CN220498695U - Tool clamp for multi-station grinding plunger chute - Google Patents

Abstract

The utility model relates to a fixture clamp for a multi-station grinding plunger chute, which comprises a clamp bottom plate, a plurality of positioning support mechanisms arranged at the far end of the clamp bottom plate and a fastening mechanism arranged among the positioning support mechanisms, wherein the positioning support mechanisms comprise a first base and a second base arranged at one side of the first base, a flat column is arranged on the first base, a first flat position is arranged at the far end of the flat column, a positioning groove is arranged at the far end of the second base, the fastening mechanism comprises a double-head screw rod connected with the clamp bottom plate, a first pressing plate is arranged at the far end of the double-head screw rod, each positioning support mechanism can independently support one workpiece, and a plurality of workpieces can be simultaneously installed on the clamp bottom plate, so that repeated operation in the machining process is greatly reduced, and the production efficiency is improved.

Description

Tool clamp for multi-station grinding plunger chute

Technical Field

The utility model relates to the technical field of plunger core machining, in particular to a fixture clamp for grinding plunger chute in multiple stations.

Background

The plunger-piston assembly is one of key parts in a diesel engine and is called a heart of the diesel engine.

The conventional plunger matching part consists of a plunger core and a plunger sleeve, wherein a chute is required to be processed on the plunger core, and the processing precision of the chute directly influences the working performance of an engine. Because the chute is arranged on the surface of the column body, the horizontal displacement of the plunger core is limited during clamping, and the plunger core is limited to rotate around the axis, so that the clamping is difficult. In the prior art, in order to ensure the clamping and machining precision of the chute, a single-station clamp is used for clamping the workpiece, and although the method can ensure the machining precision of the chute, each workpiece is machined, the steps of stopping, dismounting, installing and positioning, tool setting, starting, grinding and the like are required to be repeated, so that the labor intensity of operators is high, a large amount of working time is wasted, and the production efficiency is low.

Disclosure of Invention

In view of the foregoing drawbacks of the prior art, an object of the present utility model is to provide a tooling fixture for grinding a plunger chute at multiple stations, which solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a frock clamp of multistation grinding plunger chute, includes the anchor clamps bottom plate, set up in a plurality of location supporting mechanism of the distal end of anchor clamps bottom plate, set up in a plurality of fastening mechanism between the location supporting mechanism, location supporting mechanism include first base, set up in the second base of first base one side, be provided with flat post on the first base, first flat has been seted up to the distal end of flat post, the constant head tank has been seted up to the distal end of second base, fastening mechanism including connecting the double-end screw of anchor clamps bottom plate, set up in the first clamp plate of double-end screw distal end.

Further, the positioning support mechanism further comprises a third base arranged along the connection direction of the first base and the second base, the second base is arranged between the first base and the third base, and a positioning column is arranged at the far end of the third base along the connection direction.

Further, a third positioning hole is further formed in the third base along the connecting direction, and a third fastening screw is further arranged at one end, far away from the second base, of the third positioning hole.

Further, a second fastening screw is further arranged on the third base at the distal end of the positioning column, and a second flat position is arranged at the distal end of the positioning column at the proximal end of the second fastening screw.

Further, a first fastening screw is arranged on an end face, far away from the second base, of the first base.

Further, the proximal ends of the two ends of the first pressing plate in the length direction are respectively provided with a pressing rod, and the proximal ends of the pressing rods are connected with pressing blocks through fourth fastening screws.

Further, a first positioning hole is vertically formed in the first base.

Further, the clamp bottom plate is further provided with a screw positioning seat, and a second threaded hole is vertically formed in the screw positioning seat.

Further, the far end of the contact part of the double-headed screw rod, the first pressing plate and the screw rod positioning seat is respectively provided with an upper water retaining cap and a lower water retaining cap.

Further, a U-shaped groove is vertically formed in the clamp bottom plate, and a plurality of first threaded holes and second positioning holes are vertically formed in a staggered mode.

Compared with the prior art, the utility model has the following beneficial technical effects:

(1) According to the fixture clamp for the multi-station grinding plunger chute, the plurality of positioning support mechanisms are arranged on the clamp bottom plate, each positioning support mechanism is provided with the fastening mechanism for fastening, each positioning support mechanism can independently support one workpiece, a plurality of workpieces can be simultaneously installed on the clamp bottom plate, repeated operation in the machining process is greatly reduced, and the production efficiency is improved.

(2) Further, the positioning support mechanism comprises a second base for supporting the workpiece, a first base for positioning the workpiece and a third base, and the far end of the support mechanism is further provided with a first pressing plate for pressing the workpiece, so that the translation and rotation of the workpiece are limited in all directions, the workpiece is stably clamped, and the processing precision of the chute is ensured.

(3) Further, the double-end screw rod passes through screw rod positioning seat connection anchor clamps bottom plate, can dismantle through fifth fastening screw between screw rod positioning seat, the anchor clamps bottom plate and be connected, because of the double-end screw rod is used for compressing tightly the work piece, need bear great power for wearing and tearing between double-end screw rod and the screw rod positioning seat are also great, set up detachable screw rod positioning seat, be convenient for change, be convenient for the maintenance of this device.

Drawings

Fig. 1 shows a schematic top view structure of a fixture for grinding a plunger chute at multiple positions in a clamped state according to an embodiment of the present utility model.

Fig. 2 shows a cross-sectional view of a tooling fixture for grinding a plunger chute at a plurality of positions provided by an embodiment of the utility model at a position a.

Fig. 3 is a schematic top view of a fixture for grinding a plunger chute at multiple positions in a loose state according to an embodiment of the present utility model.

Fig. 4 shows a partially enlarged view of a tooling fixture at B for grinding a plunger chute at multiple stations according to an embodiment of the utility model.

Fig. 5 shows a schematic front view of a plunger core clamped in a fixture for grinding a plunger chute at multiple positions according to an embodiment of the present utility model.

Fig. 6 is a schematic right-view structural diagram of a plunger core clamped in a fixture for grinding a plunger chute at multiple positions according to an embodiment of the utility model.

The reference numerals in the drawings:

1. a clamp base plate; 11. a U-shaped groove; 12. a first threaded hole; 13. a positioning pin; 131. a second positioning hole; 14. a fastening bolt; 2. positioning and supporting mechanisms; 21. a first base; 211. a first positioning hole; 212. a first fastening screw; 213. a flat column; 214. a first flat position; 22. a second base; 221. a positioning groove; 23. a third base; 231. a second fastening screw; 232. a third positioning hole; 233. a third fastening screw; 234. positioning columns; 235. a second flat position; 3. a fastening mechanism; 31. a double-ended screw; 32. a first platen; 321. a compression bar; 322. a fourth fastening screw; 323. briquetting; 33. a screw positioning seat; 331. a second threaded hole; 332. a fifth fastening screw; 34. a lower water blocking cap; 35. a water blocking cap is arranged; 4. a plunger core; 41. a flat part; 42. and a chute.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

To more clearly describe the structure of the tool fixture for multi-station grinding plunger chute, the present utility model defines terms of "distal end" and "proximal end", specifically, "distal end" means an end far away from the ground, and "proximal end" means an end close to the ground, taking fig. 2 as an example, an end of the lower water blocking cap 34 close to the upper water blocking cap 35 in fig. 2 is a distal end, and an end of the lower water blocking cap 34 close to the screw positioning seat 33 in fig. 2 is a proximal end.

Example 1

Referring to fig. 1 to 6, a fixture for grinding a plunger chute at multiple positions includes a fixture bottom plate 1, a plurality of positioning support mechanisms 2 disposed at the distal end of the fixture bottom plate 1, and a fastening mechanism 3 disposed between the positioning support mechanisms 2, wherein the positioning support mechanisms 2 include a first base 21, a second base 22 disposed at one side of the first base 21, a flat column 213 is disposed on the first base 21, a first flat 214 is disposed at the distal end of the flat column 213, a positioning groove 221 is disposed at the distal end of the second base 22, and the fastening mechanism 3 includes a double-end screw 31 connected to the fixture bottom plate 1, and a first pressing plate 32 disposed at the distal end of the double-end screw 31. Specifically, the flat portion 41 is clamped into the first flat portion 214 to enable the chute 42 to face the distal end, the positioning groove 221 is used for positioning and supporting the plunger core 4, and then the plunger core 4 is clamped by matching with the first pressing plate 32, so that clamping of the plunger core 4 is completed.

The specific structure of the third base 23 is described below:

referring to fig. 3 and 4, the positioning and supporting mechanism 2 further includes a third base 23 disposed along a connection direction of the first base 21 and the second base 22, the second base 22 is disposed between the first base 21 and the third base 23, a positioning column 234 is disposed at a distal end of the third base 23 along the connection direction, and the positioning column 234 abuts against an end of the plunger core 4 disposed at a distal end of the first base 21 and the second base 22 for positioning.

Referring to fig. 3 and 4, the third base 23 is further provided with a third positioning hole 232 along the connection direction, and a third fastening screw 233 is further disposed at one end of the third positioning hole 232 away from the second base 22. Specifically, the positioning post 234 is inserted into the third positioning hole 232, and the third positioning hole 232 is threaded to cooperate with the third fastening screw 233, the third fastening screw 233 is screwed into and abuts against the positioning post 234 from an end of the third positioning hole 232 away from the second base 22, and the abutting positioning post 234 can slide along the third positioning hole 232 by rotating the third fastening screw 233.

Referring to fig. 3 and 4, a second fastening screw 231 is further disposed on the third base 23 at the distal end of the positioning post 234, and a second flat 235 is disposed at the distal end of the positioning post 234 at the proximal end of the second fastening screw 231, and the second fastening screw 231 can abut against the second flat 235 on the side surface of the positioning post 234 to further fix the position of the positioning post 234.

The specific structure of the first chassis 21 is described below:

referring to fig. 1, a first fastening screw 212 is disposed on an end surface of the first base 21 away from the second base 22. Specifically, the head of the first fastening screw 212 abuts against the end of the plunger 4 near the end of the first base 21, further fixing the position of the plunger 4.

Referring to fig. 1 and 2, a first positioning hole 211 is vertically provided on the first base 21, and the flat column 213 is inserted into the first positioning hole 211, so as to realize quick positioning of the flat column 213.

The specific structure of the fastening mechanism 3 is described below:

referring to fig. 1 and 2, the pressing rods 321 are respectively disposed at the proximal ends of the two ends of the first pressing plate 32 along the length direction, and the pressing blocks 323 are connected to the proximal ends of the pressing rods 321 by fourth fastening screws 322. Specifically, the pressing block 323 cooperates with the second base 22 to clamp the plunger core 4, the pressing rod 321 is clamped with the first pressing plate 32, the pressing rod 321 is arranged, the pressing block 323 and the fourth fastening screw 322 are prevented from being directly connected with the abrasion pressing plate, and the subsequent maintenance cost is reduced.

Referring to fig. 2, the distal ends of the contact portions of the double-headed screw 31 with the first pressing plate 32 and the screw positioning seat 33 are respectively provided with an upper water blocking cap 35 and a lower water blocking cap 34. Specifically, the upper and lower water blocking caps 35 and 34 serve to block the chip liquid from seizing up with the chips and damaging the threads of the double-ended screw 31.

The specific structure of the jig base plate 1 is described below:

referring to fig. 1 and 2, the fixture bottom plate 1 is further provided with a screw positioning seat 33, and the screw positioning seat 33 is vertically provided with a second threaded hole 331. Specifically, the proximal end of the screw positioning seat 33 is provided with the second threaded hole 331, and the screw is screwed with the fifth fastening screw 332 to connect the screw positioning seat 33 with the fixture bottom plate 1, when the threads on the screw positioning seat 33 are damaged, only the screw positioning seat 33 needs to be replaced, the threads are prevented from being damaged when the threads are provided on the fixture bottom plate 1, and the condition that the whole fixture bottom plate 1 needs to be replaced is avoided, so that the subsequent maintenance cost is reduced.

Referring to fig. 1 and 2, the clamp bottom plate 1 is vertically provided with a U-shaped groove 11, a plurality of first threaded holes 12 and second positioning holes 131 are vertically provided in a staggered manner, the U-shaped groove 11 is convenient for the clamp bottom plate 1 to connect with a station, the first threaded holes 12 and the second positioning blocks are arranged in a staggered manner, the number of fastening bolts 14 to be screwed can be reduced on the premise of ensuring the connection strength, and the positioning pins 13 are used for replacing part of the fastening bolts 14, so that the installation is simplified.

The specific working procedure of the utility model is as follows:

the personnel screw the third fastening screw 233 according to the length of plunger core 4 to make reference column 234 slide to suitable position along third locating hole 232, screw down second fastening screw 231 and support the second flat 235 of reference column 234, press from both ends of plunger core 4 to the second flat 235 of reference column 234 respectively, with a plurality of plunger cores 4 clamping in a plurality of first bases 21, the distal end of second base 22 respectively, make the flat portion 41 card of plunger core 4 go into first flat 214, the terminal of one end of plunger core 4 supports reference column 234, screw down first fastening screw 212, until the head of first fastening screw 212 supports the terminal of one end of plunger core 4, rotate a plurality of first clamp plates 32 and make the length both ends of first clamp plates 32 revolve to the distal end of adjacent two plunger cores 4 respectively, rotate a plurality of double-ended screw rods 31 to the proximal end, make a plurality of first clamp plates 32 by double-ended screw rods 31 to the proximal end pulling and compress respectively and fix the clamping of adjacent two plunger cores 4, can begin the chute 42 processing, when dismantling plunger core 4, first clamp plate 31 is loosened first clamp plate 32, the length of first clamp plate 32 is rotated to the distal end, make the both ends of first clamp plate 32 are separated from the distal end of adjacent two plunger cores 4, the second base 4 is removed from the distal end of the second clamp plate 22, the second clamp plate is removed from the plunger core 4, the distal end of the second clamp plate is removed from the plunger core 4 was removed from the distal end of 4.

Therefore, the fixture for the multi-station grinding plunger chute is characterized in that a plurality of positioning support mechanisms 2 are arranged on the fixture bottom plate 1, each positioning support mechanism 2 is provided with a fastening mechanism 3 for fastening, each positioning support mechanism 2 can independently support one workpiece, a plurality of workpieces can be simultaneously installed on the fixture bottom plate 1, repeated operation in the machining process is greatly reduced, and the production efficiency is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A frock clamp of multistation grinding plunger chute, its characterized in that: including the anchor clamps bottom plate, set up in a plurality of location supporting mechanism of the distal end of anchor clamps bottom plate, set up in a plurality of fastening mechanism between the location supporting mechanism, location supporting mechanism include first base, set up in the second base of first base one side, be provided with flat position post on the first base, first flat position has been seted up to the distal end of flat position post, the constant head tank has been seted up to the distal end of second base, fastening mechanism including connecting the double-end screw of anchor clamps bottom plate, set up in the first clamp plate of double-end screw distal end.

2. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the positioning support mechanism further comprises a third base arranged along the connection direction of the first base and the second base, the second base is arranged between the first base and the third base, and a positioning column is arranged at the far end of the third base along the connection direction.

3. A tooling fixture for a multi-station grinding plunger chute as defined in claim 2, wherein: the third base is further provided with a third positioning hole along the connecting direction, and one end, far away from the second base, of the third positioning hole is further provided with a third fastening screw.

4. A tool holder for a multi-station grinding plunger chute as defined in claim 3, wherein: the third base at the distal end of the positioning column is further provided with a second fastening screw, and the distal end of the positioning column at the proximal end of the second fastening screw is provided with a second flat position.

5. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: a first fastening screw is arranged on one end face, far away from the second base, of the first base.

6. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the pressing rods are respectively arranged at the proximal ends of the tail ends of the two ends of the first pressing plate in the length direction, and the proximal ends of the pressing rods are connected with pressing blocks through fourth fastening screws.

7. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the first base is vertically provided with a first positioning hole.

8. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the clamp bottom plate is further provided with a screw positioning seat, and a second threaded hole is vertically formed in the screw positioning seat.

9. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the far ends of the contact parts of the double-headed screw and the first pressing plate and the screw positioning seat are respectively provided with an upper water retaining cap and a lower water retaining cap.

10. A tooling fixture for a multi-station grinding plunger chute as defined in claim 1, wherein: the fixture bottom plate is vertically provided with a U-shaped groove, and a plurality of first threaded holes and second positioning holes are vertically formed in a staggered mode.