TW201945130A - Center vise device capable of ensuring the accuracy of center positioning and convenience of fine adjustment - Google Patents

Abstract

A center vise device includes a non-adjustable vise body, wherein the vise body is connected with a first and a second jaw groups, a positioning block group and a lead screw through a guide slot and a guiding groove, respectively, wherein the first and second jaw groups, the positioning block group and the lead screw constitute an adjustable part; and through loosening two tightening screws, the adjustable part can be moved so as to adjust the center location of the vise, and then tighten to position after confirmation. The method for positioning through tightening is mainly by tightening the screws, so that two top pressing blocks of an upper positioning block press the guiding groove of the vise body upwards, while a lower positioning block presses downwards against the guide slot of the vise body; as a result, the center positioning of the vise can be easily completed, which is simple, convenient, reliable, and the accuracy of center positioning and convenience of fine adjustment can be ensured.

Description

   Center vise device   

The invention provides a technical field of a center vise, and particularly provides a center vise device technically. The center vise device includes a vise body and an adjustable part. When the tightening screw is loosened, the adjustable part can be The fine adjustment of the displacement adjusts the center accuracy. After positioning, the center screw can be locked by tightening the tightening screw.

Press, refer to the new patent case No. 104213269 "Central vise improvement structure", which is a pre-patent case previously created by the inventor and based on which the application was approved. It is generally a type of improved center vise structure, including: A vise body, the vise body is provided with a guide groove; a lead screw, the lead screw is an integrally formed rod body, the two sides of the lead screw are respectively provided with positive and counter-rotation threads, and a ring-shaped positioning protrusion is provided in the center of the lead screw. A first jaw group and a second jaw group, the first and second jaw groups are set to slide in the vise body guide groove, and the first jaw group is provided with a corresponding lead screw forward rotation thread The positive-spinning internal thread makes the first clamping jaw group produce a clamping or loosening action when the lead screw rotates, and the second clamping jaw group is provided with a counter-rotating internal thread corresponding to the counter-rotating screw of the lead screw, so that the second clamping jaw group The clamping or loosening action can be generated when the lead screw rotates, and the first and second jaw groups can produce the same clamping and loosening actions. It is characterized by a positioning block group. There is a circular positioning groove, the positioning block group consists of an upper positioning block and a lower The positioning block is combined. The lower positioning block is provided with a number of through holes, and the two sides of the upper positioning block are respectively provided with a convex block. The upper positioning block is provided with a number of screw holes. The vise body corresponds to the above positioning block group. The convex block is provided with two grooves for its buckling to be stable above the positioning block group. The vise body is provided with a number of perforations corresponding to the through holes. The number of positioning screws must pass through the perforations of the vise body and the through holes of the lower positioning block. Locking to the screw holes of the upper positioning block can fix the lower part of the positioning block group.

However, in the above-mentioned conventional case, the vise body is provided with a number of perforations corresponding to the through holes. The number of positioning screws must pass through the perforations of the vise body and the through holes of the lower positioning block. The positioning screws can be locked to the screw holes of the upper positioning block and can be fixed. Below the aforementioned positioning block group. That is, after the combined positioning of the positioning block group, the fixed position cannot be adjusted. However, it is known that the center vise device may be shifted after processing for a period of time on the working table of the processing machine. This result will cause subsequent processing of the finished product. Problems with inaccuracy or defective products. However, the problems of the previous case can be easily eliminated through the present invention.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical is eagerly awaited by consumers, and it is also the goal and direction for relevant industry players to work hard to make breakthroughs.

In view of this, the inventor has been engaged in the manufacturing, development and design of related products for many years. In view of the above-mentioned goals, after detailed design and careful evaluation, the present invention has indeed been practical.

The main object of the present invention is to provide a central vise device, which comprises a vise body and an adjustable part. By loosening the tightening screw, the adjustable part can be fine-tuned to adjust the center accuracy by displacement, and locked after positioning. Tighten the screws to complete the center locator of the vise.

In order to achieve the above object, the present invention provides a central vise device, comprising: a vise body, the vise body is respectively connected with the first and second jaw groups, the positioning block group by a guide groove and a guide groove, and Lead screw, in which the first and second jaw groups, positioning block group and lead screw constitute an adjustable part; the main two tightening screws are loosened, and the adjustable part can be fine-adjusted to adjust the center position to ensure alignment center accuracy and fine-tuning Convenience of adjustment; two tightening screws tighten the upper positioning block and the two top convex blocks against the vise body guide groove upwards, and the lower positioning block downwards against the vise body guide groove, completing the vise body and the The locator of the transfer department.

Regarding the technology, means and effects adopted by the present invention, a preferred embodiment will be described in detail with reference to the drawings. It is believed that the above-mentioned objects, structures, and characteristics of the present invention can be understood thoroughly and in detail. .

20‧‧‧ Lead screw

21‧‧‧ forward screw

22‧‧‧ Counter-thread

23‧‧‧ annular positioning protrusion

24‧‧‧ Tool Set Post

25‧‧‧Tool sleeve post

30‧‧‧The first jaw group

31‧‧‧Internal thread

40‧‧‧The second jaw group

41‧‧‧ Counter-spin female

50‧‧‧ positioning block group

51‧‧‧Circular positioning groove

60‧‧‧Upper positioning block

61‧‧‧Screw holes

62‧‧‧ Top forcing bump

70‧‧‧ lower positioning block

71‧‧‧ press against the recess

80‧‧‧Tightening screws

A‧‧‧Vise body

A1‧‧‧Guide

A2‧‧‧Guide groove

B‧‧‧ adjustable part

The first diagram is a schematic perspective view of an embodiment of the present invention.

The second figure is a schematic three-dimensional exploded view of one embodiment of the present invention.

The third figure is a schematic three-dimensional exploded view of a bottom view of an embodiment of the present invention.

The fourth figure is a sectional view of the fine-tuning state of the adjustable part of an embodiment of the present invention.

The fifth figure is a sectional side view of the positioning state of the adjustable part according to an embodiment of the present invention.

The invention provides a designer of a central vise device.

In order to allow your reviewers to further understand and understand the purpose, features, and effects of the present invention, the embodiments and the drawings are described in detail below. Referring to the first to fifth figures, the present invention provides a central tiger The vise device includes a non-movable vise body (A), the vise body (A) is provided with a guide groove (A1), a lead screw 20, and the lead screw 20 is an integrally formed rod body. The two sides of the screw 20 are respectively provided with forward and reverse rotation threads 21 and 22, and a ring-shaped positioning convex portion 23 is provided in the center of the lead screw 20; a first jaw group 30 and a second jaw group 40. The two jaw groups 30 and 40 are set to slide in the guide groove (A1) of the vise body (A), and the first jaw group 30 is provided with a normal screw internal thread 31 corresponding to the normal screw thread 21 of the lead screw 20 , So that the first jaw group 30 can be clamped or loosened when the lead screw 20 rotates, and the second jaw group 40 is provided with a counter-rotation internal thread 41 corresponding to the counter-thread 22 of the lead screw 20 so that the aforementioned The second jaw group 40 must be clamped or loosened when the lead screw 20 rotates, and the first and second jaw groups 30 can be made. 40, 40 can produce the same time when clamped, loose when the same motion; characterized in that: the first and second jaw groups 30, 40, a positioning block group 50 and the lead screw 20 constitute an adjustable part (B) The positioning block group 50 is provided with a ring-shaped positioning groove 51 to buckle the ring-shaped positioning projection 23. The positioning block group 50 is composed of an upper positioning block 60 and a lower positioning block 70. The lower positioning block 70 is provided. The two through recesses 71 are not penetrated. The upper positioning block 60 is provided with a protruding protrusion 62 at the lower sides of the upper positioning block 60 respectively. The upper positioning block 60 is provided with two screw holes 61 corresponding to the foregoing depression recess 71 and the vise body. (A) Guide grooves (A2) are provided on both sides of the guide groove (A1), and the two top pushing projections 62 of the upper positioning block 60 are embedded in the guide groove (A2); two tightening screws 80, The two tightening screws 80 are respectively locked in the two screw holes 61, and the two pressing recessed holes 71 are penetrated to push the two tightening screws 80 (as shown in the fifth figure). The two top pressing projections 62 of the positioning block 60 are pressed against the guide groove (A2) upwards, and the lower positioning block 70 is pressed against the guide groove (A2) downwards to complete the positioning of the adjustable part (B). The aforementioned two tightening screws 80 (as shown in the fourth figure), the aforementioned adjustable part (B) can be adjusted with its rubber hammer and precision gauge to adjust the center position to ensure the accuracy of the center accuracy and its fine-tuning adjustment. Convenience.

In the center vise device, the tightening screw 80 adjusts the tightening distance range so as to prevent the annular positioning protrusion 23 from leaving the annular positioning groove 51.

In the center vise device, the two ends of the lead screw 20 must be provided as tool sleeve connecting rods 24 and 25.

In summary, the former reason for inventing the present invention is that the center position of the conventional center vise equipment may be shifted after processing on the work table for a period of time, causing problems such as inaccuracy. In the known central vise, the positioning block group is fixed and cannot be adjusted after positioning. However, in the present invention, as long as the tightening screw 80 is loosened, the adjustment of the adjustable portion (B) can be performed. After the adjustment, the tightening screw 80 is locked to complete the positioning of the adjustable portion (B). Therefore, the displacement of the center position of the known center vise causes a problem of inaccuracy, which can be easily eliminated through the present invention.

From the above, it can be known that the central vise device of the present invention is indeed the first in the industry to meet the novelty requirements of the invention patent, and its comprehensive innovative design meets the progressive requirements of the invention patent, and it includes the vice body And the adjustable part, and when the tightening screw is loosened, the adjustable part can fine-tune the adjustment center accuracy, and the tightening screw is locked to complete the positioning of the adjustable part, which is in line with better industrial applicability.

The foregoing is a detailed description of the technical features of the present invention with reference to a preferred embodiment of the present invention; however, those skilled in the art can make changes and modifications to the present invention without departing from the spirit and principles of the present invention, and the Such changes and modifications shall all be covered by the scope defined by the scope of patent application below.

In summary, the present invention provides a central vise device that has indeed achieved all the objectives of the present invention. In addition, the space type of its combined structure has not been seen in similar products, nor has it been disclosed before the application, and has met the patent law. Provisions were made to apply in accordance with the law.

Claims (3)

    A central vise device includes a non-adjustable vise body, the vise body is provided with a guide groove, a lead screw, the lead screw is an integrally formed rod body, and two sides of the lead screw are respectively provided with a positive and a reverse. Screw thread, a ring-shaped positioning protrusion is provided in the center of the lead screw; a first jaw group and a second jaw group; the first and second jaw groups are slid in the guide groove of the vise body, The first jaw group is provided with a positive-screw internal thread corresponding to the normal screw thread of the lead screw, so that the first jaw group can be clamped or loosened when the lead screw is rotated, and the second jaw group is provided with The counter-rotation internal thread corresponding to the counter-rotation screw of the lead screw enables the second jaw group to produce a clamping or loosening action when the lead screw rotates, and enables the first and second jaw groups to generate the same time clamp. The movement is the same when loose; it is characterized in that: the first and second jaw groups, a positioning block group and the lead screw constitute an adjustable part, and the positioning block group is provided with an annular positioning groove to buckle the ring Positioning protrusion, the positioning block group is positioned by one It is combined with a lower positioning block. The lower positioning block is provided with two through-holes that are not penetrated. The upper positioning block is respectively provided with a pressing protrusion on both sides below the upper positioning block. The upper positioning block is provided with two corresponding depression holes. A screw hole, a guide groove is provided on both sides of the guide groove of the vise body, and the two top pushing projections of the upper positioning block are embedded in the guide groove; two tightening screws, and the two tightening screws are locked respectively The two screw holes are inserted into the two pressing recesses, and the two adjustable screws are loosened to adjust the center of the adjustable portion; the two pressing screws are locked, and the upper positioning blocks are two pressing projections. The guide groove is pressed upward, and at the same time, the lower positioning block is pressed downward against the guide groove to complete the positioning of the adjustable portion.         According to the center vise device described in item 1 of the scope of the patent application, the tightening screw adjusts the tightening distance range so as not to cause the annular positioning protrusion to escape from the annular positioning groove.         The central vise device as described in the first item of the patent application scope, wherein the two ends of the aforementioned lead screw can be set as tool sleeve connecting rods.