CN217254504U

CN217254504U - Post-treatment tool for cylinder body casting

Info

Publication number: CN217254504U
Application number: CN202121856667.3U
Authority: CN
Inventors: 汪涛
Original assignee: Wanmengte Automation Shanghai Co ltd
Current assignee: Wanmengte Automation Shanghai Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-08-23
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a post-processing tool for cylinder body castings, which comprises a rectangular bottom plate, a main body bracket is fixedly arranged on the bottom plate, a fixed tensioning component is arranged on the left side of the main body bracket, a movable tensioning component capable of moving transversely is arranged on the right side of the main body bracket, the fixed tensioning component comprises a first mounting plate, a first tensioning mechanism is fixedly arranged on the mounting plate and comprises a sleeve and a conical guide cap, three uniformly distributed rectangular grooves are arranged on the side surface of the sleeve, a support rod is hinged to the upper end of the rectangular groove, a connecting rod is hinged to the upper end of the support rod, the upper end of the connecting rod is hinged to the lower end side of the guide cap, a clamping block is arranged at the hinged position of the support rod and the connecting rod, a push-pull rod is fixedly arranged in the middle part of the lower side of the guide cap, the first linear lifting component drives the push-pull rod to vertically extend and retract to realize push-pull action, the movable tensioning component can automatically and passively adjust the position according to the actual hole spacing of a workpiece, and has good applicability, the rotatable clamping block is arranged, so that the expansion is stable and firm.

Description

Post-treatment tool for cylinder body casting

Technical Field

The utility model relates to a technical field is handled to the foundry goods blank, specifically is a cylinder body foundry goods aftertreatment frock.

Background

The engine cylinder block is the most important core part on the vehicle, the engine cylinder block of the existing large vehicle is mostly cast by gray cast iron, vermicular cast iron and the like, and after casting and forming, the engine cylinder block casting can be made into the finished product of the engine cylinder block after being subjected to a plurality of machining processes such as polishing, drilling and the like. The cylinder body need the equipment of polishing to its processing of polishing behind the casting shaping, generally carries out the clamping location through the piston hole during polishing, and the casting deviation between aperture size and the pitch-row exists differently, and the suitability of present frock is relatively poor, can't obtain better repeated positioning accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder body foundry goods aftertreatment frock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cylinder body casting post-processing tool comprises a rectangular bottom plate, wherein a main body support is fixedly mounted on the bottom plate and is of a shell structure, a fixed expansion assembly is mounted on the left side of the main body support, a movable expansion assembly capable of moving transversely is mounted on the right side of the main body support, the fixed expansion assembly comprises a first mounting plate, a first stretching mechanism is fixedly mounted on the mounting plate and comprises a sleeve and a conical guide cap, three uniformly distributed rectangular grooves are formed in the side surface of the sleeve, the rectangular grooves extend upwards to the upper end opening of the sleeve, a support rod is hinged to the upper end of each rectangular groove, a connecting rod is hinged to the upper end of each support rod, the upper end of each connecting rod is hinged to the lower end side of the guide cap, a clamping block is mounted at the hinged position of the support rods and the connecting rod, and the clamping block can rotate and turn over, the middle part of the lower side of the guide cap is fixedly provided with a cylindrical push-pull rod, the push-pull rod penetrates through the sleeve and the main body support, the lower end of the push-pull rod is rotatably connected with a telescopic sleeve, the bottom plate is provided with a first linear lifting assembly, and the first linear lifting assembly drives the push-pull rod to vertically stretch and retract to realize push-pull action.

Preferably, the outer side of the clamping block is an arc surface, and transverse anti-skid stripes are distributed on the arc surface.

Preferably, the activity tight subassembly that expands includes the second mounting panel, fixed mounting has the second to prop tight mechanism on the second mounting panel, the second props tight mechanism and is the same with the size structure of first tight mechanism that props, the second props tight mechanism and realizes the tight action that expands by the drive of second sharp lifting unit.

Preferably, the first linear lifting assembly and the second linear lifting assembly are one of an air cylinder, an oil cylinder and an electric cylinder, an external thread is arranged on a piston rod of the first linear lifting assembly, and the piston rod is in threaded connection with the lower end of the telescopic sleeve.

Preferably, four symmetrical stand columns are installed on the lower side of the second installation plate, a rectangular supporting plate is installed between the lower ends of the stand columns, and the second linear lifting assembly is fixedly installed on the upper side of the supporting plate.

Preferably, the side fixed mounting of second mounting panel has the guide bracket of L shape, the slider is installed to the upside of guide bracket, the slide rail is installed at the inner chamber top of main part support, slider and slide rail phase-match joint, the right side of main part support is equipped with the rectangular hole that runs through, four the stand runs through from the rectangular hole.

Compared with the prior art, the beneficial effects of the utility model are that: when the tool is used, the target hole of the workpiece is only approximately aligned with the fixed and movable expansion components on the tool, the workpiece guide cap is put down to guide the workpiece to slide down along the fixed and movable expansion components and fall onto the main body support, the movable expansion components can automatically and passively adjust the position according to the actual hole spacing of the workpiece, the circle center of the cylinder hole is always on the tensioning mechanism, and the repeated positioning precision is high;

the clamping block on the tightening mechanism can rotate, the profiling effect is achieved, the tightening stability and firmness are guaranteed, the cylinder body casting is tightly pressed on the tool support assembly through the component force of the downward movement of the tightening mechanism, and the tightening mechanism is designed to be rapidly replaced to adapt to different cylinder hole sizes and internal structures of the cylinder hole sizes.

Drawings

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

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is a schematic structural view of the movable expansion assembly of the present invention;

fig. 4 is the structure diagram of the fixed expansion assembly of the present invention.

In the figure: 1. a base plate; 2. a main body support; 3. a movable expansion assembly; 31. a second mounting plate; 32. a second tightening mechanism; 33. a second linear lifting assembly; 34. a support plate; 35. a column; 36. a guide bracket; 4. fixing the expansion assembly; 41. mounting a plate; 42. a first tightening mechanism; 421. a sleeve; 422. a push-pull rod; 423. a guide cap; 424. a connecting rod; 425. a support bar; 43. a first linear lift assembly; 5. a slider; 6. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cylinder body foundry goods aftertreatment frock, includes the bottom plate 1 of rectangle, and fixed mounting has main body support 2 on the bottom plate 1, and main body support 2 is shell structure, and fixed tight subassembly 4 that expands is installed in main body support 2's left side, but the right side of main body support 2 installs lateral shifting's activity tight subassembly 3 that expands, and the activity tight subassembly 3 that expands can lateral shifting be in order to be suitable for hole pitch size and the dimensional deviation in different jar holes.

Fixed tight subassembly 4 that expands includes first mounting panel 41, fixed mounting has first tight mechanism 42 that props on mounting panel 41, first tight mechanism 42 that props includes sleeve 421 and conical direction cap 423, the side of sleeve 421 is equipped with three evenly distributed's rectangular channel, the rectangular channel upwards extends to the last port of sleeve 421, the upper end of every rectangular channel articulates there is bracing piece 425, bracing piece 425's upper end articulates there is connecting rod 424, connecting rod 424's upper end is articulated with the lower extreme avris of direction cap 423, bracing piece 425 installs with the articulated department of connecting rod 424 and presss from both sides tight piece and press from both sides tight piece and can rotate the upset, it has horizontal anti-skidding stripe to distribute on arc surface and the arc surface to press from both sides the outside of tight piece, when the tight location of expanding, press from both sides the contact of tight piece and cylinder hole, press from both sides the upset that tight piece can be free in certain extent, play the effect of profile modeling, ensure to press from both sides the contact stability of tight piece and cylinder hole.

The middle part of the lower side of the guide cap 423 is fixedly provided with a cylindrical push-pull rod 422, the push-pull rod 422 penetrates through the sleeve 421 and the main body support 2, the lower end of the push-pull rod 422 is rotatably connected with a telescopic sleeve, the bottom plate 1 is provided with a first linear lifting assembly 43, the first linear lifting assembly 43 drives the push-pull rod 422 to vertically stretch to realize a push-pull action, when the first linear lifting assembly 43 extends, the guide cap 423 moves upwards, the four clamping blocks move centripetally to reduce the outline size, otherwise, the outline size is enlarged to clamp the cylinder body.

The movable expansion assembly 3 comprises a second mounting plate 31, a second expansion mechanism 32 is fixedly mounted on the second mounting plate 31, the second expansion mechanism 32 is identical to the first expansion mechanism 42 in size and structure, the second expansion mechanism 32 is driven by a second linear lifting assembly 33 to realize expansion action, the first linear lifting assembly 43 and the second linear lifting assembly 33 are cylinders, oil cylinders and electric cylinders, an external thread is arranged on a piston rod of the first linear lifting assembly 43, the piston rod is in threaded connection with the lower end of a telescopic sleeve, and the initial height of the push-pull rod 422 can be adjusted by rotating the telescopic sleeve.

The stand 35 of four symmetries is installed to the downside of second mounting panel 31, install the layer board 34 of rectangle between the lower extreme of stand 35, second straight line lifting unit 33 fixed mounting is in the upside of layer board 34, the side fixed mounting of second mounting panel 31 has the guide bracket 36 of L shape, slider 5 is installed to the upside of guide bracket 36, slide rail 6 is installed at the inner chamber top of main part support 2, slider 5 and 6 phase-match joint of slide rail, the right side of main part support 2 is equipped with the rectangular hole that runs through, four stands 35 run through from the rectangular hole.

The working principle is as follows: the target hole of the workpiece is approximately aligned with the fixed expansion assembly 4 and the movable expansion assembly 3 on the tool by a manual or automatic feeding device, the first tightening mechanism 42 and the second tightening mechanism 32 are inserted into the cylinder hole of the cylinder body, and the position of the movable expansion assembly 3 can be automatically and passively adjusted according to the actual hole distance of the workpiece. When the first linear lifting assembly 43 and the second linear lifting assembly 33 contract downwards, the clamping blocks can extend outwards to contact with the inner wall of the cylinder hole for tensioning, the clamping blocks can rotate to play a profiling effect, the tensioning capacity is improved, and the cylinder body casting is tightly pressed on the tool support assembly through the component force of downward movement of the tensioning mechanism. The tightening mechanism is designed to be quickly replaced to adapt to different cylinder hole sizes and internal structures of the cylinder holes, the cutting and polishing positions are guaranteed to be consistent with the relative positions of the tool, and the precision of the processed castings is guaranteed.

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

Claims

1. The utility model provides a cylinder body foundry goods aftertreatment frock, includes bottom plate (1) of rectangle, its characterized in that: fixed mounting has main body support (2) on bottom plate (1), main body support (2) are shell structure, fixed tight subassembly (4) that expands is installed in the left side of main body support (2), but lateral shifting's activity tight subassembly (3) that expands is installed on the right side of main body support (2), fixed tight subassembly (4) that expands includes first mounting panel (41), fixed mounting has first tight mechanism (42) that props on mounting panel (41), first tight mechanism (42) that props includes sleeve (421) and conical direction cap (423), the side of sleeve (421) is equipped with three evenly distributed's rectangular channel, and the rectangular channel upwards extends to the last port of sleeve (421), every the upper end of rectangular channel articulates there is bracing piece (425), the upper end of bracing piece (425) articulates there is connecting rod (424), the upper end of connecting rod (424) is articulated with the lower extreme avris of direction cap (423), the hinged joint of the supporting rod (425) and the connecting rod (424) is provided with a clamping block, the clamping block can rotate and turn over, the middle of the lower side of the guide cap (423) is fixedly provided with a cylindrical push-pull rod (422), the push-pull rod (422) penetrates through the sleeve (421) and the main body support (2), the lower end of the push-pull rod (422) is rotatably connected with a telescopic sleeve, the bottom plate (1) is provided with a first linear lifting assembly (43), and the first linear lifting assembly (43) drives the push-pull rod (422) to vertically stretch and retract to realize push-pull action.

2. The cylinder body casting post-processing tool according to claim 1, characterized in that: the outer side of the clamping block is an arc surface, and transverse anti-skid stripes are distributed on the arc surface.

3. The cylinder body casting aftertreatment tool according to claim 1, wherein the tool comprises: the activity subassembly (3) that expands includes second mounting panel (31), fixed mounting has the second to prop tight mechanism (32) on second mounting panel (31), the second props tight mechanism (32) and is the same with the size structure of first tight mechanism (42) of propping, the second props tight mechanism (32) and is realized the tight action that expands by second straight line lifting unit (33) drive.

4. The cylinder body casting post-processing tool according to claim 3, characterized in that: the first linear lifting assembly (43) and the second linear lifting assembly (33) are one of an air cylinder, an oil cylinder and an electric cylinder, an external thread is arranged on a piston rod of the first linear lifting assembly (43), and the piston rod is in threaded connection with the lower end of the telescopic sleeve.

5. The cylinder body casting aftertreatment tool according to claim 3, wherein the tool comprises: four symmetrical stand columns (35) are installed to the downside of second mounting panel (31), install the layer board (34) of rectangle between the lower extreme of stand column (35), second straight line lifting unit (33) fixed mounting is in the upside of layer board (34).

6. The cylinder body casting aftertreatment tool according to claim 5, wherein the tool comprises: the side fixed mounting of second mounting panel (31) has guide bracket (36) of L shape, slider (5) are installed to the upside of guide bracket (36), slide rail (6) are installed at the inner chamber top of main part support (2), slider (5) and slide rail (6) phase-match joint, the right side of main part support (2) is equipped with the rectangular hole that runs through, four stand (35) run through from the rectangular hole.