pin shaft (500), and the piston rod assembly (600); the transmission shaft (200) is in line contact with the connecting rod (400), and the transmission shaft (200) rotates and drives the connecting rod (400) to synchronously swing along the outer contour of the transmission shaft (200); the connecting rod (400) and the piston rod assembly (600) are connected into a whole body for realizing synchronous motion through the pin shaft (500); the piston rod assembly (600) is driven by the connecting rod (400) to do reciprocating linear motion so as to be matched with a quick and continuous clamping gun base to clamp a vehicle windshield profile; the base (300) supports the housing assembly (100) against.
2. The quick succession gun according to claim 1, characterized in that said housing assembly (100) comprises: the anti-wear oil cylinder comprises a shell (110), an anti-wear sleeve (120) and an oil hole plug (130); the shell (110) is used for installing and positioning the transmission shaft (200) and is installed with the antifriction sleeve (120) in an interference fit manner; the oil hole plug (130) is mounted at the top end of the shell (110); the stepped profile of the base (300) supports the housing (110) and the friction reducing sleeve (120) against each other simultaneously; the anti-wear sleeve (120) is an anti-wear copper sleeve, the shell (110) is made of 304 stainless steel, and the oil hole plug (130) is made of low-carbon alloy steel and is subjected to surface blackening and anti-corrosion treatment.
3. The rapid succession clipping gun according to claim 1, characterized in that the base (300) comprises: an upper base (310), an adjustment pad (320), and a lower base (330); the adjusting gasket (320) is positioned between the upper base (310) and the lower base (330), and the upper base (310) and the lower base (330) are connected into a whole through screws; the adjusting shim (320) is of a single piece type or a plurality of piece types; the lower base (330) includes: a buffer block (331), a guide ring (332), a shaft (333), an elastic member (334) and a lower base (335); the lower base (335) is used for accommodating the buffer block (331), the guide ring (332), the shaft (333) and the elastic piece (334); the buffer block (331) is used for positioning the lower surface of the profile to be clamped and is tightly attached to the lower surface of the profile, the guide ring (332) guides the movement of the buffer block (331) and limits the buffer block (331) to be always positioned in the cavity of the lower bottom (335); the elastic piece (334) is threaded on the shaft (333), and the shaft (333) is used for limiting the position of the elastic piece (334); the elastic piece (334) is used for relieving and reducing the pressure on the buffer block (331); the elastic piece (334) is a multi-piece disc spring, each 3 or 4 disc springs are in one group, 4, 6 or 8 groups are adopted, and two adjacent groups of disc springs are placed in a back-to-back mode.
4. The rapid succession gun according to claim 1, wherein the piston rod assembly (600) comprises: a piston rod (610), an elastic piece (620) and an impact pressing block (630); the top end of the piston rod (610) is connected with the connecting rod (400) into a whole through the pin shaft (500); the bottom end of the piston rod (610) is detachably connected with the impact pressing block (630); the elastic member (620) is positioned between the piston rod (610) and the housing assembly (100) to perform motion resetting on the piston rod (610); the piston rod assembly (600) reciprocates linearly.
5. The rapid continuous gun according to claim 1, wherein the transmission shaft (200) receives a rotary motion from a front input and converts the rotary motion into a swing motion of the connecting rod (400), the connecting rod (400) is in close contact with a profile cam of the transmission shaft (200), and the profile of the transmission shaft (200) is a three-section structure; the radii of the three-section type outlines of the transmission shaft (200) are respectively R1, R2 and R3, the central angles corresponding to the three-section type outlines are respectively alpha, beta and gamma, wherein the relation R1 is more than R2 and more than R3, and alpha is more than or equal to beta and more than gamma; the three-section type outline radius R1 of the transmission shaft (200) is 4.5mm, R2 is 6mm, and R3 is 12 mm; the central angles corresponding to the three-section type outline are respectively 135-155 degrees of alpha, 135-155 degrees of beta and 105-130 degrees of gamma.
6. The rapid continuous clamping gun according to claims 3 and 4, characterized in that the piston rod (610) of the piston rod assembly (600) arranged in pairs with the buffer block (331) of the lower base (330) is penetrated in the upper base (310) of the base (300), and the end of the piston rod (610) is provided with the impact pressing block (630) which is used for clamping the section bar and is tightly attached to the upper surface of the section bar; the impact pressing block (630) is L-shaped, and the protruding end faces one side of the buffer block (331); the buffer block (331) slides along the shaft (333), the guide ring (332) installed in the groove on the outer side of the buffer block (331) is made of phenolic resin, the guide ring (332) guides the buffer block (331) and moves synchronously with the buffer block (331), and the guide ring (332) slides in the cavity of the lower bottom (335); the buffer block (331) is L-shaped, and the protruding end faces one side of the impact pressing block (630).
7. The rapid succession gun according to claim 6, characterized in that the buffer block (331) of the lower base (330) has an angular deviation of 0 ° -3 ° from the outermost lateral position of the impact mass (630).
8. The rapid succession gun according to claim 7, characterized in that the buffer block (331) of the lower base (330) has an angular deviation of 1.5 ° from the outermost lateral position of the impact mass (630).
9. The rapid continuous clamping gun according to claim 3, characterized in that the shaft (333) is used for perforating the elastic member (334), the upper part of the shaft (333) is in clearance fit with the buffer block (331) to guide the buffer block (331), a space with an adjustable offset position is arranged between the upper part of the shaft (333) and the buffer block (331), and the buffer block (331) and the shaft axis of the shaft (333) have an angle offset of 0-3 degrees in space.
10. The mount for a quick succession gun according to claim 9, characterised in that said bumper (331) has an angular offset of 1.5 ° in space from the axis of said shaft (333).
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| CN202011077682.8A CN112246997B (en) | 2020-10-10 | 2020-10-10 | Quick continuous gun |
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| CN202011077682.8A CN112246997B (en) | 2020-10-10 | 2020-10-10 | Quick continuous gun |
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| CN112246997B CN112246997B (en) | 2024-04-05 |
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