Positioning jig for precision mold

Abstract

The utility model relates to the technical field of positioning jigs, in particular to a positioning jig for a precision die, which comprises a lower die, a jig plate is arranged on the lower die, a positioning plate is inserted on the jig plate, a forming groove and a bearing are arranged on the lower die, a part to be stamped is arranged in the forming groove, a screw is sleeved in a fixing hole of the bearing, and the jig plate is in threaded connection with the screw. The jig plate is provided with an insertion groove, the insertion groove is connected with the positioning plate in an inserted mode, and a locking column is connected to the jig plate in a sliding mode. According to the positioning jig for the stamping type precision die, the vertical elastic magnetic attraction locking and clamping structures are arranged on the jig plate and the positioning plate, the worn positioning plate can be conveniently detached and replaced, the convenience in replacement of the positioning plate on the positioning jig for the stamping type precision die is improved, the damping layer structure with the oil-resistant protrusions is arranged on the side wall of the screw cap, and the service life of the damping layer structure is prolonged. And the slipping phenomenon occurring when the screw cap is rotated is avoided, and the stability of pressing the to-be-stamped part by the positioning plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning jig technical field, concretely is a kind of positioning jig for precision mould. BACKGROUND

[0002] Precision mould is a kind of tool for manufacturing high-precision parts or products, and precision mould is divided into many kinds, among them, stamping precision mould is one of them.

[0003] When stamping precision mould is used, the part to be punched is generally positioned on the lower mould by positioning jig, and then the upper mould is driven by the punching cylinder to vertically punch and form the part to be punched.

[0004] At present, the positioning jig for the existing stamping precision mould, the positioning plate is easy to wear after long time use, and needs to be replaced, but the positioning plate on the existing positioning jig for the stamping precision mould is mostly inconvenient to replace, which reduces the replacement convenience of the positioning plate on the positioning jig for the stamping precision mould, and the positioning plate on the existing positioning jig for the stamping precision mould needs to rotate the screw cap when positioning and clamping the part to be punched, since the operator's hands are oily, the screw cap will slip when rotating, in addition, the stability of the positioning plate pressing the part to be punched is low.

[0005] The above problems are common, and need to be improved. CONTENT OF UTILITY MODEL

[0006] The utility model aims at providing a positioning jig for precision mould to solve the problems of inconvenient replacement of positioning plate on the positioning jig for stamping precision mould, easy slipping of rotating screw cap and low stability of positioning plate pressing part to be punched.

[0007] To achieve the above object, the utility model provides the following technical scheme: a positioning jig for precision mould, comprising a lower mould, a jig plate is arranged on the lower mould, a positioning plate is inserted on the jig plate, a forming groove and a bearing are arranged on the lower mould, a part to be punched is arranged in the forming groove, and a screw is sleeved in the fixing hole of the bearing.

[0008] Preferably, the jig plate is threadedly connected with the screw, a slot is formed in the jig plate, the slot and the positioning plate are inserted, a locking column is slidably connected with the jig plate, and a locking groove is arranged on the positioning plate.

[0009] Preferably, a cap ring is arranged on the locking column, and a spring is arranged between the cap ring and the jig plate.

[0010] Preferably, a magnetic block is arranged on the cap ring.

[0011] Preferably, the outer side wall of the screw is provided with a damping layer, and the outer wall of the damping layer is provided with oil-resistant protrusions, the cross section of the oil-resistant protrusions is semicircular structure and is circumferentially arranged forty.

[0012] Preferably, the insertion slot and the positioning plate are rectangular in cross section.

[0013] Preferably, the lower end of the jig plate is provided with a first anti-loosening layer, and the lower end of the positioning plate is provided with a second anti-loosening layer.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The vertical elastic magnetic locking and clamping structure arranged on the jig plate and the positioning plate can conveniently disassemble and replace the worn positioning plate, and the convenient replaceability of the positioning plate on the positioning jig of the stamping precision mold is improved.

[0016] The damping layer structure with oil-resistant protrusions arranged on the side wall of the screw cap avoids the slipping phenomenon when rotating the screw cap.

[0017] 3. The utility model discloses a first anti-loosening layer arranged on the jig plate and a second anti-loosening layer arranged on the positioning plate, which improves the stability of the positioning plate pressing the stamping part. DRAWINGS

[0018] Figure 1 It is the elevation view of the lower mold and the positioning plate structure of the utility model;

[0019] Figure 2 It is the utility model's Figure 1 The enlarged view of A;

[0020] Figure 3 It is the planar view schematic diagram of the lower mold and the positioning plate of the utility model;

[0021] Figure 4 It is the utility model's Figure 3 The enlarged view of B.

[0022] In the drawing: 1 lower mold, 11 forming groove, 12 stamping part, 2 bearing, 21 screw, 3 screw cap, 31 damping layer, 32 oil-resistant protrusion, 4 jig plate, 41 insertion slot, 42 first anti-loosening layer, 5 positioning plate, 51 locking groove, 52 second anti-loosening layer, 6 locking column, 61 spring, 7 column cap ring, 71 magnetic block. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiments

[0024] Please refer to Figures 1 to 4 , a positioning jig for a precision mold, comprising a lower mold 1, the lower mold 1 is provided with a jig plate 4, the jig plate 4 is provided with a positioning plate 5, the lower mold 1 is provided with a forming groove 11 and a bearing 2, the forming groove 11 is provided with a to-be-stamped part 12, the fixed hole of the bearing 2 is provided with a screw rod 21, after the to-be-stamped part 12 is pressed and positioned, the upper mold is pressed downward to the to-be-stamped part 12, the middle part of the to-be-stamped part 12 is pressed and bent into the forming groove 11, and the precision stamping forming is realized.

[0025] The jig plate 4 is in threaded connection with the screw rod 21, the jig plate 4 is provided with an insertion slot 41, the insertion slot 41 is in insertion connection with the positioning plate 5, the jig plate 4 is slidably connected with a locking column 6, the positioning plate 5 is provided with a locking groove 51, the lower end of the locking column 6 is provided with a forty-five-degree chamfer, and the locking column 6 is further conveniently clamped into the locking groove 51.

[0026] The locking column 6 is provided with a cap ring 7, the cap ring 7 and the jig plate 4 are provided with a spring 61, the cap ring 7 is provided with a hook ring, and the fingers are conveniently hooked.

[0027] The cap ring 7 is provided with a magnetic block 71, the magnetic block 71 is made of neodymium iron boron alloy material, when the locking column 6 is clamped into the locking groove 51, the magnetic block 71 is stably magnetically adsorbed with the jig plate 4 made of metal material, and the clamping stability of the locking column 6 is further improved.

[0028] The outer wall of the screw rod 21 is provided with a damping layer 31, the outer wall of the damping layer 31 is provided with an oil-resistant protrusion 32, the cross section of the oil-resistant protrusion 32 is a semicircular structure and is circumferentially arranged forty, the damping layer 31 and the oil-resistant protrusion 32 are made of damping silica gel material, have damping and oil-resistant friction effect, and have a certain elasticity, the damping friction anti-skid property is improved after the fingers are held, and the phenomenon of slipping when the screw rod cap 3 is rotated is avoided.

[0029] The insertion slot 41 and the positioning plate 5 are in insertion connection, and the insertion slot 41 and the positioning plate 5 are in insertion connection, and the insertion slot 41 and the positioning plate 5 are in insertion connection.

[0030] The lower end of the fixture plate 4 is provided with a first anti-loosening layer 42, and the lower end of the positioning plate 5 is provided with a second anti-loosening layer 52. Both the first anti-loosening layer 42 and the second anti-loosening layer 52 are polyurethane rubber pads with high elasticity.

[0031] First, place the part to be stamped 12 in the forming groove 11. Then, hold the positioning plate 5 and rotate the screw cap 3 counterclockwise to drive the screw 21 to rotate counterclockwise. Through the threaded transmission, the positioning plate 5 moves downward until the lower end face of the second anti-loosening layer 52 is pressed into contact with the upper end face of the part to be stamped 12. At the same time, the first anti-loosening layer 42 is also in a state of pressing contact with the upper end face of the lower die 1. At this time, the first anti-loosening layer 42 and the second anti-loosening layer 52 will generate a vertical rebound force at the same time. This vertical rebound force can prevent the screw 21 from rotating on its own and improve the stability of the positioning plate 5 pressing the part to be stamped 12.

[0032] In this implementation scheme, for example, after prolonged use, if the second anti-loosening layer 52 at the lower end of the left positioning plate 5 becomes worn or even worn away, requiring replacement, one hand can hold the left positioning plate 5, and the fingers of the other hand can hook into the post cap ring 7 and pull upwards, causing the locking post 6 to move upwards and out of the locking groove 51. At this time, the spring 61 will stretch and deform. Then, move the positioning plate 5 to the right and out of the slot 41, making it easy to remove the worn positioning plate 5 on the left.

[0033] Next, take a positioning plate 5 with a new second anti-loosening layer 52 and insert it into the slot 41. Then, loosen the post cap ring 7, and the spring 61 will pull downwards, causing the locking post 6 to quickly snap into the locking groove 51. This allows for quick snap-fit ​​installation and replacement of the new positioning plate 5.

[0034] The above operation allows for easy disassembly and replacement of the worn positioning plate 5, improving the ease of replacement of the positioning plate 5 on the positioning fixture used for stamping precision molds.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning jig for a precision mold, characterized by, Include: Lower die (1), the jig plate (4) is equipped on the lower die (1), the positioning plate (5) is inserted on the jig plate (4), the lower die (1) is equipped with forming groove (11) and bearing (2), the forming groove (11) is equipped with the part (12) to be punched in, the fixed hole of bearing (2) is equipped with screw rod (21).

2. The positioning fixture for precision mold according to claim 1, wherein: The jig plate (4) is connected with screw rod (21) threadedly, the insertion slot (41) is set up on the jig plate (4), the insertion slot (41) and positioning plate (5) are inserted, the locking post (6) is slidably connected on the jig plate (4), the locking groove (51) is equipped on the positioning plate (5).

3. The positioning fixture for precision mold according to claim 2, wherein: The locking post (6) is equipped with post cap ring (7), and the spring (61) is equipped between the post cap ring (7) and the jig plate (4).

4. The positioning fixture for precision mold according to claim 3, wherein: The post cap ring (7) is equipped with magnetic block (71).

5. The positioning fixture for precision mold according to claim 1, wherein: The outer side wall of screw rod (21) is provided with damping layer (31), the outer wall of damping layer (31) is provided with oil-resistant convex (32), the cross section of oil-resistant convex (32) is semicircular structure and is circumferentially arranged forty.

6. The positioning fixture for precision mold according to claim 2, wherein: The insertion slot (41) and the insertion side section of positioning plate (5) are rectangular structure.

7. The positioning fixture for precision mold according to claim 1, wherein: The lower end of jig plate (4) is equipped with first anti-loosening layer (42), and the lower end of positioning plate (5) is equipped with second anti-loosening layer (52).

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